What are the cheapest airlines flying from Boston to Washington, D.C. round-trip?

Spirit Airlines, at $75, was found to be the cheapest airline from Boston to Washington, D.C..Alternate airlines to your destination round-trip include United Airlines and Frontier. Spirit Airlines is 59% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Boston to Washington, D.C. one-way?

One-way options have recently been found by users for as low as $46 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $78 and United Airlines from $79 one-way.

What are the most popular routes from Boston to Washington, D.C.?

The most popular flight routes from Boston to Washington, D.C. are Boston Logan Intl - Washington, D.C. Reagan-National, Boston Logan Intl - Baltimore/Washington and Boston Logan Intl - Washington, D.C. Dulles Intl.

What are the cheapest flights from Boston to Washington, D.C.?

On average you can expect to pay $932 for a flight from Boston to Washington, D.C.. The cheapest flight overall is $113 while the most popular route, (Boston Logan Intl - Washington, D.C. Reagan-National) is currently priced at $157.

What are the most reliable airlines from Boston to Washington, D.C.?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Washington, D.C. on time: Egyptair (100%), Air China (100%), Ethiopian Air (98%).

What are the most popular airlines that fly from Boston to Washington, D.C.?

Consider JetBlue, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Boston to Washington, D.C..

What is the cheapest day to fly round-trip from Boston to Washington, D.C.?

Flights from Boston to Washington, D.C. are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

How far in advance should I book a flight from Boston to Washington, D.C.?

Travelers have found it’s best to book a flight 37 days in advance to save up to 88% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 37 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Boston to Washington, D.C. 1-2 weeks in advance for as low as $181, or $344 for flights within the next 24 hours.

What is the cheapest month to fly from Boston to Washington, D.C.?

Flights from Boston to Washington, D.C. lean towards being more expensive in April. Prices are generally better when you fly from Boston to Washington, D.C. in January, with the cheapest ticket starting at $66.

Most accurate provider : When it comes to deals on Boston-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boston-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Boston to Washington, D.C.?

Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Logan Intl; the airport handles an average of 59 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Boston airport to Washington, D.C.. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

Can I find deals for flights from Boston to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Boston to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Boston to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Washington, D.C..

Can I find deals for business class flights from Boston to Washington, D.C.?

Yes. Cheapflights offers flight deals from Boston to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$46+ Flights from Boston to Washington, D.C.

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in January or August, booked 89 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Boston to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$75 (Cheapflightsfares)
One-way from	$46 (Priceline)
Popular in	April
Cheapest in	January
Average price	$233
Good round-trip deal	$144 or less
Good one-way deal	$93 or less

Provider with most accurate pricing for Boston Logan Intl-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boston Logan Intl-Washington, D.C. (WAS) flights.

Search Deals

From Boston Logan Intl to Washington, D.C. (WAS)

Search Deals

One-way flight from Boston Logan Intl to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($13 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Boston Logan Intl to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Boston Logan Intl to Washington, D.C. (WAS).

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Find flight deals from Boston to Washington, D.C.

Cheapest flights from Boston to Washington, D.C.
Explore the most affordable flight options available from Boston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Tue 5/206:00 amBOS - BWI

Nonstop1h 31mSpirit Airlines

Wed 5/219:30 pmBWI - BOS

Nonstop1h 26mSpirit Airlines

Deal found 4/24

$75

Wed 5/219:30 amBOS - IAD

Nonstop1h 41mUnited Airlines

Tue 5/2710:18 pmIAD - BOS

Nonstop1h 41mUnited Airlines

Deal found 4/25

$137

Wed 5/148:00 amBOS - BWI

1 stop7h 35mMultiple Airlines

Wed 5/219:30 pmBWI - BOS

Nonstop1h 26mMultiple Airlines

Deal found 4/25

$141

Fri 9/127:40 amBOS - DCA

Nonstop1h 49mAmerican Airlines

Sun 9/146:30 amDCA - BOS

Nonstop1h 35mAmerican Airlines

Deal found 4/25

$157

Thu 5/156:00 amBOS - IAD

1 stop10h 36mFrontier

Sun 5/185:26 pmIAD - BOS

1 stop7h 39mFrontier

Deal found 4/24

$160

Sat 5/245:50 pmBOS - DCA

Nonstop1h 54mDelta

Sun 5/258:29 amDCA - BOS

Nonstop1h 43mDelta

Deal found 4/25

$161

Sat 7/55:25 pmBOS - BWI

Nonstop1h 54mDelta

Wed 7/99:25 amBWI - BOS

Nonstop1h 37mDelta

Deal found 4/25

$161

Thu 5/156:00 amBOS - BWI

1 stop13h 16mFrontier

Sun 5/181:03 pmBWI - BOS

1 stop20h 31mFrontier

Deal found 4/24

$164

Sun 5/257:35 amBOS - DCA

Nonstop1h 45mJetBlue

Sat 5/314:15 pmDCA - BOS

Nonstop1h 37mJetBlue

Deal found 4/24

$170

Thu 6/511:31 amBOS - IAD

1 stop8h 54mAllegiant Air

Mon 6/93:13 pmIAD - BOS

1 stop18h 04mAllegiant Air

Deal found 4/24

$186

Sun 6/156:05 amBOS - DCA

1 stop4h 22mUnited Airlines

Thu 6/197:00 amDCA - BOS

1 stop6h 28mUnited Airlines

Deal found 4/25

$200

Wed 7/96:26 pmBOS - BWI

1 stop5h 32mAmerican Airlines

Sun 7/135:00 amBWI - BOS

1 stop4h 48mAmerican Airlines

Deal found 4/25

$217

Best flights from Boston to Washington, D.C.
Discover carefully curated flight deals from Boston to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2025.

Tue 5/206:00 amBOS - BWI

Nonstop1h 31mSpirit Airlines

Wed 5/219:30 pmBWI - BOS

Nonstop1h 26mSpirit Airlines

Deal found 4/24

$75

Wed 5/219:30 amBOS - IAD

Nonstop1h 41mUnited Airlines

Tue 5/2710:18 pmIAD - BOS

Nonstop1h 41mUnited Airlines

Deal found 4/25

$137

Wed 5/148:00 amBOS - BWI

1 stop7h 35mMultiple Airlines

Wed 5/219:30 pmBWI - BOS

Nonstop1h 26mMultiple Airlines

Deal found 4/25

$141

Thu 5/156:00 amBOS - IAD

1 stop10h 36mFrontier

Sun 5/185:26 pmIAD - BOS

1 stop7h 39mFrontier

Deal found 4/24

$160

Sat 5/245:50 pmBOS - DCA

Nonstop1h 54mDelta

Sun 5/258:29 amDCA - BOS

Nonstop1h 43mDelta

Deal found 4/25

$161

Thu 5/226:19 amBOS - DCA

Nonstop1h 41mJetBlue

Sun 5/257:00 amDCA - BOS

Nonstop1h 32mJetBlue

Deal found 4/24

$164

Wed 5/285:59 amBOS - DCA

Nonstop1h 45mAmerican Airlines

Sat 5/313:50 pmDCA - BOS

Nonstop1h 35mAmerican Airlines

Deal found 4/24

$168

Thu 6/511:31 amBOS - IAD

1 stop8h 54mAllegiant Air

Mon 6/93:13 pmIAD - BOS

1 stop18h 04mAllegiant Air

Deal found 4/24

$186

Tue 5/205:35 amBOS - DCA

2 stops7h 05mSouthwest

Wed 5/211:10 pmDCA - BOS

2 stops8h 35mSouthwest

Deal found 4/24

$313

Thu 5/156:00 amBOS - BWI

1 stop13h 16mFrontier

Sun 5/181:03 pmBWI - BOS

1 stop20h 31mFrontier

Deal found 4/24

$164

Fri 5/166:40 amBOS - BWI

Nonstop1h 40mDelta

Mon 5/197:50 pmBWI - BOS

Nonstop1h 35mDelta

Deal found 4/25

$187

Sun 6/156:05 amBOS - DCA

1 stop4h 22mUnited Airlines

Thu 6/197:00 amDCA - BOS

1 stop6h 28mUnited Airlines

Deal found 4/25

$200

Last-minute flights from Boston to Washington, D.C.
Discover last-minute flight deals from Boston to Washington, D.C.. Data last updated April 25, 2025 and is based on user searches.

Wed 4/3012:10 pmBOS - BWI

Nonstop1h 40mDelta

Fri 5/22:35 pmBWI - BOS

Nonstop1h 36mDelta

Deal found 4/23

$331

Fri 5/25:06 amBOS - BWI

1 stop12h 27mMultiple Airlines

Mon 5/129:21 pmBWI - BOS

1 stop27h 23mMultiple Airlines

Deal found 4/25

$184

Sat 5/39:04 pmBOS - BWI

1 stop13h 31mSpirit Airlines

Tue 5/67:40 pmBWI - BOS

1 stop13h 29mSpirit Airlines

Deal found 4/24

$139

Sat 5/39:40 amBOS - IAD

1 stop6h 54mFrontier

Sun 5/115:26 pmIAD - BOS

1 stop7h 39mFrontier

Deal found 4/25

$187

Sat 5/39:40 amBOS - BWI

1 stop6h 59mFrontier

Mon 5/129:21 pmBWI - BOS

1 stop27h 23mFrontier

Deal found 4/25

$188

Sat 5/310:10 amBOS - DCA

Nonstop1h 49mAmerican Airlines

Sun 5/1112:43 pmDCA - BOS

1 stop4h 58mAmerican Airlines

Deal found 4/25

$268

Mon 5/59:30 amBOS - IAD

Nonstop1h 41mUnited Airlines

Sat 5/105:50 pmIAD - BOS

Nonstop1h 42mUnited Airlines

Deal found 4/25

$223

Mon 5/54:17 pmBOS - DCA

Nonstop1h 43mJetBlue

Sat 5/103:15 pmDCA - BOS

Nonstop1h 38mJetBlue

Deal found 4/25

$223

Mon 5/511:07 amBOS - DCA

1 stop6h 48mUnited Airlines

Sat 5/106:00 amDCA - BOS

1 stop4h 10mUnited Airlines

Deal found 4/25

$243

Mon 5/55:50 pmBOS - DCA

Nonstop2h 01mDelta

Fri 5/96:05 amDCA - BOS

1 stop5h 45mDelta

Deal found 4/24

$253

Mon 5/56:00 amBOS - IAD

1 stop7h 01mDelta

Sat 5/106:17 pmIAD - BOS

1 stop4h 39mDelta

Deal found 4/25

$263

Mon 5/56:36 pmBOS - IAD

1 stop5h 26mAmerican Airlines

Fri 5/95:26 pmIAD - BOS

1 stop5h 14mAmerican Airlines

Deal found 4/24

$278

One-way flights from Boston to Washington, D.C.
Search for one-way flight options from Boston to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated April 25, 2025.

Wed 6/116:00 amBOS - BWI

Nonstop1h 31mSpirit Airlines

Deal found 4/25

$46

Wed 5/218:00 amBOS - BWI

1 stop6h 55mFrontier

Deal found 4/24

$78

Tue 5/205:30 amBOS - IAD

Nonstop1h 41mUnited Airlines

Deal found 4/25

$79

Sun 5/256:19 amBOS - DCA

Nonstop1h 41mJetBlue

Deal found 4/25

$81

Thu 6/1211:31 amBOS - IAD

1 stop8h 54mAllegiant Air

Deal found 4/25

$82

Mon 5/196:00 amBOS - IAD

1 stop10h 36mFrontier

Deal found 4/25

$86

Mon 5/199:45 pmBOS - BWI

Nonstop1h 35mSouthwest

Deal found 4/24

$89

Fri 5/306:10 amBOS - DCA

Nonstop1h 50mDelta

Deal found 4/25

$90

Sun 5/256:00 amBOS - DCA

1 stop4h 27mUnited Airlines

Deal found 4/24

$91

Mon 5/265:00 amBOS - BWI

1 stop4h 56mAmerican Airlines

Deal found 4/25

$99

Wed 5/282:25 pmBOS - IAD

3 stops21h 01mMultiple Airlines

Deal found 4/25

$105

Sun 5/119:10 amBOS - DCA

Nonstop1h 44mAmerican Airlines

Deal found 4/24

$113

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Tue 5/20

6:00 am-7:31 am

Nonstop1h 31m

Baltimore/Washington

Wed 5/21

9:30 pm-10:56 pm

Nonstop1h 26m

$75

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 5/21

9:30 am-11:11 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Tue 5/27

10:18 pm-11:59 pm

Nonstop1h 41m

$137

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Wed 5/14

8:00 am-3:35 pm

1 stop7h 35m

Baltimore/Washington

Wed 5/21

9:30 pm-10:56 pm

Nonstop1h 26m

$141

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 5/15

6:00 am-4:36 pm

1 stop10h 36m

Washington, D.C. Dulles Intl

Sun 5/18

5:26 pm-1:05 am

1 stop7h 39m

$160

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 5/24

5:50 pm-7:44 pm

Nonstop1h 54m

Washington, D.C. Reagan-National

Sun 5/25

8:29 am-10:12 am

Nonstop1h 43m

$161

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Sat 7/5

5:25 pm-7:19 pm

Nonstop1h 54m

Baltimore/Washington

Wed 7/9

9:25 am-11:02 am

Nonstop1h 37m

$161

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 5/22

6:19 am-8:00 am

Nonstop1h 41m

Washington, D.C. Reagan-National

Sun 5/25

7:00 am-8:32 am

Nonstop1h 32m

$164

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Thu 5/15

6:00 am-7:16 pm

1 stop13h 16m

Baltimore/Washington

Sun 5/18

1:03 pm-9:34 am

1 stop20h 31m

$164

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 5/28

5:59 am-7:44 am

Nonstop1h 45m

Washington, D.C. Reagan-National

Sat 5/31

3:50 pm-5:25 pm

Nonstop1h 35m

$168

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 6/5

11:31 am-8:25 pm

1 stop8h 54m

Washington, D.C. Dulles Intl

Mon 6/9

3:13 pm-9:17 am

1 stop18h 04m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 39 results

Compare providers for flights from Boston to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Washington, D.C. in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Justfly.com	Price Accuracy3 stars	Trust Score*2 stars
Flightnetwork	Price Accuracy-	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust Score*2 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Boston-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Boston-Washington, D.C. flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Boston to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Washington, D.C. trip

Airlines

Ethiopian Air

Ethiopian Airlines offers generous award availability in premium cabins via Star Alliance partners.

Ethiopian Airlines' Economy Class features a 32-inch pitch and personal entertainment monitors.

Read more about Ethiopian Airby Paul Rubio

United Airlines

United Airlines' Economy Plus offers extra legroom seats towards the front of the cabin.

United's Basic Economy allows a personal item only; no carry-on bags are permitted.

Read more about United Airlinesby Harriet Baskas

Airports

BOS

Use the FlyLogan App to pre-order food and save time at BOS. Most restaurants participate, making it a convenient option.

IAD

The Silver Line Metro connects IAD to Washington, D.C. in under 40 minutes, offering a cost-effective travel option.

Our travel experts

Paul Rubio

Expert on Ethiopian Air and BOS

Harriet Baskas

Expert on United Airlines

Ramsey Qubein

Expert on IAD

Best time to book a flight from Boston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Boston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Washington, D.C.

How far ahead should I book a flight from Boston to Washington, D.C.?

The best time to book flights from Boston to Washington, D.C. is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of $309). Flying from Boston to Washington, D.C. in June is currently the most expensive (average of $383). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to WAS?

One of the essential ways to save on airfare from Boston to Washington, D.C. is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 14% on airfare.

What is the cheapest day to fly from Boston to Washington, D.C.?

Travelers seeking maximum savings on their Boston to Washington, D.C. flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Washington, D.C.

The most flights from BOS to WAS are scheduled on a Thursday (81 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Boston to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,927 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,289 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

JetBlue

7.3

Good

2,922 reviews

Alaska Airlines

8.0

Very good

9,927 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airport do you fly from for flights from Boston to Washington, D.C.?
Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Logan Intl; the airport handles an average of 59 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Boston airport to Washington, D.C.. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.
What are the cheapest airlines flying from Boston to Washington, D.C. round-trip?
Spirit Airlines, at $75, was found to be the cheapest airline from Boston to Washington, D.C..Alternate airlines to your destination round-trip include United Airlines and Frontier. Spirit Airlines is 59% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Boston to Washington, D.C. one-way?
One-way options have recently been found by users for as low as $46 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $78 and United Airlines from $79 one-way.
What are the most popular routes from Boston to Washington, D.C.?
The most popular flight routes from Boston to Washington, D.C. are Boston Logan Intl - Washington, D.C. Reagan-National, Boston Logan Intl - Baltimore/Washington and Boston Logan Intl - Washington, D.C. Dulles Intl.
What are the most reliable airlines from Boston to Washington, D.C.?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Washington, D.C. on time: Egyptair (100%), Air China (100%), Ethiopian Air (98%).
What are the cheapest flights from Boston to Washington, D.C.?
On average you can expect to pay $932 for a flight from Boston to Washington, D.C.. The cheapest flight overall is $113 while the most popular route, (Boston Logan Intl - Washington, D.C. Reagan-National) is currently priced at $157.
Can I find deals for flights from Boston to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Boston to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Washington, D.C..
Can I find deals for business class flights from Boston to Washington, D.C.?
Yes. Cheapflights offers flight deals from Boston to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Boston to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of $309). Flying from Boston to Washington, D.C. in June is currently the most expensive (average of $383). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 6 airlines flying from Boston to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$47	Average$102	FlexibilityNo cancel fee	On-time65%
JetBlue	Cheapest$68	Average$242	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$108	Average$247	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$137	Average$265	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$139	Average$246	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$177	Average$273	FlexibilityNo cancel fee	On-time63%

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$46+ Cheap flights from Boston (BOS) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in January or August, booked 89 days in advance, depart on a Thursday or Friday and return on a Thursday

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Find flight deals from Boston to Washington, D.C.

Cheapest flights from Boston to Washington, D.C.Explore the most affordable flight options available from Boston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Explore the most affordable flight options available from Boston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

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Use the filters below to find and compare flights from Boston to Washington, D.C. that are best for you.

Compare providers for flights from Boston to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Washington, D.C. in April.

The best insider tips for Boston to Washington, D.C. flights

Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Washington, D.C. trip

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Best time to book a flight from Boston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Boston with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Boston to Washington, D.C.

How far ahead should I book a flight from Boston to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Washington, D.C.. Price data was last updated on April 18, 2025.

What is the cheapest month to book a flight from Boston to Washington, D.C.?

What is the cheapest time of day to fly from BOS to WAS?

Find hourly flight availability from Boston to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

What is the cheapest day to fly from Boston to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Boston to Washington, D.C.. Price data was last updated on March 30, 2025.

Weekly flight availability from Boston to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Boston to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boston to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Boston to Washington, D.C.?

What are the cheapest airlines flying from Boston to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Boston to Washington, D.C. one-way?

What are the most popular routes from Boston to Washington, D.C.?

What are the most reliable airlines from Boston to Washington, D.C.?

What are the cheapest flights from Boston to Washington, D.C.?

Can I find deals for flights from Boston to Washington, D.C. that include hotel bookings?

How can I find direct flights from Boston to Washington, D.C.?

Can I find deals for business class flights from Boston to Washington, D.C.?

What is the cheapest month to book a flight from Boston to Washington, D.C.?

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Top 6 airlines flying from Boston to Washington, D.C.

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Cheapest flights from Boston to Washington, D.C.
Explore the most affordable flight options available from Boston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.