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$59+ Cheap flights from Washington, D.C. (WAS) to Boston (BOS)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOS
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Boston Logan Intl are usually found in January or September, booked 30 days in advance, depart on a Thursday or Friday and return on a Friday

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 7, 2025.

Round-trip from

$117
(Delta)

One-way from

$59
(Southwest)

Popular in

April

Cheapest in

January

Average price

$208

Good round-trip deal

$165 or less

Good one-way deal

$107 or less
From Washington, D.C. (WAS) to Boston Logan Intl
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One-way flight from Washington, D.C. (WAS) to Boston Logan Intl
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Highest demand for flights based on searches. 8% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Boston Logan Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Boston Logan Intl.
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Find flight deals from Washington, D.C. to Boston

Cheapest flights from Washington, D.C. to Boston
Explore the most affordable flight options available from Washington, D.C. to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:36 pmBWI - BOS
Nonstop1h 48mDelta
Mon 9/89:05 amBOS - BWI
Nonstop1h 47mDelta
Deal found 8/5$117
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:45 amBWI - BOS
Nonstop1h 45mSouthwest
Wed 9/105:50 pmBOS - BWI
Nonstop1h 40mSouthwest
Deal found 8/6$121
This Cheapflightsfares deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/32:30 pmBWI - BOS
1 stop8h 04mSpirit Airlines
Wed 9/1012:20 pmBOS - BWI
1 stop7h 27mSpirit Airlines
Deal found 8/4$126
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2212:23 pmBWI - BOS
1 stop7h 22mDelta
Tue 9/306:30 amBOS - BWI
Nonstop1h 41mDelta
Deal found 8/4$127
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:40 pmBWI - BOS
Nonstop1h 30mSouthwest
Sat 10/255:55 pmBOS - BWI
Nonstop1h 45mSouthwest
Deal found 8/7$130
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:15 amBWI - BOS
Nonstop1h 48mDelta
Thu 10/23:21 pmBOS - BWI
Nonstop1h 44mDelta
Deal found 8/4$132
This Delta deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:36 pmBWI - BOS
Nonstop1h 48mDelta
Sat 9/610:55 amBOS - BWI
Nonstop1h 45mDelta
Deal found 8/5$134
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2212:23 pmBWI - BOS
1 stop7h 22mDelta
Sat 9/275:40 amBOS - BWI
1 stop5h 58mDelta
Deal found 8/4$137
This Kiwi.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/32:30 pmBWI - BOS
1 stop8h 04mSpirit Airlines
Tue 9/912:20 pmBOS - BWI
1 stop7h 27mSpirit Airlines
Deal found 8/5$140
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:20 amBWI - BOS
Nonstop1h 45mDelta
Wed 9/107:58 pmBOS - BWI
Nonstop1h 51mDelta
Deal found 8/7$141
This Delta deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:25 pmBWI - BOS
1 stop5h 29mDelta
Mon 9/89:05 amBOS - BWI
Nonstop1h 47mDelta
Deal found 8/4$142
This Trip.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/183:15 pmDCA - BOS
Nonstop2h 13mJetBlue
Sun 9/216:30 amBOS - DCA
Nonstop1h 39mJetBlue
Deal found 8/6$146

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 7, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Boston that are best for you.

Fly from

Washington, D.C.

Fly to

Boston

Route

Depart

Return

Price

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Thu 9/4

5:36 pm-7:24 pm

Nonstop1h 48m

Boston Logan Intl

Mon 9/8

9:05 am-10:52 am

Nonstop1h 47m

$117

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 9/9

8:45 am-10:30 am

Nonstop1h 45m

Boston Logan Intl

Wed 9/10

5:50 pm-7:30 pm

Nonstop1h 40m

$121

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 9/3

2:30 pm-10:34 pm

1 stop8h 04m

Boston Logan Intl

Wed 9/10

12:20 pm-7:47 pm

1 stop7h 27m

$126

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 9/22

12:23 pm-7:45 pm

1 stop7h 22m

Boston Logan Intl

Tue 9/30

6:30 am-8:11 am

Nonstop1h 41m

$127

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/22

7:40 pm-9:10 pm

Nonstop1h 30m

Boston Logan Intl

Sat 10/25

5:55 pm-7:40 pm

Nonstop1h 45m

$130

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 9/26

6:15 am-8:03 am

Nonstop1h 48m

Boston Logan Intl

Thu 10/2

3:21 pm-5:05 pm

Nonstop1h 44m

$132

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 9/3

5:36 pm-7:24 pm

Nonstop1h 48m

Boston Logan Intl

Sat 9/6

10:55 am-12:40 pm

Nonstop1h 45m

$134

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 9/22

12:23 pm-7:45 pm

1 stop7h 22m

Boston Logan Intl

Sat 9/27

5:40 am-11:38 am

1 stop5h 58m

$137

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 9/3

2:30 pm-10:34 pm

1 stop8h 04m

Boston Logan Intl

Tue 9/9

12:20 pm-7:47 pm

1 stop7h 27m

$140

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 9/6

6:20 am-8:05 am

Nonstop1h 45m

Boston Logan Intl

Mon 9/8

9:05 am-10:52 am

Nonstop1h 47m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 60 results
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The best insider tips for Washington, D.C. to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Boston trip
Airports
IAD

For quick check-in at IAD, locate your airline counter in the main terminal's island setup. Be prepared for crowded afternoon and evening hours.

Read more about IADby Ramsey Qubein
BOS

At BOS, use the MBTA Silver Line for a free ride to downtown Boston. It's a convenient and economical option for travelers.

Read more about BOSby Paul Rubio
Our travel experts
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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

Have a flexible travel schedule? Discover the best time to fly to Boston from Washington, D.C. 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 Washington, D.C. to Boston

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Boston. Price data was last updated on August 1, 2025.

The best time to book flights from Washington, D.C. to Boston is 30 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 Washington, D.C. to Boston?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $218). Flying from Washington, D.C. to Boston in July is currently the most expensive (average of $311). 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 WAS to BOS?

Find hourly flight availability from Washington, D.C. to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 7, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Boston. Price data was last updated on August 3, 2025.

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

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

Explore weekly flight availability from Washington, D.C. to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 7, 2025.

The most flights from WAS to BOS are scheduled on a Wednesday (84 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Washington, D.C. to Boston?

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated August 7, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,247 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,247 reviews
Southwest
8.0
Very good
4,247 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,987 reviews
Southwest
8.0
Very good
4,247 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,916 reviews
Southwest
8.0
Very good
4,247 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,247 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
JetBlue
7.2
Good
2,915 reviews
Southwest
8.0
Very good
4,247 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Boston. 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 into for flights to Boston from Washington, D.C.?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Washington, D.C.. Booking flights from Washington, D.C. to Logan Intl (BOS) should be relatively easy as there are 63 daily inbound flights from Washington, D.C. from 7 different airlines.

  • How popular is this Washington, D.C. to Boston flight route?

    The Washington, D.C. to Boston Logan Intl flight path was viewed by 124 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    According to our current data, Delta ($117), Southwest ($121), and JetBlue ($146) offers the cheapest pricing from Washington, D.C. to Boston. These flights start at 42% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $59 on Southwest. Other airlines that offer cheap prices include Spirit Airlines from $62 and United Airlines from $79 one-way.

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

    Most travelers choose Washington, D.C. Reagan-National - Boston Logan Intl, Washington, D.C. Dulles Intl - Boston Logan Intl or Baltimore/Washington - Boston Logan Intl when deciding on the best route from Washington, D.C. to Boston.

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

    The top 3 most reliable airlines when flying from Washington, D.C. to Boston are LATAM Airlines (90%), Scandinavian Airlines (82%) and WestJet (78%).

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

    On average you can expect to pay $209 for a flight from Washington, D.C. to Boston. The cheapest flight overall is $48 while the most popular route, (Washington, D.C. Reagan-National - Boston Logan Intl) is currently priced at $124.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Boston 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 Washington, D.C. to Boston?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $218). Flying from Washington, D.C. to Boston in July is currently the most expensive (average of $311). 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.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Watertown
Waltham
Seabrook
Framingham
Lowell
Hampton Beach
Lincoln
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Saco
Swansea
Burlington

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Washington, D.C. to Boston

Discover the top 7 airlines that operate flights from Washington, D.C. to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$118FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$63Average$236FlexibilityNo cancel feeOn-time62%
DeltaCheapest$78Average$224FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$116Average$258FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$118Average$281FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$145Average$254FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$162Average$264FlexibilityNo cancel feeOn-time63%

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