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$109+ Cheap flights from Boston (BOS) to Washington

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEA
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Boston to Washington

Keep the following information in mind while searching for Boston to Washington flight deals. Data was last updated April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$213
(Kiwi.com)

One-way from

$109
(Delta)

Popular in

July

Cheapest in

January

Average price

$326

Good round-trip deal

$309 or less

Good one-way deal

$180 or less
Provider with most accurate pricing for Boston Logan Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Seattle/Tacoma Intl flights.
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From Boston Logan Intl to Washington
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One-way flight from Boston Logan Intl to Washington
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Highest demand for flights based on searches. 27% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Washington.
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Price to beat on a one-way flight from Boston Logan Intl to Washington.
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Find flight deals from Boston to Washington

Cheapest flights from Boston to Washington
Explore the most affordable flight options available from Boston to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Thu 5/156:00 amBOS - PDX
Nonstop6h 12mHawaiian Airlines
Wed 5/219:42 pmPDX - BOS
Nonstop5h 28mHawaiian Airlines
Deal found 4/14$213
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:00 amBOS - PDX
1 stop9h 36mAlaska Airlines
Wed 6/41:25 pmPDX - BOS
1 stop7h 41mAlaska Airlines
Deal found 4/14$216
This Delta deal was found by Cheapflights users on 4/14. 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 5/297:25 amBOS - PDX
1 stop10h 25mDelta
Fri 6/611:11 pmPDX - BOS
1 stop6h 57mDelta
Deal found 4/14$217
This Southwest deal was found by Cheapflights users on 4/14. 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 8/203:15 pmBOS - PDX
1 stop10h 30mSouthwest
Mon 8/256:10 amPDX - BOS
1 stop10h 55mSouthwest
Deal found 4/14$222
This Orbitz deal was found by Cheapflights users on 4/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/47:00 amBOS - SEA
Nonstop6h 13mMultiple Airlines
Wed 5/76:00 amSEA - BOS
2 stops23h 41mMultiple Airlines
Deal found 4/14$224
This SmartFares deal was found by Cheapflights users on 4/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:00 amBOS - SEA
Nonstop6h 13mAlaska Airlines
Fri 5/93:49 pmSEA - BOS
Nonstop5h 23mAlaska Airlines
Deal found 4/14$226
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:00 amBOS - PDX
1 stop8h 44mUnited Airlines
Thu 5/82:14 pmPDX - BOS
1 stop7h 31mUnited Airlines
Deal found 4/14$237
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Sat 5/37:00 amBOS - SEA
Nonstop6h 13mHawaiian Airlines
Fri 5/93:49 pmSEA - BOS
Nonstop5h 23mHawaiian Airlines
Deal found 4/15$244
This Delta deal was found by Cheapflights users on 4/14. 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 5/77:25 amBOS - SEA
Nonstop6h 20mDelta
Mon 5/123:37 pmSEA - BOS
Nonstop5h 22mDelta
Deal found 4/14$247
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/133:49 pmBOS - SEA
2 stops35h 21mSpirit Airlines
Tue 5/203:20 pmSEA - BOS
2 stops28h 36mSpirit Airlines
Deal found 4/15$258
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:00 pmBOS - PDX
1 stop10h 02mAmerican Airlines
Tue 5/611:35 amPDX - BOS
1 stop9h 24mAmerican Airlines
Deal found 4/15$261
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/312:39 pmBOS - SEA
1 stop10h 34mAmerican Airlines
Fri 5/911:58 pmSEA - BOS
1 stop9h 09mAmerican Airlines
Deal found 4/14$266

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Washington 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 April 15, 2025.
Use the filters below to find and compare flights from Boston to Washington that are best for you.

Fly from

Boston

Fly to

Washington

Route

Depart

Return

Price

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Thu 5/15

6:00 am-9:12 am

Nonstop6h 12m

Portland

Wed 5/21

9:42 pm-6:10 am

Nonstop5h 28m

$213

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Wed 5/28

7:00 am-1:36 pm

1 stop9h 36m

Portland

Wed 6/4

1:25 pm-12:06 am

1 stop7h 41m

$216

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Thu 5/29

7:25 am-12:41 pm

1 stop8h 16m

Portland

Tue 6/3

11:11 pm-9:08 am

1 stop6h 57m

$217

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Wed 8/20

3:15 pm-10:45 pm

1 stop10h 30m

Portland

Mon 8/25

6:10 am-8:05 pm

1 stop10h 55m

$222

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sun 5/4

7:00 am-10:13 am

Nonstop6h 13m

Seattle/Tacoma Intl

Wed 5/7

6:00 am-8:41 am

2 stops23h 41m

$224

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 5/3

7:00 am-10:13 am

Nonstop6h 13m

Seattle/Tacoma Intl

Fri 5/9

3:49 pm-12:12 am

Nonstop5h 23m

$226

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Mon 5/5

6:00 am-11:44 am

1 stop8h 44m

Portland

Thu 5/8

2:14 pm-12:45 am

1 stop7h 31m

$237

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 5/3

7:00 am-10:13 am

Nonstop6h 13m

Seattle/Tacoma Intl

Fri 5/9

3:49 pm-12:12 am

Nonstop5h 23m

$244

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 5/7

7:25 am-10:45 am

Nonstop6h 20m

Seattle/Tacoma Intl

Mon 5/12

3:37 pm-11:59 pm

Nonstop5h 22m

$247

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 5/13

3:49 pm-12:10 am

2 stops35h 21m

Seattle/Tacoma Intl

Tue 5/20

3:20 pm-10:56 pm

2 stops28h 36m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 60 results
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Best time to book a flight from Boston to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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

What is the cheapest month to book a flight from Boston to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Boston to State of Washington (average of $238). Flying from Boston to State of Washington in July is currently the most expensive (average of $411). 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 WA?

Find hourly flight availability from Boston to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

When flying from Boston to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Boston to State of Washington

Explore weekly flight availability from Boston to Washington. 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 April 15, 2025.

The most flights from BOS to USWA are scheduled on a Monday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated April 15, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Boston to Washington have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

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
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

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
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

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
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,375 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

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
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

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

Find useful and relevant information for your journey from Boston to Washington. 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?

    If you book a flight to Washington from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

  • How popular is this Boston to State of Washington flight route?

    This flight path from Boston Logan Intl to Washington was viewed by 50 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 to fly from Boston to State of Washington one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $109. However, be on the lookout for offers from Southwest and Alaska Airlines, as they are both options that can get you from Boston to State of Washington for a low price.

  • What are the most popular routes from Boston to State of Washington?

    When deciding which route to take from Boston to State of Washington consider Boston Logan Intl - Seattle/Tacoma Intl, Boston Logan Intl - Portland or Boston Logan Intl - Pasco Tri Cities as they are the most popular.

  • What are the most reliable airlines from Boston to State of Washington?

    Before booking your flight to State of Washington from Boston, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (100%), Condor (90%), American Airlines( 87%).

  • What are the cheapest flights from Boston to State of Washington?

    Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Boston Logan Intl - Seattle/Tacoma Intl) can be booked for $242 on average our data indicates $973 when flying from Boston to State of Washington.

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

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

  • How can I find direct flights from Boston to Washington?

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

  • Can I find deals for business class flights from Boston to Washington?

    Yes. Cheapflights offers flight deals from Boston to Washington 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 State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Boston to State of Washington (average of $238). Flying from Boston to State of Washington in July is currently the most expensive (average of $411). 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 9 airlines flying from Boston to Washington

Discover the top 9 airlines that operate flights from Boston to Washington. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$128Average$334FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$145Average$394FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$174Average$377FlexibilityNo cancel feeOn-time83%
DeltaCheapest$188Average$493FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$192Average$284FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$214Average$461FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$217Average$590FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$238Average$514FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$296Average$471FlexibilityNo cancel feeOn-time63%

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