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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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$198
(JetBlue)

One-way from

$109
(American Airlines)

Popular in

August

Cheapest in

January

Average price

$452

Good round-trip deal

$299 or less

Good one-way deal

$183 or less
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. 15% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 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 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 August 14, 2025.

This JetBlue deal was found by Cheapflights users on 8/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:00 amBOS - SEA
Nonstop6h 19mJetBlue
Tue 9/3011:30 amSEA - BOS
Nonstop5h 53mJetBlue
Deal found 8/13$198
This JetBlue deal was found by Cheapflights users on 8/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:00 amBOS - SEA
Nonstop6h 19mJetBlue
Wed 9/2411:30 amSEA - BOS
Nonstop5h 53mJetBlue
Deal found 8/14$217
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 9/265:00 amBOS - PDX
1 stop8h 28mAmerican Airlines
Mon 9/296:07 amPDX - BOS
1 stop9h 27mAmerican Airlines
Deal found 8/14$217
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/2012:52 pmBOS - SEA
1 stop10h 17mAmerican Airlines
Wed 9/2410:11 amSEA - BOS
1 stop7h 49mAmerican Airlines
Deal found 8/14$218
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/206:15 amBOS - PDX
1 stop10h 01mAmerican Airlines
Wed 9/241:09 pmPDX - BOS
1 stop7h 44mAmerican Airlines
Deal found 8/14$218
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Wed 9/37:00 amBOS - SEA
Nonstop6h 19mJetBlue
Wed 9/1711:30 amSEA - BOS
Nonstop5h 53mJetBlue
Deal found 8/13$222
This Southwest deal was found by Cheapflights users on 8/14. 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.
Thu 12/116:45 amBOS - PDX
1 stop9h 45mSouthwest
Sun 12/146:30 amPDX - BOS
1 stop13h 00mSouthwest
Deal found 8/14$222
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Wed 9/177:00 amBOS - SEA
Nonstop6h 19mJetBlue
Mon 9/2211:30 amSEA - BOS
Nonstop5h 53mJetBlue
Deal found 8/13$223
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 9/46:55 pmBOS - SEA
Nonstop6h 13mAlaska Airlines
Tue 9/93:55 pmSEA - BOS
1 stop20h 05mAlaska Airlines
Deal found 8/12$227
This Trip.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/207:00 amBOS - SEA
Nonstop6h 19mJetBlue
Mon 9/2211:30 amSEA - BOS
Nonstop5h 53mJetBlue
Deal found 8/13$229
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 9/27:10 amBOS - SEA
1 stop8h 53mUnited Airlines
Wed 9/1011:10 pmSEA - BOS
1 stop7h 36mUnited Airlines
Deal found 8/12$233
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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.
Sat 12/64:50 pmBOS - SEA
1 stop8h 34mAlaska Airlines
Sat 12/1310:00 amSEA - BOS
1 stop17h 17mAlaska Airlines
Deal found 8/11$236

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 August 14, 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

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 10/21

7:20 am-10:45 am

Nonstop6h 25m

Seattle/Tacoma Intl

Fri 10/31

10:05 pm-6:35 am

Nonstop5h 30m

$217

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Fri 10/17

7:20 am-10:49 am

Nonstop6h 29m

Seattle/Tacoma Intl

Tue 10/28

3:59 pm-12:20 am

Nonstop5h 21m

$217

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 10/16

4:30 pm-7:50 pm

Nonstop6h 20m

Seattle/Tacoma Intl

Sun 10/19

11:15 pm-7:53 am

Nonstop5h 38m

$217

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 9/24

7:00 am-10:19 am

Nonstop6h 19m

Seattle/Tacoma Intl

Wed 10/1

11:30 am-8:26 pm

Nonstop5h 56m

$217

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Fri 9/12

5:00 am-10:28 am

1 stop8h 28m

Portland

Tue 9/16

5:38 am-8:04 pm

1 stop11h 26m

$217

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Thu 11/6

6:20 pm-12:15 am

1 stop8h 55m

Portland

Mon 11/10

5:45 am-6:40 pm

1 stop9h 55m

$217

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Fri 10/17

7:20 am-10:45 am

Nonstop6h 25m

Seattle/Tacoma Intl

Tue 10/28

10:05 pm-6:35 am

Nonstop5h 30m

$217

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 11/5

9:00 am-12:35 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Sun 11/9

11:10 pm-7:29 am

Nonstop5h 19m

$217

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 9/25

7:00 am-10:19 am

Nonstop6h 19m

Seattle/Tacoma Intl

Mon 9/29

11:30 am-8:23 pm

Nonstop5h 53m

$217

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Fri 9/19

6:55 pm-10:08 pm

Nonstop6h 13m

Seattle/Tacoma Intl

Wed 10/1

3:59 pm-12:27 am

Nonstop5h 28m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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 June is currently the most expensive (average of $389). 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 August 14, 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 August 14, 2025.

The most flights from BOS to USWA are scheduled on a Thursday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 on average).

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 August 14, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Boston to Washington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,656 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
JetBlue
7.2
Good
2,914 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 42 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 American Airlines, with whom users have recently found tickets for as low as $109. However, be on the lookout for offers from Southwest and Delta, 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 - Spokane 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: Singapore Airlines (100%), LATAM Airlines (90%), Delta( 72%).

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

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Boston Logan Intl - Seattle/Tacoma Intl) can be booked for $183 on average our data indicates $984 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 June is currently the most expensive (average of $389). 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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Alternative routes for Boston to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$135Average$326FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$149Average$368FlexibilityNo cancel feeOn-time85%
DeltaCheapest$153Average$460FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$172Average$407FlexibilityNo cancel feeOn-time83%
Spirit AirlinesCheapest$187Average$277FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$223Average$564FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$228Average$510FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$494FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$259Average$453FlexibilityNo cancel feeOn-time63%

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