Boston

$109+ Cheap flights from Washington 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
Aug 19 — Aug 261
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Cheap flight deals from Washington to Boston

Keep the following information in mind while searching for Washington to Boston flight deals. Data was last updated August 14, 2025.

Round-trip from

$197
(JetBlue)

One-way from

$109
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$437

Good round-trip deal

$260 or less

Good one-way deal

$212 or less
From Washington to Boston Logan Intl
One-way flight from Washington to Boston Logan Intl
High demand for flights, 6% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Washington to Boston Logan Intl.
Price to beat on a one-way flight from Washington to Boston Logan Intl.

Find flight deals from Washington to Boston

Cheapest flights from Washington to Boston
Explore the most affordable flight options available from Washington to Boston. 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.
Wed 9/2411:30 amSEA - BOS
Nonstop5h 53mJetBlue
Sat 10/47:00 amBOS - SEA
Nonstop6h 19mJetBlue
Deal found 8/13$197
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:30 amSEA - BOS
Nonstop5h 53mJetBlue
Mon 9/297:00 amBOS - SEA
Nonstop6h 19mJetBlue
Deal found 8/12$203
This Bravofly 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:30 amSEA - BOS
Nonstop5h 53mJetBlue
Sun 10/128:20 amBOS - SEA
Nonstop6h 39mJetBlue
Deal found 8/14$211
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.
Wed 9/101:09 pmPDX - BOS
1 stop7h 44mAmerican Airlines
Sat 9/137:00 pmBOS - PDX
1 stop8h 05mAmerican Airlines
Deal found 8/14$217
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.
Wed 10/151:10 pmSEA - BOS
Nonstop5h 36mJetBlue
Wed 10/228:20 amBOS - SEA
Nonstop6h 39mJetBlue
Deal found 8/13$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.
Wed 10/111:05 pmSEA - BOS
1 stop8h 05mAmerican Airlines
Wed 10/82:18 pmBOS - SEA
1 stop8h 52mAmerican Airlines
Deal found 8/14$219
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.
Sat 9/139:15 amSEA - BOS
1 stop11h 20mSouthwest
Tue 9/165:40 amBOS - SEA
1 stop8h 35mSouthwest
Deal found 8/14$222
This lastminute.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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:30 amSEA - BOS
Nonstop5h 53mJetBlue
Mon 9/227:00 amBOS - SEA
Nonstop6h 19mJetBlue
Deal found 8/13$224
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:59 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
Sat 11/16:59 pmBOS - SEA
1 stop19h 24mAlaska Airlines
Deal found 8/14$227
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:22 pmPDX - BOS
2 stops11h 36mFrontier
Mon 9/812:59 pmBOS - PDX
2 stops14h 13mFrontier
Deal found 8/14$236
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:05 pmPDX - BOS
1 stop10h 20mDelta
Fri 9/265:45 amBOS - PDX
1 stop7h 54mDelta
Deal found 8/12$237
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 9/2611:30 amSEA - BOS
Nonstop5h 53mJetBlue
Sat 9/277:00 amBOS - SEA
Nonstop6h 19mJetBlue
Deal found 8/14$237

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 14, 2025.
Use the filters below to find and compare flights from Washington to Boston that are best for you.

Fly from

Washington

Fly to

Boston

Route

Depart

Return

Price

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 10/29

3:59 pm-12:20 am

Nonstop5h 21m

Boston Logan Intl

Tue 11/4

7:00 am-10:35 am

Nonstop6h 35m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 9/30

11:30 am-8:23 pm

Nonstop5h 53m

Boston Logan Intl

Thu 10/2

7:00 am-10:19 am

Nonstop6h 19m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 10/18

3:35 pm-11:59 pm

Nonstop5h 24m

Boston Logan Intl

Thu 10/23

4:30 pm-7:50 pm

Nonstop6h 20m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 10/18

1:10 pm-9:46 pm

Nonstop5h 36m

Boston Logan Intl

Thu 10/23

8:20 am-11:59 am

Nonstop6h 39m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 10/28

3:59 pm-12:20 am

Nonstop5h 21m

Boston Logan Intl

Wed 10/29

7:00 am-10:35 am

Nonstop6h 35m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 9/30

11:30 am-8:23 pm

Nonstop5h 53m

Boston Logan Intl

Wed 10/1

7:00 am-10:19 am

Nonstop6h 19m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 10/25

3:35 pm-11:59 pm

Nonstop5h 24m

Boston Logan Intl

Tue 11/4

7:00 am-10:35 am

Nonstop6h 35m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 9/24

11:30 am-8:23 pm

Nonstop5h 53m

Boston Logan Intl

Sat 10/4

7:00 am-10:19 am

Nonstop6h 19m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 10/29

3:59 pm-12:20 am

Nonstop5h 21m

Boston Logan Intl

Thu 10/30

6:23 pm-9:51 pm

Nonstop6h 28m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 10/28

3:59 pm-12:20 am

Nonstop5h 21m

Boston Logan Intl

Thu 10/30

6:23 pm-9:51 pm

Nonstop6h 28m

$197

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 Washington to Boston

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

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to Boston (average of $218). Flying from State of Washington 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 WA to BOS?

Find hourly flight availability from Washington 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 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Boston as you normally would.

Weekly flight availability from State of Washington to Boston

Explore weekly flight availability from Washington 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 14, 2025.

The most flights from USWA to BOS are scheduled on a Thursday (39 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 on average).

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    For a flight from Washington to Boston, you will be flying into Logan Intl. Boston Logan Intl (BOS) is just 2.6 mi from the center of the city.

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

  • What are the cheapest airlines to fly from State of Washington to Boston one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $109. Delta flights start at $119 while deals on Southwest start at $139 one-way.

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

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

    No one likes to see their flight delayed. When booking a flight from State of Washington to Boston consider choosing Scandinavian Airlines (100%), Air France (93%) or Virgin Atlantic (85%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from State of Washington to Boston is generally $961, our data shows the cheapest flight currently is $121. When looking at the most popular route, (Seattle/Tacoma Intl - Boston Logan Intl), you can expect to pay $197 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Boston (average of $218). Flying from State of Washington 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
Hampton Beach
Waltham
Seabrook
Lowell
Lincoln
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Swansea
Saugus
Burlington
Braintree

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Washington to Boston

Discover the top 9 airlines that operate flights from Washington 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$120Average$365FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$132Average$328FlexibilityNo cancel feeOn-time62%
DeltaCheapest$154Average$439FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$175Average$301FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$216Average$393FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$223Average$370FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$228Average$571FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$271Average$423FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$422FlexibilityNo cancel feeOn-time63%

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