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$116+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$208
(SmartFares)

One-way from

$116
(Delta)

Popular in

December

Cheapest in

January

Average price

$328

Good round-trip deal

$253 or less

Good one-way deal

$169 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boston Logan Intl flights.
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From Washington to Boston Logan Intl
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One-way flight from Washington to Boston Logan Intl
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Washington to Boston Logan Intl.
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Price to beat on a one-way flight from Washington to Boston Logan Intl.
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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 October 14, 2025.

This SmartFares deal was found by Cheapflights users on 10/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/153:59 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
Thu 11/207:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Deal found 10/12$208
This SmartFares deal was found by Cheapflights users on 10/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:20 amSEA - BOS
1 stop7h 04mHawaiian Airlines
Thu 11/207:00 amBOS - SEA
Nonstop6h 35mHawaiian Airlines
Deal found 10/12$217
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:30 amSEA - BOS
Nonstop5h 38mAlaska Airlines
Sat 11/17:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Deal found 10/12$218
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:10 pmSEA - BOS
Nonstop5h 19mHawaiian Airlines
Thu 11/207:00 amBOS - SEA
Nonstop6h 35mHawaiian Airlines
Deal found 10/12$223
This Delta deal was found by Cheapflights users on 10/14. 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.
Fri 11/1410:05 pmSEA - BOS
Nonstop5h 30mDelta
Thu 11/207:15 amBOS - SEA
Nonstop6h 30mDelta
Deal found 10/14$234
This Cheapflightsfares deal was found by Cheapflights users on 10/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:59 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
Tue 11/187:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Deal found 10/12$235
This Delta deal was found by Cheapflights users on 10/14. 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.
Tue 10/287:50 amSEA - BOS
Nonstop5h 32mDelta
Fri 11/76:55 pmBOS - SEA
Nonstop6h 27mDelta
Deal found 10/14$237
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:59 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
Wed 11/196:23 pmBOS - SEA
Nonstop6h 28mAlaska Airlines
Deal found 10/13$239
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:55 amPDX - BOS
1 stop7h 10mSouthwest
Tue 11/116:45 amBOS - PDX
1 stop15h 05mSouthwest
Deal found 10/12$254
This Delta deal was found by Cheapflights users on 10/14. 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 11/1910:10 pmPDX - BOS
1 stop8h 25mDelta
Sun 11/236:53 pmBOS - PDX
1 stop8h 05mDelta
Deal found 10/14$258
This Southwest deal was found by Cheapflights users on 10/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1110:50 amPDX - BOS
1 stop8h 55mSouthwest
Tue 12/162:10 pmBOS - PDX
2 stops10h 50mSouthwest
Deal found 10/11$262
This American Airlines deal was found by Cheapflights users on 10/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:59 pmPDX - BOS
1 stop8h 36mAmerican Airlines
Mon 11/172:21 pmBOS - PDX
1 stop8h 57mAmerican Airlines
Deal found 10/13$264

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 October 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

Thu 12/4

10:15 pm-6:45 am

Nonstop5h 30m

Boston Logan Intl

Sun 12/7

7:15 am-10:45 am

Nonstop6h 30m

$237

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 11/5

7:50 am-4:22 pm

Nonstop5h 32m

Boston Logan Intl

Mon 11/10

7:00 pm-10:31 pm

Nonstop6h 31m

$237

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 11/11

3:39 pm-11:55 pm

Nonstop5h 16m

Boston Logan Intl

Sat 11/15

7:00 pm-10:31 pm

Nonstop6h 31m

$237

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 11/5

7:50 am-4:22 pm

Nonstop5h 32m

Boston Logan Intl

Sat 11/8

6:55 pm-10:22 pm

Nonstop6h 27m

$237

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 11/19

3:39 pm-11:54 pm

Nonstop5h 15m

Boston Logan Intl

Sun 11/23

7:00 pm-10:29 pm

Nonstop6h 29m

$237

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 11/11

11:52 pm-10:43 am

1 stop7h 51m

Boston Logan Intl

Sat 11/15

8:00 am-4:15 pm

1 stop11h 15m

$242

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 11/12

7:00 am-5:15 pm

1 stop7h 15m

Boston Logan Intl

Wed 11/19

3:10 pm-10:28 pm

1 stop10h 18m

$247

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 10/31

9:25 am-9:38 pm

1 stop9h 13m

Boston Logan Intl

Thu 11/13

6:00 am-11:28 am

1 stop8h 28m

$252

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 12/13

9:25 am-9:43 pm

1 stop9h 18m

Boston Logan Intl

Mon 12/15

4:20 pm-10:28 pm

1 stop9h 08m

$252

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 2/6

3:40 pm-11:59 pm

Nonstop5h 19m

Boston Logan Intl

Sun 2/8

5:20 pm-10:33 pm

1 stop8h 13m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

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 $98). Flying from State of Washington to Boston in August is currently the most expensive (average of $178). 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 October 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 27% on flights from State of Washington to Boston by exploring options for tickets in the afternoon.

What is the cheapest day to fly from State of Washington to Boston?

Use this chart to determine the cheapest time to fly round-trip from Washington to Boston. Price data was last updated on December 16, 2024.

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

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 October 14, 2025.

The most flights from USWA to BOS are scheduled on a Monday (32 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (20 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?

    This flight path from Washington to Boston Logan Intl was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from State of Washington to Boston?

    There are many flights that can get you from State of Washington to Boston in 5h 27m. Fly via Delta, Southwest, or Alaska Airlines to get the fastest option. There are 2528 mi between State of Washington and Boston. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

  • 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 Air France (87%), Virgin Atlantic (79%) or EL AL (78%) 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 $831, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Seattle/Tacoma Intl - Boston Logan Intl), you can expect to pay $232 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 $98). Flying from State of Washington to Boston in August is currently the most expensive (average of $178). 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
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

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Top 8 airlines flying from Washington to Boston

Discover the top 8 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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$118Average$352FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$136Average$325FlexibilityNo cancel feeOn-time62%
DeltaCheapest$149Average$446FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$178Average$411FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$196Average$370FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$216Average$370FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$221Average$547FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$236Average$411FlexibilityNo cancel feeOn-time63%

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