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$99+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
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Cheap 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 April 27, 2026.

This Delta deal was found by Cheapflights users on 4/23. 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 5/187:23 pm
GEG
-
BOS
1 stop9h 12m
Delta
Wed 5/277:48 am
BOS
-
GEG
1 stop10h 43m
Delta
Deal found 4/23$214
This Delta deal was found by Cheapflights users on 4/23. 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 5/186:45 pm
GEG
-
BOS
1 stop8h 35m
Delta
Thu 6/44:30 pm
BOS
-
GEG
1 stop9h 48m
Delta
Deal found 4/23$231
This Delta deal was found by Cheapflights users on 4/23. 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 8/215:00 pm
GEG
-
BOS
1 stop10h 09m
Delta
Tue 8/256:25 pm
BOS
-
GEG
1 stop8h 10m
Delta
Deal found 4/23$232
This Southwest deal was found by Cheapflights users on 4/22. 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 8/183:00 pm
PDX
-
BOS
1 stop12h 00m
Southwest
Mon 8/311:10 pm
BOS
-
PDX
2 stops11h 00m
Southwest
Deal found 4/22$236
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 8/710:52 pm
PDX
-
BOS
1 stop8h 01m
United Airlines
Tue 8/256:00 am
BOS
-
PDX
1 stop8h 35m
United Airlines
Deal found 4/23$237
This Delta deal was found by Cheapflights users on 4/22. 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 6/311:20 am
PDX
-
BOS
1 stop10h 20m
Delta
Sun 6/75:30 am
BOS
-
PDX
1 stop8h 11m
Delta
Deal found 4/22$238
This American Airlines deal was found by Cheapflights users on 4/23. 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 9/511:59 pm
PDX
-
BOS
1 stop9h 11m
American Airlines
Tue 9/156:00 am
BOS
-
PDX
1 stop8h 32m
American Airlines
Deal found 4/23$243
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 9/221:31 pm
PDX
-
BOS
1 stop7h 23m
American Airlines
Sat 9/265:53 pm
BOS
-
PDX
1 stop7h 57m
American Airlines
Deal found 4/23$246
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/1111:47 pm
PDX
-
BOS
1 stop8h 45m
American Airlines
Thu 5/144:32 pm
BOS
-
PDX
1 stop10h 16m
American Airlines
Deal found 4/22$248
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/2510:59 pm
PDX
-
BOS
1 stop7h 28m
American Airlines
Fri 5/296:00 am
BOS
-
PDX
1 stop8h 34m
American Airlines
Deal found 4/22$253
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/2210:40 pm
PDX
-
BOS
1 stop8h 21m
American Airlines
Wed 5/273:00 pm
BOS
-
PDX
1 stop9h 51m
American Airlines
Deal found 4/27$262
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 8/410:57 pm
PDX
-
BOS
1 stop7h 35m
American Airlines
Tue 8/116:00 am
BOS
-
PDX
1 stop8h 50m
American Airlines
Deal found 4/23$267

Find flight deals from Washington to Boston

Keep the following information in mind while searching for Washington to Boston flight deals. Data was last updated April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$214
(Delta)

One-way from

$99
(Delta)

Popular in

December

Cheapest in

September

Average price

$442

Good round-trip deal

$368 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Boston Logan Intl flights.
Search Deals
From Washington to Boston Logan Intl
Search Deals
One-way flight from Washington to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Washington to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Washington to Boston Logan Intl.
Search Deals

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 April 27, 2026.
Use the filters below to find and compare flights from Washington to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 7/14

7:59 pm-7:35 am

1 stop8h 36m

Boston Logan Intl

Tue 7/21

7:10 am-1:21 pm

1 stop9h 11m

$293

PortlandBoston

PDX - BOS

PDXBOS

Portland

Tue 5/26

9:46 pm-6:20 am

Nonstop5h 34m

Boston Logan Intl

Wed 5/27

7:11 pm-8:02 am

1 stop15h 51m

$297

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 5/21

1:11 pm-12:40 am

1 stop8h 29m

Boston Logan Intl

Tue 5/26

7:48 am-3:31 pm

1 stop10h 43m

$301

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Fri 8/21

5:00 pm-6:09 am

1 stop10h 09m

Boston Logan Intl

Tue 8/25

6:25 pm-11:35 pm

1 stop8h 10m

$310

PortlandBoston

PDX - BOS

PDXBOS

Portland

Thu 6/4

9:46 pm-6:20 am

Nonstop5h 34m

Boston Logan Intl

Tue 6/9

6:00 am-9:11 am

Nonstop6h 11m

$312

PortlandBoston

PDX - BOS

PDXBOS

Portland

Sat 5/23

5:51 pm-7:35 am

1 stop10h 44m

Boston Logan Intl

Tue 5/26

7:48 am-2:48 pm

1 stop10h 00m

$318

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 6/10

5:10 pm-6:05 am

1 stop9h 55m

Boston Logan Intl

Sun 6/14

7:15 am-11:40 am

1 stop7h 25m

$321

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 8/20

5:00 pm-6:09 am

1 stop10h 09m

Boston Logan Intl

Tue 8/25

7:05 am-2:46 pm

1 stop10h 41m

$328

PortlandBoston

PDX - BOS

PDXBOS

Portland

Fri 8/14

6:57 pm-5:59 am

1 stop8h 02m

Boston Logan Intl

Sun 8/23

6:00 am-11:35 am

1 stop8h 35m

$330

PortlandBoston

PDX - BOS

PDXBOS

Portland

Mon 5/18

5:40 pm-3:48 pm

1 stop19h 08m

Boston Logan Intl

Thu 5/21

6:00 am-9:11 am

Nonstop6h 11m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

How far ahead should I book a flight from State of Washington to Boston?

The best time to book flights from State of Washington to Boston is 69 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 State of Washington to Boston?

Currently, March 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 December is currently the most expensive (average of $863). 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 April 27, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 46% on flights from State of Washington to Boston by exploring options for tickets at noon.

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 April 25, 2026.

Travelers seeking maximum savings on their State of Washington to Boston flight should consider departing on Saturday at noon 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 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 April 27, 2026.

The most flights from USWA to BOS are scheduled on a Monday (19 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from State of Washington to Boston?

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 21 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 34m. Fly via Delta, Alaska Airlines, or United 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 American Airlines, which is currently one of the cheapest options available, starting at $98. JetBlue flights start at $118 while deals on Alaska Airlines start at $118 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 KLM (100%), EL AL (89%) or Scandinavian Airlines (87%) 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 $1,079, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Seattle/Tacoma Intl - Boston Logan Intl), you can expect to pay $282 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, March 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 December is currently the most expensive (average of $863). 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
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
Seabrook
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Waltham
Lowell
Braintree

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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 April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$118Average$302FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$137Average$326FlexibilityNo cancel feeOn-time62%
DeltaCheapest$154Average$445FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$178Average$459FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$194Average$392FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$196Average$399FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$233Average$457FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$235Average$588FlexibilityNo cancel feeOn-time75%

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