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$100+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Delta deal was found by Cheapflights users on 1/20. 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 5/281:38 pm
PDX
-
BOS
1 stop7h 45m
Delta
Tue 6/26:35 pm
BOS
-
PDX
1 stop8h 18m
Delta
Deal found 1/20$199
This American Airlines deal was found by Cheapflights users on 1/19. 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 4/111:59 pm
PDX
-
BOS
1 stop8h 39m
American Airlines
Wed 4/223:59 pm
BOS
-
PDX
1 stop10h 42m
American Airlines
Deal found 1/19$208
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 8/199:37 pm
PDX
-
BOS
Nonstop5h 25m
Alaska Airlines
Tue 8/256:00 am
BOS
-
PDX
Nonstop6h 19m
Alaska Airlines
Deal found 1/21$217
This Delta deal was found by Cheapflights users on 1/20. 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 3/165:36 pm
PDX
-
BOS
1 stop10h 14m
Delta
Tue 3/317:10 am
BOS
-
PDX
1 stop9h 01m
Delta
Deal found 1/20$218
This Delta deal was found by Cheapflights users on 1/20. 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.
Sat 3/75:30 am
PDX
-
BOS
1 stop7h 29m
Delta
Wed 3/114:54 pm
BOS
-
PDX
1 stop7h 59m
Delta
Deal found 1/20$219
This Delta deal was found by Cheapflights users on 1/21. 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 8/2011:39 am
PDX
-
BOS
1 stop9h 13m
Delta
Fri 8/283:30 pm
BOS
-
PDX
1 stop8h 19m
Delta
Deal found 1/21$229
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 4/39:30 pm
PDX
-
BOS
Nonstop5h 23m
Hawaiian Airlines
Tue 4/76:00 am
BOS
-
PDX
Nonstop6h 23m
Hawaiian Airlines
Deal found 1/20$233
This American Airlines deal was found by Cheapflights users on 1/21. 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 5/111:59 pm
PDX
-
BOS
1 stop8h 34m
American Airlines
Wed 5/65:43 pm
BOS
-
PDX
1 stop8h 58m
American Airlines
Deal found 1/21$235
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 4/87:00 am
PDX
-
BOS
Nonstop5h 27m
Alaska Airlines
Mon 4/136:00 am
BOS
-
PDX
Nonstop6h 23m
Alaska Airlines
Deal found 1/20$237
This Delta deal was found by Cheapflights users on 1/20. 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 3/127:15 pm
PDX
-
BOS
1 stop7h 55m
Delta
Sat 3/215:15 pm
BOS
-
PDX
1 stop8h 38m
Delta
Deal found 1/20$238
This American Airlines deal was found by Cheapflights users on 1/19. 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 2/139:44 pm
PDX
-
BOS
1 stop9h 21m
American Airlines
Thu 2/195:31 pm
BOS
-
PDX
1 stop9h 46m
American Airlines
Deal found 1/19$239
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/1810:38 pm
PDX
-
BOS
1 stop7h 37m
United Airlines
Wed 2/256:00 am
BOS
-
PDX
2 stops10h 44m
United Airlines
Deal found 1/21$242

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 January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$199
(Delta)

One-way from

$100
(Delta)

Popular in

December

Cheapest in

March

Average price

$323

Good round-trip deal

$371 or less

Good one-way deal

$205 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. 11% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 2026.
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

PortlandBoston

PDX - BOS

PDXBOS

Portland

Mon 2/16

7:35 pm-6:50 am

1 stop8h 15m

Boston Logan Intl

Mon 2/23

6:57 pm-12:15 am

1 stop8h 18m

$199

PortlandBoston

PDX - BOS

PDXBOS

Portland

Mon 2/2

5:08 pm-6:05 am

1 stop9h 57m

Boston Logan Intl

Mon 2/9

12:45 pm-10:20 pm

1 stop12h 35m

$243

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 3/10

6:00 am-5:17 pm

1 stop8h 17m

Boston Logan Intl

Tue 3/24

7:00 am-12:41 pm

1 stop8h 41m

$257

PascoBoston

PSC - BOS

PSCBOS

Pasco Tri Cities

Tue 3/3

5:45 pm-6:50 am

1 stop10h 05m

Boston Logan Intl

Wed 3/11

11:15 am-4:39 pm

1 stop8h 24m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Wed 4/29

11:20 am-11:59 pm

1 stop9h 39m

Boston Logan Intl

Wed 5/6

7:20 am-12:27 pm

1 stop8h 07m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 3/17

11:30 am-11:59 pm

1 stop9h 29m

Boston Logan Intl

Tue 3/24

6:45 pm-12:03 am

1 stop8h 18m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 4/28

1:07 pm-11:59 pm

1 stop7h 52m

Boston Logan Intl

Sat 5/2

4:50 pm-10:33 pm

1 stop8h 43m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 5/5

6:00 am-5:03 pm

1 stop8h 03m

Boston Logan Intl

Sat 5/16

7:05 am-2:46 pm

1 stop10h 41m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Tue 4/28

2:08 pm-11:41 pm

1 stop6h 33m

Boston Logan Intl

Wed 5/6

7:20 am-12:27 pm

1 stop8h 07m

$257

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 5/2

2:08 pm-11:41 pm

1 stop6h 33m

Boston Logan Intl

Wed 5/6

7:20 am-2:49 pm

1 stop10h 29m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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, March is the cheapest month in which you can book a flight from State of Washington to Boston (average of $108). Flying from State of Washington to Boston in December is currently the most expensive (average of $244). 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 January 21, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 45% 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 January 17, 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. Monday 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 January 21, 2026.

The most flights from USWA to BOS are scheduled on a Thursday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 23m. Fly via Delta, United Airlines, 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 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 (96%) or Japan Airlines (95%) 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 $808, our data shows the cheapest flight currently is $153. When looking at the most popular route, (Seattle/Tacoma Intl - Boston Logan Intl), you can expect to pay $227 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 $108). Flying from State of Washington to Boston in December is currently the most expensive (average of $244). 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
Seekonk
Brockton
Warwick
Seabrook
Cranston
Lincoln
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell
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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$118Average$296FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$119Average$319FlexibilityNo cancel feeOn-time62%
DeltaCheapest$140Average$440FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$178Average$519FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$196Average$389FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$223Average$457FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$236Average$568FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$281Average$405FlexibilityNo cancel feeOn-time63%

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