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$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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BOS
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
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 December 7, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/7. 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 12/313:59 pmSEA - BOS
Nonstop5h 24mAlaska Airlines
Tue 1/66:06 pmBOS - SEA
Nonstop6h 24mAlaska Airlines
Deal found 12/7$307
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Thu 12/118:35 amPDX - BOS
1 stop8h 57mAmerican Airlines
Tue 1/132:43 pmBOS - PDX
1 stop8h 44mAmerican Airlines
Deal found 12/4$318
This United Airlines deal was found by Cheapflights users on 12/5. 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 12/3111:15 pmSEA - BOS
1 stop8h 22mUnited Airlines
Mon 1/54:47 pmBOS - SEA
1 stop9h 25mUnited Airlines
Deal found 12/5$327
This Delta deal was found by Cheapflights users on 12/5. 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 12/166:10 amPDX - BOS
1 stop10h 27mDelta
Mon 1/127:30 amBOS - PDX
1 stop11h 55mDelta
Deal found 12/5$337
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/165:00 amSEA - BOS
1 stop7h 42mUnited Airlines
Wed 1/710:56 amBOS - SEA
1 stop10h 31mUnited Airlines
Deal found 12/4$348
This United Airlines deal was found by Cheapflights users on 12/5. 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 12/307:12 pmSEA - BOS
1 stop9h 58mUnited Airlines
Wed 1/712:45 pmBOS - SEA
1 stop8h 29mUnited Airlines
Deal found 12/5$352
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 12/1811:59 pmSEA - BOS
1 stop7h 52mMultiple Airlines
Fri 1/98:48 amBOS - SEA
2 stops29h 37mMultiple Airlines
Deal found 12/4$365
This Kiwi.com deal was found by Cheapflights users on 12/4. 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.
Tue 12/2311:52 amSEA - BOS
1 stop19h 59mSun Country Air
Tue 12/3011:49 amBOS - SEA
1 stop8h 35mSun Country Air
Deal found 12/4$371
This Alaska Airlines deal was found by Cheapflights users on 12/5. 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 12/313:59 pmSEA - BOS
Nonstop5h 24mAlaska Airlines
Mon 1/56:00 amBOS - SEA
1 stop27h 20mAlaska Airlines
Deal found 12/5$376
This Southwest deal was found by Cheapflights users on 12/4. 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.
Fri 12/195:30 amPDX - BOS
1 stop9h 55mSouthwest
Mon 1/56:10 amBOS - PDX
1 stop15h 10mSouthwest
Deal found 12/4$383
This Delta deal was found by Cheapflights users on 12/5. 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 12/313:55 pmSEA - BOS
1 stop14h 14mDelta
Fri 1/99:05 amBOS - SEA
1 stop16h 45mDelta
Deal found 12/5$385
This Alaska Airlines deal was found by Cheapflights users on 12/6. 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 12/243:59 pmSEA - BOS
Nonstop5h 24mAlaska Airlines
Tue 1/66:06 pmBOS - SEA
Nonstop6h 24mAlaska Airlines
Deal found 12/6$387

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 December 7, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$208
(Southwest)

One-way from

$109
(JetBlue)

Popular in

December

Cheapest in

January

Average price

$536

Good round-trip deal

$357 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.
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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. 7% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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.
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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 December 7, 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

PortlandBoston

PDX - BOS

PDXBOS

Portland

Fri 2/6

7:37 pm-6:53 am

1 stop8h 16m

Boston Logan Intl

Wed 2/11

5:20 pm-12:17 am

1 stop9h 57m

$228

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 2/7

12:55 pm-1:04 am

1 stop9h 09m

Boston Logan Intl

Mon 2/9

6:45 pm-11:59 pm

1 stop8h 14m

$237

PortlandBoston

PDX - BOS

PDXBOS

Portland

Thu 1/15

11:59 pm-1:13 pm

2 stops10h 14m

Boston Logan Intl

Sun 1/18

6:00 am-11:57 am

1 stop8h 57m

$242

PortlandBoston

PDX - BOS

PDXBOS

Portland

Wed 1/7

7:00 am-5:19 pm

1 stop7h 19m

Boston Logan Intl

Wed 1/14

6:00 am-2:48 pm

2 stops11h 48m

$242

PortlandBoston

PDX - BOS

PDXBOS

Portland

Wed 2/11

7:00 am-3:20 pm

Nonstop5h 20m

Boston Logan Intl

Wed 2/11

5:20 pm-8:48 pm

Nonstop6h 28m

$271

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Thu 1/15

2:00 pm-11:52 pm

1 stop6h 52m

Boston Logan Intl

Tue 1/20

4:25 pm-11:50 pm

1 stop10h 25m

$275

PortlandBoston

PDX - BOS

PDXBOS

Portland

Thu 1/1

11:45 pm-12:43 pm

1 stop9h 58m

Boston Logan Intl

Sat 1/10

4:05 pm-9:49 pm

1 stop8h 44m

$276

PortlandBoston

PDX - BOS

PDXBOS

Portland

Thu 1/1

5:30 am-4:03 pm

1 stop7h 33m

Boston Logan Intl

Tue 1/6

4:25 pm-10:54 pm

1 stop9h 29m

$278

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 2/4

7:55 am-4:20 pm

Nonstop5h 25m

Boston Logan Intl

Thu 2/5

7:00 am-10:34 am

Nonstop6h 34m

$282

PortlandBoston

PDX - BOS

PDXBOS

Portland

Sun 1/25

10:15 pm-10:31 am

1 stop9h 16m

Boston Logan Intl

Wed 1/28

8:00 am-6:51 pm

2 stops13h 51m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

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 December is currently the most expensive (average of $222). 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 December 7, 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 December 7, 2025.

The most flights from USWA to BOS are scheduled on a Sunday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 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 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 20m. 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 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 $108 while deals on Delta start at $115 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 TAP AIR PORTUGAL (100%), EL AL (91%) or Condor (88%) 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 $1,066, our data shows the cheapest flight currently is $152. When looking at the most popular route, (Seattle/Tacoma Intl - Boston Logan Intl), you can expect to pay $189 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 December is currently the most expensive (average of $222). 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
Cranston
Lincoln
Lowell
Smithfield
Peabody
Brockton
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
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 December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$118Average$352FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$141Average$328FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$443FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$178Average$422FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$196Average$382FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$221Average$445FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$231Average$558FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$281Average$413FlexibilityNo cancel feeOn-time63%

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