HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$110+ Cheap flights from Boston (BOS) to Washington

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SEA
Nov 14 — Nov 211
Fri 11/14
Fri 11/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Boston to Washington

Cheapest flights from Boston to Washington
Explore the most affordable flight options available from Boston to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2025.

This Vliegwinkel 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:00 amBOS - SEA
Nonstop6h 35mMultiple Airlines
Sun 11/233:55 pmSEA - BOS
Nonstop5h 20mMultiple Airlines
Deal found 10/14$226
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Sun 11/2311:25 pmSEA - BOS
Nonstop5h 17mAlaska Airlines
Deal found 10/14$229
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Fri 11/143:59 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
Deal found 10/13$231
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:20 amBOS - PDX
1 stop9h 55mSouthwest
Tue 11/188:00 amPDX - BOS
2 stops10h 35mSouthwest
Deal found 10/14$233
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Thu 12/43:38 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
Deal found 10/13$234
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Sun 11/1611:10 pmSEA - BOS
Nonstop5h 19mAlaska Airlines
Deal found 10/14$235
This Delta deal was found by Cheapflights users on 10/15. 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 10/3111:10 amBOS - SEA
Nonstop6h 18mDelta
Sat 11/110:05 pmSEA - BOS
Nonstop5h 30mDelta
Deal found 10/15$237
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:50 pmBOS - PDX
1 stop9h 07mUnited Airlines
Sun 11/97:10 pmPDX - BOS
1 stop7h 46mUnited Airlines
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.
Fri 10/319:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Fri 10/313:59 pmSEA - BOS
Nonstop5h 21mAlaska Airlines
Deal found 10/13$239
This Delta deal was found by Cheapflights users on 10/15. 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 10/305:34 amBOS - PDX
1 stop7h 55mDelta
Sun 11/212:40 amPDX - BOS
1 stop7h 08mDelta
Deal found 10/15$239
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:00 amBOS - SEA
Nonstop6h 35mAlaska Airlines
Tue 11/185:20 amSEA - BOS
1 stop7h 04mAlaska Airlines
Deal found 10/14$240
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:20 amBOS - PDX
1 stop9h 55mSouthwest
Sat 12/66:00 amPDX - BOS
2 stops12h 55mSouthwest
Deal found 10/14$240

Cheap flight deals from Boston to Washington

Keep the following information in mind while searching for Boston to Washington flight deals. Data was last updated October 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$226
(Vliegwinkel)

One-way from

$110
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$328

Good round-trip deal

$310 or less

Good one-way deal

$191 or less
Provider with most accurate pricing for Boston Logan Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Seattle/Tacoma Intl flights.
Search Deals
From Boston Logan Intl to Washington
Search Deals
One-way flight from Boston Logan Intl to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Washington.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Washington.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Washington 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 15, 2025.
Use the filters below to find and compare flights from Boston to Washington that are best for you.

Fly from

Boston

Fly to

Washington

Route

Depart

Return

Price

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 12/3

7:15 am-10:45 am

Nonstop6h 30m

Seattle/Tacoma Intl

Sun 12/7

10:15 pm-6:45 am

Nonstop5h 30m

$237

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Fri 11/7

4:50 pm-10:57 pm

1 stop9h 07m

Portland

Sun 11/9

7:10 pm-5:56 am

1 stop7h 46m

$237

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sun 11/9

7:15 am-10:45 am

Nonstop6h 30m

Seattle/Tacoma Intl

Sat 11/15

3:39 pm-11:55 pm

Nonstop5h 16m

$237

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Mon 11/10

7:00 pm-10:31 pm

Nonstop6h 31m

Seattle/Tacoma Intl

Sat 11/15

7:30 am-4:00 pm

Nonstop5h 30m

$237

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sat 12/6

6:55 pm-10:15 pm

Nonstop6h 20m

Seattle/Tacoma Intl

Sat 12/13

7:35 am-4:03 pm

Nonstop5h 28m

$237

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Fri 12/5

5:00 pm-10:35 pm

1 stop8h 35m

Portland

Sat 12/6

6:00 am-9:55 pm

2 stops12h 55m

$240

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 11/20

7:00 am-10:35 am

Nonstop6h 35m

Seattle/Tacoma Intl

Mon 11/24

10:05 am-5:51 am

1 stop16h 46m

$241

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Thu 1/8

6:00 am-11:57 am

1 stop8h 57m

Portland

Tue 1/13

10:47 am-11:49 pm

2 stops10h 02m

$242

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Fri 10/31

7:00 am-10:35 am

Nonstop6h 35m

Seattle/Tacoma Intl

Tue 11/4

8:25 pm-3:41 pm

1 stop16h 16m

$247

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Wed 12/10

7:00 am-10:35 am

Nonstop6h 35m

Seattle/Tacoma Intl

Sun 12/14

7:59 pm-5:52 pm

1 stop18h 53m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Boston to Washington

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

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

Currently, January is the cheapest month in which you can book a flight from Boston to State of Washington (average of $98). Flying from Boston to State of Washington 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 BOS to WA?

Find hourly flight availability from Boston to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 15, 2025.

One of the essential ways to save on airfare from Boston to State of Washington is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 38% on airfare.

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

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

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

Weekly flight availability from Boston to State of Washington

Explore weekly flight availability from Boston to Washington. 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 15, 2025.

The most flights from BOS to USWA are scheduled on a Monday (35 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (21 on average).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated October 15, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Boston to Washington have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,082 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,779 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,043 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
JetBlue
7.2
Good
2,905 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Boston to Washington. 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 from for flights from Boston to Washington?

    If you book a flight to Washington from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston.

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

    This flight path from Boston Logan Intl to Washington was viewed by 51 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 Boston to State of Washington?

    Delta, United Airlines, and Southwest can get you from Boston to State of Washington in just under 6h 30m. Your travel time can differ by up to 2h 37m. There are 2487 mi between Boston and State of Washington. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $119. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from Boston to State of Washington for a low price.

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

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

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

    Before booking your flight to State of Washington from Boston, check out the most reliable airlines to get you to your destination on time: LATAM Airlines (96%), Delta (88%), Virgin Atlantic( 88%).

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

    Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Boston Logan Intl - Seattle/Tacoma Intl) can be booked for $215 on average, our data indicates $1,004 when flying from Boston to State of Washington.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Boston to State of Washington (average of $98). Flying from Boston to State of Washington 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Orlando flights
Boston to Dallas/Fort Worth flights
Boston to Las Vegas flights
Boston to Los Angeles flights
Boston to Miami flights
Boston to Tampa flights
Boston to Atlanta flights
Boston to Fort Lauderdale flights
Boston to San Francisco flights
Boston to Nashville flights
Boston to Fort Myers flights
Boston to LaGuardia flights
Boston to Reagan-National flights
Hartford to Orlando flights
Boston to O'Hare Intl flights
Boston to Dulles Intl flights
Boston to West Palm Beach flights
Boston to Baltimore flights
Boston to Philadelphia flights
Boston to Denver flights
Boston to Sky Harbor Intl flights
Boston to Charlotte flights
Boston to Raleigh flights
Boston to Seattle flights
Boston to John F Kennedy Intl flights
Boston to New Orleans flights
Boston to Hobby flights
Boston to Newark flights
Boston to Austin flights
Boston to George Bush Intcntl flights
Hartford to Fort Lauderdale flights
Boston to Sarasota flights
Boston to Love Field flights
Hartford to Atlanta flights
Boston to Honolulu flights
Boston to Charleston flights
Boston to Salt Lake City flights
Albany to Orlando flights
Boston to San Diego flights
Boston to Midway flights
Hartford to Tampa flights
Boston to Columbus flights
Boston to Jacksonville flights
Boston to Indianapolis flights
Boston to Ontario flights
Hartford to Miami flights
Hartford to Hobby flights
Boston to Cincinnati flights
Hartford to O'Hare Intl flights
Boston to Detroit flights

Top 8 airlines flying from Boston to Washington

Discover the top 8 airlines that operate flights from Boston to Washington. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$133Average$326FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$139Average$534FlexibilityNo cancel feeOn-time85%
DeltaCheapest$150Average$463FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$167Average$400FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$216Average$482FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$217Average$543FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$233Average$509FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$259Average$446FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.