Cheap flights from Boston to Washington from $114

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Washington departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines Logo
12:19 pm - 9:23 pmBOS-PDX
12h 04m1 stop
American Airlines Logo
11:15 pm - 10:57 amPDX-BOS
8h 42m1 stop
$208American Airlines
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Thu, Feb 19 - Mon, Feb 23
Delta Logo
11:00 am - 7:11 pmBOS-PDX
11h 11m1 stop
Delta Logo
12:55 am - 11:06 amPDX-BOS
7h 11m1 stop
$218Delta
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Tue, Mar 10 - Tue, Mar 10
Southwest Logo
6:20 pm - 12:15 amBOS-PDX
8h 55m1 stop
Southwest Logo
5:55 am - 4:05 pmPDX-BOS
7h 10m1 stop
$219Southwest
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Fri, Nov 14 - Tue, Nov 18
United Airlines Logo
8:00 am - 4:15 pmBOS-SEA
11h 15m1 stop
United Airlines Logo
11:30 pm - 9:30 amSEA-BOS
7h 00m1 stop
$221United Airlines
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Tue, Nov 4 - Sun, Nov 9
United Airlines Logo
11:00 am - 6:25 pmBOS-SEA
10h 25m1 stop
United Airlines Logo
8:10 am - 6:48 pmSEA-BOS
7h 38m1 stop
$222United Airlines
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Tue, Nov 18 - Thu, Dec 4
Hawaiian Airlines Logo
9:00 am - 12:35 pmBOS-SEA
6h 35mnonstop
Hawaiian Airlines Logo
3:59 pm - 12:20 amSEA-BOS
5h 21mnonstop
$227Hawaiian Airlines
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Thu, Nov 13 - Wed, Nov 19
Hawaiian Airlines Logo
7:00 am - 10:35 amBOS-SEA
6h 35mnonstop
Hawaiian Airlines Logo
3:59 pm - 12:20 amSEA-BOS
5h 21mnonstop
$229Hawaiian Airlines
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Thu, Nov 13 - Wed, Nov 19
Southwest Logo
9:35 am - 6:00 pmBOS-PDX
11h 25m2 stops
Southwest Logo
6:20 am - 10:30 pmPDX-BOS
13h 10m1 stop
$230Southwest
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Tue, Jan 6 - Wed, Jan 7
Alaska Airlines Logo
9:00 am - 12:35 pmBOS-SEA
6h 35mnonstop
Alaska Airlines Logo
3:38 pm - 11:59 pmSEA-BOS
5h 21mnonstop
$231Alaska Airlines
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Sun, Dec 7 - Sun, Dec 7
Alaska Airlines Logo
9:00 am - 12:35 pmBOS-SEA
6h 35mnonstop
Alaska Airlines Logo
11:10 pm - 7:29 amSEA-BOS
5h 19mnonstop
$235Alaska Airlines
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Fri, Nov 14 - Mon, Nov 17

United Airlines flights from Boston to State of Washington

Our best United Airlines deals on Boston to State of Washington flight tickets
United Airlines
Nov 4
BOS8:00 amBoston Logan Intl
11h 15m
1 stop
SEA4:15 pmSeattle/Tacoma Intl
Nov 9
SEA11:30 pmSeattle/Tacoma Intl
7h 00m
1 stop
BOS9:30 amBoston Logan Intl
United Airlines
Nov 18
BOS11:00 amBoston Logan Intl
10h 25m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
Dec 4
SEA8:10 amSeattle/Tacoma Intl
7h 38m
1 stop
BOS6:48 pmBoston Logan Intl
United Airlines
Nov 8
BOS8:00 amBoston Logan Intl
11h 15m
1 stop
SEA4:15 pmSeattle/Tacoma Intl
Nov 15
SEA8:00 amSeattle/Tacoma Intl
7h 48m
1 stop
BOS6:48 pmBoston Logan Intl

Hawaiian Airlines flights from Boston to State of Washington

Our best Hawaiian Airlines deals on Boston to State of Washington flight tickets
Hawaiian Airlines
Nov 13
BOS9:00 amBoston Logan Intl
6h 35m
SEA12:35 pmSeattle/Tacoma Intl
Nov 19
SEA3:59 pmSeattle/Tacoma Intl
5h 21m
BOS12:20 amBoston Logan Intl
Hawaiian Airlines
Nov 13
BOS7:00 amBoston Logan Intl
6h 35m
SEA10:35 amSeattle/Tacoma Intl
Nov 19
SEA3:59 pmSeattle/Tacoma Intl
5h 21m
BOS12:20 amBoston Logan Intl
Hawaiian Airlines
Dec 5
BOS9:00 amBoston Logan Intl
6h 35m
SEA12:35 pmSeattle/Tacoma Intl
Dec 11
SEA3:38 pmSeattle/Tacoma Intl
5h 21m
BOS11:59 pmBoston Logan Intl

momondo Fare Finder

 
Customize your flight search to find flights from Boston to State of 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Boston to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Thu 2/19

12:19 pm-9:23 pm

1 stop12h 04m

Portland

Mon 2/23

11:15 pm-10:57 am

1 stop8h 42m

$208

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Tue 3/10

11:00 am-7:11 pm

1 stop11h 11m

Portland

Tue 3/10

12:55 am-11:06 am

1 stop7h 11m

$218

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Fri 11/14

6:20 pm-12:15 am

1 stop8h 55m

Portland

Tue 11/18

5:55 am-4:05 pm

1 stop7h 10m

$219

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 11/4

8:00 am-4:15 pm

1 stop11h 15m

Seattle/Tacoma Intl

Sun 11/9

11:30 pm-9:30 am

1 stop7h 00m

$221

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Tue 11/18

11:00 am-6:25 pm

1 stop10h 25m

Seattle/Tacoma Intl

Thu 12/4

8:10 am-6:48 pm

1 stop7h 38m

$222

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 11/13

9:00 am-12:35 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Wed 11/19

3:59 pm-12:20 am

Nonstop5h 21m

$227

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Thu 11/13

7:00 am-10:35 am

Nonstop6h 35m

Seattle/Tacoma Intl

Wed 11/19

3:59 pm-12:20 am

Nonstop5h 21m

$229

BostonPortland

BOS - PDX

BOSPDX

Boston Logan Intl

Tue 1/6

9:35 am-6:00 pm

2 stops11h 25m

Portland

Wed 1/7

6:20 am-10:30 pm

1 stop13h 10m

$230

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Sun 12/7

9:00 am-12:35 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Sun 12/7

3:38 pm-11:59 pm

Nonstop5h 21m

$231

BostonSeattle

BOS - SEA

BOSSEA

Boston Logan Intl

Fri 11/14

9:00 am-12:35 pm

Nonstop6h 35m

Seattle/Tacoma Intl

Mon 11/17

11:10 pm-7:29 am

Nonstop5h 19m

$235

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Boston to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from Boston, with most prices found around $236. If you aren’t able to travel to State of Washington during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $279.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Boston to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $390. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to State of Washington for around $499.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $311. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $455 on average. Flights to State of Washington from Boston in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Boston Logan Intl to Washington flight route?

Fly from Boston Logan Intl to Seattle/Tacoma Intl for the best Boston Logan Intl - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $341 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Boston for as low as $297 on momondo.

What cabin class options are available on Boston Logan Intl to Washington flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Boston to State of Washington.

Cheap Boston to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to State of Washington

Best Price Found

$206

Fastest flight time

6h 18m

Direct flights

Every day

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from Boston in the past 72 hours is $206. The best round-trip flight deal from Boston to State of Washington found on momondo in the last 72 hours is $338.
The fastest flight from Boston to State of Washington takes 6h 18m
Direct flights go from Boston to State of Washington every day.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)
  • When did momondo last update prices for flights from Boston Logan Intl Airport to Washington?

    Prices for flights from Boston Logan Intl Airport to Washington are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Washington?

  • How old do you have to be to fly from Boston Logan Intl Airport to Washington?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to State of Washington?

Best airlines flying from Boston to State of Washington

Compare and see reviews for airlines that fly from Boston to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $135Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
Hawaiian AirlinesPriceFrom $139Free CancellationRating
7.8
2,797 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $152Free CancellationRating
7.9
7,995 reviews
Search Delta flights
Sun Country AirPriceFrom $167Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $224Free CancellationRating
8.0
11,214 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
SouthwestPriceFrom $259Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Washington for you.

Can I find flights from Boston to Washington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Washington flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Washington?

Once you have performed a search for Boston to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Boston to Washington right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.

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1 adult
Sat 11/29
Sat 12/6

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