Cheap flights from Washington to Boston from $117

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Boston departing on 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington to Boston

Cheap round-trip flights

JetBlue Logo
1:10 pm - 9:46 pmSEA-BOS
5h 36mnonstop
JetBlue Logo
8:20 am - 11:59 amBOS-SEA
6h 39mnonstop
$175JetBlue
Find Deal
Sat, Oct 18 - Fri, Oct 24
JetBlue Logo
1:10 pm - 9:46 pmSEA-BOS
5h 36mnonstop
JetBlue Logo
8:20 am - 11:59 amBOS-SEA
6h 39mnonstop
$187JetBlue
Find Deal
Sat, Oct 18 - Thu, Oct 23
American Airlines Logo
11:05 pm - 10:10 amSEA-BOS
8h 05m1 stop
American Airlines Logo
6:00 am - 11:03 amBOS-SEA
8h 03m1 stop
$197American Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7
Hawaiian Airlines Logo
3:59 pm - 12:20 amSEA-BOS
5h 21mnonstop
Hawaiian Airlines Logo
7:00 am - 10:35 amBOS-SEA
6h 35mnonstop
$200Hawaiian Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
Alaska Airlines Logo
3:59 pm - 12:20 amSEA-BOS
5h 21mnonstop
Alaska Airlines Logo
7:00 am - 10:35 amBOS-SEA
6h 35mnonstop
$205Alaska Airlines
Find Deal
Thu, Oct 30 - Tue, Nov 4
American Airlines Logo
10:54 pm - 10:14 amSEA-BOS
8h 20m1 stop
American Airlines Logo
3:51 pm - 12:27 amBOS-SEA
11h 36m1 stop
$206American Airlines
Find Deal
Wed, Oct 15 - Tue, Oct 21
Delta Logo
10:05 pm - 6:35 amSEA-BOS
5h 30mnonstop
Delta Logo
7:20 am - 10:45 amBOS-SEA
6h 25mnonstop
$217Delta
Find Deal
Fri, Oct 24 - Fri, Oct 31
Alaska Airlines Logo
3:35 pm - 11:59 pmSEA-BOS
5h 24mnonstop
Alaska Airlines Logo
8:25 pm - 10:34 amBOS-SEA
17h 09m1 stop
$227Alaska Airlines
Find Deal
Sat, Oct 18 - Fri, Oct 24
Delta Logo
5:05 am - 4:22 pmGEG-BOS
8h 17m1 stop
Delta Logo
5:40 am - 11:41 amBOS-GEG
9h 01m1 stop
$233Delta
Find Deal
Sat, Oct 18 - Sat, Nov 1
Hawaiian Airlines Logo
9:00 am - 5:20 pmSEA-BOS
5h 20mnonstop
Hawaiian Airlines Logo
7:00 am - 10:35 amBOS-SEA
6h 35mnonstop
$258Hawaiian Airlines
Find Deal
Tue, Dec 9 - Fri, Dec 12

United Airlines flights from State of Washington to Boston

Our best United Airlines deals on State of Washington to Boston flight tickets
United Airlines
Sep 29
SEA6:55 pmSeattle/Tacoma Intl
8h 05m
1 stop
BOS6:00 amBoston Logan Intl
Oct 1
BOS6:00 amBoston Logan Intl
8h 31m
1 stop
SEA11:31 amSeattle/Tacoma Intl
United Airlines
Sep 23
SEA12:15 pmSeattle/Tacoma Intl
8h 08m
1 stop
BOS11:23 pmBoston Logan Intl
Sep 27
BOS12:35 pmBoston Logan Intl
9h 14m
1 stop
SEA6:49 pmSeattle/Tacoma Intl
United Airlines
Oct 23
SEA12:00 pmSeattle/Tacoma Intl
7h 56m
1 stop
BOS10:56 pmBoston Logan Intl
Oct 25
BOS12:35 pmBoston Logan Intl
9h 14m
1 stop
SEA6:49 pmSeattle/Tacoma Intl

Alaska Airlines flights from State of Washington to Boston

Our best Alaska Airlines deals on State of Washington to Boston flight tickets
Alaska Airlines
Oct 30
SEA3:59 pmSeattle/Tacoma Intl
5h 21m
BOS12:20 amBoston Logan Intl
Nov 4
BOS7:00 amBoston Logan Intl
6h 35m
SEA10:35 amSeattle/Tacoma Intl
Alaska Airlines
Oct 18
SEA3:35 pmSeattle/Tacoma Intl
5h 24m
BOS11:59 pmBoston Logan Intl
Oct 24
BOS8:25 pmBoston Logan Intl
17h 09m
1 stop
SEA10:34 amSeattle/Tacoma Intl
Alaska Airlines
Oct 28
SEA5:57 pmSeattle/Tacoma Intl
18h 44m
1 stop
BOS3:41 pmBoston Logan Intl
Nov 7
BOS7:00 amBoston Logan Intl
6h 35m
SEA10:35 amSeattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated September 15, 2025.
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

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 10/18

1:10 pm-9:46 pm

Nonstop5h 36m

Boston Logan Intl

Fri 10/24

8:20 am-11:59 am

Nonstop6h 39m

$175

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 10/18

1:10 pm-9:46 pm

Nonstop5h 36m

Boston Logan Intl

Thu 10/23

8:20 am-11:59 am

Nonstop6h 39m

$187

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 9/30

11:05 pm-10:10 am

1 stop8h 05m

Boston Logan Intl

Tue 10/7

6:00 am-11:03 am

1 stop8h 03m

$197

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 10/28

3:59 pm-12:20 am

Nonstop5h 21m

Boston Logan Intl

Tue 11/4

7:00 am-10:35 am

Nonstop6h 35m

$200

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Thu 10/30

3:59 pm-12:20 am

Nonstop5h 21m

Boston Logan Intl

Tue 11/4

7:00 am-10:35 am

Nonstop6h 35m

$205

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Wed 10/15

10:54 pm-10:14 am

1 stop8h 20m

Boston Logan Intl

Tue 10/21

3:51 pm-12:27 am

1 stop11h 36m

$206

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Fri 10/24

10:05 pm-6:35 am

Nonstop5h 30m

Boston Logan Intl

Fri 10/31

7:20 am-10:45 am

Nonstop6h 25m

$217

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Sat 10/18

3:35 pm-11:59 pm

Nonstop5h 24m

Boston Logan Intl

Fri 10/24

8:25 pm-10:34 am

1 stop17h 09m

$227

SpokaneBoston

GEG - BOS

GEGBOS

Spokane

Sat 10/18

5:05 am-4:22 pm

1 stop8h 17m

Boston Logan Intl

Sat 11/1

5:40 am-11:41 am

1 stop9h 01m

$233

SeattleBoston

SEA - BOS

SEABOS

Seattle/Tacoma Intl

Tue 12/9

9:00 am-5:20 pm

Nonstop5h 20m

Boston Logan Intl

Fri 12/12

7:00 am-10:35 am

Nonstop6h 35m

$258

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Boston from

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

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 Boston?

In general, January is the cheapest month to fly from State of Washington to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $217. If you aren’t able to travel during the month of January, then book flights to Boston from State of Washington during March instead. Flights to Boston in March, while not as cheap as those in January, still average around $267.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from State of Washington to Boston is on a Wednesday when prices can be found for as low as $343. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $416.

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

According to our data, the cheapest time of day to fly to Boston is at noon. momondo users have found flights departing from State of Washington to Boston at noon for as low as $314. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $403 per ticket.

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

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

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $347 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from State of Washington for as low as $293 on momondo.

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

There are 4 cabin classes available to choose from on Washington to Boston Logan Intl 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 State of Washington to Boston flights?

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

Cheap State of Washington to Boston flight deals and tips

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

Best Price Found

$182

Fastest flight time

5h 17m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from State of Washington in the past 72 hours is $182. The best round-trip flight deal from State of Washington to Boston found on momondo in the last 72 hours is $246.
The fastest flight from State of Washington to Boston takes 5h 17m
Direct flights go from State of Washington to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
  • When did momondo last update prices for flights from Washington to Boston Logan Intl Airport?

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from State of Washington to Boston

Compare and see reviews for airlines that fly from State of Washington to Boston with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $118Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
JetBluePriceFrom $131Free CancellationRating
7.2
2,912 reviews
Search JetBlue flights
DeltaPriceFrom $152Free CancellationRating
7.9
7,954 reviews
Search Delta flights
United AirlinesPriceFrom $178Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Sun Country AirPriceFrom $216Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
Alaska AirlinesPriceFrom $227Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $281Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
Cambridge
South Yarmouth
Narragansett
Nashua
Gloucester
Brockton
Laconia
Falmouth
Concord
Everett
Wells
Chatham

Why use momondo?

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

Finding the right flight to Boston from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boston quick and easy, saving you time and money.

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

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

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

Once all potential Washington to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Boston from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 10/15
Wed 10/22

Find better results for your trip to the United States