How does KAYAK find such low prices on flights from Washington to Boston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Boston. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Boston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Boston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Boston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$105 CHEAP FLIGHTS from Washington to Boston

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Flight Deals

Cheap Flights from Washington to Boston

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Washington to Boston

Sat, Jan 17 - Mon, Jan 19

8:00 am - 10:31 pmSEA-BOS

11h 31m1 stop

12:55 pm - 10:20 pmBOS-SEA

12h 25m1 stop

$192American Airlines

Find Deal

Thu, Feb 5 - Mon, Feb 9

5:15 am - 4:30 pmSEA-BOS

8h 15m1 stop

4:45 pm - 10:50 pmBOS-SEA

9h 05m1 stop

$202Southwest

Find Deal

Sun, Nov 9 - Wed, Nov 12

5:05 am - 3:42 pmSEA-BOS

7h 37m1 stop

11:00 am - 6:25 pmBOS-SEA

10h 25m1 stop

$214United Airlines

Find Deal

Sat, Nov 8 - Tue, Nov 11

11:30 pm - 9:30 amSEA-BOS

7h 00m1 stop

8:00 am - 4:15 pmBOS-SEA

11h 15m1 stop

$217United Airlines

Find Deal

Sat, Nov 8 - Fri, Nov 14

3:59 pm - 12:20 amSEA-BOS

5h 21mnonstop

9:00 am - 12:35 pmBOS-SEA

6h 35mnonstop

$227Hawaiian Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

3:38 pm - 11:59 pmSEA-BOS

5h 21mnonstop

6:59 pm - 10:30 pmBOS-SEA

6h 31mnonstop

$230Hawaiian Airlines

Find Deal

Thu, Nov 20 - Sun, Nov 23

3:39 pm - 11:54 pmSEA-BOS

5h 15mnonstop

7:00 pm - 10:29 pmBOS-SEA

6h 29mnonstop

$231Delta

Find Deal

Mon, Nov 10 - Wed, Nov 12

11:10 pm - 7:29 amSEA-BOS

5h 19mnonstop

7:00 am - 10:35 amBOS-SEA

6h 35mnonstop

$234Alaska Airlines

Find Deal

Wed, Nov 12 - Fri, Nov 14

3:59 pm - 12:20 amSEA-BOS

5h 21mnonstop

9:00 am - 12:35 pmBOS-SEA

6h 35mnonstop

$235Alaska Airlines

Find Deal

Sun, Dec 7 - Wed, Dec 10

10:25 pm - 6:55 amSEA-BOS

5h 30mnonstop

5:30 pm - 8:48 pmBOS-SEA

6h 18mnonstop

$237Delta

Find Deal

Cheapest round-trip

$192

Overall average: $216

American Airlines

Sat 1/17Mon 1/19

SEA - BOS • 1 stop

Cheapest non-stop

$227

Typical prices: $211-$434

Hawaiian Airlines

Sat 11/8Fri 11/14

SEA - BOS • Non-stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Boston!

Useful Info

Low season	February
High season	October
Cheapest flight	$105

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from Spokane to Boston

How does KAYAK find such low prices on flights from Washington to Boston?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Boston.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Boston?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Boston?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Boston?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hampton Beach

Hampton

Waltham

Plymouth

Wells

Warwick

Middletown

Everett

Gloucester

Concord

York Beach

Woburn

Brookline

Revere

West Yarmouth

Danvers

Burlington

South Portland

Braintree

Quincy

Everything you need to know for your flight to Boston

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Boston

Boston (BOS)

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BOS

$105 Find Cheap Flights from Washington to Boston

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

Cheap Flights from Washington to Boston

Recent round-trip flight deals from Washington to Boston

Recent one-way flight deals from Washington to Boston

Recent last minute flight deals from Washington to Boston

Recent direct flight deals from Washington to Boston

Everything you should know

Good to know

FAQs for booking flights from Washington to Boston

How does KAYAK find such low prices on flights from Washington to Boston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Boston.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Boston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Boston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Boston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Boston?

Everything you need to know for your flight to Boston

Information on the airport you'll fly into in Boston

Cabin class types available on flights to Washington

Complete your trip to Boston with a hotel stay or car rental

Find direct flights for Boston

Flights to other popular destinations

Flights from domestic origins to Boston

Choose which airport to fly into in Boston

Find deals for your return flight