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>

$119 CHEAP FLIGHTS from Washington to Boston

BOS

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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, Oct 18 - Fri, Oct 24

1:10 pm - 9:46 pmSEA-BOS

5h 36mnonstop

8:20 am - 11:59 amBOS-SEA

6h 39mnonstop

$175JetBlue

Find Deal

Sat, Oct 18 - Fri, Oct 24

1:10 pm - 9:46 pmSEA-BOS

5h 36mnonstop

8:20 am - 11:59 amBOS-SEA

6h 39mnonstop

$178JetBlue

Find Deal

Tue, Sep 30 - Sat, Oct 4

11:05 pm - 10:10 amSEA-BOS

8h 05m1 stop

12:52 pm - 8:09 pmBOS-SEA

10h 17m1 stop

$197American Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

3:59 pm - 12:20 amSEA-BOS

5h 21mnonstop

7:00 am - 10:35 amBOS-SEA

6h 35mnonstop

$201Multiple Airlines

Find Deal

Thu, Oct 30 - Tue, Nov 4

3:59 pm - 12:20 amSEA-BOS

5h 21mnonstop

7:00 am - 10:35 amBOS-SEA

6h 35mnonstop

$205Alaska Airlines

Find Deal

Fri, Oct 24 - Fri, Oct 31

10:54 pm - 12:24 pmSEA-BOS

10h 30m1 stop

5:24 am - 1:46 pmBOS-SEA

11h 22m1 stop

$207American Airlines

Find Deal

Fri, Oct 24 - Fri, Oct 31

10:05 pm - 6:35 amSEA-BOS

5h 30mnonstop

7:20 am - 10:45 amBOS-SEA

6h 25mnonstop

$217Delta

Find Deal

Sat, Oct 18 - Fri, Oct 24

3:35 pm - 11:59 pmSEA-BOS

5h 24mnonstop

8:25 pm - 10:34 amBOS-SEA

17h 09m1 stop

$227Alaska Airlines

Find Deal

Mon, Oct 27 - Sat, Nov 1

10:58 pm - 12:00 pmPDX-BOS

10h 02m1 stop

5:45 am - 12:50 pmBOS-PDX

10h 05m1 stop

$237Delta

Find Deal

Thu, Oct 30 - Thu, Nov 6

7:30 am - 11:59 pmBLI-BOS

13h 29m2 stops

6:00 am - 9:40 pmBOS-BLI

18h 40m2 stops

$386Multiple Airlines

Find Deal

Cheapest round-trip

$175

Overall average: $331

JetBlue

Sat 10/18Fri 10/24

SEA - BOS • Non-stop

Cheapest one-way

$119

Typical prices: $158-328

Delta

Tue 10/21

PDX - BOS • 1 stop

Start a new search

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	January
High season	October
Cheapest flight	$119

Best time to beat the crowds with an average 18% drop in price.

Most popular time to fly and prices are also 4% lower on average.

Flight from Portland 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

Wells

Plymouth

Waltham

Warwick

Middletown

Everett

Gloucester

Concord

York Beach

Woburn

Brookline

West Yarmouth

Revere

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

BOS

$119 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