Cheap Flights from Washington to Boston

Cheapest flights from Washington to Boston

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Washington to Boston. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$71

Frontier Airlines

1 layover

18h 29m

02/14/2026

The cheapest one-way flight from Washington to Boston departs on 02/14/2026, is operated by Frontier Airlines and costs $71

Cheapest round trip flight

$150

Frontier Airlines

1 layover

23h 16m

03/02/2026

The cheapest roundtrip flight from Washington to Boston departs on 03/02/2026, is operated by Frontier Airlines and costs $150

The fastest flight

1h 28m

Fastest flight from Washington to Boston takes 1h 28m

Direct flights

Several times a week

There are direct flights on this route 5 days a week: Su, Mo, Tu, Th, and Fr

Earliest flight

9:00 AM

Latest flight

10:06 PM

Average flight duration

1h 34m

Direct flights count

31

Distance

634km

Timezone difference

0h

The distance between Washington and Boston is 634km (393 miles). The average flight duration is 1h 34m. There are 31 direct flights from Washington to Boston. Washington and Boston are in the same time zone. Flights from Washington begin at 9:00 AM. The latest flight from Washington departs at 10:06 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Washington to Boston by month

In different months, ticket prices from Washington to Boston vary: minimum — $92 (May 2026), maximum — $151 (April 2026). Typically, the flight costs $94–$106.

May 2026

Lowest price

on average:

$92

April 2026

Highest price

on average:

$151

Avg Price

Airlines operating on route

The route Washington — Boston is served by many carriers — 6 in total, including JetBlue Airways, American Airlines, Frontier Airlines, United Airlines, Southwest Airlines, and Spirit Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $71) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

starting at $85

starting at $90

starting at $71

starting at $121

starting at $192

starting at $193

Non-stop flights from Washington to Boston

A non-stop flight is the most convenient and comfortable way to fly from Washington to Boston, despite the fact that sometimes flights with transfers can cost significantly less.

Washington — Boston

WAS — BOS

05/14/2026

Departure

Direct flight

B6954

starting at $85

Washington — Boston

WAS — BOS

02/03/2026

Departure

Direct flight

AA2295

starting at $90

Washington — Boston

WAS — BOS

06/30/2026

Departure

Direct flight

B62454

starting at $91

Washington — Boston

WAS — BOS

07/24/2026

Departure

Direct flight

B61354

starting at $91

Washington — Boston

WAS — BOS

05/03/2026

Departure

Direct flight

B6154

starting at $92

Washington — Boston

WAS — BOS

02/09/2026

Departure

Direct flight

AA3187

starting at $92

Washington — Boston

WAS — BOS

07/20/2026

Departure

Direct flight

B62454

starting at $92

Washington — Boston

WAS — BOS

07/21/2026

Departure

Direct flight

B62454

starting at $92

Washington — Boston

WAS — BOS

07/23/2026

Departure

Direct flight

B61854

starting at $92

Washington — Boston

WAS — BOS

06/19/2026

Departure

Direct flight

AA1550

starting at $93

Schedule of direct flights from Washington to Boston

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Washington to Boston:

American Airlines

starting at $71

JetBlue Airways

starting at $88

United Airlines

Every day

starting at $95

Washington airports overview

Ronald Reagan National Airport

•

DCA

5km

Washington Dulles International Airport

•

IAD

37km

•

Boston airports overview

Logan International Airport

•

BOS

4km

Pease Air Force Base

•

PSM

93km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Washington to Boston?

The cheapest flight ticket from Washington to Boston according to data for the last 48 hours costs $71

When is the best time to buy air tickets on the route Washington — Boston?

Often the best time to buy tickets from Washington to Boston is 2 months before departure.

When is the cheapest time of year to fly from Washington to Boston?

Based on statistics over the past years, the lowest prices for flights from Washington to Boston can be found flying in these months: May, June, July.

How long does it take to fly from Washington to Boston?

The fastest flights from Washington to Boston start from 1 hour 28 minutes in the air.

Which airline can fly direct from Washington to Boston?

The following airlines operate direct flights on the route Washington — Boston: JetBlue Airways, American Airlines

Special offers and sales on air tickets from Washington to Boston

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Washington to Boston

Alternative routes

Baltimore ➜ Boston•Charlottesville ➜ Boston•Hagerstown ➜ Boston•Lancaster ➜ Boston•Philadelphia ➜ Boston•Richmond ➜ Boston•Washington ➜ New Bedford•Washington ➜ New Haven•Washington ➜ Manchester•Washington ➜ New York•Washington ➜ Providence•Washington ➜ Portland•Washington ➜ Stamford

•••••••••••••••••••

Cheapest one way flight

$71

Frontier Airlines

1 layover

18h 29m

02/14/2026

The cheapest one-way flight from Washington to Boston departs on 02/14/2026, is operated by Frontier Airlines and costs $71

Cheapest round trip flight

$150

Frontier Airlines

1 layover

23h 16m

03/02/2026

The cheapest roundtrip flight from Washington to Boston departs on 03/02/2026, is operated by Frontier Airlines and costs $150

The fastest flight