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

$55

JetBlue Airways

Direct flight

1h 36m

12/08/2026

The cheapest one-way flight from Washington to Boston departs on 12/08/2026, is operated by JetBlue Airways and costs $55

Cheapest round trip flight

$109

JetBlue Airways

Direct flight

3h 26m

11/07/2026

The cheapest roundtrip flight from Washington to Boston departs on 11/07/2026, is operated by JetBlue Airways and costs $109

The fastest flight

1h 35m

Fastest flight from Washington to Boston takes 1h 35m

Direct flights

Every day

There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa

Earliest flight

6:00 AM

Latest flight

10:30 PM

Average flight duration

1h 41m

Direct flights count

98

Distance

634km

Timezone difference

0h

The distance between Washington and Boston is 634km (393 miles). The average flight duration is 1h 41m. There are 98 direct flights from Washington to Boston. Washington and Boston are in the same time zone. Flights from Washington begin at 6:00 AM. The latest flight from Washington departs at 10:30 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 — $102 (September 2026), maximum — $285 (August 2026). Typically, the flight costs $108–$149.

September 2026

Lowest price

on average:

$102

August 2026

Highest price

on average:

$285

Avg Price

Price dynamics

Ticket prices for Washington — Boston are higher at the start and end of the period but lowest in the middle. This creates a convenient window for booking at a reduced price.

Cheaper and more expensive periods

Prices fall from August 2026 to September 2026 (64%), then rise from September 2026 to October 2026 (+5%). The best period is September 2026–October 2026 ($105), the most expensive is August 2026–September 2026 ($194).

Best time to buy

The best time to buy is September 2026–October 2026, when prices are at their lowest. This can save you up to 46% compared to the expensive months (August 2026–September 2026).

Price predictability

Monthly price variation is 52.6%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.

Airlines operating on route

The route Washington — Boston is served by many carriers — 5 in total, including JetBlue Airways, American Airlines, United Airlines, Southwest Airlines, and Frontier Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $55) 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 $55

starting at $133

starting at $85

starting at $217

starting at $178

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

10/01/2026

Departure

Direct flight

B62754

starting at $464

Washington — Boston

WAS — BOS

10/06/2026

Departure

Direct flight

AA3207

starting at $202

Washington — Boston

WAS — BOS

10/16/2026

Departure

Direct flight

B62454

starting at $352

Washington — Boston

WAS — BOS

10/18/2026

Departure

Direct flight

UA755

starting at $85

Washington — Boston

WAS — BOS

10/18/2026

Departure

Direct flight

AA1015

starting at $371

Washington — Boston

WAS — BOS

10/22/2026

Departure

Direct flight

UA641

starting at $283

Baltimore — Boston

BWI — BOS

10/03/2026

Departure

Direct flight

WN4970

starting at $217

Washington — Boston

WAS — BOS

10/04/2026

Departure

Direct flight

AA4669

starting at $189

Washington — Boston

WAS — BOS

11/30/2026

Departure

Direct flight

B62354

starting at $220

Washington — Boston

WAS — BOS

12/09/2026

Departure

Direct flight

AA3744

starting at $148

Schedule of direct flights from Washington to Boston

A few airlines fly the Washington — Boston route, but only one operates daily: United Airlines flies every day. American Airlines and JetBlue Airways only fly on Friday.

American Airlines

starting at $445

JetBlue Airways

starting at $197

United Airlines

Every day

starting at $185

Washington airports overview

Ronald Reagan National Airport

•

DCA

5km

Convenient for downtown Washington, D.C. and the National Mall, offering primarily domestic and short-haul flights with direct Metro access and quick transfers across the Potomac.

Washington Dulles International Airport

•

IAD

37km

•

Boston airports overview

Logan International Airport

•

BOS

4km

Primary airport serving Boston and the New England region, offering domestic and international flights with multiple terminals and direct public transit, ferry, and road connections to downtown.

Pease Air Force Base

•

PSM

93km

Near Portsmouth, New Hampshire; a joint military–civil airfield serving military operations and civilian flights, convenient for travel to the Seacoast region and southern New Hampshire.

•

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 $55

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: September, November, October.

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

The fastest flights from Washington to Boston start from 1 hour 35 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, United 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

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Cheapest one way flight

$55

JetBlue Airways

Direct flight

1h 36m

12/08/2026

The cheapest one-way flight from Washington to Boston departs on 12/08/2026, is operated by JetBlue Airways and costs $55

Cheapest round trip flight

$109

JetBlue Airways

Direct flight

3h 26m

11/07/2026

The cheapest roundtrip flight from Washington to Boston departs on 11/07/2026, is operated by JetBlue Airways and costs $109

The fastest flight