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

$66

American Airlines

Direct flight

1h 32m

10/07/2026

The cheapest one-way flight from Washington to Boston departs on 10/07/2026, is operated by American Airlines and costs $66

Cheapest round trip flight

$119

JetBlue Airways

Direct flight

3h 20m

07/03/2026

The cheapest roundtrip flight from Washington to Boston departs on 07/03/2026, is operated by JetBlue Airways and costs $119

The fastest flight

1h 30m

Fastest flight from Washington to Boston takes 1h 30m

Direct flights

Several times a week

There are direct flights on this route 6 days a week: Su, Tu, We, Th, Fr, and Sa

Earliest flight

6:00 AM

Latest flight

10:16 PM

Average flight duration

1h 30m

Direct flights count

77

Distance

634km

Timezone difference

0h

The distance between Washington and Boston is 634km (393 miles). The average flight duration is 1h 30m. There are 77 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 10:16 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 — $66 (October 2026), maximum — $256 (April 2027). Typically, the flight costs $117–$123.

October 2026

Lowest price

on average:

$66

April 2027

Highest price

on average:

$256

Avg Price

Price dynamics

Flight costs from Washington to Boston climb toward the middle of the period, then start to drop. By choosing the right dates, you can save noticeably.

Cheaper and more expensive periods

Prices rise from June 2026 to August 2026 (+26%), then decline from August 2026 to October 2026 (45%). The cheapest tickets are in September 2026–October 2026 (averaging $73), while the priciest are in October 2026–April 2027 ($161).

Best time to buy

For savings, plan your flight for September 2026–October 2026 — you could save up to 55%. Try to avoid October 2026–April 2027 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 51.1%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Airlines operating on route

The route Washington — Boston is served by many carriers — 5 in total, including American Airlines, JetBlue Airways, United Airlines, Southwest Airlines, and Allegiant Air. This gives passengers wide opportunities: from finding the lowest fare (from $66) 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 $66

starting at $80

starting at $96

starting at $112

starting at $131

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

10/07/2026

Departure

Direct flight

AA1164

starting at $66

Washington — Boston

WAS — BOS

09/29/2026

Departure

Direct flight

B6754

starting at $80

Washington — Boston

WAS — BOS

06/04/2026

Departure

Direct flight

UA755

starting at $96

Baltimore — Boston

BWI — BOS

07/04/2026

Departure

Direct flight

WN4361

starting at $112

Washington — Boston

WAS — BOS

08/02/2026

Departure

Direct flight

UA755

starting at $121

Washington — Boston

WAS — BOS

06/02/2026

Departure

Direct flight

UA688

starting at $129

Washington — Boston

WAS — BOS

06/09/2026

Departure

Direct flight

UA755

starting at $129

Washington — Boston

WAS — BOS

06/26/2026

Departure

Direct flight

UA755

starting at $149

Washington — Boston

WAS — BOS

06/04/2026

Departure

Direct flight

UA688

starting at $188

Washington — Boston

WAS — BOS

04/24/2027

Departure

Direct flight

UA755

starting at $256

Schedule of direct flights from Washington to Boston

The only airline operating direct flights from Washington to Boston is JetBlue Airways. Flights operate every day except Saturday.

JetBlue Airways

Su, Mo, Tu, We, Th, and Fr

starting at $201

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 $66

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: October, September, June.

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

The fastest flights from Washington to Boston start from 1 hour 30 minutes in the air.

Which airline can fly direct from Washington to Boston?

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

•••••••••••••••••••

Cheapest one way flight

$66

American Airlines

Direct flight

1h 32m

10/07/2026

The cheapest one-way flight from Washington to Boston departs on 10/07/2026, is operated by American Airlines and costs $66

Cheapest round trip flight

$119

JetBlue Airways

Direct flight

3h 20m

07/03/2026

The cheapest roundtrip flight from Washington to Boston departs on 07/03/2026, is operated by JetBlue Airways and costs $119

The fastest flight

1h 30m

Fastest flight from Washington to Boston takes 1h 30m

Direct flights

Several times a week

There are direct flights on this route 6 days a week: Su, Tu, We, Th, Fr, and Sa

Earliest flight

6:00 AM

Latest flight

10:16 PM

Average flight duration

1h 30m

Direct flights count

77

Distance

634km

Timezone difference

0h

Washington — Boston

WAS — BOS

10/07/2026

Departure

Direct flight

AA1164

starting at $66

Washington — Boston

WAS — BOS

09/29/2026

Departure

Direct flight

B6754

starting at $80

Washington — Boston

WAS — BOS

06/04/2026

Departure

Direct flight

UA755

starting at $96

Baltimore — Boston

BWI — BOS

07/04/2026

Departure

Direct flight

WN4361

starting at $112

Washington — Boston

WAS — BOS

08/02/2026

Departure

Direct flight

UA755

starting at $121

Washington — Boston

WAS — BOS

06/02/2026

Departure

Direct flight

UA688

starting at $129

Washington — Boston

WAS — BOS

06/09/2026

Departure

Direct flight

UA755

starting at $129

Washington — Boston

WAS — BOS

06/26/2026

Departure

Direct flight

UA755

starting at $149

Washington — Boston

WAS — BOS

06/04/2026

Departure

Direct flight

UA688

starting at $188

Washington — Boston

WAS — BOS

04/24/2027

Departure

Direct flight

UA755

starting at $256

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 $66

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: October, September, June.

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

The fastest flights from Washington to Boston start from 1 hour 30 minutes in the air.

Which airline can fly direct from Washington to Boston?

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

Price dynamics

Flight costs from Washington to Boston climb toward the middle of the period, then start to drop. By choosing the right dates, you can save noticeably.

Cheaper and more expensive periods

Best time to buy

For savings, plan your flight for September 2026–October 2026 — you could save up to 55%. Try to avoid October 2026–April 2027 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 51.1%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Cheap Flights from Washington to Boston — $66

Compare airlines, prices, and flight durations for your trip

Cheapest flights from Washington to Boston

Cheapest one way flight

$66

American Airlines

Direct flight

1h 32m

10/07/2026

Cheapest round trip flight

$119

JetBlue Airways

Direct flight

3h 20m

07/03/2026

The fastest flight

1h 30m

Direct flights

Several times a week

Earliest flight

6:00 AM

Latest flight

10:16 PM

Average flight duration

1h 30m

Direct flights count

77

Distance

634km

Timezone difference

0h

Airfare from Washington to Boston by month

October 2026

on average:

$66

April 2027

on average:

$256

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Airlines operating on route

Non-stop flights from Washington to Boston

Schedule of direct flights from Washington to Boston

Washington airports overview

Ronald Reagan National Airport

Washington Dulles International Airport

Boston airports overview

Logan International Airport

Pease Air Force Base

Frequently asked questions (FAQ)

Special offers and sales on air tickets from Washington to Boston

Alternative routes

Cheapest one way flight

$66

American Airlines

Direct flight

1h 32m

10/07/2026

Cheapest round trip flight

$119

JetBlue Airways

Direct flight

3h 20m

07/03/2026

The fastest flight

1h 30m

Direct flights

Several times a week

Earliest flight

6:00 AM

Latest flight

10:16 PM

Average flight duration

1h 30m

Direct flights count

77

Distance

634km