Cheap Flights from Boston to Washington

Cheapest flights from Boston to Washington

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 Boston to Washington. 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

Southwest Airlines

Direct flight

1h 35m

07/14/2026

The cheapest one-way flight from Boston to Washington departs on 07/14/2026, is operated by Southwest Airlines and costs $66

Cheapest round trip flight

$151

American Airlines

Direct flight

3h 30m

09/05/2026

The cheapest roundtrip flight from Boston to Washington departs on 09/05/2026, is operated by American Airlines and costs $151

The fastest flight

1h 35m

Fastest flight from Boston to Washington takes

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

Airfare from Boston to Washington by month

The cost of a one-way flight from Boston to Washington ranges from $63 (October 2026) to $127 (December 2026). On average, the ticket price is about $86–$90.

October 2026

Lowest price

on average:

$63

December 2026

Highest price

on average:

$127

Avg Price

Price dynamics

Flight costs for Boston — Washington fluctuate noticeably — prices go up and down. There's no clear trend, but we've analyzed the data and found some benchmarks.

Cheaper and more expensive periods

Despite the fluctuations, patterns exist: the cheapest period is September 2026–October 2026 — averaging $68. The most expensive is December 2026–April 2027 ($126). The difference reaches 46%.

Best time to buy

With this kind of price behavior, it's worth comparing prices across several months and booking when a good deal appears. A good benchmark is September 2026–October 2026, where you can save up to 46%.

Price predictability

Price spread on this route is 28.9%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.

Airlines operating on route

More than 7 airlines operate flights from Boston to Washington, including JetBlue Airways, United Airlines, American Airlines, Southwest Airlines, Allegiant Air, Frontier Airlines, and Air Canada. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $66, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.

starting at $96

starting at $90

starting at $580

starting at $66

starting at $120

starting at $122

Non-stop flights from Boston to Washington

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

Boston — Washington

BOS — WAS

06/27/2026

Departure

Direct flight

B61955

starting at $305

Boston — Washington

BOS — WAS

07/31/2026

Departure

Direct flight

B62355

starting at $185

Boston — Washington

BOS — WAS

07/04/2026

Departure

Direct flight

UA721

starting at $167

Boston — Washington

BOS — WAS

07/05/2026

Departure

Direct flight

AA852

starting at $580

Boston — Baltimore

BOS — BWI

07/08/2026

Departure

Direct flight

WN3543

starting at $191

Boston — Washington

BOS — WAS

07/14/2026

Departure

Direct flight

B61355

starting at $110

Boston — Washington

BOS — WAS

08/13/2026

Departure

Direct flight

B61055

starting at $96

Schedule of direct flights from Boston to Washington

The airlines on the Boston — Washington route each fly on specific days: JetBlue Airways and American Airlines fly every day except Thursday and Saturday.

JetBlue Airways

Su, Mo, Tu, We, and Fr

starting at $151

American Airlines

Su, Mo, Tu, We, and Fr

starting at $141

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.

•

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

•

Frequently asked questions (FAQ)

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

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

The cheapest flight ticket from Boston to Washington according to data for the last 48 hours costs $66

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

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

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

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

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

The fastest flights from Boston to Washington start from 1 hour 35 minutes in the air.

Which airline can fly direct from Boston to Washington?

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

Special offers and sales on air tickets from Boston to Washington

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 Boston to Washington

Alternative routes

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

•••••••••••••••••••

Boston — Washington

BOS — WAS

06/27/2026

Departure

Direct flight

B61955

starting at $305

Boston — Washington

BOS — WAS

07/31/2026

Departure

Direct flight

B62355

starting at $185

Boston — Washington

BOS — WAS

07/04/2026

Departure

Direct flight

UA721

starting at $167

Boston — Washington

BOS — WAS

07/05/2026

Departure

Direct flight

AA852

starting at $580

Boston — Baltimore

BOS — BWI

07/08/2026

Departure

Direct flight

WN3543

starting at $191

Boston — Washington

BOS — WAS

07/14/2026

Departure

Direct flight

B61355

starting at $110

Boston — Washington

BOS — WAS

08/13/2026

Departure

Direct flight

B61055

starting at $96

Cheapest one way flight

$66

Southwest Airlines

Direct flight

1h 35m

07/14/2026

The cheapest one-way flight from Boston to Washington departs on 07/14/2026, is operated by Southwest Airlines and costs $66

Cheapest round trip flight

$151

American Airlines

Direct flight

3h 30m

09/05/2026

The cheapest roundtrip flight from Boston to Washington departs on 09/05/2026, is operated by American Airlines and costs $151

The fastest flight

1h 35m

Fastest flight from Boston to Washington takes

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

The cheapest flight ticket from Boston to Washington according to data for the last 48 hours costs $66

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

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

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

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

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

The fastest flights from Boston to Washington start from 1 hour 35 minutes in the air.

Which airline can fly direct from Boston to Washington?

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

Price dynamics

Flight costs for Boston — Washington fluctuate noticeably — prices go up and down. There's no clear trend, but we've analyzed the data and found some benchmarks.

Cheaper and more expensive periods

Despite the fluctuations, patterns exist: the cheapest period is September 2026–October 2026 — averaging $68. The most expensive is December 2026–April 2027 ($126). The difference reaches 46%.

Best time to buy

Price predictability

Price spread on this route is 28.9%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.

Cheap Flights from Boston to Washington — $66

Compare airlines, prices, and flight durations for your trip

Cheapest flights from Boston to Washington

Cheapest one way flight

$66

Southwest Airlines

Direct flight

1h 35m

07/14/2026

Cheapest round trip flight

$151

American Airlines

Direct flight

3h 30m

09/05/2026

The fastest flight

1h 35m

Airfare from Boston to Washington by month

October 2026

on average:

$63

December 2026

on average:

$127

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Airlines operating on route

Non-stop flights from Boston to Washington

Schedule of direct flights from Boston to Washington

Boston airports overview

Logan International Airport

Pease Air Force Base

Washington airports overview

Ronald Reagan National Airport

Washington Dulles International Airport

Frequently asked questions (FAQ)

Special offers and sales on air tickets from Boston to Washington

Alternative routes

Logan International Airport

Pease Air Force Base

Ronald Reagan National Airport

Washington Dulles International Airport

Cheapest one way flight

$66

Southwest Airlines

Direct flight

1h 35m

07/14/2026

Cheapest round trip flight

$151

American Airlines

Direct flight

3h 30m

09/05/2026

The fastest flight

1h 35m

Direct flights

Several times a week

Earliest flight

5:45 AM

Latest flight

8:30 PM

Average flight duration

1h 46m

Direct flights count

92

Distance

634km

Timezone difference

0h

October 2026

on average:

$63

December 2026

on average:

$127

Price dynamics

Cheaper and more expensive periods