American Airlines
Fr
starting at $456
JetBlue Airways
Fr
starting at $201
United Airlines
Every day
starting at $190
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.
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.
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.
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Answers to questions about the route that travelers are most interested in.
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.
American Airlines
Fr
starting at $456
JetBlue Airways
Fr
starting at $201
United Airlines
Every day
starting at $190
Washington — Boston
08/24/2026
Departure
Direct flight
AA1164
starting at $510
Washington — Boston
09/18/2026
Departure
Direct flight
B62954
starting at $208
Washington — Boston
09/29/2026
Departure
Direct flight
UA641
starting at $74
Washington — Boston
08/17/2026
Departure
Direct flight
B61254
starting at $223
Washington — Boston
09/21/2026
Departure
Direct flight
B6554
starting at $122
Washington — Boston
08/14/2026
Departure
Direct flight
B6554
starting at $293
Washington — Boston
08/15/2026
Departure
Direct flight
AA1164
starting at $487
Washington — Boston
08/19/2026
Departure
Direct flight
AA4668
starting at $247
Washington — Boston
08/21/2026
Departure
Direct flight
AA3868
starting at $183
starting at $75
starting at $68
starting at $74
starting at $123
The route Washington — Boston is served by many carriers — 4 in total, including American Airlines, JetBlue Airways, United Airlines, and Frontier Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $68) 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.
The cheapest one-way flight from Washington to Boston departs on 08/24/2026, is operated by JetBlue Airways and costs $68
The cheapest roundtrip flight from Washington to Boston departs on 09/03/2026, is operated by Frontier Airlines and costs $150
Fastest flight from Washington to Boston takes 1h 39m
There are direct flights on this route 5 days a week: Mo, Tu, We, Fr, and Sa
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
The cheapest flight ticket from Washington to Boston according to data for the last 48 hours costs $68
Often the best time to buy tickets from Washington to Boston is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Washington to Boston can be found flying in these months: September, August, October.
The fastest flights from Washington to Boston start from 1 hour 39 minutes in the air.
The following airlines operate direct flights on the route Washington — Boston: American Airlines, JetBlue Airways, United Airlines
In different months, ticket prices from Washington to Boston vary: minimum — $46 (September 2026), maximum — $103 (October 2026). Typically, the flight costs $72–$171.
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.
Prices rise from September 2026 to October 2026 (+122%), then decline from August 2026 to September 2026 (32%). The cheapest tickets are in August 2026–September 2026 (averaging $57), while the priciest are in September 2026–October 2026 ($74).
For savings, plan your flight for August 2026–September 2026 — you could save up to 23%. Try to avoid September 2026–October 2026 when possible: prices are at their highest then.
Price spread on this route is 32.1%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
We couldn't find any special offers for flights from Washington to Boston