JetBlue Airways
Su, Mo, Tu, We, and Fr
starting at $162
American Airlines
Su, Mo, Tu, We, and Fr
starting at $151
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.
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.
The airlines on the Boston — Washington route each fly on specific days: JetBlue Airways and American Airlines fly every day except Thursday and Saturday.
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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.
JetBlue Airways
Su, Mo, Tu, We, and Fr
starting at $162
American Airlines
Su, Mo, Tu, We, and Fr
starting at $151
Boston — Baltimore
05/14/2026
Departure
Direct flight
WN4210
starting at $320
Boston — Baltimore
05/15/2026
Departure
Direct flight
WN4210
starting at $326
Boston — Baltimore
05/16/2026
Departure
Direct flight
WN4552
starting at $324
Boston — Baltimore
05/18/2026
Departure
Direct flight
WN1496
starting at $317
Boston — Washington
09/01/2026
Departure
Direct flight
B61055
starting at $112
Boston — Washington
06/07/2026
Departure
Direct flight
UA1734
starting at $161
Boston — Washington
07/25/2026
Departure
Direct flight
UA2136
starting at $233
starting at $84
starting at $112
starting at $103
starting at $111
starting at $1,757
More than 5 airlines operate flights from Boston to Washington, including Southwest Airlines, JetBlue Airways, United Airlines, American Airlines, and TAP Portugal. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $84, 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.
The cheapest one-way flight from Boston to Washington departs on 09/01/2026, is operated by Southwest Airlines and costs $84
The cheapest roundtrip flight from Boston to Washington departs on 09/03/2026, is operated by JetBlue Airways and costs $150
Fastest flight from Boston to Washington takes 1h 35m
There are direct flights on this route 6 days a week: Su, Mo, Tu, Th, Fr, and Sa
The distance between Boston and Washington is 634km (393 miles). The average flight duration is 1h 46m. There are 92 direct flights from Boston to Washington. Boston and Washington are in the same time zone. Flights from Boston begin at 5:45 AM. The latest flight from Boston departs at 8:30 PM
The cheapest flight ticket from Boston to Washington according to data for the last 48 hours costs $84
Often the best time to buy tickets from Boston to Washington is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Boston to Washington can be found flying in these months: May, June, July.
The fastest flights from Boston to Washington start from 1 hour 35 minutes in the air.
The following airlines operate direct flights on the route Boston — Washington: Southwest Airlines, JetBlue Airways, United Airlines
The cost of a one-way flight from Boston to Washington ranges from $81 (May 2026) to $2,027 (April 2027). On average, the ticket price is about $131–$586.
Prices on the Boston — Washington route are consistently going up. From May 2026 to April 2027, tickets went from $81 to $2,027 — a 2409% increase. This trend is worth considering when planning your trip.
The most significant price increase was from May 2026 to April 2027 — up 2409%. The best time to fly is May 2026–June 2026, when the average price is $93. In July 2026–April 2027, tickets cost around $1,079.
Given the rising prices, it's best not to delay your purchase. Flying in May 2026–June 2026 can save you up to 91% compared to the most expensive months.
Price variation across months on this route is 142%. Your choice of departure month significantly affects the total flight cost.
We couldn't find any special offers for flights from Boston to Washington
