Cheap flights from Boston to Washington
From 212 USD — compare hundreds of airlines
About this route
Compare flights from Boston to Washington, a about 634 km route (around 1h 18m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as jetBlue, United Airlines, Silk Avia operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly Boston to Washington?
It's usually 2026-08, from 138 USD. Use the price calendar to compare other dates.
How long is the flight from Boston to Washington?
A nonstop flight takes about 1h 18m and covers around 634 km. Connecting itineraries take longer.
Are there direct flights from Boston to Washington?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Boston to Washington?
jetBlue, United Airlines, Silk Avia operate this route, among others. Compare them all in the results.
When should I book Boston–Washington flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.