Washington to Boston flights
The cheapest round trip we found from Washington to Boston is $189 (Dec 10 – 14, 1 stop).
WAS to BOS · Round trip · Economy · Prices per person in USD · Price found (3 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $292 |
| December 2026 | $189 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | No fares found yet |
| April 2027 | No fares found yet |
| May 2027 | $283 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 10 – 14 4 nights · leave Thu$189$189 Book
jetBlue 1 stop · 2h 28m -
Dec 4 – 7 3 nights · leave Fri$205$205 Book
jetBlue 1 stop · 2h 28m
-
Nov 18 – Dec 3 15 nights · leave Wed$292$292 Book
jetBlue 1 stop · 1h 59m
-
Nov 25 – 29 4 nights · leave Wed$473$473 Book
Frontier Airlines 1 stop · 4h 42m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Boston
One Go City pass for Museum of Fine Arts, Isabella Stewart Gardner Museum, Paul Revere House and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 1–7 days from $79 See pass
- Explorer Pass Pick 2–5 of 47 attractions from $54 See pass
Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
Boston · Dec 10 – 14Partner links: we may earn a commission if you book, at no extra cost to you.
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Flights to Boston from other cities
All flights to Boston Flying the other way? Boston to Washington from $190
Washington to Boston: questions
How much does a flight from Washington to Boston cost?
The cheapest round trip we have found right now is $189, leaving December 10 and returning December 14. Prices are per person, economy, in USD.
What is the cheapest month to fly from Washington to Boston?
December 2026, with round trips from $189. The most expensive month in our data is November (from $292). Based on the 3 months ahead we have prices for.
Which airports do Washington to Boston flights use?
Washington airports include Washington Dulles International (IAD) and Ronald Reagan National (DCA). Boston airports include Logan International (BOS) and Pease Air Force Base (PSM). The prices on this page cover every airport in both cities (WAS and BOS are the city codes).
About this route
We track round-trip economy fares from Washington (United States) to Boston (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $189, departing December 10 and returning December 14. The cheapest month to fly in our data is December, from $189. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.