Boston (BOS) Washington (DCA)

Boston Logan International Airport to Ronald Reagan Washington National Airport · 346 nm (641 km) · about 1.5 h nonstop

Cheapest economy fares, checked daily · 2 days of history

Written and maintained by Jake McEwen
BOSDCA

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Economy

last checked 14h ago
$50one-way

American Airlines · nonstop · 1h 52m · travel Dec 8

Lowest (90d)
$50
Typical (median)
$50
Highest (90d)
$50
Checks
2
Cheapest fare seen at each daily check over the last 90 days. Green dots are checks that qualified as a deal.
CheckedFareAirlineStopsTravelSold via
2026-09-10$50American AirlinesnonstopDec 8Book ↗
2026-09-09$50American AirlinesnonstopDec 8Book ↗

Airlines selling the cheapest fares

Which carrier had the lowest fare on each of our checks over the last 90 days.

  • American Airlines ×2

About this route

Boston (BOS) to Washington (DCA) is one of the busiest air routes in its market (US domestic). It links Boston Logan International Airport in United States with Ronald Reagan Washington National Airport in United States. The great-circle distance is about 346 nautical miles (398 statute miles), so expect roughly 1.5 hours in the air nonstop.

Every night we ask our fare provider for the cheapest one-way economy fare other travellers recently found on this route and record it, with the airline and the seller it was found with. A fare is flagged as a deal when it falls at least 30% below the route's 90-day typical price. Prices are a research starting point, not live availability — the booking links open the itinerary so you can confirm what's on sale right now.

Fares are approximate, from public sources, and can be stale — always verify before booking.