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DCA to BOS: distance & flight time

Washington (Ronald Reagan Washington National Airport) → Boston (General Edward Lawrence Logan International Airport)

399 mi
641 km · 346 nm
1h 31m
estimated nonstop flight time
Same time
time difference · heading northeast
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Flight time details

399 miles nonstop takes roughly 1h 31m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.

The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.

Frequently asked questions

How far is DCA from BOS?

The flight distance from Washington (DCA) to Boston (BOS) is 399 miles (641 km, 346 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from DCA to BOS?

A nonstop flight takes about 1h 31m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.

What is the cheapest way to fly from DCA to BOS?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–BOS that never appear on search engines, with no booking fees.
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