Need help booking?
Unpublished phone-only deals available
ASH to DCA: distance & flight time
Nashua (Boire Field) → Washington (Ronald Reagan Washington National Airport)
396 mi
638 km · 344 nm
1h 31m
estimated nonstop flight time
Same time
time difference · heading southwest
See live ASH→DCA fares Phone-only fares on this route — call free
Flight time details
396 miles nonstop takes roughly 1h 31m gate to gate, flying southwest. 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
- ASH — Boire Field · Nashua, United States
- DCA — Ronald Reagan Washington National Airport · Washington, United States
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.
Near ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 mi away
Near DCA
Frequently asked questions
How far is ASH from DCA?
The flight distance from Nashua (ASH) to Washington (DCA) is 396 miles (638 km, 344 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH to DCA?
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 ASH to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–DCA that never appear on search engines, with no booking fees.