Need help booking?
Unpublished phone-only deals available
BOI to DCA: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Washington (Ronald Reagan Washington National Airport)
2,043 mi
3,289 km · 1,776 nm
4h 28m
estimated nonstop flight time
+2h
time difference · heading east
See live BOI→DCA fares Phone-only fares on this route — call free
Flight time details
2,043 miles nonstop takes roughly 4h 28m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
Near DCA
Frequently asked questions
How far is BOI from DCA?
The flight distance from Boise (BOI) to Washington (DCA) is 2,043 miles (3,289 km, 1,776 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to DCA?
A nonstop flight takes about 4h 28m 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 time difference between Boise and Washington?
Washington is 2 hours ahead of Boise.
What is the cheapest way to fly from BOI to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–DCA that never appear on search engines, with no booking fees.