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ISA to DCA: distance & flight time
Mount Isa (Mount Isa Airport) → Washington (Ronald Reagan Washington National Airport)
9,935 mi
15,989 km · 8,634 nm
19h 57m
estimated nonstop flight time
-14h
time difference · heading northeast
See live ISA→DCA fares Phone-only fares on this route — call free
Flight time details
9,935 miles nonstop takes roughly 19h 57m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- ISA — Mount Isa Airport · Mount Isa, Australia
- 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 ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 mi away
Near DCA
Frequently asked questions
How far is ISA from DCA?
The flight distance from Mount Isa (ISA) to Washington (DCA) is 9,935 miles (15,989 km, 8,634 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to DCA?
A nonstop flight takes about 19h 57m 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 Mount Isa and Washington?
Washington is 14 hours behind Mount Isa.
What is the cheapest way to fly from ISA to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–DCA that never appear on search engines, with no booking fees.