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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–ISA that never appear on search engines, with no booking fees.