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IAD to AUS: distance & flight time
Washington (Washington Dulles International Airport) → Austin (Austin Bergstrom International Airport)
1,295 mi
2,084 km · 1,125 nm
3h 17m
estimated nonstop flight time
-1h
time difference · heading west
See live IAD→AUS fares Phone-only fares on this route — call free
Flight time details
1,295 miles nonstop takes roughly 3h 17m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- AUS — Austin Bergstrom International Airport · Austin, 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 IAD
Near AUS
- RND · Randolph Air Force Base59 mi away
- GRK · Robert Gray Army Air Field Airport61 mi away
- HLR · Hood Army Air Field65 mi away
- SAT · San Antonio International Airport66 mi away
Frequently asked questions
How far is IAD from AUS?
The flight distance from Washington (IAD) to Austin (AUS) is 1,295 miles (2,084 km, 1,125 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to AUS?
A nonstop flight takes about 3h 17m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IAD to AUS?
Nonstop service on IAD–AUS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 17m nonstop estimate.
What is the time difference between Washington and Austin?
Austin is 1 hour behind Washington.
What is the cheapest way to fly from IAD to AUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–AUS that never appear on search engines, with no booking fees.
Why are some IAD to AUS fares phone-only?
Consolidator contracts let us sell certain IAD–AUS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.