Need help booking?
Unpublished phone-only deals available
OLM to IAD: distance & flight time
Olympia (Olympia Regional Airport) → Washington (Washington Dulles International Airport)
2,329 mi
3,749 km · 2,024 nm
5h 2m
estimated nonstop flight time
+3h
time difference · heading east
See live OLM→IAD fares Phone-only fares on this route — call free
Flight time details
2,329 miles nonstop takes roughly 5h 2m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- OLM — Olympia Regional Airport · Olympia, United States
- IAD — Washington Dulles International 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 OLM
- SEA · Seattle Tacoma International Airport43 mi away
- GRF · Gray Army Air Field17 mi away
- CLS · Chehalis Centralia Airport21 mi away
- SHN · Sanderson Field22 mi away
Frequently asked questions
How far is OLM from IAD?
The flight distance from Olympia (OLM) to Washington (IAD) is 2,329 miles (3,749 km, 2,024 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OLM to IAD?
A nonstop flight takes about 5h 2m 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 Olympia and Washington?
Washington is 3 hours ahead of Olympia.
What is the cheapest way to fly from OLM to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OLM–IAD that never appear on search engines, with no booking fees.