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IAG to IAD: distance & flight time
Niagara Falls (Niagara Falls International Airport) → Washington (Washington Dulles International Airport)
298 mi
479 km · 259 nm
1h 15m
estimated nonstop flight time
Same time
time difference · heading south
See live IAG→IAD fares Phone-only fares on this route — call free
Flight time details
298 miles nonstop takes roughly 1h 15m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- IAG — Niagara Falls International Airport · Niagara Falls, 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 IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 mi away
Frequently asked questions
How far is IAG from IAD?
The flight distance from Niagara Falls (IAG) to Washington (IAD) is 298 miles (479 km, 259 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAG to IAD?
A nonstop flight takes about 1h 15m 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 cheapest way to fly from IAG to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAG–IAD that never appear on search engines, with no booking fees.