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LOT to IAD: distance & flight time
Lockport (Lewis University Airport) → Washington (Washington Dulles International Airport)
590 mi
949 km · 513 nm
1h 45m
estimated nonstop flight time
+1h
time difference · heading east
See live LOT→IAD fares Phone-only fares on this route — call free
Flight time details
590 miles nonstop takes roughly 1h 45m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- LOT — Lewis University Airport · Lockport, 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 LOT
- ORD · Chicago O'Hare International Airport27 mi away
- JOT · Joliet Regional Airport7 mi away
- DPA · Dupage Airport22 mi away
- MDW · Chicago Midway International Airport22 mi away
Frequently asked questions
How far is LOT from IAD?
The flight distance from Lockport (LOT) to Washington (IAD) is 590 miles (949 km, 513 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LOT to IAD?
A nonstop flight takes about 1h 45m 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 Lockport and Washington?
Washington is 1 hour ahead of Lockport.
What is the cheapest way to fly from LOT to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LOT–IAD that never appear on search engines, with no booking fees.