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LAS to IAD: distance & flight time
Las Vegas (McCarran International Airport) → Washington (Washington Dulles International Airport)
2,061 mi
3,316 km · 1,791 nm
4h 30m
estimated nonstop flight time
+3h
time difference · heading east
See live LAS→IAD fares Phone-only fares on this route — call free
Flight time details
2,061 miles nonstop takes roughly 4h 30m 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
- LAS — McCarran International Airport · Las Vegas, 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 LAS
- HSH · Henderson Executive Airport7 mi away
- VGT · North Las Vegas Airport9 mi away
- LSV · Nellis Air Force Base13 mi away
- INS · Creech Air Force Base45 mi away
Frequently asked questions
How far is LAS from IAD?
The flight distance from Las Vegas (LAS) to Washington (IAD) is 2,061 miles (3,316 km, 1,791 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAS to IAD?
A nonstop flight takes about 4h 30m 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 Las Vegas and Washington?
Washington is 3 hours ahead of Las Vegas.
What is the cheapest way to fly from LAS to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAS–IAD that never appear on search engines, with no booking fees.