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IAD to LAM: distance & flight time
Washington (Washington Dulles International Airport) → Los Alamos (Los Alamos Airport)
1,589 mi
2,557 km · 1,381 nm
3h 35m
estimated nonstop flight time
-2h
time difference · heading west
See live IAD→LAM fares Phone-only fares on this route — call free
Flight time details
1,589 miles nonstop takes roughly 3h 35m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- LAM — Los Alamos Airport · Los Alamos, 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 LAM
- SAF · Santa Fe Municipal Airport21 mi away
- TSM · Taos Regional Airport52 mi away
- ABQ · Albuquerque International Sunport61 mi away
- LVS · Las Vegas Municipal Airport65 mi away
Frequently asked questions
How far is IAD from LAM?
The flight distance from Washington (IAD) to Los Alamos (LAM) is 1,589 miles (2,557 km, 1,381 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to LAM?
A nonstop flight takes about 3h 35m 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 Washington and Los Alamos?
Los Alamos is 2 hours behind Washington.
What is the cheapest way to fly from IAD to LAM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–LAM that never appear on search engines, with no booking fees.