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IAD to LWT: distance & flight time
Washington (Washington Dulles International Airport) → Lewistown (Lewistown Municipal Airport)
1,698 mi
2,732 km · 1,475 nm
3h 48m
estimated nonstop flight time
-2h
time difference · heading northwest
See live IAD→LWT fares Phone-only fares on this route — call free
Flight time details
1,698 miles nonstop takes roughly 3h 48m gate to gate, flying northwest. 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
- LWT — Lewistown Municipal Airport · Lewistown, 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 LWT
- GTF · Great Falls International Airport94 mi away
- BIL · Billings Logan International Airport96 mi away
- HVR · Havre City County Airport104 mi away
- LVM · Mission Field104 mi away
Frequently asked questions
How far is IAD from LWT?
The flight distance from Washington (IAD) to Lewistown (LWT) is 1,698 miles (2,732 km, 1,475 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to LWT?
A nonstop flight takes about 3h 48m 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 Lewistown?
Lewistown is 2 hours behind Washington.
What is the cheapest way to fly from IAD to LWT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–LWT that never appear on search engines, with no booking fees.