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IAD to QLS: distance & flight time
Washington (Washington Dulles International Airport) → Lausanne (Lausanne-Blécherette Airport)
4,093 mi
6,587 km · 3,556 nm
8h 29m
estimated nonstop flight time
+6h
time difference · heading northeast
See live IAD→QLS fares Phone-only fares on this route — call free
Flight time details
4,093 miles nonstop takes roughly 8h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- QLS — Lausanne-Blécherette Airport · Lausanne, Switzerland
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 QLS
- QNJ · Annemasse Airport30 mi away
- QNC · Neuchatel Airport31 mi away
- GVA · Geneva Cointrin International Airport32 mi away
- SIR · Sion Airport41 mi away
Frequently asked questions
How far is IAD from QLS?
The flight distance from Washington (IAD) to Lausanne (QLS) is 4,093 miles (6,587 km, 3,556 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to QLS?
A nonstop flight takes about 8h 29m 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 Lausanne?
Lausanne is 6 hours ahead of Washington.
What is the cheapest way to fly from IAD to QLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–QLS that never appear on search engines, with no booking fees.