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IAD to LCY: distance & flight time
Washington (Washington Dulles International Airport) → London (London City Airport)
3,688 mi
5,934 km · 3,204 nm
7h 42m
estimated nonstop flight time
+5h
time difference · heading northeast
See live IAD→LCY fares Phone-only fares on this route — call free
Flight time details
3,688 miles nonstop takes roughly 7h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- LCY — London City Airport · London, United Kingdom
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 LCY
- LHR · London Heathrow Airport22 mi away
- LGW · London Gatwick Airport27 mi away
- BQH · London Biggin Hill Airport12 mi away
- NHT · RAF Northolt21 mi away
Frequently asked questions
How far is IAD from LCY?
The flight distance from Washington (IAD) to London (LCY) is 3,688 miles (5,934 km, 3,204 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to LCY?
A nonstop flight takes about 7h 42m 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 London?
London is 5 hours ahead of Washington.
What is the cheapest way to fly from IAD to LCY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–LCY that never appear on search engines, with no booking fees.