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MDW to LHR: distance & flight time
Chicago (Chicago Midway International Airport) → London (London Heathrow Airport)
3,945 mi
6,349 km · 3,428 nm
8h 12m
estimated nonstop flight time
+6h
time difference · heading northeast
See live MDW→LHR fares Phone-only fares on this route — call free
Flight time details
3,945 miles nonstop takes roughly 8h 12m 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
- MDW — Chicago Midway International Airport · Chicago, United States
- LHR — London Heathrow 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 MDW
- ORD · Chicago O'Hare International Airport15 mi away
- CGX · Chicago Meigs Airport9 mi away
- GYY · Gary Chicago International Airport21 mi away
- LOT · Lewis University Airport22 mi away
Near LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Frequently asked questions
How far is MDW from LHR?
The flight distance from Chicago (MDW) to London (LHR) is 3,945 miles (6,349 km, 3,428 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MDW to LHR?
A nonstop flight takes about 8h 12m 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 Chicago and London?
London is 6 hours ahead of Chicago.
What is the cheapest way to fly from MDW to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MDW–LHR that never appear on search engines, with no booking fees.