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UGN to LGW: distance & flight time
Chicago (Waukegan National Airport) → London (London Gatwick Airport)
3,941 mi
6,342 km · 3,424 nm
8h 12m
estimated nonstop flight time
+6h
time difference · heading northeast
See live UGN→LGW fares Phone-only fares on this route — call free
Flight time details
3,941 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
- UGN — Waukegan National Airport · Chicago, United States
- LGW — London Gatwick 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 UGN
- ORD · Chicago O'Hare International Airport31 mi away
- ENW · Kenosha Regional Airport12 mi away
- PWK · Chicago Executive Airport21 mi away
- RAC · John H Batten Airport24 mi away
Near LGW
- LHR · London Heathrow Airport25 mi away
- KRH · Redhill Aerodrome5 mi away
- BQH · London Biggin Hill Airport16 mi away
- ESH · Shoreham Airport22 mi away
Frequently asked questions
How far is UGN from LGW?
The flight distance from Chicago (UGN) to London (LGW) is 3,941 miles (6,342 km, 3,424 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UGN to LGW?
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 UGN to LGW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UGN–LGW that never appear on search engines, with no booking fees.