Route guide
Cheap Flights from Chicago to London
Chicago to London flight insights
Average flight time
7h 55m
ORD → LHR
Cheapest month
February
Based on cached fare history
Cheapest cached price
$314
Checking live fares…
Live fare checked: Aug 9, 2026
Planning a trip from Chicago to London? According to live flight data on Eazair, the average flight time is 7h 55m. Live fares on Eazair currently start at $314, but historically, booking your trip in February yields the best travel deals.
Route Quick Facts
| Origin | Chicago (ORD) |
|---|---|
| Destination | London (LHR) |
| Average Flight Time | 7h 55m |
| Cheapest Month to Fly | February |
| Current Lowest Fare | $314 USD |
Flight deals from Chicago to London
Compare flight deals from Chicago to London. We search hundreds of airlines and travel agencies to find you the best price. Fares on this route are refreshed live from our partner network, so the price you see is the price you follow through to the provider — EAZAIR never adds a fee.
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