Cheap flights from London to Chicago
Round-trip fares from London (All Airports) (LON) to Chicago O'Hare International Airport (ORD) over the next few months. Cheapest right now: EUR 555. Based on recent samples, August 2026 currently looks like the cheapest month from EUR 555.
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Set a price alert| Depart | Return | Nights | Price | Book |
|---|---|---|---|---|
| Sat 22 Aug | Wed 09 Sept | 18 | EUR 555 | See deal |
| Tue 18 Aug | Tue 25 Aug | 7 | EUR 592 | See deal |
| Tue 07 Jul | Fri 28 Aug | 52 | EUR 731 | See deal |
| Thu 23 Jul | Thu 10 Sept | 49 | EUR 738 | See deal |
| Sat 11 Jul | Sat 01 Aug | 21 | EUR 744 | See deal |
| Tue 21 Jul | Thu 23 Jul | 2 | EUR 800 | See deal |
| Fri 31 Jul | Sat 15 Aug | 15 | EUR 943 | See deal |
Automatic checks 3 times per day. Prices may differ on the booking site due to some delay. Booking links may earn us a commission at no extra cost to you.