Cheap flights from Chicago to London
The lowest fare found is €257. The cheapest month to fly is October.
Search live pricesSearch round-trip pricesLowest price by month
| October | €257 |
| November | €289 |
| December | €361 |
| January | €272 |
When is the cheapest time to fly from Chicago to London?
Fares are typically lowest in October, starting from €257.
Popular routes
- Chicago → Denver
- Chicago → Istanbul
- Chicago → Los Angeles
- Chicago → New Delhi
- Chicago → Shanghai
- Chicago → Paris
- Chicago → New York
- Chicago → Jakarta
- Chicago → Bangkok
- Chicago → Seoul
- Chicago → Guangzhou
- Chicago → Amsterdam
Prices updated 2026-09-08