AirHint found the following cheapest one-way flights from Chicago (ORD) to London (LGW) in April 2026 (see full year).
One-Way flights
| 29 Apr | jetBlue | ||
| 07 Apr | jetBlue | ||
| 20 Apr | Icelandair | ||
| 18 Apr | TAP | ||
| 28 Apr | SWISS | ||
| 08 Apr | SWISS |
Also check the deals for return flights from Chicago to London in April.
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