AirHint found the following cheapest return flights from Pittsburgh (PIT) to London (LGW) in April 2026 (see full year).
Return flights
| 01 Apr - 28 Apr | Spirit Airlines | ||
| 24 Apr - 29 Apr | jetBlue | ||
| 24 Apr - 01 May | jetBlue | ||
| 15 Apr - 20 Apr | SWISS | ||
| 12 Apr - 19 Apr | Allegiant Air | ||
| 01 Apr - 10 Apr | Icelandair |
Also check the deals for one-way flights from Pittsburgh to London in April.
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