AirHint found the following cheapest return flights from Los Angeles (LAX) to Keflavik (KEF) in May 2026 (see full year).
Return flights
| 05 May - 12 May | SWISS | ||
| 04 May - 11 May | Finnair | ||
| 20 May - 13 Jun | Lufthansa | ||
| 22 May - 13 Jun | WestJet |
Also check the deals for one-way flights from Los Angeles to Keflavik in May.
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