Cheapest return LAX–LIS flights, May

AirHint found the following cheapest return flights from Los Angeles (LAX) to Lisbon (LIS) in May 2026 (see full year).

Return flights

29 May - 13 Jun Frontier Airlines
28 May - 11 Jun Frontier Airlines
29 May - 07 Jun Frontier Airlines
29 May - 05 Jun Frontier Airlines
29 May - 16 Jun Frontier Airlines
29 May - 08 Jun Frontier Airlines
30 May - 20 Jun Frontier Airlines
31 May - 06 Jun WestJet
27 May - 04 Jun WestJet
28 May - 15 Jun jetBlue
22 May - 27 May Lufthansa
22 May - 30 May Lufthansa
24 May - 31 May SWISS
21 May - 27 May Condor
22 May - 31 May SWISS
23 May - 28 May jetBlue
21 May - 30 May Alaska Airlines
21 May - 31 May Alaska Airlines
23 May - 28 May TAP direct
24 May - 31 May TAP direct

Also check the deals for one-way flights from Los Angeles to Lisbon in May.

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