Cheapest return flights from Dallas to Lisbon in May from 663€

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

Return flights

03 May - 15 May Air France
12 May - 19 May Delta
01 May - 11 May Air France
25 May - 01 Jun Delta
08 May - 14 May Air France
19 May - 29 May Condor
15 May - 26 May Air France
29 May - 07 Jun Air France

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

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