Cheapest return flights from Dallas-Fort Worth to Lisbon in May from $741

Best time to book flights for Dallas-Fort Worth (DFW) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in May 2025 (see full year).

Return flights

13 May - 21 May British Airways
14 May - 20 May United
15 May - 23 May United
16 May - 30 May Air Canada
14 May - 28 May Lufthansa
13 May - 27 May Air France
16 May - 24 May Air Canada
31 May - 06 Jun Spirit Airlines
28 May - 05 Jun Spirit Airlines
29 May - 06 Jun Spirit Airlines
27 May - 04 Jun United
26 May - 05 Jun American Airlines
25 May - 03 Jun United
19 May - 27 May British Airways
15 May - 29 May United
20 May - 28 May Spirit Airlines
28 May - 11 Jun Spirit Airlines
26 May - 06 Jun Iberia
26 May - 09 Jun British Airways
19 May - 02 Jun British Airways

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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