AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Lisbon (LIS) in April 2026 (see full year).

Return flights

21 Apr - 29 Apr	Iberia
01 Apr - 08 Apr	Finnair
08 Apr - 24 Apr	American Airlines
13 Apr - 29 Apr	American Airlines
22 Apr - 08 May	American Airlines
28 Apr - 14 May	American Airlines
06 Apr - 22 Apr	Finnair
20 Apr - 30 Apr	Finnair
21 Apr - 07 May	Finnair
27 Apr - 13 May	Finnair
26 Apr - 12 May	Finnair
01 Apr - 17 Apr	Delta
07 Apr - 14 Apr	Air France
19 Apr - 05 May	Delta
20 Apr - 06 May	Delta
05 Apr - 21 Apr	Delta
12 Apr - 28 Apr	Air Canada
29 Apr - 15 May	Air Canada
25 Apr - 11 May	Finnair
16 Apr - 02 May	American Airlines

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

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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Cheapest return flights from Dallas-Fort Worth to Lisbon in April from $509

Return flights