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

Return flights

11 Mar - 24 Mar	Finnair
17 Mar - 24 Mar	Finnair
01 Mar - 17 Mar	Iberia
02 Mar - 18 Mar	Finnair
08 Mar - 24 Mar	Finnair
16 Mar - 01 Apr	American Airlines
10 Mar - 26 Mar	American Airlines
31 Mar - 16 Apr	American Airlines
23 Mar - 08 Apr	Finnair
22 Mar - 07 Apr	Finnair
29 Mar - 14 Apr	Air Canada
09 Mar - 25 Mar	Delta
18 Mar - 03 Apr	American Airlines
24 Mar - 09 Apr	American Airlines
19 Mar - 25 Mar	British Airways
22 Mar - 28 Mar	British Airways
25 Mar - 10 Apr	American Airlines
15 Mar - 31 Mar	Lufthansa
21 Mar - 06 Apr	Air Canada
28 Mar - 13 Apr	Air Canada

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

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 March from $432

Return flights