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

Return flights

03 Mar - 10 Mar	Lufthansa
03 Mar - 12 Mar	United
17 Mar - 02 Apr	Delta
01 Mar - 10 Mar	Delta
09 Mar - 25 Mar	Delta
23 Mar - 08 Apr	Delta
24 Mar - 09 Apr	Delta
24 Mar - 29 Mar	Air France
29 Mar - 14 Apr	Delta
31 Mar - 16 Apr	Delta
03 Mar - 19 Mar	Delta
19 Mar - 30 Mar	Finnair
01 Mar - 17 Mar	Delta
20 Mar - 31 Mar	Finnair
02 Mar - 06 Mar	Frontier Airlines
16 Mar - 01 Apr	Delta
28 Mar - 13 Apr	Delta
28 Mar - 01 Apr	British Airways
18 Mar - 03 Apr	Delta
22 Mar - 07 Apr	Delta

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 390€

Return flights