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

Return flights

17 Mar - 30 Mar	Finnair
10 Mar - 18 Mar	Finnair
22 Mar - 31 Mar	Finnair
03 Mar - 11 Mar	Delta
01 Mar - 17 Mar	Delta
03 Mar - 19 Mar	Delta
02 Mar - 18 Mar	Delta
09 Mar - 25 Mar	Delta
10 Mar - 19 Mar	Delta
08 Mar - 24 Mar	Delta
16 Mar - 01 Apr	Delta
25 Mar - 01 Apr	Finnair
31 Mar - 07 Apr	Finnair
23 Mar - 08 Apr	Delta
22 Mar - 07 Apr	Delta
26 Mar - 02 Apr	Finnair
17 Mar - 02 Apr	Air Canada
31 Mar - 16 Apr	Delta
30 Mar - 15 Apr	Delta
29 Mar - 14 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Dallas-Fort Worth to Lisbon in March from 377€

Return flights