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

Return flights

16 Mar - 01 Apr	American Airlines
02 Mar - 18 Mar	Iberia
08 Mar - 24 Mar	Iberia
09 Mar - 25 Mar	Iberia
10 Mar - 26 Mar	Iberia
17 Mar - 02 Apr	Iberia
23 Mar - 08 Apr	Iberia
24 Mar - 09 Apr	Iberia
03 Mar - 19 Mar	Air Canada
01 Mar - 08 Mar	Finnair
07 Mar - 23 Mar	Finnair
18 Mar - 03 Apr	Iberia
30 Mar - 15 Apr	Iberia
31 Mar - 16 Apr	Iberia
01 Mar - 17 Mar	Delta
10 Mar - 19 Mar	United
22 Mar - 07 Apr	Air Canada
29 Mar - 14 Apr	British Airways
11 Mar - 27 Mar	Iberia
25 Mar - 10 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Dallas-Fort Worth to Lisbon in March from $441

Return flights