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 - 19 Mar	Air Canada
17 Mar - 02 Apr	Air Canada
02 Mar - 18 Mar	Air Canada
08 Mar - 24 Mar	Air Canada
11 Mar - 27 Mar	Air Canada
09 Mar - 25 Mar	Air Canada
15 Mar - 31 Mar	Air Canada
04 Mar - 20 Mar	Air Canada
23 Mar - 08 Apr	American Airlines
21 Mar - 06 Apr	Air Canada
01 Mar - 08 Mar	United
26 Mar - 11 Apr	Air Canada
28 Mar - 13 Apr	Air Canada
14 Mar - 30 Mar	Air Canada
12 Mar - 28 Mar	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 $516

Return flights