AirHint found the following cheapest return flights from Dallas (DAL) to Barcelona (BCN) in March 2026 (see full year).

Return flights

17 Mar - 24 Mar	Delta
16 Mar - 23 Mar	Delta
30 Mar - 06 Apr	Delta
28 Mar - 04 Apr	Delta
13 Mar - 16 Mar	Delta
24 Mar - 31 Mar	KLM
29 Mar - 05 Apr	KLM
27 Mar - 03 Apr	Delta
07 Mar - 17 Mar	Air France
20 Mar - 04 Apr	Air France
07 Mar - 14 Mar	Air France
07 Mar - 15 Mar	Air France
06 Mar - 15 Mar	Air France
06 Mar - 16 Mar	Air France
13 Mar - 18 Mar	KLM

Also check the deals for one-way flights from Dallas to Barcelona 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 to Barcelona in March from 568€

Return flights