Cheapest return flights from Washington to Barcelona in March from $546

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

Return flights

24 Mar - 13 Apr Frontier Airlines
18 Mar - 25 Mar Turkish Airlines
11 Mar - 17 Mar Turkish Airlines
03 Mar - 09 Mar Air Canada
10 Mar - 18 Mar Turkish Airlines
02 Mar - 10 Mar Air Canada
12 Mar - 19 Mar Turkish Airlines
12 Mar - 18 Mar Turkish Airlines
31 Mar - 09 Apr Turkish Airlines
23 Mar - 08 Apr Air Canada
02 Mar - 09 Mar Air Canada
03 Mar - 10 Mar Air Canada
12 Mar - 16 Mar Turkish Airlines
10 Mar - 10 Apr Turkish Airlines
24 Mar - 11 Apr Frontier Airlines
24 Mar - 08 Apr Frontier Airlines
27 Mar - 12 Apr Allegiant Air
29 Mar - 12 Apr Turkish Airlines
27 Mar - 06 Apr Allegiant Air
30 Mar - 09 Apr Scandinavian Airlines

Also check the deals for one-way flights from Washington to Barcelona in March.

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