Cheapest return flights from Denver to Barcelona in April from 437€

AirHint found the following cheapest return flights from Denver (DEN) to Barcelona (BCN) in April 2026 (see full year).

Return flights

09 Apr - 16 Apr Icelandair
21 Apr - 28 Apr Lufthansa
22 Apr - 29 Apr Lufthansa
24 Apr - 29 Apr Icelandair
13 Apr - 20 Apr Lufthansa
20 Apr - 27 Apr Lufthansa
22 Apr - 01 May Frontier Airlines
26 Apr - 03 May Frontier Airlines
12 Apr - 19 Apr Lufthansa
23 Apr - 30 Apr Lufthansa
19 Apr - 26 Apr Air Canada
11 Apr - 18 Apr Air Canada
24 Apr - 01 May Lufthansa

Also check the deals for one-way flights from Denver to Barcelona in April.

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