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

Return flights

17 Mar - 24 Mar	easyJet
05 Mar - 10 Mar	easyJet
26 Mar - 28 Apr	easyJet
07 Mar - 12 Mar	easyJet
05 Mar - 08 Mar	easyJet
23 Mar - 25 Apr	easyJet
19 Mar - 27 Mar	easyJet
29 Mar - 07 Apr	easyJet
30 Mar - 08 Apr	Austrian Airlines
26 Mar - 04 Apr	easyJet
25 Mar - 06 Apr	easyJet
26 Mar - 01 Apr	easyJet
26 Mar - 09 Apr	easyJet
23 Mar - 04 Apr	easyJet
28 Mar - 01 Apr	easyJet
21 Mar - 28 Mar	easyJet
05 Mar - 08 Mar	Icelandair	direct
21 Mar - 28 Mar	Icelandair	direct

Also check the deals for one-way flights from Reykjavik 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 Reykjavik to Barcelona in March from $127

Return flights