May is by far the best month, wherein you can get cheapest flights for Keflavik to Barcelona. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Keflavik
00:10
Keflavik International Airport [KEF]
Sat , 01 Aug 2026

Barcelona
09:10
Barcelona International Airport [BCN]
Sat, 01 Aug 2026

Keflavik
09:15
Keflavik International Airport [KEF]
Sat , 01 Aug 2026

Barcelona
23:35
Barcelona International Airport [BCN]
Sat, 01 Aug 2026

Keflavik
10:20
Keflavik International Airport [KEF]
Sat , 01 Aug 2026

Barcelona
20:15
Barcelona International Airport [BCN]
Sat, 01 Aug 2026

Keflavik
09:15
Keflavik International Airport [KEF]
Sat , 01 Aug 2026

Barcelona
19:10
Barcelona International Airport [BCN]
Sat, 01 Aug 2026

Keflavik
10:20
Keflavik International Airport [KEF]
Sat , 01 Aug 2026

Barcelona
19:00
Barcelona International Airport [BCN]
Sat, 01 Aug 2026

Keflavik
16:00
Keflavik International Airport [KEF]
Sat , 01 Aug 2026

Barcelona
20:05
Barcelona International Airport [BCN]
Sun, 02 Aug 2026

Keflavik
08:40
Keflavik International Airport [KEF]
Sat , 01 Aug 2026

Barcelona
20:05
Barcelona International Airport [BCN]
Sat, 01 Aug 2026

Keflavik
17:05
Keflavik International Airport [KEF]
Sat , 01 Aug 2026

Barcelona
19:35
Barcelona International Airport [BCN]
Sun, 02 Aug 2026

Keflavik
20:10
Keflavik International Airport [KEF]
Sun , 31 May 2026

Barcelona
08:45
Barcelona International Airport [BCN]
Mon, 01 Jun 2026

Keflavik
18:35
Keflavik International Airport [KEF]
Sun , 31 May 2026

Barcelona
12:25
Barcelona International Airport [BCN]
Mon, 01 Jun 2026

Keflavik
08:35
Keflavik International Airport [KEF]
Sun , 31 May 2026

Barcelona
20:05
Barcelona International Airport [BCN]
Sun, 31 May 2026









