March is by far the best month, wherein you can get cheapest flights for Barcelona to Keflavik. 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.

Barcelona
19:00
Barcelona International Airport [BCN]
Wed , 15 Apr 2026

Keflavik
09:40
Keflavik International Airport [KEF]
Thu, 16 Apr 2026

Barcelona
09:45
Barcelona International Airport [BCN]
Sun , 12 Apr 2026

Keflavik
16:15
Keflavik International Airport [KEF]
Sun, 12 Apr 2026

Barcelona
11:50
Barcelona International Airport [BCN]
Sat , 11 Apr 2026

Keflavik
09:50
Keflavik International Airport [KEF]
Sun, 12 Apr 2026

Barcelona
20:40
Barcelona International Airport [BCN]
Wed , 18 Mar 2026

Keflavik
10:45
Keflavik International Airport [KEF]
Thu, 19 Mar 2026

Barcelona
21:15
Barcelona International Airport [BCN]
Sat , 11 Apr 2026

Keflavik
09:30
Keflavik International Airport [KEF]
Sun, 12 Apr 2026

Barcelona
19:45
Barcelona International Airport [BCN]
Sat , 11 Apr 2026

Keflavik
19:10
Keflavik International Airport [KEF]
Sun, 12 Apr 2026

Barcelona
20:00
Barcelona International Airport [BCN]
Wed , 15 Apr 2026

Keflavik
08:20
Keflavik International Airport [KEF]
Thu, 16 Apr 2026

Barcelona
12:35
Barcelona International Airport [BCN]
Sat , 11 Apr 2026

Keflavik
23:55
Keflavik International Airport [KEF]
Sat, 11 Apr 2026

Barcelona
12:35
Barcelona International Airport [BCN]
Sun , 12 Apr 2026

Keflavik
00:10
Keflavik International Airport [KEF]
Mon, 13 Apr 2026

Barcelona
17:25
Barcelona International Airport [BCN]
Sat , 11 Apr 2026

Keflavik
20:00
Keflavik International Airport [KEF]
Sat, 11 Apr 2026

Barcelona
18:40
Barcelona International Airport [BCN]
Wed , 18 Mar 2026

Keflavik
12:50
Keflavik International Airport [KEF]
Thu, 19 Mar 2026









