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Cologne to Barcelona flights in December 2026 from $25 CGN, QKL, QKU → BCN

Cologne Bonn Airport (CGN), Cologne Hbf Railway Station (QKL), Messe/Deutz Rail Station (QKU) → Barcelona-El Prat Airport (BCN)

For departures in December 2026, the cheapest return found recently is $69 with Ryanair, 12 Dec – 16 Dec, found 2 days ago. The cheapest one-way found recently is $25 with Ryanair, 2 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 16 departure dates is usually $84 to $127. Across all 25 departure dates we hold on this route, it is usually $107 to $148. Of the 2 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$69

12 Dec – 16 Dec · Ryanair

Cologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$60

2 Dec – 18 Dec · Ryanair

Cologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)

out nonstop, back nonstop

found 3 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec – 18 Dec$60Ryanairout nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Dec – 11 Dec$64Ryanairout nonstop, back 1 stopfound 3 days agoSee prices for these dates
12 Dec – 16 Dec$69Ryanairout nonstop, back nonstopfound 2 days agoSee prices for these dates
11 Dec – 14 Dec$72Eurowingsout nonstop, back nonstopfound 8 days agoSee prices for these dates
4 Dec – 8 Dec$88Ryanairout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

16 departure dates

1 Dec – 13 Dec: $108, found 3 days ago2 Dec – 18 Dec: $60, found 3 days ago3 Dec – 11 Dec: $64, found 3 days ago4 Dec – 8 Dec: $88, found 4 days ago6 Dec – 15 Dec: $108, found 2 days ago7 Dec – 9 Dec: $120, found 7 days ago9 Dec – 11 Dec: $127, found 3 days ago11 Dec – 14 Dec: $72, found 8 days ago12 Dec – 16 Dec: $69, found 2 days ago13 Dec – 13 Dec: $121, found 3 days ago17 Dec – 22 Dec: $128, found 6 days ago18 Dec – 20 Dec: $122, found 6 days ago19 Dec – 22 Dec: $188, found 4 days ago21 Dec – 26 Dec: $121, found 6 days ago24 Dec – 3 Jan 2027: $267, found 7 days ago26 Dec – 31 Dec: $162, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 13 Dec$108RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
2 Dec – 18 Dec$60RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Dec – 11 Dec$64RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out nonstop, back 1 stopfound 3 days agoSee prices for these dates
4 Dec – 8 Dec$88RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 4 days agoSee prices for these dates
6 Dec – 15 Dec$108RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
7 Dec – 9 Dec$120Eurowings (Malta)Cologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out 1 stop, back nonstopfound 7 days agoSee prices for these dates
9 Dec – 11 Dec$127EurowingsCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out nonstop, back 1 stopfound 3 days agoSee prices for these dates
11 Dec – 14 Dec$72EurowingsCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 8 days agoSee prices for these dates
12 Dec – 16 Dec$69RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 2 days agoSee prices for these dates
13 Dec – 13 Dec$121RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 3 days agoSee prices for these dates
17 Dec – 22 Dec$128Lauda EuropeCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
18 Dec – 20 Dec$122RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out nonstop, back nonstopfound 6 days agoSee prices for these dates
19 Dec – 22 Dec$188EurowingsCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
21 Dec – 26 Dec$121RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
24 Dec – 3 Jan 2027$267RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
26 Dec – 31 Dec$162RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)out 1 stop, back nonstopfound 3 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $60.

November 2026From $1483 departure dates27 Nov – 1 Dec · found 3 days agoSee prices for these dates
December 2026From $60Cheapest seen16 departure dates2 Dec – 18 Dec · found 3 days agoSee prices for these dates
January 2027From $1411 departure date22 Jan 2027 – 24 Jan 2027 · found 4 days agoSee prices for these dates
February 2027From $1071 departure date16 Feb 2027 – 18 Feb 2027 · found 7 days agoSee prices for these dates
March 2027From $922 departure dates5 Mar 2027 – 8 Mar 2027 · found 2 days agoSee prices for these dates
June 2027From $1232 departure dates15 Jun 2027 – 22 Jun 2027 · found 5 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 4 departure dates is usually $29 to $34. Across all 17 departure dates we hold on this route, it is usually $33 to $71. Of the 2 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$25

2 Dec · Ryanair

Cologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)

nonstop

found 2 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
2 Dec$25Ryanairnonstopfound 2 days agoOpen this trip
4 Dec$30Ryanairnonstopfound 2 days agoOpen this trip
5 Dec$30Malta Airnonstopfound 2 days agoOpen this trip
11 Dec$45Ryanairnonstopfound 2 days agoOpen this trip

Every date we hold

4 departure dates

2 Dec: $25, found 2 days ago4 Dec: $30, found 2 days ago5 Dec: $30, found 2 days ago11 Dec: $45, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec$25RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)nonstopfound 2 days agoOpen this trip
4 Dec$30RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)nonstopfound 2 days agoOpen this trip
5 Dec$30Malta AirCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)nonstopfound 2 days agoOpen this trip
11 Dec$45RyanairCologne Bonn Airport (CGN) → Barcelona-El Prat Airport (BCN)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $25.

November 2026From $311 departure date28 Nov · found 2 days agoOpen this trip
December 2026From $25Cheapest seen4 departure dates2 Dec · found 2 days agoOpen this trip
January 2027From $334 departure dates1 Jan 2027 · found 7 days agoOpen this trip
February 2027From $442 departure dates14 Feb 2027 · found 2 days agoOpen this trip
April 2027From $941 departure date12 Apr 2027 · found 4 days agoOpen this trip
June 2027From $712 departure dates2 Jun 2027 · found 3 days agoOpen this trip
July 2027From $752 departure dates1 Jul 2027 · found 5 days agoOpen this trip
October 2027From $411 departure date27 Oct 2027 · found 7 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work