Cheap flights from Cologne to Dublin from $28 CGN → DUB
Cologne Bonn Airport (CGN) → Dublin Airport (DUB)
The cheapest return found recently is $149 with Ryanair, 21 Dec – 24 Dec, found 2 days ago. The cheapest one-way found recently is $28 with Ryanair, 4 Dec, found 4 days ago.
- Cheapest one-way found recently
- $28, Ryanair, found 4 days ago
- Cheapest return found recently
- $149, 21 Dec to 24 Dec
- Cheapest month to fly
- December 2026, one-way fares from $28 found in the last 7 days
- Airlines with nonstop flights
- Ryanair
- Shortest nonstop flight found
- 2 h
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$149
21 Dec – 24 Dec · Ryanair
Cologne Bonn Airport (CGN) → Dublin Airport (DUB)
Leaves 6:00 a.m. · Return leaves 11:25 a.m. · 21 h 20 min of travel, both ways together
out 1 stop, back nonstop
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$149 21 Dec – 24 Decfound 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $74 to $154.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 3-night return fares leaving within 3 days of 21 Dec to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Dec – 24 Dec | $149 | Ryanair | Cologne Bonn Airport (CGN) → Dublin Airport (DUB) | out 1 stop, back nonstop | found 2 days ago | See prices for these dates |
Airlines on the cheapest dates: Ryanair.
One-way
The cheapest one-way fare on each of 5 departure dates is usually $29 to $115.
Cheapest one-way found recently
$28
4 Dec · Ryanair
Cologne Bonn Airport (CGN) → Dublin Airport (DUB)
Leaves 11:50 p.m. · 2 h trip
nonstop
found 4 days ago
Cheapest nonstop one-way
$28
4 Dec · Ryanair
Cologne Bonn Airport (CGN) → Dublin Airport (DUB)
Leaves 11:50 p.m. · 2 h trip
nonstop
found 4 days ago
Found recently, and the cheapest we hold
$28 4 Decfound 4 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $17 to $29.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 5 departure dates from 4 Dec to 21 Jun 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 4 Dec to compare.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Dec | $28 | Ryanair | Cologne Bonn Airport (CGN) → Dublin Airport (DUB) | nonstop | found 4 days ago | Open this trip |
| 23 Dec | $115 | Ryanair | Cologne Bonn Airport (CGN) → Dublin Airport (DUB) | nonstop | found 7 days ago | Open this trip |
| 15 Jan 2027 | $29 | Ryanair | Cologne Bonn Airport (CGN) → Dublin Airport (DUB) | nonstop | found 4 days ago | Open this trip |
| 20 Jun 2027 | $124 | Ryanair | Cologne Bonn Airport (CGN) → Dublin Airport (DUB) | nonstop | found 7 days ago | Open this trip |
| 21 Jun 2027 | $113 | Ryanair | Cologne Bonn Airport (CGN) → Dublin Airport (DUB) | 1 stop | found 7 days ago | Open this trip |
Which month looks cheapest?
December 2026 is the cheapest month — from $28.
Airlines on the cheapest dates: Ryanair.
Premium cabin fares from Cologne to Dublin
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 21 Dec – 24 Dec in another cabin: Premium economy · Business · First
Today's prices for 4 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Cologne to Dublin?
Return
Fares 14 to 29 days before departure were typically 49% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $197 | $153 | +95% | 29 |
| 7–13 days | $189 | $101 | +87% | 19 |
| 14–29 days | $101 | $79 | Cheapest seen | 26 |
| 30–59 days | $102 | $76 | +1% | 37 |
| 60–89 days | $112 | $74 | +11% | 28 |
| 90–179 days | $197 | $197 | +95% | 12 |
| 180+ days | $357 | $214 | +254% | 20 |
One-way
Fares 30 to 59 days before departure were typically 51% lower than 7 to 13 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $47 | $25 | +104% | 11 |
| 14–29 days | $27 | $17 | +17% | 36 |
| 30–59 days | $23 | $18 | Cheapest seen | 35 |
| 90–179 days | $48 | $48 | +109% | 7 |
| 180+ days | $96 | $94 | +317% | 18 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Luxembourg → Dublin
138 km from Cologne
$175
$26 more than flying from Cologne
1 Mar 2027 – 4 Mar 2027 · LUX → DUB · out nonstop, back 1 stop
found 3 days ago
Dusseldorf → Dublin
34 km from Cologne
$190
$41 more than flying from Cologne
20 Dec – 27 Dec · DUS → DUB · out nonstop, back nonstop
found 4 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Luxembourg → Dublin
138 km from Cologne
$23
$5 less than flying from Cologne
24 Jan 2027 · LUX → DUB · nonstop
found 2 days ago
Dusseldorf → Dublin
34 km from Cologne
$117
$89 more than flying from Cologne
29 Jul 2027 · DUS → DUB · nonstop
found 6 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 21 Dec – 24 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Cologne to Dublin?
The cheapest return found recently is $149 with Ryanair, 21 Dec to 24 Dec, found 2 days ago.
How much is a one-way flight from Cologne to Dublin?
The cheapest one-way found recently is $28 with Ryanair, 4 Dec, found 4 days ago. The cheapest one-way fare on each of 5 departure dates is usually $29 to $115.
What is the cheapest month to fly from Cologne to Dublin?
December 2026 is the cheapest month for a one-way, from $28, 4 Dec, found 4 days ago.
How far ahead should I book a flight from Cologne to Dublin?
In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 49% lower than 0 to 6 days before departure. One-way fares 30 to 59 days before departure were typically 51% lower than 7 to 13 days before departure.
Is there a direct flight from Cologne to Dublin?
Yes, the cheapest nonstop one-way found recently is $28 with Ryanair, 4 Dec, found 4 days ago.
How long is the flight from Cologne to Dublin?
The cheapest nonstop one-way found recently, with Ryanair on 4 Dec, takes 2 h from Cologne Bonn Airport (CGN) to Dublin Airport (DUB).
Which airlines have the cheapest flights from Cologne to Dublin?
Between 4 Dec and 21 Jun 2027, Ryanair has the cheapest one-way on all 5 departure dates we hold.
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