Cheap flights from Cologne to Bangkok from $768 CGN → BKK, DMK
Cologne Bonn Airport (CGN) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)
The cheapest return found recently is $768 with Ajet, 28 Nov – 12 Dec, found yesterday.
- Cheapest return found recently
- $768, 28 Nov to 12 Dec
- Usual return price
- $746 to $988
- Cheapest month to fly
- November 2026, return fares from $723 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $746 to $988.
Cheapest return found recently
$768
28 Nov – 12 Dec · Ajet
Cologne Bonn Airport (CGN) → Don Mueang International Airport (DMK)
Leaves 3:55 p.m. · Return leaves 3:00 a.m. · 86 h 25 min of travel, both ways together
out 2 stops, back 3 stops
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$768 28 Nov – 12 Decfound yesterdaySee prices for these dates
$723 29 Nov – 12 Decfound 4 days agoSee prices for these dates
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $606 to $835.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 28 Nov to 28 Dec, 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 14-night return fares leaving within 3 days of 28 Nov to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 28 Nov – 12 Dec | $768 | Ajet | Cologne Bonn Airport (CGN) → Don Mueang International Airport (DMK) | out 2 stops, back 3 stops | found yesterday | See prices for these dates |
| 29 Nov – 12 Dec | $723 | Ajet | Cologne Bonn Airport (CGN) → Don Mueang International Airport (DMK) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 28 Dec – 6 Jan 2027 | $1,208 | Turkish Airlines | Cologne Bonn Airport (CGN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $723.
Airlines on the cheapest dates: Ajet, Turkish Airlines.
Premium cabin fares from Cologne to Bangkok
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 28 Nov – 12 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Cologne to Bangkok?
Return
Fares 14 to 29 days before departure were typically 11% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 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 | $851 | $851 | +13% | 8 |
| 7–13 days | $841 | $780 | +11% | 8 |
| 14–29 days | $756 | $669 | Cheapest seen | 27 |
| 30–59 days | $809 | $606 | +7% | 25 |
| 60–89 days | $801 | $703 | +6% | 27 |
| 90–179 days | $777 | $676 | +3% | 43 |
| 180+ days | $817 | $817 | +8% | 13 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Dusseldorf → Bangkok
34 km from Cologne
$664
$104 less than flying from Cologne
31 Mar 2027 – 18 Apr 2027 · DUS → BKK · out 1 stop, back 1 stop
found 9 hours ago
Luxembourg → Bangkok
138 km from Cologne
$787
$19 more than flying from Cologne
29 Nov – 13 Jan 2027 · LUX → BKK · out 2 stops, back 2 stops
found yesterday
Dortmund → Bangkok
73 km from Cologne
$657
$111 less than flying from Cologne
7 Jan 2027 – 20 Jan 2027 · DTM → BKK · out 2 stops, back 2 stops
found 2 days ago
Muenster → Bangkok
123 km from Cologne
$1,115
$347 more than flying from Cologne
17 Nov – 25 Nov · FMO → BKK · out 3 stops, back 2 stops
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Dusseldorf → Bangkok
34 km from Cologne
$354
23 Feb 2027 · DUS → DMK · 2 stops
found 4 days ago
Luxembourg → Bangkok
138 km from Cologne
$412
16 Feb 2027 · LUX → BKK · 3 stops
found yesterday
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 28 Nov – 12 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 Bangkok?
The cheapest return found recently is $768 with Ajet, 28 Nov to 12 Dec, found yesterday. The cheapest return we hold, of any age, is $723 with Ajet, 29 Nov to 12 Dec, found 4 days ago. The cheapest return fare on each of 3 departure dates is usually $746 to $988.
What is the cheapest month to fly from Cologne to Bangkok?
November 2026 is the cheapest month for a return, from $723, 29 Nov to 12 Dec, found 4 days ago.
How far ahead should I book a flight from Cologne to Bangkok?
In 50 days of prices between 24 Sept and 12 Nov, return fares 14 to 29 days before departure were typically 11% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from Cologne to Bangkok?
Between 28 Nov and 28 Dec, Ajet has the cheapest return on 2 of the 3 departure dates we hold, and Turkish Airlines on 1.
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