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฿7,797+ Cheap flights to Aachen

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/12. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Aachen in 2025

Enter your travel dates to find the best prices.

Cheapest flights to Aachen
Explore the most affordable flight options available to Aachen. Find the lowest fares based on data from user searches, with prices last updated on 23 December 2025.

Thu 25/1220:00BKK - DUS
1 stop32h 15mMultiple Airlines
Thu 8/118:35DUS - BKK
2 stops44h 30mMultiple Airlines
Deal found 21/12฿21,021
Thu 25/1220:00BKK - DUS
1 stop32h 15mMultiple Airlines
Sun 11/110:50DUS - BKK
2 stops21h 40mMultiple Airlines
Deal found 21/12฿21,271
Wed 24/1220:40BKK - DUS
1 stop16h 20mMultiple Airlines
Thu 8/110:45DUS - BKK
2 stops28h 20mMultiple Airlines
Deal found 21/12฿21,458
Wed 24/1220:40BKK - DUS
1 stop16h 20mMultiple Airlines
Sun 11/110:50DUS - BKK
2 stops28h 15mMultiple Airlines
Deal found 21/12฿21,614
Thu 25/1220:00BKK - DUS
1 stop32h 15mMultiple Airlines
Sat 10/110:45DUS - BKK
2 stops21h 45mMultiple Airlines
Deal found 21/12฿21,707
Wed 24/1220:40BKK - DUS
1 stop16h 20mMultiple Airlines
Sat 10/110:45DUS - BKK
2 stops27h 05mMultiple Airlines
Deal found 21/12฿21,801
Fri 26/1209:25BKK - DUS
1 stop27h 35mMultiple Airlines
Sun 11/110:50DUS - BKK
2 stops21h 40mMultiple Airlines
Deal found 21/12฿21,926
Fri 26/1209:25BKK - DUS
1 stop27h 35mMultiple Airlines
Thu 8/110:45DUS - BKK
2 stops21h 45mMultiple Airlines
Deal found 21/12฿22,269
Fri 26/1209:25BKK - DUS
1 stop27h 35mMultiple Airlines
Sat 10/110:45DUS - BKK
2 stops21h 45mMultiple Airlines
Deal found 21/12฿22,331
Fri 26/1209:25BKK - DUS
1 stop27h 35mMultiple Airlines
Fri 9/110:45DUS - BKK
2 stops21h 45mMultiple Airlines
Deal found 21/12฿22,892
Sun 28/1209:15BKK - DUS
1 stop18h 40mMultiple Airlines
Thu 8/110:45DUS - BKK
2 stops28h 20mMultiple Airlines
Deal found 21/12฿23,236

Find flight deals to Aachen

Find the latest flights to Aachen in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 23 December 2025.

Return from

฿18,214

One-way from

฿7,797

Popular in

February

Cheapest in

June

Average price

฿30,970
19/1-27/1
  • 19/1-27/1
  • 3 total stops
  • 56h 20m total
  • Bangkok to Düsseldorf
Search Deals
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 29/12
  • 1 total stop
  • 28h 00m total
  • Bangkok to Aachen
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (฿1,208 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿474 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to Aachen that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 23 December 2025.
Use the filters below to find and compare flights to Aachen that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 17/6

11:25-13:50

1 stop31h 25m

Duesseldorf Intl

Mon 14/9

16:45-09:10

1 stop35h 25m

฿21,021

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 16/6

12:05-22:25

1 stop15h 20m

Duesseldorf Intl

Sun 13/9

06:55-09:10

1 stop21h 15m

฿21,115

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 16/6

12:05-11:50

1 stop28h 45m

Duesseldorf Intl

Tue 15/9

11:35-09:10

1 stop16h 35m

฿21,115

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 16/6

12:05-07:40

1 stop24h 35m

Duesseldorf Intl

Mon 14/9

19:25-09:10

1 stop32h 45m

฿21,520

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 2/6

12:05-22:25

1 stop15h 20m

Duesseldorf Intl

Mon 31/8

16:45-09:10

1 stop35h 25m

฿21,614

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Fri 19/6

15:05-07:35

1 stop21h 30m

Duesseldorf Intl

Sun 13/9

10:40-13:25

2 stops21h 45m

฿21,926

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 26/5

12:05-17:40

1 stop34h 35m

Duesseldorf Intl

Wed 17/6

08:15-09:30

1 stop20h 15m

฿23,797

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Thu 5/2

09:00-22:40

2 stops19h 40m

Duesseldorf Intl

Thu 12/2

10:00-07:30

3 stops39h 30m

฿23,984

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 24/2

08:00-17:55

1 stop15h 55m

Duesseldorf Intl

Mon 31/8

11:15-05:30

1 stop37h 15m

฿25,107

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Tue 14/4

20:50-19:25

3 stops27h 35m

Duesseldorf Intl

Mon 4/5

08:25-15:30

2 stops26h 05m

฿25,356

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 34 results
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Best time to book a flight to Aachen

Have a flexible travel schedule? Discover the best time to fly to Aachen with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Aachen

When is the best time to book a flight to Aachen?

Use this chart to determine the optimal time to book a return flight from Bangkok to Aachen. Price data was last updated on 19 December 2025.

The best time to book flights to Aachen is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

How long is the flight to Aachen?

On average, a flight from Bangkok to Aachen takes 21 hours 30 minutes. Flights to Aachen from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Aachen?

The most popular airlines flying from Bangkok to Aachen are Finnair, เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ and ลุฟท์ฮันซ่า.

Finnair
Finnair
From ฿21,644
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
From ฿21,084
ลุฟท์ฮันซ่า
ลุฟท์ฮันซ่า
From ฿26,979
Emirates
Emirates
From ฿35,615

What are the cheapest airlines that fly to Aachen?

The cheapest airlines flying from Bangkok to Aachen are เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์, Finnair and เตอร์กิชแอร์ไลน์.

Rainfall in Aachen by month

Plan your trip to Aachen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Aachen ranges from 30.0 - 80.0 mm per month. July is typically the wettest month, when rainfall can reach 80.0 mm. March is typically the driest time to visit Aachen when rainfall is around 30.0 mm.

Temperature in Aachen by month

Plan your trip to Aachen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Aachen, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing Aachen

Get insights into the airlines that provide service to Aachen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Aachen. Reviews last updated 23 December 2025.
Read reviews from past customers who have flown Emirates, เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์, andFinnair to Germany. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,442 reviews
Check prices

Food

7.9

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Emirates
8.1
Very Good
3,442 reviews
Emirates
8.1
Very Good
3,442 reviews
Check prices

Food

7.9

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
7.7
Good
1,434 reviews
Emirates
8.1
Very Good
3,442 reviews
Check prices

Food

7.9

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Finnair
7.6
Good
1,339 reviews
Emirates
8.1
Very Good
3,442 reviews
Check prices

Food

7.9

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
Qatar Airways
7.4
Good
3,686 reviews
Emirates
8.1
Very Good
3,442 reviews
Check prices

Food

7.9

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers
ลุฟท์ฮันซ่า
6.8
Okay
7,649 reviews
Emirates
8.1
Very Good
3,442 reviews
Check prices

Food

7.9

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

FAQs about flying to Aachen

  • Can I find cheaper flights to Aachen if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Aachen on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Aachen?

    Based on reviews from Cheapflights users, เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ is rated the highest out of the airlines that fly to Aachen.

  • Where does the fastest flight to Aachen depart from?

    For those looking to save time traveling to Aachen, Bangkok offers the quickest one-way flight (21 hours 30 minutes).

  • Does Duesseldorf Intl have rental cars?

    Yes. Those touching down at Duesseldorf Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Duesseldorf Intl?

    Yes. Duesseldorf Intl has hotels nearby for those requiring accommodations. Sheraton Düsseldorf Airport Hotel is the closest property to Duesseldorf Intl (0.0 km away from Duesseldorf Intl).

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets to Aachen?

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Can Cheapflights find flights to Aachen with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights to Aachen, users can toggle the no change fees filter when performing a flight search.

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