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฿12,734+ 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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
22 Jul — 29 Jul1
1 adult

Flights to Aachen in 2025

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 17 July 2025.

Return from

฿27,223

One-way from

฿12,734

Popular in

February

Cheapest in

September

Average price

฿33,298
11/8-19/8
  • 11/8-19/8
  • 4 total stops
  • 58h 30m total
  • Bangkok to Düsseldorf
17/12
  • 17/12
  • 3 total stops
  • 28h 15m total
  • Bangkok to Aachen
Highest demand for flights based on searches. 3% potential increase in price (฿37,602 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿10,801 potential savings vs. average return price).
Average for return flights in July 2025

Find flight deals to Aachen

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 17 July 2025.

Mon 21/708:25BKK - DUS
3 stops39h 45mMultiple Airlines
Sat 18/1006:50DUS - BKK
2 stops29h 35mMultiple Airlines
Deal found 16/7฿26,346
Wed 27/807:05BKK - DUS
1 stop29h 35mFinnair
Wed 29/1018:40DUS - BKK
1 stop36h 35mFinnair
Deal found 15/7฿27,320
Wed 30/712:40DMK - DUS
2 stops23h 45mMultiple Airlines
Sun 10/813:10DUS - DMK
3 stops34h 30mMultiple Airlines
Deal found 16/7฿28,067
Sun 10/802:10BKK - DUS
2 stops38h 40mChina Eastern
Thu 6/1111:30DUS - BKK
2 stops31h 25mChina Eastern
Deal found 15/7฿29,952

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 17 July 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

Mon 11/8

02:10-21:55

2 stops24h 45m

Duesseldorf Intl

Tue 19/8

07:55-22:40

2 stops33h 45m

฿27,223

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 27/8

07:05-07:40

1 stop29h 35m

Duesseldorf Intl

Wed 29/10

18:40-13:15

1 stop36h 35m

฿27,320

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Wed 30/7

12:40-07:25

2 stops23h 45m

Duesseldorf Intl

Sun 10/8

13:10-04:40

3 stops34h 30m

฿28,067

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 10/8

02:10-11:50

2 stops38h 40m

Duesseldorf Intl

Thu 6/11

11:30-00:55

2 stops31h 25m

฿29,952

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 27/7

11:35-21:40

1 stop15h 05m

Duesseldorf Intl

Wed 20/8

09:05-09:15

1 stop19h 10m

฿30,699

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 17/12

20:40-18:55

3 stops28h 15m

฿12,734

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Mon 4/8

20:25-12:20

3 stops44h 55m

฿13,189

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Fri 26/9

12:25-22:00

1 stop14h 35m

฿15,431

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Mon 29/9

06:45-21:20

1 stop19h 35m

฿16,535

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Mon 17/11

15:00-17:55

1 stop32h 55m

฿17,250

Flights are sorted by cheapest return flights first.

Deals found on 15/7

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 11 July 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 18 hours 0 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 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 17 July 2025.
Read reviews from past customers who have flown Thai Airways, Finnair, andแอร์ฟร้านซ์ 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.

Crew

8.3

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.5

Entertainment

6.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Crew

8.3

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.5

Entertainment

6.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Crew

8.3

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.5

Entertainment

6.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Crew

8.3

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.5

Entertainment

6.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Crew

8.3

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.5

Entertainment

6.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Crew

8.3

Food

7.3

Overall

7.8

Boarding

7.8

Comfort

7.5

Entertainment

6.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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 (15 hours 20 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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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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