฿15,678+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
3 May — 10 May1
1 adult
1 adult, Economy, 0 bags

Flights to Aachen in 2026

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 3 April 2026.

Sun 17/509:15
BKK
-
DUS
3 stops33h 40m
Multiple Airlines
Sun 24/516:00
DUS
-
BKK
2 stops21h 10m
Multiple Airlines
Deal found 1/4฿23,877
Sun 31/515:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Thu 2/711:00
DUS
-
BKK
1 stop19h 50m
เอทิฮัดแอร์เวย์
Deal found 3/4฿23,910
Thu 14/503:15
BKK
-
DUS
2 stops21h 45m
Multiple Airlines
Thu 4/618:25
DUS
-
BKK
2 stops24h 25m
Multiple Airlines
Deal found 3/4฿24,204
Fri 1/515:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Wed 29/711:00
DUS
-
BKK
1 stop19h 50m
เอทิฮัดแอร์เวย์
Deal found 1/4฿24,269
Sat 2/515:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Wed 29/711:00
DUS
-
BKK
1 stop14h 15m
เอทิฮัดแอร์เวย์
Deal found 2/4฿24,563
Mon 15/621:00
BKK
-
DUS
1 stop15h 35m
เอทิฮัดแอร์เวย์
Wed 29/711:00
DUS
-
BKK
1 stop26h 10m
เอทิฮัดแอร์เวย์
Deal found 31/3฿24,792
Thu 11/621:00
BKK
-
DUS
1 stop15h 35m
เอทิฮัดแอร์เวย์
Sat 4/711:00
DUS
-
BKK
1 stop26h 10m
เอทิฮัดแอร์เวย์
Deal found 31/3฿24,922
Tue 5/515:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Wed 8/711:00
DUS
-
BKK
1 stop14h 15m
เอทิฮัดแอร์เวย์
Deal found 1/4฿24,955
Fri 15/515:55
BKK
-
DUS
3 stops32h 30m
Multiple Airlines
Fri 22/510:40
DUS
-
BKK
3 stops32h 10m
Multiple Airlines
Deal found 30/3฿25,020
Fri 15/510:40
DMK
-
DUS
3 stops28h 25m
Multiple Airlines
Thu 4/611:00
DUS
-
DMK
2 stops27h 55m
Multiple Airlines
Deal found 1/4฿26,555
Thu 28/508:35
DMK
-
DUS
2 stops28h 00m
Multiple Airlines
Thu 25/611:00
DUS
-
DMK
2 stops30h 20m
Multiple Airlines
Deal found 1/4฿29,038
Thu 17/910:40
DMK
-
DUS
3 stops38h 45m
Multiple Airlines
Fri 15/113:50
DUS
-
DMK
3 stops25h 35m
Multiple Airlines
Deal found 30/3฿29,920

Find flight deals to Aachen

Find the latest flights to Aachen in 2026, 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 3 April 2026.

Return from

฿23,877

One-way from

฿15,678

Popular in

April

Cheapest in

January

Average price

฿37,008
17/5-24/5
  • 17/5-24/5
  • 5 total stops
  • 54h 50m total
  • Bangkok to Düsseldorf
9/5
  • 9/5
  • 3 total stops
  • 46h 20m total
  • Bangkok to Aachen
Highest demand for flights based on searches. 6% potential increase in price (฿2,410 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿366 potential savings vs. average return price).
Average for return flights in April 2026

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 3 April 2026.
Use the filters below to find and compare flights to Aachen that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Fri 15/5

10:40-10:05

3 stops28h 25m

Duesseldorf Intl

Thu 4/6

11:00-19:55

2 stops27h 55m

฿26,555

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 26/4

20:50-08:20

1 stop16h 30m

Duesseldorf Intl

Sun 17/5

11:00-06:30

1 stop14h 30m

฿27,241

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 14/6

03:15-08:15

2 stops34h 00m

Duesseldorf Intl

Sat 4/7

07:20-17:25

2 stops29h 05m

฿29,234

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Wed 13/5

13:35-07:35

2 stops23h 00m

Duesseldorf Intl

Thu 14/5

11:00-20:50

2 stops28h 50m

฿30,018
Fastest return journey

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 6/5

21:00-07:35

1 stop15h 35m

Duesseldorf Intl

Tue 23/6

11:00-06:15

1 stop14h 15m

฿31,259

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 6/5

21:00-07:35

1 stop15h 35m

Duesseldorf Intl

Fri 26/6

11:00-06:15

1 stop14h 15m

฿31,259

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Sun 28/6

17:20-10:45

3 stops22h 25m

Duesseldorf Intl

Fri 17/7

07:05-22:05

3 stops34h 00m

฿33,349

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 28/4

21:10-13:25

1 stop21h 15m

Duesseldorf Intl

Thu 21/5

21:15-18:20

1 stop16h 05m

฿33,611

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Wed 3/6

13:35-07:35

2 stops23h 00m

Duesseldorf Intl

Wed 24/6

11:00-12:00

2 stops20h 00m

฿33,937

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 1/7

09:55-19:15

1 stop14h 20m

Duesseldorf Intl

Mon 3/8

15:25-12:30

1 stop16h 05m

฿34,003

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
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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 2 April 2026.

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 19 hours 17 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 เอทิฮัดแอร์เวย์, เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ and Finnair.

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 3 April 2026.
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.

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

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, เอทิฮัดแอร์เวย์ 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 35 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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Of course! You can track prices for flights to Aachen and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.

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