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฿7,963+ 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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
3 Feb — 10 Feb1
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 4 January 2026.

Wed 11/208:55BKK - DUS
1 stop28h 00mMultiple Airlines
Wed 18/210:45DUS - BKK
2 stops21h 45mMultiple Airlines
Deal found 2/1฿18,162
Mon 19/112:40BKK - DUS
1 stop28h 30mMultiple Airlines
Tue 27/110:45DUS - BKK
2 stops28h 20mMultiple Airlines
Deal found 1/1฿19,924
Mon 19/112:40BKK - DUS
1 stop28h 30mMultiple Airlines
Sun 25/110:50DUS - BKK
2 stops28h 15mMultiple Airlines
Deal found 4/1฿20,113
Mon 19/109:30BKK - DUS
1 stop18h 10mแอร์ฟร้านซ์
Sun 25/106:40DUS - BKK
1 stop18h 50mแอร์ฟร้านซ์
Deal found 4/1฿20,711
Fri 30/110:10BKK - DUS
3 stops28h 40mMultiple Airlines
Fri 6/207:30DUS - BKK
2 stops31h 35mMultiple Airlines
Deal found 2/1฿20,774
Thu 29/122:05BKK - DUS
2 stops26h 50mMultiple Airlines
Fri 6/207:30DUS - BKK
2 stops31h 35mMultiple Airlines
Deal found 3/1฿20,806
Tue 17/210:10BKK - DUS
3 stops28h 40mMultiple Airlines
Tue 24/207:10DUS - BKK
2 stops30h 40mMultiple Airlines
Deal found 3/1฿21,026
Thu 5/320:15BKK - DUS
2 stops22h 15mMultiple Airlines
Fri 13/315:15DUS - BKK
1 stop33h 55mMultiple Airlines
Deal found 3/1฿21,089
Sat 31/1010:15BKK - DUS
1 stop33h 00mMultiple Airlines
Sun 22/1106:25DUS - BKK
2 stops46h 25mMultiple Airlines
Deal found 2/1฿21,120
Wed 23/921:00BKK - DUS
1 stop15h 35mMultiple Airlines
Mon 5/1013:30DUS - BKK
2 stops39h 35mMultiple Airlines
Deal found 2/1฿21,152
Fri 11/921:00BKK - DUS
1 stop15h 35mMultiple Airlines
Fri 2/1008:25DUS - BKK
2 stops20h 40mMultiple Airlines
Deal found 4/1฿21,215
Sat 27/620:50DMK - DUS
3 stops27h 55mMultiple Airlines
Sun 20/918:25DUS - DMK
3 stops39h 20mMultiple Airlines
Deal found 2/1฿24,268

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 4 January 2026.

Return from

฿18,980

One-way from

฿8,404

Popular in

February

Cheapest in

June

Average price

฿31,256
26/1-3/2
  • 26/1-3/2
  • 2 total stops
  • 60h 00m total
  • Bangkok to Düsseldorf
Search Deals
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 28/5
  • 1 total stop
  • 21h 30m total
  • Bangkok to Aachen
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (฿1,124 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿384 potential savings vs. average return price).
Search Deals
Average for return flights in January 2026
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 4 January 2026.
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

Sun 8/3

16:35-13:00

1 stop26h 25m

Duesseldorf Intl

Fri 13/3

15:15-07:10

1 stop33h 55m

฿23,764

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Sat 27/6

20:50-19:45

3 stops27h 55m

Duesseldorf Intl

Sun 20/9

18:25-14:45

3 stops39h 20m

฿24,268

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Tue 3/3

21:25-18:55

2 stops27h 30m

Duesseldorf Intl

Sat 16/5

16:45-21:10

3 stops23h 25m

฿24,299

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 10/3

09:05-13:10

1 stop34h 05m

Duesseldorf Intl

Mon 16/3

14:45-18:25

1 stop21h 40m

฿27,793

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Thu 5/3

08:15-13:10

1 stop34h 55m

Duesseldorf Intl

Thu 12/3

14:45-13:05

1 stop16h 20m

฿27,793

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Thu 5/3

09:05-13:10

1 stop34h 05m

Duesseldorf Intl

Mon 16/3

14:45-19:25

1 stop22h 40m

฿27,793

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Thu 5/3

08:15-13:10

1 stop34h 55m

Duesseldorf Intl

Tue 10/3

14:45-19:25

1 stop22h 40m

฿27,793

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Thu 5/3

08:15-13:10

1 stop34h 55m

Duesseldorf Intl

Wed 11/3

14:45-18:25

1 stop21h 40m

฿27,793

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Fri 6/3

18:55-13:10

1 stop24h 15m

Duesseldorf Intl

Mon 16/3

14:45-19:25

1 stop22h 40m

฿28,517

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sat 7/3

09:05-13:10

1 stop34h 05m

Duesseldorf Intl

Thu 12/3

08:40-13:05

1 stop22h 25m

฿28,612

Flights are sorted by cheapest return flights first.

Deals found on 1/1

Showing 1-10 of 38 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 2 January 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 45 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 Emirates.

Finnair
Finnair
From ฿21,844
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
From ฿21,279
Emirates
Emirates
From ฿37,297
ลุฟท์ฮันซ่า
ลุฟท์ฮันซ่า
From ฿27,228

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 4 January 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.
Emirates
8.1
Very Good
3,456 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Food

7.9

Crew

8.3

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
3,456 reviews
Emirates
8.1
Very Good
3,456 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Food

7.9

Crew

8.3

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
3,456 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Food

7.9

Crew

8.3

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
1,345 reviews
Emirates
8.1
Very Good
3,456 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Food

7.9

Crew

8.3

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
3,698 reviews
Emirates
8.1
Very Good
3,456 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Food

7.9

Crew

8.3

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
7,681 reviews
Emirates
8.1
Very Good
3,456 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Food

7.9

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, 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 (14 hours 10 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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