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฿10,031+ 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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
20 Mar — 27 Mar1
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 18 February 2026.

Thu 19/312:15
BKK
-
DUS
2 stops26h 00m
Multiple Airlines
Mon 23/309:00
DUS
-
BKK
2 stops41h 10m
Multiple Airlines
Deal found 16/2฿18,780
Fri 6/310:10
BKK
-
DUS
3 stops31h 30m
Multiple Airlines
Tue 10/307:30
DUS
-
BKK
2 stops31h 35m
Multiple Airlines
Deal found 17/2฿19,061
Sat 25/411:55
BKK
-
DUS
2 stops29h 40m
Multiple Airlines
Wed 13/511:00
DUS
-
BKK
1 stop14h 15m
Multiple Airlines
Deal found 18/2฿21,374
Thu 26/311:10
BKK
-
DUS
3 stops53h 20m
Multiple Airlines
Mon 11/511:00
DUS
-
BKK
1 stop14h 15m
Multiple Airlines
Deal found 16/2฿21,436
Fri 13/310:10
BKK
-
DUS
3 stops32h 55m
Multiple Airlines
Wed 18/307:30
DUS
-
BKK
2 stops31h 35m
Multiple Airlines
Deal found 17/2฿21,467
Thu 16/409:45
BKK
-
DUS
2 stops27h 30m
Multiple Airlines
Wed 6/511:00
DUS
-
BKK
1 stop14h 15m
Multiple Airlines
Deal found 14/2฿21,530
Wed 15/409:45
BKK
-
DUS
2 stops27h 50m
Multiple Airlines
Tue 5/511:00
DUS
-
BKK
1 stop14h 15m
Multiple Airlines
Deal found 14/2฿21,624
Thu 16/409:45
BKK
-
DUS
2 stops27h 30m
Multiple Airlines
Thu 7/511:00
DUS
-
BKK
1 stop14h 15m
Multiple Airlines
Deal found 14/2฿21,717
Wed 15/409:45
BKK
-
DUS
2 stops27h 50m
Multiple Airlines
Thu 7/511:00
DUS
-
BKK
1 stop14h 15m
Multiple Airlines
Deal found 14/2฿21,811
Thu 26/211:35
BKK
-
DUS
2 stops30h 05m
Multiple Airlines
Wed 11/309:15
DUS
-
BKK
1 stop26h 45m
Multiple Airlines
Deal found 15/2฿21,874
Thu 16/409:45
BKK
-
DUS
2 stops27h 30m
Multiple Airlines
Tue 21/411:00
DUS
-
BKK
1 stop14h 45m
Multiple Airlines
Deal found 18/2฿21,905
Wed 25/220:10
DMK
-
DUS
2 stops28h 45m
Multiple Airlines
Wed 11/320:05
DUS
-
DMK
3 stops30h 40m
Multiple Airlines
Deal found 15/2฿26,530

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 18 February 2026.

Return from

฿18,780

One-way from

฿10,031

Popular in

April

Cheapest in

January

Average price

฿31,560
19/3-23/3
  • 19/3-23/3
  • 4 total stops
  • 67h 10m total
  • Bangkok to Düsseldorf
Search Deals
1/3
  • 1/3
  • 3 total stops
  • 45h 35m total
  • Bangkok to Aachen
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (฿1,225 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿321 potential savings vs. average return price).
Search Deals
Average for return flights in February 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 18 February 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

Sat 25/4

11:55-12:35

2 stops29h 40m

Duesseldorf Intl

Wed 13/5

11:00-06:15

1 stop14h 15m

฿21,374

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 26/5

20:15-20:25

2 stops29h 10m

Duesseldorf Intl

Wed 17/6

17:10-09:45

3 stops35h 35m

฿22,436

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Mon 13/4

18:25-12:10

2 stops22h 45m

Duesseldorf Intl

Thu 7/5

11:00-06:15

1 stop14h 15m

฿23,217

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Fri 22/5

03:15-08:20

2 stops34h 05m

Duesseldorf Intl

Wed 17/6

11:00-06:15

1 stop14h 15m

฿23,436

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 24/5

15:05-08:15

2 stops46h 10m

Duesseldorf Intl

Wed 17/6

11:00-06:15

1 stop14h 15m

฿24,217

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Fri 17/4

11:55-07:20

2 stops24h 25m

Duesseldorf Intl

Wed 6/5

11:00-06:15

1 stop14h 15m

฿24,342

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sat 23/5

09:45-08:20

2 stops27h 35m

Duesseldorf Intl

Tue 16/6

11:00-06:15

1 stop14h 15m

฿24,373

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sat 23/5

07:05-08:00

1 stop29h 55m

Duesseldorf Intl

Tue 16/6

08:55-05:30

1 stop15h 35m

฿25,030

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Mon 18/5

07:05-08:10

1 stop30h 05m

Duesseldorf Intl

Thu 18/6

11:15-05:30

1 stop37h 15m

฿25,405

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Fri 22/5

07:05-18:00

1 stop15h 55m

Duesseldorf Intl

Wed 17/6

18:45-05:30

1 stop29h 45m

฿25,405

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 40 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 13 February 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 21 hours 15 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 ฿22,806
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
From ฿21,125
ลุฟท์ฮันซ่า
ลุฟท์ฮันซ่า
From ฿27,031
Emirates
Emirates
From ฿39,123

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 18 February 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
3,522 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Emirates
8.1
Very Good
3,522 reviews
Emirates
8.1
Very Good
3,522 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
7.7
Good
1,457 reviews
Emirates
8.1
Very Good
3,522 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Finnair
7.6
Good
1,362 reviews
Emirates
8.1
Very Good
3,522 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
เอทิฮัดแอร์เวย์
7.3
Good
1,401 reviews
Emirates
8.1
Very Good
3,522 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
ลุฟท์ฮันซ่า
6.8
Okay
7,790 reviews
Emirates
8.1
Very Good
3,522 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane

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 (16 hours 50 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?

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