฿15,761+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
24 Apr — 1 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 25 March 2026.

Tue 26/515:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Wed 17/611:00
DUS
-
BKK
1 stop14h 15m
เอทิฮัดแอร์เวย์
Deal found 25/3฿26,856
Tue 8/907:05
BKK
-
DUS
1 stop30h 05m
Finnair
Sun 8/1109:55
DUS
-
BKK
1 stop17h 50m
Finnair
Deal found 24/3฿27,052
Sun 19/409:40
BKK
-
DUS
1 stop26h 55m
เอทิฮัดแอร์เวย์
Wed 3/611:00
DUS
-
BKK
1 stop14h 15m
เอทิฮัดแอร์เวย์
Deal found 24/3฿27,117
Tue 5/520:15
BKK
-
DUS
2 stops31h 05m
Multiple Airlines
Tue 12/511:00
DUS
-
BKK
1 stop14h 30m
Multiple Airlines
Deal found 21/3฿27,150
Wed 1/402:30
BKK
-
DUS
2 stops24h 15m
Multiple Airlines
Thu 9/409:35
DUS
-
BKK
1 stop27h 35m
Multiple Airlines
Deal found 24/3฿27,313
Tue 28/415:55
BKK
-
DUS
2 stops27h 30m
Multiple Airlines
Tue 5/516:55
DUS
-
BKK
2 stops20h 15m
Multiple Airlines
Deal found 24/3฿27,346
Sun 19/421:00
BKK
-
DUS
1 stop15h 35m
เอทิฮัดแอร์เวย์
Sun 7/611:00
DUS
-
BKK
1 stop19h 50m
เอทิฮัดแอร์เวย์
Deal found 24/3฿27,444
Sat 30/515:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Tue 9/611:00
DUS
-
BKK
1 stop19h 50m
เอทิฮัดแอร์เวย์
Deal found 22/3฿27,476
Thu 7/509:40
BKK
-
DUS
2 stops27h 35m
Multiple Airlines
Mon 11/517:40
DUS
-
BKK
3 stops23h 35m
Multiple Airlines
Deal found 22/3฿27,705
Fri 8/511:20
BKK
-
DUS
2 stops27h 40m
Multiple Airlines
Fri 15/511:00
DUS
-
BKK
1 stop14h 45m
Multiple Airlines
Deal found 24/3฿27,803
Thu 30/415:55
BKK
-
DUS
2 stops31h 10m
Multiple Airlines
Sun 31/515:55
DUS
-
BKK
2 stops21h 15m
Multiple Airlines
Deal found 21/3฿27,901
Tue 28/416:45
DMK
-
DUS
2 stops19h 50m
Multiple Airlines
Tue 5/511:00
DUS
-
DMK
2 stops21h 00m
Multiple Airlines
Deal found 24/3฿28,749

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 25 March 2026.

Return from

฿26,856

One-way from

฿15,761

Popular in

April

Cheapest in

January

Average price

฿36,287
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 26/5-17/6
  • 2 total stops
  • 34h 55m total
  • Bangkok to Düsseldorf
1/4
  • 1/4
  • 2 total stops
  • 34h 20m total
  • Bangkok to Aachen
Highest demand for flights based on searches. 7% potential increase in price (฿2,523 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿413 potential savings vs. average return price).
Average for return flights in March 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 25 March 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

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Tue 8/9

07:05-08:10

1 stop30h 05m

Duesseldorf Intl

Sun 8/11

09:55-09:45

1 stop17h 50m

฿27,052

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 19/4

09:40-07:35

1 stop26h 55m

Duesseldorf Intl

Wed 3/6

11:00-06:15

1 stop14h 15m

฿27,117

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 5/4

21:00-08:20

1 stop16h 20m

Duesseldorf Intl

Thu 9/4

09:10-18:10

2 stops28h 00m

฿28,423

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Tue 28/4

16:45-07:35

2 stops19h 50m

Duesseldorf Intl

Tue 5/5

11:00-13:00

2 stops21h 00m

฿28,749
Fastest return journey

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 31/5

21:00-07:35

1 stop15h 35m

Duesseldorf Intl

Wed 3/6

11:00-06:15

1 stop14h 15m

฿30,446

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Fri 29/5

15:55-07:35

1 stop20h 40m

Duesseldorf Intl

Wed 3/6

11:00-06:15

1 stop14h 15m

฿30,446

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 27/5

21:00-07:35

1 stop15h 35m

Duesseldorf Intl

Wed 10/6

11:00-06:15

1 stop14h 15m

฿30,609

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 13/5

21:00-07:35

1 stop15h 35m

Duesseldorf Intl

Sun 17/5

11:00-06:45

1 stop14h 45m

฿30,609

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sat 30/5

15:55-07:35

1 stop20h 40m

Duesseldorf Intl

Tue 2/6

11:00-06:15

1 stop14h 15m

฿30,968

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sat 4/4

03:15-13:25

1 stop15h 10m

Duesseldorf Intl

Thu 9/4

15:25-18:20

1 stop21h 55m

฿32,078

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 40 resultsSorted by cheapest first
1
2
3
4

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 March 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 18 hours 35 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 25 March 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.

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Boarding

8.1

Crew

8.3

Food

7.9

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, Phuket City offers the quickest one-way flight (15 hours 15 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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