Find flights
Airlines

฿15,542+ 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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
15 Apr — 22 Apr1
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 16 March 2026.

Sat 28/320:40
BKK
-
DUS
1 stop15h 55m
เอทิฮัดแอร์เวย์
Tue 12/511:00
DUS
-
BKK
1 stop14h 30m
เอทิฮัดแอร์เวย์
Deal found 12/3฿25,570
Thu 7/509:05
BKK
-
DUS
1 stop35h 40m
Multiple Airlines
Tue 12/511:00
DUS
-
BKK
1 stop14h 45m
Multiple Airlines
Deal found 13/3฿25,602
Sat 18/415:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Sun 26/411:00
DUS
-
BKK
1 stop20h 20m
เอทิฮัดแอร์เวย์
Deal found 11/3฿25,634
Tue 21/415:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Tue 28/411:00
DUS
-
BKK
1 stop14h 30m
เอทิฮัดแอร์เวย์
Deal found 12/3฿25,667
Sat 4/415:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Sat 9/511:00
DUS
-
BKK
1 stop14h 45m
เอทิฮัดแอร์เวย์
Deal found 13/3฿25,731
Sun 29/321:00
BKK
-
DUS
1 stop15h 35m
เอทิฮัดแอร์เวย์
Fri 15/511:00
DUS
-
BKK
1 stop14h 30m
เอทิฮัดแอร์เวย์
Deal found 13/3฿25,796
Sat 25/415:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Fri 29/511:00
DUS
-
BKK
1 stop14h 30m
เอทิฮัดแอร์เวย์
Deal found 13/3฿25,860
Mon 30/321:00
BKK
-
DUS
1 stop15h 35m
เอทิฮัดแอร์เวย์
Sat 9/511:00
DUS
-
BKK
1 stop14h 15m
เอทิฮัดแอร์เวย์
Deal found 13/3฿25,892
Sat 4/415:55
BKK
-
DUS
1 stop20h 40m
เอทิฮัดแอร์เวย์
Fri 15/511:00
DUS
-
BKK
1 stop14h 30m
เอทิฮัดแอร์เวย์
Deal found 13/3฿25,925
Thu 30/403:15
BKK
-
DUS
2 stops35h 50m
Multiple Airlines
Wed 6/521:00
DUS
-
BKK
3 stops28h 30m
Multiple Airlines
Deal found 13/3฿26,086
Fri 27/320:40
BKK
-
DUS
1 stop16h 15m
เอทิฮัดแอร์เวย์
Sat 9/511:00
DUS
-
BKK
1 stop14h 45m
เอทิฮัดแอร์เวย์
Deal found 12/3฿26,118
Mon 11/513:35
DMK
-
DUS
2 stops23h 00m
Multiple Airlines
Sat 16/511:00
DUS
-
DMK
2 stops21h 00m
Multiple Airlines
Deal found 16/3฿29,052

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 16 March 2026.

Return from

฿25,570

One-way from

฿15,542

Popular in

April

Cheapest in

January

Average price

฿35,856
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 28/3-12/5
  • 2 total stops
  • 30h 25m total
  • Bangkok to Düsseldorf
Search Deals
31/3
  • 31/3
  • 3 total stops
  • 24h 40m total
  • Bangkok to Aachen
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿2,493 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿408 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 16 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
Fastest return journey

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 31/5

21:00-07:35

1 stop15h 35m

Duesseldorf Intl

Mon 15/6

11:00-06:15

1 stop14h 15m

฿26,699

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 5/4

03:15-07:35

1 stop33h 20m

Duesseldorf Intl

Wed 13/5

11:00-06:15

1 stop14h 15m

฿26,699

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 5/4

03:15-07:35

1 stop33h 20m

Duesseldorf Intl

Thu 14/5

11:00-06:30

1 stop14h 30m

฿26,699

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Fri 26/6

09:15-07:35

1 stop27h 20m

Duesseldorf Intl

Wed 23/9

21:30-06:15

1 stop27h 45m

฿27,085

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Sun 3/5

06:45-08:25

3 stops30h 40m

Duesseldorf Intl

Sat 23/5

11:00-09:30

2 stops17h 30m

฿29,181

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Tue 7/4

10:05-07:35

2 stops26h 30m

Duesseldorf Intl

Wed 27/5

11:00-12:15

2 stops20h 15m

฿30,149

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Fri 15/5

10:40-10:05

3 stops28h 25m

Duesseldorf Intl

Thu 4/6

11:00-15:35

2 stops23h 35m

฿30,568

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sat 4/4

03:15-07:35

1 stop33h 20m

Duesseldorf Intl

Tue 12/5

11:00-06:45

1 stop14h 45m

฿30,600

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Fri 29/5

07:45-10:05

3 stops31h 20m

Duesseldorf Intl

Mon 24/8

11:00-10:55

2 stops18h 55m

฿30,697

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Thu 2/4

15:55-07:35

1 stop20h 40m

Duesseldorf Intl

Sun 12/4

11:00-23:50

1 stop31h 50m

฿30,955

Flights are sorted by cheapest return flights first.

Deals found on 13/3

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

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 50 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.

เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
From ฿21,798
Finnair
Finnair
From ฿25,196
ลุฟท์ฮันซ่า
ลุฟท์ฮันซ่า
From ฿28,318
Emirates
Emirates
From ฿40,371

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 16 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.
Emirates
8.1
Very Good
3,543 reviews
Check prices

Food

7.9

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

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
3,543 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Food

7.9

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

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
7.8
Good
1,471 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Food

7.9

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

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
1,371 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Food

7.9

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

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
3,737 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Food

7.9

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

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
7,850 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Food

7.9

Entertainment

8.2

Overall

8.1

Boarding

8.1

Comfort

8.0

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 (14 hours 40 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Aachen by cabin class

Find flights to Aachen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Premium Economy Class
Economy class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Aachen?

Deals for Aachen flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to Aachen?

Cheapflights simply makes it quick and affordable to book flights to Aachen by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

Can Cheapflights notify me if prices for flights to Aachen become cheaper?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.