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 (15 hours 20 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).

฿12,734+ Flights to Aachen

Flights to Aachen in 2025

Return from	฿27,223
One-way from	฿12,734
Popular in	February
Cheapest in	September
Average price	฿33,298

11/8-19/8
4 total stops
58h 30m total
Bangkok to Düsseldorf

Search Deals

17/12
3 total stops
28h 15m total
Bangkok to Aachen

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (฿37,602 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (฿10,801 potential savings vs. average return price).

Search Deals

Average for return flights in July 2025

Search Deals

Find flight deals to Aachen

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 17 July 2025.

Mon 21/708:25BKK - DUS

3 stops39h 45mMultiple Airlines

Sat 18/1006:50DUS - BKK

2 stops29h 35mMultiple Airlines

Deal found 16/7฿26,346

Wed 27/807:05BKK - DUS

1 stop29h 35mFinnair

Wed 29/1018:40DUS - BKK

1 stop36h 35mFinnair

Deal found 15/7฿27,320

Wed 30/712:40DMK - DUS

2 stops23h 45mMultiple Airlines

Sun 10/813:10DUS - DMK

3 stops34h 30mMultiple Airlines

Deal found 16/7฿28,067

Sun 10/802:10BKK - DUS

2 stops38h 40mChina Eastern

Thu 6/1111:30DUS - BKK

2 stops31h 25mChina Eastern

Deal found 15/7฿29,952

Best flights to Aachen
Discover carefully curated flight deals to Aachen that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 July 2025.

Mon 11/802:10BKK - DUS

2 stops24h 45mMultiple Airlines

Tue 19/807:55DUS - BKK

2 stops33h 45mMultiple Airlines

Deal found 15/7฿27,223

Wed 27/807:05BKK - DUS

1 stop29h 35mFinnair

Wed 29/1018:40DUS - BKK

1 stop36h 35mFinnair

Deal found 15/7฿27,320

Sun 10/802:10BKK - DUS

2 stops38h 40mChina Eastern

Thu 6/1111:30DUS - BKK

2 stops31h 25mChina Eastern

Deal found 15/7฿29,952

Sun 27/711:35BKK - DUS

1 stop15h 05mแอร์ฟร้านซ์

Wed 20/809:05DUS - BKK

1 stop19h 10mแอร์ฟร้านซ์

Deal found 16/7฿30,699

Wed 30/712:40DMK - DUS

2 stops23h 45mMultiple Airlines

Sun 10/813:10DUS - DMK

3 stops34h 30mMultiple Airlines

Deal found 16/7฿28,067

Last-minute flights to Aachen
Discover last-minute flight deals to Aachen. Data last updated 17 July 2025 and is based on user searches.

Mon 21/708:25BKK - DUS

3 stops39h 45mMultiple Airlines

Sat 18/1006:50DUS - BKK

2 stops29h 35mMultiple Airlines

Deal found 16/7฿26,346

Tue 22/708:40BKK - DUS

1 stop34h 05mQatar Airways

Wed 15/1015:25DUS - BKK

1 stop22h 55mQatar Airways

Deal found 16/7฿33,395

Tue 22/711:15BKK - DUS

1 stop15h 05mเตอร์กิชแอร์ไลน์

Sun 19/1010:30DUS - BKK

1 stop13h 45mเตอร์กิชแอร์ไลน์

Deal found 16/7฿33,947

Tue 22/702:55BKK - DUS

1 stop33h 30mเอทิฮัดแอร์เวย์

Tue 21/1010:50DUS - BKK

1 stop15h 30mเอทิฮัดแอร์เวย์

Deal found 16/7฿34,565

Tue 22/720:35BKK - DUS

2 stops44h 15mGaruda Indonesia

Sun 19/1014:30DUS - BKK

2 stops41h 40mGaruda Indonesia

Deal found 16/7฿44,278

Wed 23/721:50BKK - DUS

1 stop15h 25mMultiple Airlines

Mon 20/1013:30DUS - BKK

2 stops31h 20mMultiple Airlines

Deal found 16/7฿27,905

Wed 23/712:05BKK - DUS

2 stops35h 25mITA Airways

Mon 20/1019:20DUS - BKK

2 stops30h 45mITA Airways

Deal found 16/7฿33,817

Wed 23/723:25BKK - DUS

1 stop19h 50mออสเตรียนแอร์ไลน์

Sun 19/1020:25DUS - BKK

1 stop13h 25mออสเตรียนแอร์ไลน์

Deal found 16/7฿34,824

Thu 24/715:30BKK - DUS

2 stops22h 20mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์

Mon 20/1020:00DUS - BKK

2 stops31h 15mสวิส อินเตอร์เนชั่นแนล แอร์ไลน์

Deal found 16/7฿38,885

Thu 24/723:00BKK - DUS

1 stop13h 40mลุฟท์ฮันซ่า

Fri 17/1019:30DUS - BKK

1 stop13h 40mลุฟท์ฮันซ่า

Deal found 16/7฿39,405

Thu 24/709:55BKK - DUS

1 stop14h 20mEmirates

Sat 18/1021:15DUS - BKK

1 stop34h 15mEmirates

Deal found 16/7฿40,055

Sat 26/707:10BKK - DUS

1 stop33h 00mFinnair

Wed 20/818:45DUS - BKK

1 stop29h 45mFinnair

Deal found 16/7฿28,815

One-way flights to Aachen
Search for one-way flight options to Aachen. Find affordable one-way fares based on user searches. Data last updated 17 July 2025.

Wed 17/1220:40BKK - DUS

3 stops28h 15mMultiple Airlines

Deal found 15/7฿12,734

Mon 4/820:25DMK - DUS

3 stops44h 55mMultiple Airlines

Deal found 16/7฿13,189

Fri 26/912:25BKK - DUS

1 stop14h 35mThai Airways

Deal found 15/7฿15,431

Mon 29/906:45BKK - DUS

1 stop19h 35mเตอร์กิชแอร์ไลน์

Deal found 16/7฿16,535

Mon 17/1115:00BKK - DUS

1 stop32h 55mFinnair

Deal found 15/7฿17,250

Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Mon 11/8

02:10-21:55

2 stops24h 45m

Duesseldorf Intl

Tue 19/8

07:55-22:40

2 stops33h 45m

฿27,223

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 27/8

07:05-07:40

1 stop29h 35m

Duesseldorf Intl

Wed 29/10

18:40-13:15

1 stop36h 35m

฿27,320

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Wed 30/7

12:40-07:25

2 stops23h 45m

Duesseldorf Intl

Sun 10/8

13:10-04:40

3 stops34h 30m

฿28,067

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 10/8

02:10-11:50

2 stops38h 40m

Duesseldorf Intl

Thu 6/11

11:30-00:55

2 stops31h 25m

฿29,952

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Sun 27/7

11:35-21:40

1 stop15h 05m

Duesseldorf Intl

Wed 20/8

09:05-09:15

1 stop19h 10m

฿30,699

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Wed 17/12

20:40-18:55

3 stops28h 15m

฿12,734

BangkokDüsseldorf

DMK - DUS

DMKDUS

Bangkok Don Mueang Intl

Mon 4/8

20:25-12:20

3 stops44h 55m

฿13,189

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Fri 26/9

12:25-22:00

1 stop14h 35m

฿15,431

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Mon 29/9

06:45-21:20

1 stop19h 35m

฿16,535

BangkokDüsseldorf

BKK - DUS

BKKDUS

Bangkok Suvarnabhumi

Mon 17/11

15:00-17:55

1 stop32h 55m

฿17,250

Flights are sorted by cheapest return flights first.

Deals found on 15/7

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?

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 0 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

From ฿694

เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์

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

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

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

Read reviews from past customers who have flown Thai Airways, Finnair, andแอร์ฟร้านซ์ 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.

Thai Airways

7.8

Good

339 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Thai Airways

7.8

Good

339 reviews

Thai Airways

7.8

Good

339 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Finnair

7.6

Good

1,316 reviews

Thai Airways

7.8

Good

339 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

แอร์ฟร้านซ์

7.5

Good

1,466 reviews

Thai Airways

7.8

Good

339 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

เตอร์กิชแอร์ไลน์

7.3

Good

3,901 reviews

Thai Airways

7.8

Good

339 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

China Eastern

7.2

Good

151 reviews

Thai Airways

7.8

Good

339 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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 (15 hours 20 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

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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.

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฿12,734+ 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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Aachen in 2025

Find the latest flights to Aachen in 2025, 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 17 July 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Aachen

Cheapest flights to AachenExplore the most affordable flight options available to Aachen. Find the lowest fares based on data from user searches, with prices last updated on 17 July 2025.

Explore the most affordable flight options available to Aachen. Find the lowest fares based on data from user searches, with prices last updated on 17 July 2025.

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 17 July 2025.

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

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.

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 11 July 2025.

How long is the flight to Aachen?

What are the most popular airlines that fly to Aachen?

What are the cheapest airlines that fly to Aachen?

Rainfall in Aachen by month

Plan your trip to Aachen by taking into account the average rainfall totals by month.

Temperature in Aachen by month

Plan your trip to Aachen by taking into account the average temperature totals by month.

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 17 July 2025.

Read reviews from past customers who have flown Thai Airways, Finnair, andแอร์ฟร้านซ์ 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.

FAQs about flying to Aachen

Can I find cheaper flights to Aachen if I am willing to have stopovers?

What is the best airline to fly to Aachen?

Where does the fastest flight to Aachen depart from?

Does Duesseldorf Intl have rental cars?

Are there hotels close to Duesseldorf Intl?

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.

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?

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

Can Cheapflights find flights to Aachen with no change fees?

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

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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 17 July 2025.