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HK$2,228+ 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 25-12. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

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 70,647 searches and data was last updated on 20 November 2025.

Return from

HK$4,650

One-way from

HK$2,228

Popular in

January

Cheapest in

February

Average price

HK$5,686
SWISS
  • SWISS
  • 21-1-25-1
  • 2 total stops
  • 31h 00m total
  • Hong Kong to Düsseldorf
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Etihad Airways
  • Etihad Airways
  • 25-12
  • 1 total stop
  • 18h 25m total
  • Hong Kong to Aachen
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (HK$795 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (HK$402 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
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Find flight deals to Aachen

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 20 November 2025.

Mon 24-1122:40HKG - DUS
1 stop18h 50mMultiple Airlines
Sun 7-1218:40DUS - HKG
1 stop14h 40mMultiple Airlines
Deal found 19-11HK$4,627
Sun 23-1118:05HKG - DUS
1 stop26h 05mQatar Airways
Wed 26-1114:45DUS - HKG
1 stop23h 55mQatar Airways
Deal found 18-11HK$6,387
Mon 22-1208:30HKG - DUS
2 stops31h 40mFinnair
Sat 3-118:40DUS - HKG
2 stops34h 05mFinnair
Deal found 19-11HK$7,275
Wed 24-1222:40HKG - DUS
1 stop22h 05mMultiple Airlines
Thu 1-114:35DUS - HKG
1 stop18h 45mMultiple Airlines
Deal found 19-11HK$7,423
Sun 23-1121:00HKG - DUS
2 stops28h 55mEmirates
Wed 26-1120:45DUS - HKG
1 stop18h 05mEmirates
Deal found 18-11HK$7,532
Thu 25-1221:45HKG - DUS
1 stop18h 25mFinnair
Sat 3-118:40DUS - HKG
2 stops34h 05mFinnair
Deal found 19-11HK$7,586
Wed 24-1222:40HKG - DUS
2 stops19h 15mKLM
Thu 1-114:35DUS - HKG
1 stop18h 45mKLM
Deal found 19-11HK$7,672
Mon 22-1208:30HKG - DUS
2 stops31h 40mFinnair
Thu 1-111:05DUS - HKG
2 stops24h 55mFinnair
Deal found 19-11HK$7,828

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 70,647 searches and data was last updated on 20 November 2025.
Use the filters below to find and compare flights to Aachen that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Wed 21-1

23:30-08:55

1 stop16h 25m

Duesseldorf Intl

Sun 25-1

20:10-17:45

1 stop14h 35m

HK$4,650

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Sun 8-3

23:30-19:05

1 stop26h 35m

Duesseldorf Intl

Thu 12-3

14:55-17:45

1 stop19h 50m

HK$5,257

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Sat 7-3

00:25-13:10

1 stop19h 45m

Duesseldorf Intl

Thu 12-3

14:45-21:40

1 stop23h 55m

HK$6,543

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Mon 22-12

08:30-09:10

2 stops31h 40m

Duesseldorf Intl

Sat 3-1

18:40-11:45

2 stops34h 05m

HK$7,275

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Sun 8-3

21:00-12:30

2 stops22h 30m

Duesseldorf Intl

Thu 12-3

20:45-21:50

1 stop18h 05m

HK$7,438

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Fri 26-12

21:45-17:55

1 stop27h 10m

Duesseldorf Intl

Sat 3-1

18:40-11:45

2 stops34h 05m

HK$7,586

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Tue 23-12

22:40-21:40

1 stop30h 00m

Duesseldorf Intl

Thu 1-1

14:35-16:20

1 stop18h 45m

HK$7,913

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Tue 23-12

22:40-13:55

2 stops22h 15m

Duesseldorf Intl

Thu 1-1

08:15-16:20

1 stop25h 05m

HK$8,093

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Fri 26-12

21:45-17:55

1 stop27h 10m

Duesseldorf Intl

Thu 1-1

11:05-20:40

2 stops26h 35m

HK$8,132

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Fri 26-12

19:35-07:00

1 stop18h 25m

HK$2,228

Flights are sorted by cheapest return flights first.

Deals found on 19-11

Showing 1-10 of 17 results
1
2

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

How long is the flight to Aachen?

On average, a flight from Hong Kong to Aachen takes 16 hours 20 minutes. Flights to Aachen from other popular cities in Hong Kong 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 Hong Kong to Aachen are SWISS, Lufthansa and Finnair.

SWISS
SWISS
From HK$4,531
Lufthansa
Lufthansa
From HK$4,017
Finnair
Finnair
From HK$4,679
Turkish Airlines
Turkish Airlines
From HK$6,022

What are the cheapest airlines that fly to Aachen?

The cheapest airlines flying from Hong Kong to Aachen are Lufthansa, SWISS 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 20 November 2025.
See what other customers who have flown with Finnair, SWISS, andTurkish Airlines to Germany have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Finnair
7.6
Good
1,334 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
SWISS
7.5
Good
1,788 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Turkish Airlines
7.3
Good
4,045 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.
Lufthansa
6.8
Okay
7,579 reviews
Finnair
7.6
Good
1,334 reviews
Check prices

Food

6.7

Crew

8.1

Comfort

7.4

Entertainment

6.9

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Daniel,May 2025

HEL - ARN

This is a very short flight. The crew was all very friendly and helpful. The plane was clean and nice. By the time you're in the air, you're starting to descend. It's painless.

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, Lufthansa is rated the highest out of the airlines that fly to Aachen.

  • How much is a return flight to Aachen?

    A return flight to Aachen will typically cost around HK$1,315, however they can be found for as little as HK$1,236.

  • 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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