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HK$2,807+ Cheap flights to Aachen

— DUS
28 Sep — 5 Oct1
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

Mon 12-1023:05 -
1 stop16h 00m
Sun 25-1009:45 -
1 stop16h 50m
Deal found 27-8HK$4,445
Mon 26-1023:30 -
1 stop21h 30m
Wed 4-1118:35 -
1 stop16h 00m
Deal found 25-8HK$4,469
Thu 26-1123:30 -
1 stop16h 20m
Mon 30-1118:35 -
1 stop16h 00m
Deal found 24-8HK$4,492
Tue 27-1023:30 -
1 stop16h 20m
Wed 4-1120:15 -
1 stop14h 20m
Deal found 25-8HK$4,563
Sun 4-1023:05 -
1 stop16h 00m
Tue 20-1015:10 -
1 stop18h 10m
Deal found 28-8HK$4,578
Mon 12-1023:25 -
1 stop21h 05m
Sun 25-1009:45 -
1 stop16h 50m
Deal found 28-8HK$4,672
Mon 26-1023:30 -
1 stop16h 20m
Wed 4-1116:00 -
2 stops17h 30m
Deal found 25-8HK$5,049
Fri 11-1223:30 -
1 stop16h 15m
Thu 7-118:35 -
1 stop16h 00m
Deal found 24-8HK$5,158
Sun 25-1023:30 -
1 stop25h 15m
Wed 4-1118:35 -
1 stop16h 00m
Deal found 25-8HK$5,166
Wed 23-1223:30 -
1 stop16h 20m
Tue 5-118:45 -
1 stop14h 45m
Deal found 27-8HK$5,237

Find flight deals to Aachen

Return from

HK$4,445

One-way from

HK$2,807

Popular in

September

Cheapest in

August

Average price

HK$5,284
SWISS
  • SWISS
  • 12-10-25-10
  • 2 total stops
  • 32h 50m total
  • Hong Kong to Düsseldorf
Search Deals
19-11
  • 19-11
  • 3 total stops
  • 34h 00m total
  • Hong Kong to Aachen
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (HK$423 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$205 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Tue 22-12

23:30-08:50

1 stop16h 20m

Duesseldorf Intl

Tue 5-1

06:20-16:30

1 stop27h 10m

HK$5,480

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Sat 19-9

21:30-19:15

2 stops27h 45m

Duesseldorf Intl

Thu 22-10

15:25-22:05

1 stop24h 40m

HK$6,632

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Mon 21-9

21:30-13:35

2 stops22h 05m

Duesseldorf Intl

Fri 23-10

21:15-22:05

1 stop18h 50m

HK$6,632

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Fri 11-9

21:30-19:15

2 stops27h 45m

Duesseldorf Intl

Tue 15-9

21:15-22:05

1 stop18h 50m

HK$6,640

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Sat 19-9

21:30-19:15

2 stops27h 45m

Duesseldorf Intl

Sat 24-10

21:15-17:40

2 stops38h 25m

HK$6,640

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Mon 12-10

21:30-19:15

2 stops27h 45m

Duesseldorf Intl

Sun 25-10

20:45-21:50

1 stop18h 05m

HK$6,640
Fastest return journey

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Wed 23-12

23:00-11:05

1 stop19h 05m

Duesseldorf Intl

Tue 5-1

14:30-18:45

2 stops21h 15m

HK$6,750

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Tue 1-12

21:00-18:55

2 stops28h 55m

Duesseldorf Intl

Fri 11-12

14:30-21:50

1 stop24h 20m

HK$6,820

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Wed 23-12

22:10-09:10

2 stops42h 00m

Duesseldorf Intl

Tue 5-1

18:40-19:05

1 stop17h 25m

HK$6,860

Hong KongDüsseldorf

HKG Hong Kong Intl - DUS Duesseldorf Intl

HKGDUS

Hong Kong Intl

Fri 23-10

21:30-19:15

2 stops27h 45m

Duesseldorf Intl

Fri 6-11

20:45-21:50

1 stop18h 05m

HK$6,946

Flights are sorted by cheapest return flights first.

Deals found on 25-8

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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

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 15 hours 40 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 airline flying from Hong Kong to Aachen is SWISS.

SWISS
SWISS
From HK$4,561

What are the cheapest airlines that fly to Aachen?

The cheapest airline flying from Hong Kong to Aachen is SWISS.

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

See what other customers who have flown with SWISS 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.
SWISS
7.5
Good
2,060 reviews
Check prices

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.2

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.
SWISS
7.5
Good
2,060 reviews
SWISS
7.5
Good
2,060 reviews
Check prices

Overall

7.5

Entertainment

6.8

Comfort

7.4

Crew

8.2

Boarding

7.7

Food

7.1

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

HKG - ZRH

Particularly good to do immigration in Zurich. The line is way more efficient and you can take a connecting flight in one hour. Great value for money.

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, SWISS 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$1,459, however they can be found for as little as HK$1,276.

  • 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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