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HK$2,977+ 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 12-6. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
28 Jun — 5 Jul1
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 29 May 2026.

Mon 15-623:05
HKG
-
DUS
1 stop16h 00m
SWISS
Tue 16-614:50
DUS
-
HKG
1 stop19h 45m
SWISS
Deal found 24-5HK$4,089
Wed 11-1123:30
HKG
-
DUS
1 stop21h 20m
SWISS
Thu 19-1120:10
DUS
-
HKG
1 stop14h 25m
SWISS
Deal found 24-5HK$4,567
Wed 11-1123:30
HKG
-
DUS
1 stop16h 25m
Multiple Airlines
Thu 19-1110:15
DUS
-
HKG
1 stop23h 15m
Multiple Airlines
Deal found 24-5HK$4,669
Mon 8-623:05
HKG
-
DUS
1 stop16h 00m
SWISS
Mon 22-619:55
DUS
-
HKG
1 stop14h 40m
SWISS
Deal found 24-5HK$4,716
Mon 15-623:05
HKG
-
DUS
1 stop16h 00m
SWISS
Wed 17-619:55
DUS
-
HKG
1 stop14h 40m
SWISS
Deal found 24-5HK$4,966
Thu 11-623:25
HKG
-
DUS
1 stop16h 35m
Lufthansa
Wed 24-618:30
DUS
-
HKG
1 stop14h 50m
Lufthansa
Deal found 28-5HK$5,092
Wed 8-723:05
HKG
-
DUS
1 stop16h 00m
Multiple Airlines
Wed 15-715:20
DUS
-
HKG
1 stop18h 00m
Multiple Airlines
Deal found 27-5HK$5,522

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 70,647 searches and data was last updated on 29 May 2026.

Return from

HK$4,089

One-way from

HK$2,977

Popular in

July

Cheapest in

October

Average price

HK$7,285
SWISS
  • SWISS
  • 15-6-16-6
  • 2 total stops
  • 35h 45m total
  • Hong Kong to Düsseldorf
Search Deals
12-6
  • 12-6
  • 3 total stops
  • 47h 45m total
  • Hong Kong to Aachen
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (HK$637 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$156 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 70,647 searches and data was last updated on 29 May 2026.
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
Fastest return journey

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Mon 15-6

23:05-09:05

1 stop16h 00m

Duesseldorf Intl

Wed 17-6

19:55-16:35

1 stop14h 40m

HK$4,966

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Wed 8-7

23:05-09:05

1 stop16h 00m

Duesseldorf Intl

Wed 15-7

15:20-15:20

1 stop18h 00m

HK$5,522

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Fri 11-9

20:10-19:25

1 stop29h 15m

Duesseldorf Intl

Sat 19-9

11:00-09:00

1 stop16h 00m

HK$5,883

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Thu 25-6

23:05-09:05

1 stop16h 00m

Duesseldorf Intl

Thu 2-7

18:30-15:20

1 stop14h 50m

HK$6,423

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Tue 16-6

21:30-13:25

2 stops45h 55m

Duesseldorf Intl

Thu 18-6

15:25-18:15

2 stops44h 50m

HK$6,525

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Mon 15-6

21:30-13:25

2 stops21h 55m

Duesseldorf Intl

Tue 16-6

15:25-18:15

2 stops44h 50m

HK$6,815

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Fri 11-9

19:10-13:25

1 stop24h 15m

Duesseldorf Intl

Sun 20-9

15:25-18:15

2 stops20h 50m

HK$6,838

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Fri 11-9

21:30-19:15

2 stops27h 45m

Duesseldorf Intl

Fri 18-9

21:15-22:05

1 stop18h 50m

HK$6,838

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Fri 11-9

21:30-19:15

2 stops27h 45m

Duesseldorf Intl

Sat 19-9

15:25-22:05

1 stop24h 40m

HK$6,838

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Wed 11-11

21:00-12:30

2 stops22h 30m

Duesseldorf Intl

Thu 19-11

20:45-21:50

1 stop18h 05m

HK$6,838

Flights are sorted by cheapest return flights first.

Deals found on 25-5

Showing 1-10 of 19 resultsSorted by cheapest first
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 0 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$4,557

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

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 29 May 2026.
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
1,964 reviews
Check prices

Boarding

7.7

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.
SWISS
7.5
Good
1,964 reviews
SWISS
7.5
Good
1,964 reviews
Check prices

Boarding

7.7

Entertainment

6.8

Food

7.1

Crew

8.3

Comfort

7.4

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.

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$1,457, however they can be found for as little as HK$1,275.

  • 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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