HK$2,229+ 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 14-5. Fares are subject to change and may not be available on all flights or dates of travel.
— DUS
28 Mar — 4 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 26 February 2026.

Thu 5-313:20
HKG
-
DUS
2 stops28h 15m
Multiple Airlines
Wed 18-306:50
DUS
-
HKG
2 stops22h 15m
Multiple Airlines
Deal found 26-2HK$5,427
Mon 2-323:30
HKG
-
DUS
1 stop25h 15m
SWISS
Mon 16-309:45
DUS
-
HKG
1 stop25h 00m
SWISS
Deal found 23-2HK$5,552
Wed 8-423:05
HKG
-
DUS
1 stop21h 00m
SWISS
Wed 15-419:05
DUS
-
HKG
1 stop15h 30m
SWISS
Deal found 22-2HK$5,592
Thu 26-223:45
HKG
-
DUS
1 stop15h 05m
Lufthansa
Wed 11-310:30
DUS
-
HKG
1 stop22h 55m
Lufthansa
Deal found 25-2HK$5,803
Thu 19-323:30
HKG
-
DUS
1 stop16h 25m
Multiple Airlines
Sat 4-410:30
DUS
-
HKG
2 stops22h 50m
Multiple Airlines
Deal found 24-2HK$5,951
Wed 8-420:55
HKG
-
DUS
1 stop17h 15m
Finnair
Wed 15-408:55
DUS
-
HKG
1 stop26h 45m
Finnair
Deal found 23-2HK$5,983
Thu 5-310:00
HKG
-
DUS
1 stop19h 25m
Turkish Airlines
Wed 18-310:45
DUS
-
HKG
1 stop14h 35m
Turkish Airlines
Deal found 26-2HK$6,022
Thu 19-310:00
HKG
-
DUS
1 stop30h 20m
Turkish Airlines
Sat 4-410:25
DUS
-
HKG
1 stop15h 00m
Turkish Airlines
Deal found 24-2HK$6,069
Mon 2-319:35
HKG
-
DUS
2 stops22h 00m
Multiple Airlines
Mon 16-306:50
DUS
-
HKG
2 stops18h 40m
Multiple Airlines
Deal found 23-2HK$6,108
Tue 17-300:25
HKG
-
DUS
1 stop19h 45m
Qatar Airways
Fri 3-415:25
DUS
-
HKG
1 stop24h 30m
Qatar Airways
Deal found 23-2HK$6,264
Thu 12-310:00
HKG
-
DUS
1 stop30h 20m
Turkish Airlines
Mon 16-307:10
DUS
-
HKG
1 stop18h 10m
Turkish Airlines
Deal found 23-2HK$6,358
Wed 8-422:20
HKG
-
DUS
1 stop16h 20m
Multiple Airlines
Wed 15-414:30
DUS
-
HKG
2 stops21h 10m
Multiple Airlines
Deal found 22-2HK$6,381

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 26 February 2026.

Return from

HK$5,951

One-way from

HK$2,229

Popular in

July

Cheapest in

October

Average price

HK$5,490
Lufthansa
  • Lufthansa
  • 19-3-4-4
  • 3 total stops
  • 39h 15m total
  • Hong Kong to Düsseldorf
14-5
  • 14-5
  • 2 total stops
  • 47h 25m total
  • Hong Kong to Aachen
Highest demand for flights based on searches. 9% potential increase in price (HK$634 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (HK$130 potential savings vs. average return price).
Average for return flights in February 2026

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 26 February 2026.
Use the filters below to find and compare flights to Aachen that are best for you.

Fly from

Route

Departure

Return

Price

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Wed 8-4

23:05-14:05

1 stop21h 00m

Duesseldorf Intl

Wed 15-4

19:05-16:35

1 stop15h 30m

HK$5,592

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Thu 12-3

10:00-13:05

1 stop34h 05m

Duesseldorf Intl

Mon 16-3

07:10-08:20

1 stop18h 10m

HK$6,358

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Wed 8-4

22:20-08:40

1 stop16h 20m

Duesseldorf Intl

Wed 15-4

14:30-17:40

2 stops21h 10m

HK$6,381

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Wed 8-4

15:05-08:10

2 stops23h 05m

Duesseldorf Intl

Wed 15-4

08:55-20:30

2 stops29h 35m

HK$6,866

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Thu 23-7

11:50-08:10

2 stops26h 20m

Duesseldorf Intl

Mon 10-8

18:45-11:35

2 stops34h 50m

HK$6,945

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Sun 8-3

23:30-08:55

1 stop16h 25m

Duesseldorf Intl

Mon 23-3

06:50-17:45

2 stops27h 55m

HK$7,124

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Thu 12-3

15:10-09:10

2 stops25h 00m

Duesseldorf Intl

Mon 16-3

11:05-19:00

2 stops24h 55m

HK$7,140

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Thu 14-5

18:30-11:55

2 stops47h 25m

HK$2,229

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Wed 4-3

17:25-20:15

2 stops33h 50m

HK$2,307

Hong KongDüsseldorf

HKG - DUS

HKGDUS

Hong Kong Intl

Tue 3-3

17:25-08:35

2 stops46h 10m

HK$2,370

Flights are sorted by cheapest return flights first.

Deals found on 26-2

Showing 1-10 of 17 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 17 hours 15 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 cheapest airlines that fly to Aachen?

The cheapest airlines flying from Hong Kong to Aachen are 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 26 February 2026.
See what other customers who have flown with Finnair and 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.

Food

6.7

Comfort

7.4

Overall

7.6

Boarding

7.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Comfort

7.4

Overall

7.6

Boarding

7.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Comfort

7.4

Overall

7.6

Boarding

7.7

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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$1,418, however they can be found for as little as HK$983.

  • 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.

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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Aachen today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Aachen.

Can Cheapflights find flights to Aachen with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Aachen flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights to Aachen on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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.