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Flights from Helsinki to Liege

Find flight deals from Helsinki to Liege for the next 3 months. Book one way flights from NZD 298 or round trip flights from NZD 2,067.

      • HEL 9:20 AM
        35h 30m
        1 stop
        LGG 7:50 PM
        Helsinki - Liege | Thu, Dec 18 | Norwegian Air Sweden
        LGG 6:00 AM
        17h 15m
        1 stop
        HEL 12:15 AM
        Liege - Helsinki | Sun, Dec 21 | TUI fly Belgium
        NZD 2,067 NZD 3,094
        33% OFF
        33% OFF
        NZD 3,094 NZD 2,067
      • HEL 9:20 AM
        32h 5m
        1 stop
        LGG 4:25 PM
        Helsinki - Liege | Sat, Dec 27 | Norwegian Air Sweden
        LGG 6:00 AM
        17h 15m
        1 stop
        HEL 12:15 AM
        Liege - Helsinki | Sun, Jan 4 | TUI fly Belgium
        NZD 2,259 NZD 3,094
        27% OFF
        27% OFF
        NZD 3,094 NZD 2,259
      • HEL 1:00 PM
        17h 25m
        1 stop
        LGG Invalid Date
        Helsinki - Liege | Sun, Dec 14 | Normal Airline
        LGG 3:00 PM
        6h
        Nonstop
        HEL 4:00 PM
        Liege - Helsinki | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights
      • HEL 9:30 PM
        15h 50m
        1 stop
        LGG 12:20 PM
        Helsinki - Liege | Fri, Dec 12 | Norwegian Air Sweden
        NZD 298 NZD 1,869
        84% OFF
        84% OFF
        NZD 1,869 NZD 298
      • HEL 9:30 PM
        15h 50m
        1 stop
        LGG 12:20 PM
        Helsinki - Liege | Fri, Jan 2 | Norwegian Air Sweden
        NZD 834 NZD 1,869
        55% OFF
        55% OFF
        NZD 1,869 NZD 834
      • HEL 9:20 AM
        35h 30m
        1 stop
        LGG 7:50 PM
        Helsinki - Liege | Thu, Jan 1 | Norwegian Air Sweden
        NZD 1,160 NZD 1,869
        38% OFF
        38% OFF
        NZD 1,869 NZD 1,160
      • HEL 9:20 AM
        32h 5m
        1 stop
        LGG 4:25 PM
        Helsinki - Liege | Sat, Jan 3 | Norwegian Air Sweden
        NZD 1,365
        27% OFF
        NZD 1,869 NZD 1,365
      • HEL 1:00 PM
        17h 25m
        1 stop
        LGG Invalid Date
        Helsinki - Liege | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Helsinki to Liege are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Helsinki to Liege

The distance between Helsinki and Liege is approximately 1,617.25 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is August.

Cheapest one-way flight priceNZD 298
Cheapest round-trip ticket priceNZD 2,067
Off-season for travelAugust
Peak season for travelJuly
Flight distance1,617.25 km

When is the cheapest time to fly from Helsinki to Liege?

The cheapest time for Helsinki to Liege flights: Dec 14 to Dec 21 — one way flight prices from NZD 492.

Cheapest flights
From price
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Helsinki to Liege, calculated over the upcoming 10 weeks.

Frequently Asked Questions

  • What are the cheapest flights from Helsinki to Liege (HEL-LGG)?

    Based on Trip.com data, Norwegian Air Sweden offers one-way fares as low as NZD 298 on Cheapest nonstop routes (e.g. HEL to LGG on Fri, Dec 12), while Norwegian Air Sweden offers Cheapest nonstop round-trips from NZD 2,067 departing on Thu, Dec 18 and returning on Sun, Dec 21.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Helsinki to Liege is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Helsinki to Liege, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Dec 12, with one-way flights priced at just NZD 298.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Norwegian Air Sweden.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Liege travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Helsinki to Liege is August, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Helsinki to Liege on December 18, 2025 with Norwegian Air Sweden AOC, with prices starting at NZD 2,066.
  • The time difference between Liege and Helsinki is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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