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Flights from Helsinki to Knock

Find the cheapest flight options from Helsinki to Knock over the next three months. Book one-way tickets from PLN 299 and round-trip tickets from PLN 3,621.

      • HEL 16:40
        21h 45m
        1 stop
        NOC 12:25
        Helsinki - Knock | Sun, Dec 21 | Norwegian Air Sweden
        NOC 13:00
        25h
        1 stop
        HEL 16:00
        Knock - Helsinki | Sun, Dec 28 | Aer Lingus
        PLN 3,621 PLN 5,745
        37% OFF
        37% OFF
        PLN 5,745 PLN 3,621
      • HEL 19:35
        18h 50m
        1 stop
        NOC 12:25
        Helsinki - Knock | Thu, Dec 11 | British Airways
        NOC 13:00
        8h
        1 stop
        HEL 23:00
        Knock - Helsinki | Thu, Dec 18 | Aer Lingus
        PLN 3,679 PLN 5,745
        36% OFF
        36% OFF
        PLN 5,745 PLN 3,679
      • HEL 16:00
        22h 25m
        1 stop
        NOC 12:25
        Helsinki - Knock | Sun, Dec 21 | British Airways
        NOC 13:00
        21h 20m
        1 stop
        HEL 12:20
        Knock - Helsinki | Sun, Dec 28 | Aer Lingus
        PLN 4,665 PLN 5,745
        19% OFF
        19% OFF
        PLN 5,745 PLN 4,665
      • HEL 16:00
        22h 25m
        1 stop
        NOC 12:25
        Helsinki - Knock | Tue, Dec 23 | British Airways
        NOC 13:00
        8h
        1 stop
        HEL 23:00
        Knock - Helsinki | Sun, Dec 28 | Aer Lingus
        PLN 5,113
        11% OFF
        PLN 5,745 PLN 5,113
      • HEL 13:00
        17h 25m
        1 stop
        NOC Invalid Date
        Helsinki - Knock | Fri, Dec 12 | Normal Airline
        NOC 15:00
        6h
        Direct
        HEL 16:00
        Knock - Helsinki | Sun, Dec 14 | Normal Airline
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Displayed flight fares from Helsinki to Knock are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Helsinki to Knock

The distance between Helsinki and Knock is 2,132.46 km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight pricePLN 299
Cheapest round-trip ticket pricePLN 3,621
Off-season for travelSeptember
Peak season for travelJuly
Flight distance2,132.46 km

Find the best time to fly from Helsinki to Knock

The cheapest time for Helsinki to Knock flights: Jan 11 to Jan 18 — one way flight prices from PLN 716.

Cheapest flights
From price
Search
  • 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 Knock, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Helsinki to Knock (HEL-NOC)?

    Based on Trip.com data, Ryanair offers one-way fares as low as PLN 299 on Cheapest nonstop routes (e.g. HEL to NOC on Wed, Dec 10), while Norwegian Air Sweden offers Cheapest nonstop round-trips from PLN 3,621 departing on Sun, Dec 21 and returning on Sun, Dec 28.
  • 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 Knock 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 Knock, 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 Wed, Dec 10, with one-way flights priced at just PLN 299.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
    · 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 Knock travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Helsinki to Knock is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Helsinki to Knock on December 21, 2025 with Norwegian Air Sweden AOC, with prices starting at PLN 3,620.
  • The time difference between Knock and Helsinki is 2h.
  • 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.