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Flights from Helsinki to Cardiff

Search cheap flights from Helsinki to Cardiff in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$133, and round-trip tickets start at US$330.

      • HEL 18:20
        24h 25m
        1 stop
        CWL 16:45
        Helsinki - Cardiff | Thu, Jan 15 | KLM
        CWL 17:25
        17h 45m
        1 stop
        HEL 13:10
        Cardiff - Helsinki | Thu, Jan 22 | KLM
        US$330 US$386
        15% OFF
        15% OFF
        US$386 US$330
      • HEL 18:20
        24h 35m
        1 stop
        CWL 16:55
        Helsinki - Cardiff | Fri, Jan 16 | KLM
        CWL 17:15
        4h 50m
        1 stop
        HEL 00:05
        Cardiff - Helsinki | Fri, Jan 23 | KLM
        US$336 US$386
        13% OFF
        13% OFF
        US$386 US$336
      • HEL 18:20
        17h 30m
        1 stop
        CWL 09:50
        Helsinki - Cardiff | Sun, Jan 11 | KLM
        CWL 10:15
        5h 10m
        1 stop
        HEL 17:25
        Cardiff - Helsinki | Sun, Jan 18 | KLM
        US$336 US$386
        13% OFF
        13% OFF
        US$386 US$336
      • HEL 18:20
        17h 30m
        1 stop
        CWL 09:50
        Helsinki - Cardiff | Tue, Jan 20 | KLM
        CWL 17:25
        22h
        1 stop
        HEL 17:25
        Cardiff - Helsinki | Tue, Jan 27 | KLM
        US$336
        13% OFF
        US$386 US$336
      • HEL 18:20
        17h 30m
        1 stop
        CWL 09:50
        Helsinki - Cardiff | Sun, Feb 1 | KLM
        CWL 10:20
        5h 5m
        1 stop
        HEL 17:25
        Cardiff - Helsinki | Thu, Feb 5 | KLM
        US$345
        11% OFF
        US$386 US$345
      • HEL 07:00
        4h 50m
        1 stop
        CWL 09:50
        Helsinki - Cardiff | Thu, Jan 29 | KLM
        CWL 10:20
        5h 5m
        1 stop
        HEL 17:25
        Cardiff - Helsinki | Mon, Feb 2 | KLM
        US$345
        11% OFF
        US$386 US$345
      • HEL 18:20
        24h 35m
        1 stop
        CWL 16:55
        Helsinki - Cardiff | Mon, Feb 2 | KLM
        CWL 17:15
        4h 50m
        1 stop
        HEL 00:05
        Cardiff - Helsinki | Fri, Feb 6 | KLM
        US$345
        11% OFF
        US$386 US$345
      • HEL 07:00
        11h 55m
        1 stop
        CWL 16:55
        Helsinki - Cardiff | Thu, Feb 5 | KLM
        CWL 10:20
        5h 5m
        1 stop
        HEL 17:25
        Cardiff - Helsinki | Tue, Feb 10 | KLM
        US$345
        11% OFF
        US$386 US$345
      • HEL 18:20
        17h 25m
        1 stop
        CWL 09:45
        Helsinki - Cardiff | Sat, Jan 31 | KLM
        CWL 10:20
        5h 5m
        1 stop
        HEL 17:25
        Cardiff - Helsinki | Thu, Feb 5 | KLM
        US$345
        11% OFF
        US$386 US$345
      • HEL 18:20
        24h 25m
        1 stop
        CWL 16:45
        Helsinki - Cardiff | Thu, Jan 8 | KLM
        CWL 17:15
        17h 55m
        1 stop
        HEL 13:10
        Cardiff - Helsinki | Mon, Jan 12 | KLM
        US$348
        10% OFF
        US$386 US$348
      • HEL 13:00
        17h 25m
        1 stop
        CWL Invalid Date
        Helsinki - Cardiff | Sat, Dec 13 | Normal Airline
        CWL 15:00
        6h
        Nonstop
        HEL 16:00
        Cardiff - Helsinki | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • HEL 17:25
        26h 5m
        1 stop
        CWL 17:30
        Helsinki - Cardiff | Fri, Dec 12 | Norwegian Air Sweden
        US$133 US$419
        68% OFF
        68% OFF
        US$419 US$133
      • HEL 12:35
        30h 55m
        1 stop
        CWL 17:30
        Helsinki - Cardiff | Fri, Dec 12 | Finnair
        US$209 US$419
        50% OFF
        50% OFF
        US$419 US$209
      • HEL 07:00
        15h 15m
        1 stop
        CWL 20:15
        Helsinki - Cardiff | Tue, Dec 16 | Norwegian Air Sweden
        US$209 US$419
        50% OFF
        50% OFF
        US$419 US$209
      • HEL 14:05
        4h 50m
        1 stop
        CWL 16:55
        Helsinki - Cardiff | Wed, Jan 21 | KLM
        US$214
        49% OFF
        US$419 US$214
      • HEL 18:20
        17h 30m
        1 stop
        CWL 09:50
        Helsinki - Cardiff | Fri, Dec 12 | KLM
        US$215
        49% OFF
        US$419 US$215
      • HEL 18:20
        24h 35m
        1 stop
        CWL 16:55
        Helsinki - Cardiff | Tue, Dec 23 | KLM
        US$220
        48% OFF
        US$419 US$220
      • HEL 14:05
        4h 50m
        1 stop
        CWL 16:55
        Helsinki - Cardiff | Tue, Dec 16 | KLM
        US$221
        47% OFF
        US$419 US$221
      • HEL 18:20
        17h 30m
        1 stop
        CWL 09:50
        Helsinki - Cardiff | Sat, Dec 13 | KLM
        US$221
        47% OFF
        US$419 US$221
      • HEL 18:20
        24h 35m
        1 stop
        CWL 16:55
        Helsinki - Cardiff | Wed, Dec 24 | KLM
        US$221
        47% OFF
        US$419 US$221
      • HEL 14:05
        21h 45m
        1 stop
        CWL 09:50
        Helsinki - Cardiff | Sun, Dec 14 | KLM
        US$378
        10% OFF
        US$419 US$378
      • HEL 13:00
        17h 25m
        1 stop
        CWL Invalid Date
        Helsinki - Cardiff | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

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

Helsinki to Cardiff Flight Details

The distance between Helsinki and Cardiff is about 2,003.52 km. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is November.

Cheapest one-way flight priceUS$133
Cheapest return ticket priceUS$330
Cheapest monthNovember
Peak season for travelJuly
Flight distance2,003.52 km

When is the cheapest time to book flights from Helsinki to Cardiff?

The cheapest time to fly from Helsinki to Cardiff: Jan 11 to Jan 18 — one-way prices start at US$177.

Cheapest flights
From price
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Helsinki to Cardiff (HEL-CWL)?

    Based on Trip.com data, Norwegian Air Sweden offers one-way fares as low as US$133 on Cheapest nonstop routes (e.g. HEL to CWL on Fri, Dec 12), while KLM offers Cheapest nonstop round-trips from US$330 departing on Thu, Jan 15 and returning on Thu, Jan 22.
  • 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 Cardiff 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 Cardiff, 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 US$133.
    · 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 Cardiff travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Helsinki to Cardiff is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Helsinki to Cardiff on December 13, 2025 with KLM Royal Dutch Airlines, with prices starting at US$347.
  • The time difference between Cardiff 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.

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