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Cheap flights from Cardiff to Helsinki from £126

CWL — HEL
11 Oct — 18 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Helsinki

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Helsinki

Sun 1/1123:50 -
2 stops17h 30m
Sat 7/1111:35 -
2 stops23h 05m
Deal found 8/9£186
Mon 5/1022:10 -
2 stops23h 15m
Mon 12/1006:10 -
2 stops17h 35m
Deal found 7/9£215
Mon 26/1017:30 -
1 stop4h 50m
Mon 2/1118:20 -
1 stop24h 40m
Deal found 11/9£243
Sun 1/1117:30 -
1 stop21h 55m
Sat 7/1118:20 -
1 stop17h 30m
Deal found 8/9£245
Sat 24/1017:35 -
1 stop4h 50m
Sat 31/1014:05 -
1 stop4h 55m
Deal found 9/9£283
Mon 26/1017:30 -
2 stops23h 50m
Mon 2/1109:20 -
2 stops26h 25m
Deal found 11/9£304
Sat 24/1007:30 -
1 stop13h 35m
Sat 31/1011:35 -
2 stops13h 50m
Deal found 9/9£308

Find flight deals from Cardiff to Helsinki

Round-trip from

£186

One-way from

£126

Popular in

October

Cheapest in

September

Average price

£189
Ryanair
  • Ryanair
  • 1/11-7/11
  • 4 total stops
  • 40h 35m total
  • Cardiff to Helsinki
Search Deals
15/10-31/12
  • 15/10-31/12
  • 2 total stops
  • 15h 05m total
  • Cardiff to Helsinki
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Cardiff to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Thu 15/10

22:50-15:55

2 stops15h 05m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£126

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Thu 15/10

09:50-00:25

1 stop12h 35m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£203

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Mon 5/10

22:10-23:25

2 stops23h 15m

Helsinki-Vantaa

Mon 12/10

06:10-21:45

2 stops17h 35m

£215

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Sun 1/11

23:50-00:40

3 stops22h 50m

Helsinki-Vantaa

Sat 7/11

11:35-08:40

2 stops23h 05m

£227

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Mon 26/10

17:30-00:20

1 stop4h 50m

Helsinki-Vantaa

Mon 2/11

18:20-17:00

1 stop24h 40m

£243

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Sun 1/11

17:30-17:25

1 stop21h 55m

Helsinki-Vantaa

Sat 7/11

18:20-09:50

1 stop17h 30m

£245
Fastest return journey

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Sat 24/10

17:35-00:25

1 stop4h 50m

Helsinki-Vantaa

Sat 31/10

14:05-17:00

1 stop4h 55m

£283

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Mon 26/10

17:30-19:20

2 stops23h 50m

Helsinki-Vantaa

Mon 2/11

09:20-09:45

2 stops26h 25m

£304

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Sat 24/10

07:30-23:05

1 stop13h 35m

Helsinki-Vantaa

Sat 31/10

11:35-23:25

2 stops13h 50m

£308

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Thu 24/9

09:45-23:50

2 stops12h 05m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£326

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Sorted by cheapest first

Best time to book a flight from Cardiff to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Cardiff with our price prediction graph.
Estimated return price

Reviews of airlines servicing Helsinki

Read reviews from past customers who have flown with KLM from Cardiff to Helsinki. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,576 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
KLM
7.8
Good
1,576 reviews
KLM
7.8
Good
1,576 reviews
Check prices

Overall

7.8

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Abhisek,Aug 2026

JFK - AMS

They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy

Related info for your journey

  • How long is the flight from Cardiff to Helsinki?

    Departing from Cardiff to Helsinki will take you 4h 50m. Airlines will cover a distance of 1244 mi.

  • What is the cheapest airline to fly from Cardiff to Helsinki round-trip?

    Currently priced at £231, KLM will fly you from Cardiff to Helsinki and back. In addition to KLM, many other airlines offer competitively priced options for your trip. You may be able to fly from Cardiff to Helsinki for 46% less than the average price by searching for this airline.

  • Can I find deals for flights from Cardiff to Helsinki that include hotel bookings?

    Yes. In addition to deals on Cardiff to Helsinki flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Helsinki.

  • Can I find deals for business class flights from Cardiff to Helsinki?

    Yes. Cheapflights offers flight deals from Cardiff to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Espoo
Vantaa

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Cardiff to Helsinki

AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£231Average£387FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets from Cardiff to Helsinki?

Cheapflights simply makes it quick and affordable to book flights from Cardiff to Helsinki by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Cardiff to Helsinki with no change fees?

Yes, we can. To see specific flights from Cardiff to Helsinki with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Cardiff to Helsinki become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Helsinki from Cardiff today and book when prices fit your budget.

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