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Cheap flights from Cardiff to Helsinki from £157

CWL — HEL
17 Sep — 24 Sep1
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

Wed 30/923:50 -
2 stops18h 10m
Wed 7/1007:05 -
2 stops18h 20m
Deal found 16/8£157
Tue 15/921:45 -
2 stops18h 35m
Tue 22/913:55 -
3 stops35h 30m
Deal found 18/8£190
Tue 15/917:15 -
1 stop5h 10m
Tue 22/918:25 -
1 stop16h 50m
Deal found 18/8£244
Fri 11/915:35 -
2 stops24h 45m
Fri 18/907:15 -
3 stops25h 40m
Deal found 14/8£259
Wed 30/909:45 -
1 stop12h 40m
Wed 7/1018:25 -
1 stop24h 20m
Deal found 16/8£262
Fri 11/909:45 -
1 stop12h 40m
Fri 18/918:25 -
1 stop16h 50m
Deal found 14/8£291

Find flight deals from Cardiff to Helsinki

Round-trip from

£157

Popular in

October

Cheapest in

September

Average price

£462
30/9-7/10
  • 30/9-7/10
  • 4 total stops
  • 36h 30m total
  • Cardiff to Helsinki
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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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

Wed 30/9

23:50-20:00

2 stops18h 10m

Helsinki-Vantaa

Wed 7/10

07:05-23:25

2 stops18h 20m

£157

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Tue 15/9

21:45-23:50

3 stops24h 05m

Helsinki-Vantaa

Tue 22/9

07:05-22:50

3 stops17h 45m

£213
Fastest return journey

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Tue 15/9

17:15-00:25

1 stop5h 10m

Helsinki-Vantaa

Tue 22/9

18:25-09:15

1 stop16h 50m

£244

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Wed 30/9

09:45-00:25

1 stop12h 40m

Helsinki-Vantaa

Wed 7/10

18:25-16:45

1 stop24h 20m

£262

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Fri 11/9

09:45-00:25

1 stop12h 40m

Helsinki-Vantaa

Fri 18/9

18:25-09:15

1 stop16h 50m

£291

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Fri 11/9

15:35-02:40

1 stop9h 05m

Helsinki-Vantaa

Fri 18/9

20:00-08:55

2 stops38h 55m

£301

Flights are sorted by cheapest return flights first.

Deals found on 16/8

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

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Helsinki

How much does it cost for a return flight from Cardiff to Helsinki?

Airfare is below average for this route at the moment.

Cardiff to Helsinki flights typically cost between £373 and £469 in September.
The cheapest return price found within the last 5 days was £157 on Multiple Airlines (30 Sept–7 Oct).

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
1,558 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

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
1,558 reviews
KLM
7.8
Good
1,558 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Comfort

7.7

Crew

8.4

Food

7.3

Overall

7.8

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

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

    Currently priced at £230, 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 45% 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

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Top airline flying from Cardiff to Helsinki

AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£230Average£387FlexibilityNo cancel feeOn-time75%
Search KLM flights

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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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