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Cheap flights from Cardiff to Helsinki from £255

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — HEL
29 Jun — 6 Jul1
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
Explore the most affordable flight options available from Cardiff to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 May 2026.

Mon 6/713:35
CWL
-
HEL
1 stop10h 45m
Multiple Airlines
Mon 13/718:25
HEL
-
CWL
2 stops30h 25m
Multiple Airlines
Deal found 27/5£255
Mon 13/722:10
CWL
-
HEL
1 stop22h 55m
Multiple Airlines
Mon 20/706:35
HEL
-
CWL
1 stop8h 35m
Multiple Airlines
Deal found 29/5£262
Thu 25/606:40
CWL
-
HEL
2 stops25h 40m
Multiple Airlines
Wed 1/700:05
HEL
-
CWL
2 stops24h 20m
Multiple Airlines
Deal found 26/5£281
Fri 17/715:35
CWL
-
HEL
1 stop9h 05m
Multiple Airlines
Sat 25/714:05
HEL
-
CWL
2 stops20h 50m
Multiple Airlines
Deal found 27/5£299

Find flight deals from Cardiff to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 May 2026.

Round-trip from

£255

Popular in

October

Cheapest in

January

Average price

£475
6/7-13/7
  • 6/7-13/7
  • 3 total stops
  • 41h 10m total
  • Cardiff to Helsinki
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£79 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 May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Helsinki that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 May 2026.
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 - HEL

CWLHEL

Cardiff Wales

Mon 6/7

13:35-02:20

1 stop10h 45m

Helsinki-Vantaa

Mon 13/7

18:25-22:50

2 stops30h 25m

£255

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Mon 13/7

13:35-02:20

1 stop10h 45m

Helsinki-Vantaa

Mon 20/7

18:25-22:50

2 stops30h 25m

£273

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Thu 25/6

06:40-10:20

2 stops25h 40m

Helsinki-Vantaa

Wed 1/7

00:05-22:25

2 stops24h 20m

£281
Fastest return journey

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Fri 17/7

15:35-02:40

1 stop9h 05m

Helsinki-Vantaa

Sat 25/7

21:50-08:55

1 stop13h 05m

£304

Flights are sorted by cheapest return flights first.

Deals found on 27/5

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated 30 May 2026.
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
1,524 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,524 reviews
KLM
7.8
Good
1,524 reviews
Check prices

Boarding

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Currently priced at £242, 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 43% 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

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Top airline flying from Cardiff to Helsinki

Discover the top airline that operate flights from Cardiff to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£242Average£338FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Helsinki?

Cheapflights helps you search for flights from Cardiff to Helsinki via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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