How long is the flight from Cardiff to Helsinki?

Departing from Cardiff to Helsinki will take you 24h 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 £235, 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.

In terms of precipitation, rainfall in Helsinki ranges from 30.0 - 70.0 inches per month. August is typically the wettest month, when rainfall can reach 70.0 mm. February is typically the driest time to visit Helsinki when rainfall is around 30.0 mm.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

What is the cheapest time of day to fly from CWL to HEL?

When flying from Cardiff to Helsinki, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£117+ Cheap Flights from Cardiff to Helsinki

Cheap flight deals from Cardiff to Helsinki

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 6 October 2026.

Thu 5/1110:20 -

1 stop24h 50m

Wed 11/1106:40 -

1 stop5h 10m

Deal found 5/10£240

Mon 2/1117:30 -

1 stop17h 40m

Mon 9/1114:05 -

1 stop4h 55m

Deal found 2/10£241

Wed 18/1117:30 -

1 stop17h 40m

Wed 25/1118:20 -

1 stop17h 25m

Deal found 4/10£241

Sat 7/1117:30 -

1 stop17h 40m

Tue 10/1106:40 -

1 stop5h 05m

Deal found 6/10£243

Thu 5/1113:25 -

2 stops18h 40m

Wed 11/1118:20 -

1 stop17h 25m

Deal found 5/10£257

Wed 18/1110:20 -

3 stops21h 45m

Wed 25/1107:20 -

2 stops28h 25m

Deal found 4/10£273

Sat 7/1108:15 -

2 stops24h 20m

Tue 10/1106:40 -

1 stop12h 20m

Deal found 6/10£275

Mon 16/1108:35 -

2 stops21h 45m

Mon 23/1106:40 -

1 stop5h 10m

Deal found 2/10£297

Mon 2/1108:35 -

2 stops21h 45m

Mon 9/1114:05 -

1 stop4h 55m

Deal found 2/10£299

Find flight deals from Cardiff to Helsinki

Round-trip from	£240
One-way from	£117
Popular in	October
Cheapest in	September
Average price	£695

KLM
5/11-11/11
2 total stops
30h 00m total
Cardiff to Helsinki

Search Deals

Ryanair
28/10-31/12
3 total stops
27h 40m total
Cardiff to Helsinki

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£18 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Tue 27/10

17:30-00:20

1 stop4h 50m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£206

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Sat 24/10

07:30-23:05

1 stop13h 35m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£226

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Thu 5/11

10:20-13:10

1 stop24h 50m

Helsinki-Vantaa

Wed 11/11

06:40-09:50

1 stop5h 10m

£240

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Mon 16/11

17:30-00:20

1 stop4h 50m

Helsinki-Vantaa

Mon 23/11

06:40-09:50

1 stop5h 10m

£241

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Wed 18/11

17:30-13:10

1 stop17h 40m

Helsinki-Vantaa

Wed 25/11

18:20-09:45

1 stop17h 25m

£241

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Sat 7/11

17:30-13:10

1 stop17h 40m

Helsinki-Vantaa

Tue 10/11

06:40-09:45

1 stop5h 05m

£243

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Wed 18/11

10:20-10:05

3 stops21h 45m

Helsinki-Vantaa

Wed 25/11

07:20-09:45

2 stops28h 25m

£273

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Sat 7/11

08:15-08:35

3 stops22h 20m

Helsinki-Vantaa

Tue 10/11

07:00-17:00

2 stops12h 00m

£321

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Sun 25/10

17:30-00:20

1 stop4h 50m

Helsinki-Vantaa

Wed 31/12

00:00-23:00

Nonstop0h 00m

£324

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Mon 2/11

10:20-16:40

2 stops28h 20m

Helsinki-Vantaa

Mon 9/11

17:35-09:45

2 stops18h 10m

£334

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 12 resultsSorted 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.

CWL-HEL

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.

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

1,580 reviews

Check prices

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

1,580 reviews

KLM

7.8

Good

1,580 reviews

Check prices

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 24h 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 £235, 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

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Top airline flying from Cardiff to Helsinki

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£235	Average£413	FlexibilityNo cancel fee	On-time75%	Search KLM flights

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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?

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

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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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Cheap flights from Cardiff to Helsinki from £117

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Helsinki

Cheapest flights from Cardiff to HelsinkiExplore 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 6 October 2026.

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 6 October 2026.

Best flights from Cardiff to HelsinkiDiscover carefully curated flight deals from Cardiff to Helsinki that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Discover carefully curated flight deals from Cardiff to Helsinki that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Cardiff to HelsinkiDiscover last-minute flight deals from Cardiff to Helsinki. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from Cardiff to Helsinki. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Cardiff to HelsinkiSearch for one-way flight options from Cardiff to Helsinki. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from Cardiff to Helsinki. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Find flight deals from Cardiff to Helsinki

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

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.

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.

Related info for your journey

How long is the flight from Cardiff to Helsinki?

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

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

How can I find direct flights from Cardiff to Helsinki?

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

Travelling to a place near Helsinki?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cardiff to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Helsinki by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Finland

Book a non-stop flight to one of these other cities located in Finland.

Search flights from Cardiff to Helsinki by cabin class

Find flights from Cardiff to Helsinki, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Helsinki

Explore flights to Helsinki departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 October 2026.

Cardiff and Helsinki flights

Browse other Cardiff and Helsinki flight options. Last updated on 6 October 2026.

Other flights from Cardiff

Browse through other flights departing from Cardiff. Flights are based on user searches made on Cheapflights and were last updated on 6 October 2026.

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Top airline flying from Cardiff to Helsinki

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

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

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

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

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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 6 October 2026.

Best flights from Cardiff to Helsinki
Discover carefully curated flight deals from Cardiff to Helsinki that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Cardiff to Helsinki
Discover last-minute flight deals from Cardiff to Helsinki. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Cardiff to Helsinki
Search for one-way flight options from Cardiff to Helsinki. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.