How long is the flight from Cardiff to Helsinki?

Departing from Cardiff to Helsinki will take you 17h 40m. Airlines will cover a distance of 1244 mi. This flight may include one or multiple stops.

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.

£244+ Cheap Flights from Cardiff to Helsinki

Cheap flight deals from Cardiff to Helsinki

Enter your travel dates to find the best prices.

Cheapest

Best

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 23 September 2026.

Sat 7/1110:20 -

1 stop5h 05m

Sat 14/1114:05 -

1 stop4h 55m

Deal found 23/9£244

Sun 13/1214:25 -

2 stops26h 55m

Fri 18/1220:55 -

1 stop12h 35m

Deal found 23/9£267

Sun 13/1209:05 -

2 stops25h 00m

Fri 18/1214:25 -

2 stops10h 20m

Deal found 23/9£268

Sun 13/1217:30 -

1 stop4h 50m

Fri 18/1218:20 -

1 stop17h 30m

Deal found 23/9£269

Sat 7/1108:15 -

1 stop12h 45m

Sat 14/1116:05 -

2 stops18h 35m

Deal found 23/9£301

Find flight deals from Cardiff to Helsinki

Round-trip from	£243
Popular in	October
Cheapest in	September
Average price	£192

KLM
11/2-18/2
2 total stops
42h 20m 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 (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

Sat 7/11

10:20-17:25

1 stop5h 05m

Helsinki-Vantaa

Sat 14/11

14:05-17:00

1 stop4h 55m

£244

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Sat 7/11

08:15-23:00

1 stop12h 45m

Helsinki-Vantaa

Sat 14/11

16:05-08:40

2 stops18h 35m

£301

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Thu 11/2

17:30-14:50

2 stops19h 20m

Helsinki-Vantaa

Thu 18/2

18:20-09:50

1 stop17h 30m

£360

CardiffHelsinki

CWL Cardiff Wales - HEL Helsinki-Vantaa

CWLHEL

Cardiff Wales

Thu 11/2

13:25-11:40

2 stops20h 15m

Helsinki-Vantaa

Thu 18/2

12:25-20:15

2 stops9h 50m

£385

Flights are sorted by cheapest return flights first.

Deals found on 23/9

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.

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

1,575 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

1,575 reviews

KLM

7.8

Good

1,575 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 17h 40m. Airlines will cover a distance of 1244 mi. This flight may include one or multiple stops.
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

Espoo

Vantaa

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Finland

Flights by cabin class

Helsinki flight routes

Other flight options

Other flights from Cardiff

Popular flights

Alternative routes for Cardiff to Helsinki

Manchester to Helsinki flights

Manchester to Rovaniemi flights

Manchester to Kittilä flights

Bristol to Helsinki flights

Manchester to Turku flights

Manchester to Tampere flights

Manchester to Kajaani flights

Bristol to Turku flights

Top airline flying from Cardiff to Helsinki

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£235	Average£394	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Cardiff to Helsinki from £244

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/11. 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 23 September 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 23 September 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 23 September 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 23 September 2026.

Find flight deals from Cardiff to Helsinki

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 23 September 2026.

Cardiff and Helsinki flights

Browse other Cardiff and Helsinki flight options. Last updated on 23 September 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 23 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Cardiff to Helsinki

Fly with Cheapflights

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?

100% Free

Book with Flexibility

Travel Smart

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 23 September 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 23 September 2026.