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Cheap flights from Cardiff to Helsinki from £109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Helsinki departing on 25/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Cardiff to Helsinki

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
09:35 - 11:05
CWL
-
HEL
23h 30m
1 stop
Ryanair Logo
23:25 - 21:45
HEL
-
CWL
24h 20m
2 stops
£235Ryanair
Sun, 26 Apr - Sun, 3 May
KLM Logo
09:50 - 13:05
CWL
-
HEL
25h 15m
1 stop
KLM Logo
18:25 - 09:15
HEL
-
CWL
16h 50m
1 stop
£249KLM
Sun, 26 Apr - Sun, 3 May
KLM Logo
17:25 - 12:05
CWL
-
HEL
16h 40m
1 stop
KLM Logo
18:25 - 09:15
HEL
-
CWL
16h 50m
1 stop
£292KLM
Sat, 28 Mar - Wed, 1 Apr
Multiple Airlines Logo
21:45 - 18:20
CWL
-
HEL
42h 35m
3 stops
Multiple Airlines Logo
07:00 - 16:45
HEL
-
CWL
11h 45m
1 stop
£303Multiple Airlines
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
21:45 - 18:20
CWL
-
HEL
42h 35m
3 stops
Multiple Airlines Logo
23:25 - 20:00
HEL
-
CWL
22h 35m
2 stops
£324Multiple Airlines
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
21:45 - 18:20
CWL
-
HEL
42h 35m
3 stops
Multiple Airlines Logo
08:15 - 21:20
HEL
-
CWL
15h 05m
3 stops
£374Multiple Airlines
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
20:25 - 19:35
CWL
-
HEL
21h 10m
2 stops
Multiple Airlines Logo
16:00 - 23:05
HEL
-
CWL
9h 05m
1 stop
£401Multiple Airlines
Sat, 28 Mar - Wed, 1 Apr
Multiple Airlines Logo
20:25 - 19:35
CWL
-
HEL
21h 10m
2 stops
Multiple Airlines Logo
11:05 - 23:05
HEL
-
CWL
14h 00m
2 stops
£410Multiple Airlines
Sat, 28 Mar - Wed, 1 Apr
Multiple Airlines Logo
20:25 - 19:35
CWL
-
HEL
21h 10m
2 stops
Multiple Airlines Logo
05:30 - 23:05
HEL
-
CWL
19h 35m
3 stops
£425Multiple Airlines
Sat, 28 Mar - Wed, 1 Apr
Multiple Airlines Logo
17:25 - 10:25
CWL
-
HEL
15h 00m
3 stops
Multiple Airlines Logo
05:30 - 23:05
HEL
-
CWL
19h 35m
3 stops
£688Multiple Airlines
Sat, 28 Mar - Wed, 1 Apr

KLM flights from Cardiff to Helsinki

Our best KLM deals on Cardiff to Helsinki flight tickets
KLM
26 Apr
CWL09:50Cardiff Wales
25h 15m
1 stop
HEL13:05Helsinki-Vantaa
3 May
HEL18:25Helsinki-Vantaa
16h 50m
1 stop
CWL09:15Cardiff Wales
£249
KLM
28 Mar
CWL17:25Cardiff Wales
16h 40m
1 stop
HEL12:05Helsinki-Vantaa
1 Apr
HEL18:25Helsinki-Vantaa
16h 50m
1 stop
CWL09:15Cardiff Wales
£292

momondo 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, momondo users made 279,928 searches. Data last updated 14 March 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

Sun 26/4

09:35-11:05

1 stop23h 30m

Helsinki-Vantaa

Sun 3/5

23:25-21:45

2 stops24h 20m

£235

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Sun 26/4

09:50-13:05

1 stop25h 15m

Helsinki-Vantaa

Sun 3/5

18:25-09:15

1 stop16h 50m

£249

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Sat 28/3

17:25-12:05

1 stop16h 40m

Helsinki-Vantaa

Wed 1/4

18:25-09:15

1 stop16h 50m

£292

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Sun 26/4

21:45-18:20

3 stops42h 35m

Helsinki-Vantaa

Sun 3/5

07:00-16:45

1 stop11h 45m

£303

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Sun 26/4

21:45-18:20

3 stops42h 35m

Helsinki-Vantaa

Sun 3/5

23:25-20:00

2 stops22h 35m

£324

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Sun 26/4

21:45-18:20

3 stops42h 35m

Helsinki-Vantaa

Sun 3/5

08:15-21:20

3 stops15h 05m

£374
Fastest return journey

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Sat 28/3

20:25-19:35

2 stops21h 10m

Helsinki-Vantaa

Wed 1/4

16:00-23:05

1 stop9h 05m

£401

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Sat 28/3

20:25-19:35

2 stops21h 10m

Helsinki-Vantaa

Wed 1/4

11:05-23:05

2 stops14h 00m

£410

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Sat 28/3

20:25-19:35

2 stops21h 10m

Helsinki-Vantaa

Wed 1/4

05:30-23:05

3 stops19h 35m

£425

CardiffHelsinki

CWL - HEL

CWLHEL

Cardiff Wales

Sat 28/3

17:25-10:25

3 stops15h 00m

Helsinki-Vantaa

Wed 1/4

05:30-23:05

3 stops19h 35m

£688

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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See travel insights to Helsinki from

How to get the cheapest flight ticket from Cardiff to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Cardiff to Helsinki flights?

You could potentially save up to 29% on your flight if you consider stops on a Cardiff to Helsinki flight.

When to book flights from Cardiff to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cardiff to Helsinki (CWL to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Helsinki

Fastest flight time

23h 30m

Direct flights

None
The fastest flight from Cardiff to Helsinki takes 23h 30m
There are no direct flights from Cardiff to Helsinki. There are no popular flight routes from Cardiff to Helsinki.
Search flight deals

  • How far is Cardiff Wales to Helsinki-Vantaa by plane?

    There are 1231.0 mi between Cardiff Wales and Helsinki-Vantaa. Flights usually cover this in 23h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Cardiff Wales Airport to Helsinki-Vantaa Airport?

    Prices for flights from Cardiff Wales Airport to Helsinki-Vantaa Airport are updated daily.

  • How many operators does momondo search for flights from Cardiff Wales Airport to Helsinki-Vantaa Airport?

  • How old do you have to be to fly from Cardiff Wales Airport to Helsinki-Vantaa Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The travel and health documents required for your trip to Helsinki-Vantaa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Helsinki-Vantaa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Cardiff to Helsinki?

Best airlines flying from Cardiff to Helsinki

Compare and see reviews for airlines that fly from Cardiff to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £246Free CancellationRating
7.8
1,471 reviews
Search KLM flights

Travelling to a place near Helsinki?

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

Why use momondo?

Why should I use momondo to find a flight deal from Cardiff to Helsinki?

It is quick and easy to find Cardiff to Helsinki flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helsinki that suits you.

Can I find flights from Cardiff to Helsinki with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Cardiff to Helsinki flights to just show those with flexible booking policies.

How can momondo help me find flights from Cardiff to Helsinki?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Helsinki from Cardiff.

I’m not ready to book a flight from Cardiff to Helsinki right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Cardiff to Helsinki flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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