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Cheap flights from Cardiff to Oslo from £128

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — OSL
20 Mar — 27 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Oslo

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Oslo
Explore the most affordable flight options available from Cardiff to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 February 2026.

Thu 5/321:55
CWL
-
TRF
2 stops17h 35m
Multiple Airlines
Wed 11/309:45
TRF
-
CWL
2 stops25h 20m
Multiple Airlines
Deal found 15/2£128
Thu 5/321:55
CWL
-
OSL
2 stops17h 05m
Multiple Airlines
Wed 11/307:00
OSL
-
CWL
1 stop13h 10m
Multiple Airlines
Deal found 15/2£141
Tue 17/316:45
CWL
-
TRF
1 stop17h 20m
Multiple Airlines
Tue 24/312:55
TRF
-
CWL
2 stops27h 35m
Multiple Airlines
Deal found 17/2£167
Tue 31/323:15
CWL
-
OSL
2 stops16h 05m
Multiple Airlines
Tue 7/410:35
OSL
-
CWL
2 stops13h 15m
Multiple Airlines
Deal found 14/2£171
Tue 17/306:50
CWL
-
OSL
2 stops14h 15m
Multiple Airlines
Tue 24/322:40
OSL
-
CWL
2 stops17h 50m
Multiple Airlines
Deal found 17/2£192
Tue 31/317:15
CWL
-
OSL
1 stop16h 50m
KLM
Tue 7/419:15
OSL
-
CWL
1 stop15h 00m
KLM
Deal found 14/2£247
Tue 17/310:20
CWL
-
OSL
1 stop11h 10m
KLM
Tue 24/319:00
OSL
-
CWL
1 stop15h 50m
KLM
Deal found 17/2£248
Mon 23/216:40
CWL
-
TRF
1 stop17h 05m
Multiple Airlines
Fri 27/220:35
TRF
-
CWL
1 stop24h 10m
Multiple Airlines
Deal found 17/2£306
Fri 13/1117:15
CWL
-
TRF
2 stops17h 35m
Multiple Airlines
Sun 15/1112:15
TRF
-
CWL
2 stops22h 35m
Multiple Airlines
Deal found 17/2£407
Fri 13/1110:20
CWL
-
TRF
2 stops28h 35m
Multiple Airlines
Tue 17/1115:20
TRF
-
CWL
2 stops19h 30m
Multiple Airlines
Deal found 15/2£407
Fri 14/809:45
CWL
-
TRF
2 stops25h 00m
Multiple Airlines
Fri 28/812:10
TRF
-
CWL
2 stops22h 05m
Multiple Airlines
Deal found 15/2£410
Fri 13/1117:15
CWL
-
TRF
3 stops26h 10m
Multiple Airlines
Mon 16/1120:10
TRF
-
CWL
2 stops20h 55m
Multiple Airlines
Deal found 15/2£453

Find flight deals from Cardiff to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Oslo (OS1). 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 18 February 2026.

Round-trip from

£128

Popular in

April

Cheapest in

November

Average price

£258
5/3-11/3
  • 5/3-11/3
  • 4 total stops
  • 42h 55m total
  • Cardiff to Oslo
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Oslo 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 18 February 2026.
Use the filters below to find and compare flights from Cardiff to Oslo that are best for you.

Fly from

Cardiff

Fly to

Oslo

Route

Depart

Return

Price

CardiffOslo

CWL - TRF

CWLTRF

Cardiff Wales

Thu 5/3

21:55-16:30

2 stops17h 35m

Oslo Sandefjord

Wed 11/3

09:45-10:05

2 stops25h 20m

£128

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Thu 5/3

21:55-16:00

2 stops17h 05m

Oslo Gardermoen

Wed 11/3

07:00-19:10

1 stop13h 10m

£141

CardiffOslo

CWL - TRF

CWLTRF

Cardiff Wales

Tue 17/3

16:45-11:05

1 stop17h 20m

Oslo Sandefjord

Tue 24/3

12:55-15:30

2 stops27h 35m

£167

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Tue 31/3

23:15-16:20

2 stops16h 05m

Oslo Gardermoen

Tue 7/4

10:35-22:50

2 stops13h 15m

£171

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Tue 17/3

06:50-22:05

2 stops14h 15m

Oslo Gardermoen

Tue 24/3

22:40-15:30

2 stops17h 50m

£192

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Tue 31/3

17:15-11:05

1 stop16h 50m

Oslo Gardermoen

Tue 7/4

19:15-09:15

1 stop15h 00m

£247

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Tue 17/3

10:20-22:30

1 stop11h 10m

Oslo Gardermoen

Tue 24/3

19:00-09:50

1 stop15h 50m

£248

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Thu 2/4

17:15-08:45

1 stop14h 30m

Oslo Gardermoen

Thu 9/4

17:20-09:15

1 stop16h 55m

£250

CardiffOslo

CWL - TRF

CWLTRF

Cardiff Wales

Fri 14/8

22:45-17:30

3 stops17h 45m

Oslo Sandefjord

Fri 28/8

18:00-06:55

2 stops13h 55m

£426

Flights are sorted by cheapest return flights first.

Deals found on 15/2

Best time to book a flight from Cardiff to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo 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 Oslo

What is the cheapest month to book a flight from Cardiff to Oslo?

Currently, May is the cheapest month in which you can book a flight from Cardiff to Oslo (average of £130). Flying from Cardiff to Oslo in June is currently the most expensive (average of £300). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. 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 Oslo. Reviews last updated 18 February 2026.
Check out reviews from past customers who have flown with KLM from Cardiff to Oslo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,457 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,457 reviews
KLM
7.7
Good
1,457 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

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

  • What airport do you fly from for flights from Cardiff to Oslo?

    If you book a flight to Oslo from Cardiff, you will be flying from Cardiff Wales, which is the city’s only airport. Cardiff Wales (CWL) is located 9.1 mi from the center of Cardiff. There are 0 flights from Cardiff Wales to Oslo per day from 1 airline.

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

    KLM, at £232, was found to be the cheapest airline from Cardiff to Oslo.. KLM is currently priced 24% below the average price you’ll pay for this route.

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

    Yes. In addition to deals on Cardiff to Oslo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Oslo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Oslo.

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

    Yes. Cheapflights offers flight deals from Cardiff to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to Oslo?

    Currently, May is the cheapest month in which you can book a flight from Cardiff to Oslo (average of £130). Flying from Cardiff to Oslo in June is currently the most expensive (average of £300). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Cardiff to Oslo

Discover the top airline that operate flights from Cardiff to Oslo. 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 18 February 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£232Average£281FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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

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

Need flexible booking options for your flight to Oslo from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Cardiff to Oslo on Cheapflights with our Price Alert feature and get notified when better prices are available.

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