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Cheap flights from Cardiff to Oslo from £296

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/12. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — OSL
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 14 November 2025.

Round-trip from

£296

Popular in

April

Cheapest in

October

Average price

£252
28/12-4/1
  • 28/12-4/1
  • 5 total stops
  • 70h 55m total
  • Cardiff to Oslo
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Highest demand for flights based on searches. 7% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 14 November 2025.

Sun 28/1221:20CWL - OSL
3 stops44h 55mMultiple Airlines
Sun 4/122:05OSL - CWL
2 stops26h 00mMultiple Airlines
Deal found 13/11£296
Sun 28/1210:15CWL - OSL
1 stop21h 25mKLM
Sun 4/119:00OSL - CWL
1 stop15h 50mKLM
Deal found 13/11£297

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 14 November 2025.
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 - OSL

CWLOSL

Cardiff Wales

Sun 28/12

21:20-19:15

3 stops44h 55m

Oslo Gardermoen

Sun 4/1

22:05-23:05

2 stops26h 00m

£296

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Sun 28/12

10:15-08:40

1 stop21h 25m

Oslo Gardermoen

Sun 4/1

19:00-09:50

1 stop15h 50m

£297

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Mon 30/3

09:50-11:05

1 stop24h 15m

Oslo Gardermoen

Tue 31/3

17:20-16:45

1 stop24h 25m

£429

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Mon 30/3

12:00-10:25

2 stops21h 25m

Oslo Gardermoen

Tue 31/3

19:25-11:30

2 stops17h 05m

£465

CardiffOslo

CWL - TRF

CWLTRF

Cardiff Wales

Mon 30/3

09:50-21:10

2 stops10h 20m

Oslo Sandefjord

Tue 31/3

09:00-09:15

2 stops25h 15m

£562

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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 £144). Flying from Cardiff to Oslo in June is currently the most expensive (average of £259). 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.

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 14 November 2025.
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
1,411 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Boarding

7.8

Overall

7.7

Food

7.3

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • How long is the flight from Cardiff to Oslo?

    Airlines like KLM fly from Cardiff to Oslo in about 21h 25m. The time it takes to get you to your destination can typically vary by up to . There are 823 mi between Cardiff and Oslo.

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

    KLM, at £237, was found to be the cheapest airline from Cardiff to Oslo.. KLM is currently priced 26% 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 £144). Flying from Cardiff to Oslo in June is currently the most expensive (average of £259). 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£237Average£294FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Cardiff to Oslo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Oslo from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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