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Cheap flights from Cardiff to Oslo from £179

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — OSL
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£179

Popular in

January

Cheapest in

October

Average price

£381
10/9-13/9
  • 10/9-13/9
  • 4 total stops
  • 45h 15m total
  • Cardiff to Oslo
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Highest demand for flights based on searches. 1% potential increase in price (£2 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Cardiff to Oslo

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 29 August 2025.

Wed 10/920:30CWL - TRF
2 stops19h 10mMultiple Airlines
Sat 13/909:30TRF - CWL
2 stops26h 05mMultiple Airlines
Deal found 27/8£179
Wed 24/920:05CWL - OSL
1 stop13h 20mMultiple Airlines
Wed 1/1011:50OSL - CWL
2 stops20h 35mMultiple Airlines
Deal found 27/8£196
Wed 24/920:05CWL - TRF
2 stops19h 35mMultiple Airlines
Wed 1/1010:40TRF - CWL
2 stops21h 45mMultiple Airlines
Deal found 27/8£197
Sun 12/1017:15CWL - OSL
2 stops17h 35mAir France
Sun 19/1017:35OSL - CWL
2 stops24h 10mAir France
Deal found 28/8£209
Wed 10/920:30CWL - OSL
2 stops34h 00mMultiple Airlines
Sat 13/913:15OSL - CWL
2 stops22h 20mMultiple Airlines
Deal found 27/8£212
Sun 12/1017:15CWL - OSL
1 stop14h 30mKLM
Sun 19/1017:20OSL - CWL
1 stop16h 55mKLM
Deal found 28/8£243
Wed 24/917:15CWL - OSL
1 stop14h 30mKLM
Wed 1/1011:50OSL - CWL
1 stop5h 55mKLM
Deal found 27/8£244
Sun 12/1017:20CWL - OSL
2 stops16h 30mMultiple Airlines
Sun 19/1013:35OSL - CWL
1 stop24h 10mMultiple Airlines
Deal found 28/8£255
Wed 10/909:50CWL - OSL
1 stop5h 30mKLM
Sat 13/906:30OSL - CWL
1 stop11h 35mKLM
Deal found 27/8£268
Fri 29/817:15CWL - OSL
2 stops22h 25mAir France
Thu 4/906:05OSL - CWL
2 stops11h 40mAir France
Deal found 27/8£323
Fri 29/806:00CWL - OSL
2 stops16h 55mMultiple Airlines
Thu 4/920:15OSL - CWL
1 stop16h 50mMultiple Airlines
Deal found 27/8£326
Fri 29/812:25CWL - TRF
2 stops18h 45mMultiple Airlines
Thu 4/910:00TRF - CWL
3 stops35h 30mMultiple Airlines
Deal found 27/8£381

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 29 August 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 - TRF

CWLTRF

Cardiff Wales

Wed 10/9

20:30-16:40

2 stops19h 10m

Oslo Sandefjord

Sat 13/9

09:30-10:35

2 stops26h 05m

£179

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Wed 24/9

20:05-21:25

2 stops24h 20m

Oslo Gardermoen

Wed 1/10

11:50-07:25

2 stops20h 35m

£196

CardiffOslo

CWL - TRF

CWLTRF

Cardiff Wales

Wed 24/9

20:05-16:40

2 stops19h 35m

Oslo Sandefjord

Wed 1/10

10:40-07:25

2 stops21h 45m

£197

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Sun 12/10

17:15-11:50

2 stops17h 35m

Oslo Gardermoen

Sun 19/10

17:35-16:45

2 stops24h 10m

£209

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Wed 10/9

20:30-15:15

1 stop17h 45m

Oslo Gardermoen

Sat 13/9

13:15-10:35

2 stops22h 20m

£212

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Sun 12/10

17:15-08:45

1 stop14h 30m

Oslo Gardermoen

Sun 19/10

17:20-09:15

1 stop16h 55m

£243

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Wed 24/9

17:15-08:45

1 stop14h 30m

Oslo Gardermoen

Wed 1/10

11:50-16:45

1 stop5h 55m

£244

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Sun 12/10

17:20-10:50

2 stops16h 30m

Oslo Gardermoen

Sun 19/10

13:35-12:45

1 stop24h 10m

£255

CardiffOslo

CWL - OSL

CWLOSL

Cardiff Wales

Wed 10/9

09:50-16:20

1 stop5h 30m

Oslo Gardermoen

Sat 13/9

06:30-17:05

1 stop11h 35m

£268

Flights are sorted by cheapest return flights first.

Deals found on 27/8

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 £103). Flying from Cardiff to Oslo in July is currently the most expensive (average of £187). 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 29 August 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
7.8
Good
1,383 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 Air France fly from Cardiff to Oslo in about 17h 35m. 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 £233, was found to be the cheapest airline from Cardiff to Oslo.. KLM is currently priced 22% 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 £103). Flying from Cardiff to Oslo in July is currently the most expensive (average of £187). 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£233Average£277FlexibilityNo 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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