$273 Cheap Flights from Cardiff (CWL) to Oslo (OSL)

View $273 flight on Tue, May 20, 2025Opens in a new window

Popular airlines from Cardiff International Airport (CWL) to Gardermoen Airport (OSL)

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Cheap Flights from Cardiff to Oslo (CWL-OSL)

Prices were available within the past 7 days and start at $273 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Cardiff (CWL) to Oslo (OSL)
Origin airport
Cardiff Intl.
Destination airport
Gardermoen
Distance
823 mi

Cardiff to Oslo Flights

The cheapest times to fly from Cardiff to Oslo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cardiff to Oslo are during the month of . You can find some of the cheapest flights from Cardiff to Oslo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cardiff to Oslo

Sunday is one of the best days to book for cheap flights from Cardiff to Oslo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cardiff to Oslo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cardiff to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $273 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cardiff to Oslo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cardiff to Oslo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Cardiff Intl. Airport (CWL) to Gardermoen Airport (OSL) cost?
Discover the latest flight deals from CWL to OSL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CWL to OSL?
The cheapest flights from CWL to OSL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from CWL to OSL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from CWL to OSL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Cardiff Intl. Airport (CWL) to Gardermoen Airport (OSL)?
There aren’t any daily direct flights available from Cardiff Intl. Airport (CWL) to Gardermoen Airport (OSL). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be cruising above the clouds before you know it.
What day of the week has the most flights from CWL to OSL?
Typically you’ll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cardiff Intl. Airport (CWL) to Gardermoen Airport (OSL)?
Opt for a flight from Cardiff Intl. Airport (CWL) to Gardermoen Airport (OSL) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Cardiff Intl. Airport (CWL) to Gardermoen Airport (OSL) last-minute?
Last-minute bookings from CWL to OSL are usually more expensive. To secure the best rates, start searching for flights early. That being said, if you’re flexible with your travel plans, you may find a cheap ticket just before your departure.
Is it cheaper to book a CWL to OSL flight and hotel package?
Securing a CWL to OSL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cardiff Intl. Airport (CWL) to Gardermoen Airport (OSL)?
It’s generally possible to cancel or reschedule your CWL to OSL flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.