Cheap Flights from Oslo (OSL) to Cascais (CAT)

Popular airlines from Gardermoen Airport (OSL) to Cascais (CAT)

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Alternative airports near Cascais

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Humberto Delgado LIS. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $202
LIS
Humberto Delgado
Cheapest
Average driving time to city center24 min
Flights from $202
Flights from Oslo (OSL) to Cascais (CAT)
Origin airport
Gardermoen
Destination airport
Cascais
Distance
1728 mi

Oslo to Cascais Flights

The cheapest times to fly from Oslo to Cascais

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 Oslo to Cascais are during the month of . You can find some of the cheapest flights from Oslo to Cascais with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Oslo to Cascais

Sunday is one of the best days to book for cheap flights from Oslo to Cascais: 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 Oslo to Cascais

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 Oslo to Cascais in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Oslo to Cascais 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 Oslo to Cascais 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 Gardermoen Airport (OSL) to Cascais Airport (CAT) cost?
Lock in a cheap one-way flight or cheap return flight from Gardermoen Airport (OSL) to Cascais Airport (CAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to Cascais Airport (CAT)?
is the least expensive month to fly from OSL to CAT. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Cascais Airport (CAT)?
To find the cheapest airline flying from OSL to CAT, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Gardermoen Airport (OSL) to Cascais Airport (CAT)?
There are no daily nonstop flights from Gardermoen Airport (OSL) to Cascais Airport (CAT). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from OSL to CAT?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gardermoen Airport (OSL) to Cascais Airport (CAT)?
Select a flight from Gardermoen Airport (OSL) to Cascais Airport (CAT) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**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.
What airports do you fly into for Lisbon District from Gardermoen Airport (OSL)?
Humberto Delgado Airport (LIS) is the only airport in Lisbon District with direct flights from Gardermoen Airport (OSL). Check out the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Gardermoen Airport (OSL) to Cascais Airport (CAT) last-minute?
Last-minute bookings from OSL to CAT are generally more expensive. For the best prices, start searching for flights well ahead of time. That said, if you can play around with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book an OSL to CAT flight and hotel package?
Compared with arranging hotels and flights separately, booking an OSL to CAT flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Cascais Airport (CAT)?
If you reserved your OSL to CAT flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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