$689 Cheap Flights from Oslo (OSL) to Asuncion (ASU)

View $689 flight on Mon, Apr 6, 2026Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Asuncion (ASU-Silvio Pettirossi Intl.)

Cheap Flights from Oslo to Asuncion (OSL-ASU)

Prices were available within the past 7 days and start at $689 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Oslo (OSL) to Asuncion (ASU)
Origin airport
Gardermoen
Destination airport
Silvio Pettirossi Intl.
Distance
7039 mi

Oslo to Asuncion Flights

The cheapest times to fly from Oslo to Asuncion

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

 

The best time to book a flight from Oslo to Asuncion

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

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 Asuncion in 2026. You can also book with separate airlines for your outbound and return journeys, from $689 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 Asuncion 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 Asuncion 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 Silvio Pettirossi Intl. Airport (ASU) cost?
Get a cheap one-way flight from $689 or cheap return flight from Gardermoen Airport (OSL) to Silvio Pettirossi Intl. Airport (ASU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to Silvio Pettirossi Intl. Airport (ASU)?
The cheapest month to fly from OSL to ASU is , when demand is low. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Silvio Pettirossi Intl. Airport (ASU)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from OSL to ASU. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Gardermoen Airport (OSL) to Silvio Pettirossi Intl. Airport (ASU)?
There aren't any daily direct flights from Gardermoen Airport (OSL) to Silvio Pettirossi Intl. Airport (ASU). But you can book flights with layovers. Filter your search results on Expedia to include one or two 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 ASU?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, time of year 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 Gardermoen Airport (OSL) to Silvio Pettirossi Intl. Airport (ASU)?
Book a flight from Gardermoen Airport (OSL) to Silvio Pettirossi Intl. Airport (ASU) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time 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 Gardermoen Airport (OSL) to Silvio Pettirossi Intl. Airport (ASU) last-minute?
Last-minute fares from OSL to ASU are usually more expensive. For the lowest prices, start looking for flights well ahead of time. That said, if you're flexible with your travel plans, you may find a cheap fare right before your trip.
Is it cheaper to book an OSL to ASU flight and hotel package?
You can save money by securing an OSL to ASU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your ideal accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Silvio Pettirossi Intl. Airport (ASU)?
In most cases, you can cancel or reschedule your OSL to ASU flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.