$173 Cheap Flights from Oslo (OSL) to Ostrava (OSR)

View $173 flight on Thu, Dec 4, 2025Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Ostrava (OSR-Leos Janacek)

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Cheap Flights from Oslo to Ostrava (OSL-OSR)

Prices were available within the past 7 days and start at $173 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to Leos Janacek Airport (OSR) cost?
Grab a cheap one-way flight from $173 or cheap return flight from Gardermoen Airport (OSL) to Leos Janacek Airport (OSR) 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 Leos Janacek Airport (OSR)?
is the most affordable month to fly from OSL to OSR. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Leos Janacek Airport (OSR)?
To find the cheapest airline flying from OSL to OSR, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Gardermoen Airport (OSL) to Leos Janacek Airport (OSR)?
Direct flights from Gardermoen Airport (OSL) to Leos Janacek Airport (OSR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from OSL to OSR?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, airline 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 Leos Janacek Airport (OSR)?
To touch down at Leos Janacek Airport (OSR) on schedule, select a flight that takes off from Gardermoen Airport (OSL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Leos Janacek Airport (OSR) last-minute?
Booking your flight from OSL to OSR shortly before your getaway is typically more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an OSL to OSR flight and hotel package?
You'll typically save money by securing an OSL to OSR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Leos Janacek Airport (OSR)?
Usually, it's possible to cancel or reschedule your OSL to OSR flight. However, if the booking was made more than 24 hours ago, additional fees 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 more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Gardermoen
Destination airport
Leos Janacek
Distance
775 mi

Book with confidence

Book with confidence

Oslo to Ostrava Flights

The cheapest times to fly from Oslo to Ostrava

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

 

The best time to book a flight from Oslo to Ostrava

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

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 Ostrava in 2025. You can also book with separate airlines for your outbound and return journeys, from $173 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 Ostrava 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 Ostrava 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.

 

Oslo to Ostrava Flights

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