$53 Cheap Flights from Oslo (OSL) to Sofia (SOF)

View $53 flight on Sun, Oct 12, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Oslo to Sofia (OSL-SOF)

Prices were available within the past 7 days and start at $53 for one-way flights and $147 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Norwegian Air Shuttle
Sat, May 3 - Sat, May 10
OSL
Oslo
SOF
Sofia
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select Norwegian Air Shuttle flight, departing Sat, May 3 from Oslo to Sofia, returning Sat, May 10, priced at $147 found 1 day ago
Lufthansa
Mon, May 19 - Mon, May 26
OSL
Oslo
SOF
Sofia
$182 Roundtrip, found 4 days ago
$182
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, May 19 from Oslo to Sofia, returning Mon, May 26, priced at $182 found 4 days ago
Norwegian Air Shuttle
Wed, May 28 - Wed, Jun 4
OSL
Oslo
SOF
Sofia
$188 Roundtrip, found 6 days ago
$188
Roundtrip
found 6 days ago
Select Norwegian Air Shuttle flight, departing Wed, May 28 from Oslo to Sofia, returning Wed, Jun 4, priced at $188 found 6 days ago
Lufthansa
Mon, May 19 - Mon, May 26
OSL
Oslo
SOF
Sofia
$191 Roundtrip, found 4 days ago
$191
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, May 19 from Oslo to Sofia, returning Mon, May 26, priced at $191 found 4 days ago
Lufthansa
Mon, May 19 - Mon, May 26
OSL
Oslo
SOF
Sofia
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, May 19 from Oslo to Sofia, returning Mon, May 26, priced at $199 found 4 days ago
Norwegian Air Shuttle
Sat, May 10 - Fri, May 23
OSL
Oslo
SOF
Sofia
$200 Roundtrip, found 1 day ago
$200
Roundtrip
found 1 day ago
Select Norwegian Air Shuttle flight, departing Sat, May 10 from Oslo to Sofia, returning Fri, May 23, priced at $200 found 1 day ago
Lufthansa
Mon, May 19 - Mon, May 26
OSL
Oslo
SOF
Sofia
$205 Roundtrip, found 4 days ago
$205
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, May 19 from Oslo to Sofia, returning Mon, May 26, priced at $205 found 4 days ago
LOT-Polish Airlines
Mon, May 19 - Mon, May 26
OSL
Oslo
SOF
Sofia
$216 Roundtrip, found 4 days ago
$216
Roundtrip
found 4 days ago
Select LOT-Polish Airlines flight, departing Mon, May 19 from Oslo to Sofia, returning Mon, May 26, priced at $216 found 4 days ago
Austrian Airlines
Mon, May 19 - Mon, May 26
OSL
Oslo
SOF
Sofia
$222 Roundtrip, found 4 days ago
$222
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Mon, May 19 from Oslo to Sofia, returning Mon, May 26, priced at $222 found 4 days ago
Air Baltic
Tue, May 20 - Tue, May 27
OSL
Oslo
SOF
Sofia
$315 Roundtrip, found 3 days ago
$315
Roundtrip
found 3 days ago
Select Air Baltic flight, departing Tue, May 20 from Oslo to Sofia, returning Tue, May 27, priced at $315 found 3 days ago
Flights from Oslo (OSL) to Sofia (SOF)
Origin airport
Gardermoen
Destination airport
Sofia
Airlines serving
Air Serbia, Austrian Airlines, British Airways, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$147
Distance
1315 mi

Oslo to Sofia Flights

The cheapest times to fly from Oslo to Sofia

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

 

The best time to book a flight from Oslo to Sofia

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

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 Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $53 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 Sofia 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 Sofia 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 Sofia Airport (SOF) cost?
You can book cheap return tickets starting at $301 from Gardermoen Airport (OSL) to Sofia Airport (SOF). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Norwegian Air Shuttle flight leaving OSL on May 10 2025 and touching down at SOF. The price was last updated on April 25 2025 and has not changed since.
What is the cheapest month to fly from OSL to SOF?
The cheapest flights from OSL to SOF 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 OSL to SOF?
Travel from OSL to SOF with Norwegian Air Shuttle. This carrier currently offers the lowest one-way fare on this route, starting from $97. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from OSL on May 31 2025. Prices were last updated on April 25 2025 and have not changed since.
How many flights per day from Gardermoen Airport (OSL) to Sofia Airport (SOF)?
There aren’t any daily direct flights departing from Gardermoen Airport (OSL) to Sofia Airport (SOF). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be cruising above the clouds in no time at all.
What day of the week has the most flights from OSL to SOF?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a number of factors, such as 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 Sofia Airport (SOF)?
Choose a flight from Gardermoen Airport (OSL) to Sofia Airport (SOF) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time 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.
Is it cheaper to buy a plane ticket from Gardermoen Airport (OSL) to Sofia Airport (SOF) last-minute?
Booking your flight from OSL to SOF just before your journey is typically more expensive. However, if there’s some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an OSL to SOF flight and hotel package?
Compared with arranging hotels and flights separately, booking an OSL to SOF flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the stress out of travel planning. Simply pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Sofia Airport (SOF)?
Generally, it’s possible to reschedule or cancel your OSL to SOF flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.