Skip to content
FareTell

Oslo to Belgrade in December 2026 OSL, TRF → BEG

Oslo Airport Gardermoen (OSL), Torp Sandefjord Airport (TRF) → Belgrad Nikola Tesla Airport (BEG)

For departures in December 2026, the cheapest return found recently is $126 with Norwegian Air Sweden, 5 Dec – 12 Dec, found 22 hours ago. The cheapest one-way found recently is $69 with Norwegian Air Sweden, 5 Dec, found 23 hours ago.

Return

In December 2026, the cheapest return fare on each of 12 departure dates is usually $145 to $226. Across all 27 departure dates we hold on this route, it is usually $149 to $261. Of the 4 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$126

5 Dec – 12 Dec · Norwegian Air Sweden

Oslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)

out nonstop, back nonstop

found 22 hours ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$121

9 Dec – 12 Dec · Norwegian Air Shuttle

Oslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
9 Dec – 12 Dec$121Norwegian Air Shuttleout nonstop, back nonstopfound 2 days agoSee prices for these dates
5 Dec – 12 Dec$126Norwegian Air Swedenout nonstop, back nonstopfound 22 hours agoSee prices for these dates
2 Dec – 3 Dec$134Norwegian Air Swedenout nonstop, back nonstopfound 2 days agoSee prices for these dates
7 Dec – 12 Dec$148Air Serbiaout nonstop, back nonstopfound yesterdaySee prices for these dates
10 Dec – 12 Dec$150Wizz Airout 2 stops, back nonstopfound 5 days agoSee prices for these dates

Every date we hold

12 departure dates

1 Dec – 3 Dec: $197, found 2 days ago2 Dec – 3 Dec: $134, found 2 days ago5 Dec – 12 Dec: $126, found 22 hours ago7 Dec – 12 Dec: $148, found yesterday8 Dec – 13 Dec: $206, found 2 days ago9 Dec – 12 Dec: $121, found 2 days ago10 Dec – 12 Dec: $150, found 5 days ago11 Dec – 15 Dec: $195, found 5 days ago14 Dec – 16 Dec: $181, found 23 hours ago18 Dec – 2 Jan 2027: $411, found 7 days ago21 Dec – 25 Dec: $284, found 5 days ago27 Dec – 2 Jan 2027: $398, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 3 Dec$197Norwegian Air ShuttleOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out 1 stop, back nonstopfound 2 days agoSee prices for these dates
2 Dec – 3 Dec$134Norwegian Air SwedenOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound 2 days agoSee prices for these dates
5 Dec – 12 Dec$126Norwegian Air SwedenOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound 22 hours agoSee prices for these dates
7 Dec – 12 Dec$148Air SerbiaOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound yesterdaySee prices for these dates
8 Dec – 13 Dec$206SWISSOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
9 Dec – 12 Dec$121Norwegian Air ShuttleOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Dec – 12 Dec$150Wizz AirTorp Sandefjord Airport (TRF) → Belgrad Nikola Tesla Airport (BEG)out 2 stops, back nonstopfound 5 days agoSee prices for these dates
11 Dec – 15 Dec$195SAS ScandinavianOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
14 Dec – 16 Dec$181Wizz AirTorp Sandefjord Airport (TRF) → Belgrad Nikola Tesla Airport (BEG)out 2 stops, back nonstopfound 23 hours agoSee prices for these dates
18 Dec – 2 Jan 2027$411SAS ScandinavianOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out 2 stops, back 2 stopsfound 7 days agoSee prices for these dates
21 Dec – 25 Dec$284Wizz AirOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out 1 stop, back nonstopfound 5 days agoSee prices for these dates
27 Dec – 2 Jan 2027$398Wizz AirOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $121.

October 2026From $2541 departure date21 Oct – 28 Oct · found 6 days agoSee prices for these dates
November 2026From $1403 departure dates25 Nov – 28 Nov · found 2 days agoSee prices for these dates
December 2026From $121Cheapest seen12 departure dates9 Dec – 12 Dec · found 2 days agoSee prices for these dates
January 2027From $2072 departure dates5 Jan 2027 – 9 Jan 2027 · found 2 days agoSee prices for these dates
February 2027From $1663 departure dates26 Feb 2027 – 1 Mar 2027 · found 6 days agoSee prices for these dates
March 2027From $1465 departure dates1 Mar 2027 – 4 Mar 2027 · found 6 days agoSee prices for these dates
August 2027From $1331 departure date28 Aug 2027 – 10 Sept 2027 · found 4 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 3 departure dates is usually $69 to $78. Across all 9 departure dates we hold on this route, it is usually $55 to $69.

Cheapest one-way found recently

$69

5 Dec · Norwegian Air Sweden

Oslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)

nonstop

found 23 hours ago

Open this tripCheck today's price

Cheapest we hold, of any age

$68

9 Dec · Norwegian Air Shuttle

Oslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)

nonstop

found 2 days ago

Open this tripCheck today's price

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
9 Dec$68Norwegian Air Shuttlenonstopfound 2 days agoOpen this trip
5 Dec$69Norwegian Air Swedennonstopfound 23 hours agoOpen this trip
10 Dec$87Wizz Air2 stopsfound 5 days agoOpen this trip

Every date we hold

3 departure dates

5 Dec: $69, found 23 hours ago9 Dec: $68, found 2 days ago10 Dec: $87, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
5 Dec$69Norwegian Air SwedenOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)nonstopfound 23 hours agoOpen this trip
9 Dec$68Norwegian Air ShuttleOslo Airport Gardermoen (OSL) → Belgrad Nikola Tesla Airport (BEG)nonstopfound 2 days agoOpen this trip
10 Dec$87Wizz AirTorp Sandefjord Airport (TRF) → Belgrad Nikola Tesla Airport (BEG)2 stopsfound 5 days agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $47.

October 2026From $47Cheapest seen2 departure dates28 Oct · found 6 days agoOpen this trip
December 2026From $683 departure dates9 Dec · found 2 days agoOpen this trip
February 2027From $552 departure dates27 Feb 2027 · found 2 days agoOpen this trip
March 2027From $632 departure dates5 Mar 2027 · found 5 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work