Cheap flights from Sofia to Oslo from $129 SOF → OSL, TRF
Sofia Airport (SOF) → Oslo Airport Gardermoen (OSL), Torp Sandefjord Airport (TRF)
The cheapest return found recently is $129 with Wizz Air, 20 Dec – 25 Jan 2027, found today.
- Cheapest return found recently
- $129, 20 Dec to 25 Jan 2027
- Usual return price
- $188 to $327
- Cheapest month to fly
- December 2026, return fares from $129 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $188 to $327.
Cheapest return found recently
$129
20 Dec – 25 Jan 2027 · Wizz Air
Sofia Airport (SOF) → Torp Sandefjord Airport (TRF)
Leaves 9:05 a.m. · Return leaves 12:40 p.m. · 46 h 40 min of travel, both ways together
out 1 stop, back 2 stops
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$129 20 Dec – 25 Jan 2027found todaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $104 to $178.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 22 Nov to 3 Aug 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 36-night return fares leaving within 3 days of 20 Dec to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Nov – 22 Nov | $406 | Lufthansa | Sofia Airport (SOF) → Oslo Airport Gardermoen (OSL) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 20 Dec – 25 Jan 2027 | $129 | Wizz Air | Sofia Airport (SOF) → Torp Sandefjord Airport (TRF) | out 1 stop, back 2 stops | found today | See prices for these dates |
| 3 Aug 2027 – 6 Aug 2027 | $247 | LOT Polish | Sofia Airport (SOF) → Oslo Airport Gardermoen (OSL) | out 1 stop, back 1 stop | found today | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $129.
Airlines on the cheapest dates: Lufthansa, Wizz Air, LOT Polish.
Premium cabin fares from Sofia to Oslo
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 20 Dec – 25 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Sofia to Oslo?
Return
Fares 30 to 59 days before departure were typically 46% lower than 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $260 | $144 | +87% | 8 |
| 14–29 days | $277 | $144 | +99% | 7 |
| 30–59 days | $139 | $104 | Cheapest seen | 39 |
| 60–89 days | $172 | $114 | +24% | 26 |
| 180+ days | $186 | $186 | +34% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
One-way
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 20 Dec – 25 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Sofia to Oslo?
The cheapest return found recently is $129 with Wizz Air, 20 Dec to 25 Jan 2027, found today. The cheapest return fare on each of 3 departure dates is usually $188 to $327.
What is the cheapest month to fly from Sofia to Oslo?
December 2026 is the cheapest month for a return, from $129, 20 Dec to 25 Jan 2027, found today.
How far ahead should I book a flight from Sofia to Oslo?
In 50 days of prices between 24 Sept and 12 Nov, return fares 30 to 59 days before departure were typically 46% lower than 7 to 13 days before departure.
Which airlines have the cheapest flights from Sofia to Oslo?
Between 22 Nov and 3 Aug 2027, Lufthansa has the cheapest return on 1 of the 3 departure dates we hold, Wizz Air on 1 and LOT Polish on 1.
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