Riga to Oslo flights in December 2026 from $18 RIX → OSL, TRF
Riga International Airport (RIX) → Oslo Airport Gardermoen (OSL), Torp Sandefjord Airport (TRF)
For departures in December 2026, the cheapest return found recently is $123 with Ryanair, 11 Dec – 17 Dec, found 3 days ago. The cheapest one-way found recently is $18 with Ryanair, 4 Dec, found 2 days ago.
Return
In December 2026, the cheapest return fare on each of 7 departure dates is usually $124 to $186. Across all 19 departure dates we hold on this route, it is usually $36 to $133. Of the 2 months with enough return fares to compare, December 2026 is usually the most expensive.
Cheapest return found recently
$123
11 Dec – 17 Dec · Ryanair
Riga International Airport (RIX) → Torp Sandefjord Airport (TRF)
out nonstop, back nonstop
found 3 days ago
Cheapest we hold, of any age
$35
4 Dec – 6 Dec · Ryanair
Riga International Airport (RIX) → Torp Sandefjord Airport (TRF)
out nonstop, back nonstop
found 5 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 4 Dec – 6 Dec | $35 | Ryanair | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 11 Dec – 17 Dec | $123 | Ryanair | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 20 Dec – 27 Dec | $124 | Ryanair | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 2 Dec – 9 Dec | $130 | Norwegian Air Sweden | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 17 Dec – 20 Dec | $181 | Ryanair | out nonstop, back 1 stop | found 7 days ago | See prices for these dates |
Every date we hold
7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 2 Dec – 9 Dec | $130 | Norwegian Air Sweden | Riga International Airport (RIX) → Oslo Airport Gardermoen (OSL) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 4 Dec – 6 Dec | $35 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 11 Dec – 17 Dec | $123 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 13 Dec – 17 Dec | $216 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 17 Dec – 20 Dec | $181 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | out nonstop, back 1 stop | found 7 days ago | See prices for these dates |
| 20 Dec – 27 Dec | $124 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 29 Dec – 2 Jan 2027 | $191 | Finnair | Riga International Airport (RIX) → Oslo Airport Gardermoen (OSL) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $32.
One-way
In December 2026, the cheapest one-way fare on each of 7 departure dates is usually $18 to $18. Across all 15 departure dates we hold on this route, it is usually $17 to $22. Of the 2 months with enough one-way fares to compare, December 2026 is usually the most expensive.
Cheapest one-way found recently
$18
4 Dec · Ryanair
Riga International Airport (RIX) → Torp Sandefjord Airport (TRF)
nonstop
found 2 days ago
Cheapest we hold, of any age
$17
12 Dec · Ryanair
Riga International Airport (RIX) → Torp Sandefjord Airport (TRF)
nonstop
found 7 days ago
The cheapest dates in December 2026
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 12 Dec | $17 | Ryanair | nonstop | found 7 days ago | Open this trip |
| 18 Dec | $17 | Ryanair | nonstop | found 3 days ago | Open this trip |
| 4 Dec | $18 | Ryanair | nonstop | found 2 days ago | Open this trip |
| 5 Dec | $18 | Ryanair | nonstop | found 2 days ago | Open this trip |
| 11 Dec | $18 | Ryanair | nonstop | found 4 days ago | Open this trip |
Every date we hold
7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Dec | $18 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | nonstop | found 2 days ago | Open this trip |
| 5 Dec | $18 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | nonstop | found 2 days ago | Open this trip |
| 11 Dec | $18 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | nonstop | found 4 days ago | Open this trip |
| 12 Dec | $17 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | nonstop | found 7 days ago | Open this trip |
| 16 Dec | $27 | Norwegian Air Sweden | Riga International Airport (RIX) → Oslo Airport Gardermoen (OSL) | nonstop | found 2 days ago | Open this trip |
| 17 Dec | $18 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | nonstop | found 2 days ago | Open this trip |
| 18 Dec | $17 | Ryanair | Riga International Airport (RIX) → Torp Sandefjord Airport (TRF) | nonstop | found 3 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $17.
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