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Oslo to Bangkok flights in December 2026 from $567 OSL, TRF → BKK, DMK

Oslo Airport Gardermoen (OSL), Torp Sandefjord Airport (TRF) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $567 with Norse Atlantic Airways, 4 Dec – 15 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 7 departure dates is usually $653 to $1,368. Across all 25 departure dates we hold on this route, it is usually $620 to $738. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$567

4 Dec – 15 Dec · Norse Atlantic Airways

Oslo Airport Gardermoen (OSL) → Suvarnabhumi Airport (BKK)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$474

3 Dec – 16 Dec · Norse Atlantic Airways

Oslo Airport Gardermoen (OSL) → Suvarnabhumi Airport (BKK)

out nonstop, back nonstop

found 5 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
3 Dec – 16 Dec$474Norse Atlantic Airwaysout nonstop, back nonstopfound 5 days agoSee prices for these dates
4 Dec – 15 Dec$567Norse Atlantic Airwaysout nonstop, back nonstopfound 2 days agoSee prices for these dates
31 Dec – 26 Jan 2027$738Qatar Airwaysout 1 stop, back 1 stopfound 3 days agoSee prices for these dates
22 Dec – 3 Jan 2027$1,209British Airwaysout 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
28 Dec – 10 Jan 2027$1,238SAS Scandinavianout 3 stops, back 3 stopsfound 5 days agoSee prices for these dates

Every date we hold

7 departure dates

3 Dec – 16 Dec: $474, found 5 days ago4 Dec – 15 Dec: $567, found 2 days ago18 Dec – 2 Jan 2027: $1,645, found 8 days ago20 Dec – 4 Jan 2027: $1,497, found 4 days ago22 Dec – 3 Jan 2027: $1,209, found 6 days ago28 Dec – 10 Jan 2027: $1,238, found 5 days ago31 Dec – 26 Jan 2027: $738, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec – 16 Dec$474Norse Atlantic AirwaysOslo Airport Gardermoen (OSL) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 5 days agoSee prices for these dates
4 Dec – 15 Dec$567Norse Atlantic AirwaysOslo Airport Gardermoen (OSL) → Suvarnabhumi Airport (BKK)out nonstop, back nonstopfound 2 days agoSee prices for these dates
18 Dec – 2 Jan 2027$1,645RyanairTorp Sandefjord Airport (TRF) → Suvarnabhumi Airport (BKK)out 3 stops, back nonstopfound 8 days agoSee prices for these dates
20 Dec – 4 Jan 2027$1,497SAS ScandinavianOslo Airport Gardermoen (OSL) → Suvarnabhumi Airport (BKK)out 3 stops, back 3 stopsfound 4 days agoSee prices for these dates
22 Dec – 3 Jan 2027$1,209British AirwaysOslo Airport Gardermoen (OSL) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound 6 days agoSee prices for these dates
28 Dec – 10 Jan 2027$1,238SAS ScandinavianOslo Airport Gardermoen (OSL) → Suvarnabhumi Airport (BKK)out 3 stops, back 3 stopsfound 5 days agoSee prices for these dates
31 Dec – 26 Jan 2027$738Qatar AirwaysOslo Airport Gardermoen (OSL) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $474.

November 2026From $5049 departure dates26 Nov – 11 Dec · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $474Cheapest seen7 departure dates3 Dec – 16 Dec · found 5 days agoSee prices for these dates
January 2027From $6254 departure dates12 Jan 2027 – 2 Feb 2027 · found 6 days agoSee prices for these dates
February 2027From $6251 departure date1 Feb 2027 – 15 Feb 2027 · found 5 days agoSee prices for these dates
March 2027From $7041 departure date31 Mar 2027 – 20 Apr 2027 · found 5 days agoSee prices for these dates
April 2027From $6303 departure dates9 Apr 2027 – 26 Apr 2027 · found 6 days agoSee prices for these dates

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