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Tokyo to Bangkok in December 2026 HND, NRT → BKK, DMK

Haneda Airport (HND), Narita International Airport (NRT) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in December 2026, the cheapest return found recently is $681 with Jetstar Japan, 27 Dec – 3 Jan 2027, found yesterday.

Return

In December 2026, the cheapest return fare on each of 11 departure dates is usually $413 to $611. Across all 32 departure dates we hold on this route, it is usually $378 to $455. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$681

27 Dec – 3 Jan 2027 · Jetstar Japan

Narita International Airport (NRT) → Suvarnabhumi Airport (BKK)

out 2 stops, back 2 stops

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$357

8 Dec – 14 Dec · China Southern Airlines

Haneda Airport (HND) → Suvarnabhumi Airport (BKK)

out 1 stop, back 1 stop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
8 Dec – 14 Dec$357China Southern Airlinesout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
16 Dec – 15 Jan 2027$379Air Chinaout 1 stop, back 1 stopfound 3 days agoSee prices for these dates
18 Dec – 15 Jan 2027$411China Southern Airlinesout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
4 Dec – 6 Dec$414China Southern Airlinesout 1 stop, back 1 stopfound 3 days agoSee prices for these dates
15 Dec – 15 Dec$428Thai Vietjet Airout nonstop, back 1 stopfound 5 days agoSee prices for these dates

Every date we hold

11 departure dates

4 Dec – 6 Dec: $414, found 3 days ago5 Dec – 6 Jan 2027: $451, found 6 days ago8 Dec – 14 Dec: $357, found 6 days ago15 Dec – 15 Dec: $428, found 5 days ago16 Dec – 15 Jan 2027: $379, found 3 days ago18 Dec – 15 Jan 2027: $411, found 6 days ago23 Dec – 8 Jan 2027: $528, found 2 days ago24 Dec – 9 Jan 2027: $552, found 2 days ago25 Dec – 10 Jan 2027: $669, found 3 days ago27 Dec – 3 Jan 2027: $681, found yesterday28 Dec – 10 Jan 2027: $727, found 3 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Dec – 6 Dec$414China Southern AirlinesNarita International Airport (NRT) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
5 Dec – 6 Jan 2027$451Air ChinaNarita International Airport (NRT) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
8 Dec – 14 Dec$357China Southern AirlinesHaneda Airport (HND) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
15 Dec – 15 Dec$428Thai Vietjet AirNarita International Airport (NRT) → Suvarnabhumi Airport (BKK)out nonstop, back 1 stopfound 5 days agoSee prices for these dates
16 Dec – 15 Jan 2027$379Air ChinaNarita International Airport (NRT) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
18 Dec – 15 Jan 2027$411China Southern AirlinesHaneda Airport (HND) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
23 Dec – 8 Jan 2027$528Thai AirAsiaNarita International Airport (NRT) → Don Mueang International Airport (DMK)out nonstop, back nonstopfound 2 days agoSee prices for these dates
24 Dec – 9 Jan 2027$552Shanghai AirlinesHaneda Airport (HND) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
25 Dec – 10 Jan 2027$669Jetstar JapanNarita International Airport (NRT) → Don Mueang International Airport (DMK)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
27 Dec – 3 Jan 2027$681Jetstar JapanNarita International Airport (NRT) → Suvarnabhumi Airport (BKK)out 2 stops, back 2 stopsfound yesterdaySee prices for these dates
28 Dec – 10 Jan 2027$727T'way AirNarita International Airport (NRT) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $222.

October 2026From $3883 departure dates26 Oct – 29 Oct · found 2 days agoSee prices for these dates
November 2026From $222Cheapest seen9 departure dates9 Nov – 12 Nov · found 4 days agoSee prices for these datesEvery date in November 2026
December 2026From $35711 departure dates8 Dec – 14 Dec · found 6 days agoSee prices for these dates
January 2027From $3904 departure dates10 Jan 2027 – 17 Jan 2027 · found 2 days agoSee prices for these dates
March 2027From $3841 departure date6 Mar 2027 – 13 Mar 2027 · found 4 days agoSee prices for these dates
April 2027From $4131 departure date8 Apr 2027 – 3 May 2027 · found 2 days agoSee prices for these dates
May 2027From $4011 departure date14 May 2027 – 3 Jun 2027 · found 3 days agoSee prices for these dates
August 2027From $3731 departure date20 Aug 2027 – 31 Aug 2027 · found 7 hours 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