Skyline view of Bangkok highlighting traditional Thai architecture amidst modern buildings. — flights from Kathmandu to Bangkok
KathmanduBangkok, Thailand

Flights from Kathmandu to Bangkok

Nonstop flights from Kathmandu (KTM) to Bangkok (BKK) take about 3h 17m (2,230 km). THAI Airways and Nepal Airlines fly it. Lowest fare seen: $209 one-way, nonstop (12 Oct 2026).

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Photo of Bangkok: Zaonar Saizainalin on Pexels.

When you land in Bangkok

The airport transfer and the few things worth sorting before you fly.

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Airlines flying Kathmandu to Bangkok

Carriers on KTM–BKK according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ THAI Airwaysnonstop fare seen✈ Nepal Airlinesnonstop fare seen

Kathmandu to Bangkok fares by month

Cheapest month seen for a nonstop flight: Dec 2026, from $215 one-way. With stops: Jan 2027, from $197. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026$33125 Oct 2026 · THAI Airways$261 · 1 stop23 Oct 2026
Nov 2026$2599 Nov 2026 · THAI Airways—
Dec 2026$21529 Dec 2026 · THAI Airways—
Jan 2027$22311 Jan 2027 · THAI Airways$197 · 1 stop11 Jan 2027
Feb 2027$22917 Feb 2027 · THAI Airways$203 · 1 stop3 Feb 2027
Mar 2027$2641 Mar 2027 · THAI Airways$202 · 1 stop1 Mar 2027
Apr 2027$25910 Apr 2027 · THAI Airways$207 · 1 stop4 Apr 2027
Jun 2027$23210 Jun 2027 · THAI Airways$201 · 1 stop10 Jun 2027
Aug 2027$25320 Aug 2027 · THAI Airways$210 · 1 stop20 Aug 2027
Sept 2027$2781 Sept 2027 · THAI Airways$201 · 1 stop1 Sept 2027

When to go for the lowest fare

Later departures were cheaper: from $197 in January 2027, against $259 for November 2026.

Nonstop or with a stop

A connection undercut nonstop in 8 of 8 months with both fares.

From Travelpayouts flight-search data, city to city (Kathmandu to Bangkok, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

Best time to fly to Bangkok

Based on weather and travel conditions in Thailand

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best monthsGoodAvoid if possible

The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.

Peak season: November – February

More for this trip

Frequently asked questions — Kathmandu to Bangkok flights

How long is the flight from Kathmandu to Bangkok?
A nonstop flight from Kathmandu (KTM) to Bangkok (BKK) takes about 3h 17m, covering 2,230 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is Kathmandu from Bangkok by air?
The great-circle distance between Tribhuvan International Airport and Suvarnabhumi Airport is 2,230 km (1,386 miles), a medium-haul route.
Which airlines fly from Kathmandu to Bangkok?
Airlines with flights or nonstop fares on the KTM–BKK route include THAI Airways and Nepal Airlines. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from Kathmandu to Bangkok cost?
The lowest one-way fare seen recently on KTM–BKK was $209 USD with THAI Airways (nonstop), departing 13 Oct 2026, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from Kathmandu to Bangkok?
In fares seen on 22 Oct 2026, departures in January 2027 were cheapest, from $197 one-way, against $261 for October 2026, the dearest month. Fares change daily, so check your own dates.
Is it cheaper to fly nonstop or with a stop from Kathmandu to Bangkok?
In the fares we saw (12 Oct 2026), connecting was cheaper: from $188 with one stop against $209 nonstop, a saving of $21. Nonstop saves the connection time.
Do I need a visa to travel from Kathmandu to Thailand?
It depends on your passport. Some nationalities can enter Thailand visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit Bangkok?
The cool, dry season (November–February) is ideal — sunny skies, low humidity, and comfortable temperatures around 25–30°C. The monsoon (May–October) brings heavy rain especially in the south.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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