Which airlines fly direct between Bangkok and Kathmandu?

Airlines operating direct flights include Thai Airways, Bangkok Airways, Nepal Airlines, Qatar Airways.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $129 depending on season and advance booking.

Home FlightsBangkok to Kathmandu

Verified Route Guide

Flights from Bangkok to Kathmandu

Q: How long is the flight from Bangkok to Kathmandu?

The average nonstop flight time from Bangkok (BKK) to Kathmandu (KTM) is approximately 3h 30m covering a distance of 2229 km.

Suvarnabhumi Airport (BKK) → Tribhuvan International (KTM)

Fares From$129

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Flight Time

3h 30m

Nonstop average

Distance

2229 km

Air route corridor

Best Time to Fly

November - March (Dry tropical season)

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: Bangkok to Kathmandu

Cheap flights from Bangkok (BKK) to Kathmandu (KTM). Compare Thai Airways fares from $129 with 0% fees on Prymeo.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between Suvarnabhumi Airport and Tribhuvan International, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

Thai Airways

Bangkok Airways

Nepal Airlines

Qatar Airways

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	Bangkok (BKK) to Kathmandu (KTM)
Flight Distance	2,229 kilometers / 1,385 miles
Average Flight Duration	3h 30m (nonstop)
Starting Fare	From $129 (0% added booking fees)
Operating Airlines	Thai Airways, Bangkok Airways, Nepal Airlines, Qatar Airways
Optimal Travel Season	November - March (Dry tropical season)

Return Flight Route

Kathmandu (KTM) to Bangkok (BKK)

Nonstop return tickets from $129 · 0% booking markup

View Return Leg

Frequently Asked Questions About This Route

How long is the flight from Bangkok to Kathmandu?

The nonstop flight takes approximately 3h 30m, traversing 2229 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.