Cheap Flights from Kathmandu (KTM) to Bangkok (BKK)

Frequently Asked Questions

• What are the cheapest flights from Kathmandu to Bangkok (KTM-BKK)?

  Based on Trip.com data, Thai AirAsia offers one-way fares as low as US$98 on Cheapest nonstop routes (e.g. KTM to DMK on Wed, Jul 1), while Srilankan Airlines offers Cheapest nonstop round-trips from US$277 departing on Sun, May 31 and returning on Wed, Jun 3.

• Which airlines offer direct flights from Kathmandu to Bangkok?

  At the moment, you can catch a nonstop flight from Kathmandu to Bangkok with the following airlines, including: Thai Lion Air Nepal Airlines Thai AirAsia Thai Airways IndiGo Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Kathmandu to Bangkok?

  It takes about 3 hours 25 minutes to fly from Kathmandu to Bangkok.

• When is the best time to book flights from Kathmandu to Bangkok?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kathmandu to Bangkok is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Kathmandu to Bangkok?

  Based on Trip.com data in the past 4 weeks, there is 2 flight per week flying from Kathmandu to Bangkok. You can check the weekly schedule for popular airlines on this route below: Nepal Airlines: S/-/T/-/T/-/- -- RA401 (11:31) Thai Airways: S/-/T/W/T/F/S -- TG310 (23:59) Thai Airways: S/M/T/W/T/F/S -- TG320 (14:23)

• How can I find the best deals on flights from Kathmandu to Bangkok?

  To find best deals on flights from Kathmandu to Bangkok, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Jul 1, with one-way flights priced at just US$98.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai AirAsia.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Bangkok travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Kathmandu (KTM) to Bangkok (BKK) the cheapest?

  The cheapest months to fly from Kathmandu to Bangkok is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Kathmandu to Bangkok on?

  After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Kathmandu to Bangkok on May 25, 2026 with Thai Lion Air, with prices starting at US$111.

• Which airports can I fly to for Bangkok from Kathmandu?

  You can land at any one of the following hubs in Bangkok, with Tribhuvan International Airport to Suvarnabhumi Airport (KTM-BKK) is by far the most common option on this route: Suvarnabhumi Airport (BKK) Don Mueang International Airport (DMK).

• Is there any time difference between Kathmandu and Bangkok?

  The time difference between Bangkok and Kathmandu is 1h.

• How do I change or cancel my ticket from Kathmandu to Bangkok?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.