Cheap Flights from Kathmandu to Bangkok from $177

Frequently Asked Questions

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

  Based on Trip.com data, Thai Lion Air offers one-way fares as low as $177 on Cheapest nonstop routes (e.g. KTM to DMK on Mon, Oct 5), while Thai Lion Air offers Cheapest nonstop round-trips from $321 departing on Fri, Sep 25 and returning on Sun, Sep 27.

• 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 Airways Nepal Airlines Thai Lion Air IndiGo Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Kathmandu (KTM) to Bangkok (BKK) and what is the distance?

  It takes around 3 hours 26 minutes to fly from Kathmandu (KTM) to Bangkok (BKK).

• 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 16 flight per week flying from Kathmandu to Bangkok. You can check the weekly schedule for popular airlines on this route below: Thai Airways: S/M/T/W/T/F/S -- TG320 (13:47) Thai Airways: S/M/T/W/T/F/S -- TG310 (00:38) Nepal Airlines: S/-/-/W/T/-/S -- RA401 (11:56)

• 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 Mon, Oct 5, with one-way flights priced at just $177.
  · 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 Lion Air.
  · 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 September flight calendar, it's currently cheapest to fly from Kathmandu to Bangkok on September 25, 2026 with Thai Lion Air, with prices starting at $136.

• Which airports can I fly into Bangkok from Kathmandu?

  You can arrive at any of the following airports in Bangkok: Suvarnabhumi Airport (BKK), and Don Mueang International Airport (DMK). Flights from Tribhuvan International Airport to Suvarnabhumi Airport (KTM-BKK) are by far the most popular option for this route.

• 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.

• What is the average cost of a one-way flight from Kathmandu to Bangkok?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Kathmandu to Bangkok is $385. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Kathmandu to Bangkok?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Kathmandu to Bangkok is $569. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Kathmandu to Bangkok on Trip.com?

  Enter Kathmandu and Bangkok, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Kathmandu to Bangkok route?

  Thai Lion Air and IndiGoare the most popular budget airlines flying from Kathmandu to Bangkok. Check baggage, seat and payment fees before comparing the final price.