A white temple on a lake with a bridge in the foreground and colorful buildings in the background.

CA $229 Cheap Flights from Bangkok (BKK) to Kathmandu (KTM)

Popular airlines from Suvarnabhumi International Airport (BKK) to Tribhuvan Intl. Airport (KTM)

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

Prices were available within the past 7 days and start at CA $229 for one-way flights and CA $556 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Thai Airways International
Thai Airways International
SriLankan Airlines
Air India
SriLankan Airlines
Air India
Air India
China Southern Airlines
Air India Express

Alternative airports near Kathmandu

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Bangkok (BKK) to Kathmandu (KTM)

June is typically the cheapest month to fly

From CA $427 - CA $683 per traveller.

Frequently asked questions

How much does a flight from Bangkok (BKK) to Kathmandu (KTM) cost?
You can find cheap one-way flights from CA $229 and cheap return flights from CA $556 BKK to KTM with Expedia. One-way flights typically cost between CA$337 and CA$1,023 and return flights often range between CA$664 and CA$1,295. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when BKK to KTM ticket fares go up or down.
What is the cheapest month to fly from Bangkok (BKK) to Kathmandu (KTM)?
The cheapest months to fly from Bangkok (BKK) to Kathmandu (KTM) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
Only one airline offers direct flights from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.). Thai Airways International operates 14 direct flights from BKK to KTM every week.
How do I find cheap flights from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
To find a cheap flight from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The best airline to fly with from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.) will differ from traveler to traveler. If you like to fly early, Thai Airways International offers early morning flights. If price is the most important factor, Thai Lion Mantari typically offers the lowest fares. Air India Express offers the most daily flights from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The cheapest months to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.) are typically August and July, with average return flights around CA$594. However, the most popular months for this route are June and October, meaning you'll find plenty of flight options during those times. While there isn't a single month that is both the cheapest and most popular, you can weigh whether saving on your fare or having more flight choices is more important for your trip.
How many flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
You'll find approximately 2 nonstop flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.). For even more choices, look at flights that include layovers, as there are around 66 connecting flights per day. Some common connection points include Indira Gandhi Intl. (DEL), Baiyun Intl. (CAN), and Dubai Intl. (DXB).
What is the earliest flight from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The earliest flight from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.) typically departs around 12:10 AM. This service is offered by Scoot and Singapore Airlines. This is a seasonal service, active in September and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
You'll find the most flights from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.) on Wednesdays, with around 57 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include China Southern Airlines, Singapore Airlines, and Cathay Pacific. Flight schedules are quite consistent throughout the week, so you'll have plenty of choices no matter which day you choose to fly.
What are the most popular departure times for flights from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The most popular departure times for flights from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.) are between 9am and 12pm. Many major carriers, including Thai Airways International, IndiGo and Malindo Air, offer flights during this window. Many travelers prefer this time as it allows for a relaxed start to the day and an afternoon arrival at your destination.
How long does it take to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
A direct flight from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.) typically takes around 3 hours 30 minutes. This route covers a distance of approximately 2,231 kilometres. If you opt for a one-stop flight, your travel time will be significantly longer, usually around 23 hours. Flights with two or more stops generally take even longer, averaging about 24 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
You can fly business class between BKK and KTM. Airlines that offer business class service on this route include:
  • Malaysia Airlines
  • Air India
  • Singapore Airlines
  • Thai Airways International
  • China Eastern Airlines
  • SriLankan Airlines
  • Shanghai Airlines
  • Emirates
  • China Southern Airlines
  • Turkish Airlines
  • Air China
  • Air India Express
  • Cathay Pacific
  • Sichuan Airlines
  • Malindo Air
How much is a business class flight from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
A direct, return business class ticket from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.) typically costs between CA$1690 - CA$2328. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.) if you opt for a connecting flight.
How do I earn miles on a Bangkok (BKK) to Kathmandu (KTM) flight with Expedia?
It's easy to earn miles on a Bangkok (BKK) to Kathmandu (KTM) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kathmandu (KTM) from Bangkok (BKK)?
If you're planning to travel to Kathmandu from Suvarnabhumi Intl. (BKK), you can fly directly into Tribhuvan Intl. (KTM). Some flights may connect through major hubs like Lohegaon (PNQ), Kempegowda Intl. (BLR), or Pudong Intl. (PVG) before reaching Kathmandu. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Bangkok (BKK) to Kathmandu (KTM) at the last minute?
Typically, booking a last minute flight from Bangkok (BKK) to Kathmandu (KTM) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Bangkok (BKK) to Kathmandu (KTM) flight and hotel package?
Securing a Bangkok (BKK) to Kathmandu (KTM) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
If you booked your Bangkok (BKK-Suvarnabhumi Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Suvarnabhumi Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air China, Air India, Air India Express, Cathay Pacific, China Eastern Airlines, China Southern Airlines, Emirates, Etihad Airways, IndiGo, Malaysia Airlines, Sichuan Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International
Roundtrip price
CA $555
Distance
2216 km
Average flight time
2 hours 11 mins

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