$160 Cheap Flights from Bangkok (BKK) to Kathmandu (KTM)

View $160 flight on Tue, Aug 26, 2025Opens in a new window

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

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Cheap Flights from Bangkok to Kathmandu (BKK-KTM)

Prices were available within the past 7 days and start at $160 for one-way flights and $342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

IndiGo
Tue, Aug 26 - Sat, Aug 30
BKK
Bangkok
KTM
Kathmandu
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select IndiGo flight, departing Tue, Aug 26 from Bangkok to Kathmandu, returning Sat, Aug 30, priced at $342 found 3 days ago
IndiGo
Tue, Aug 26 - Fri, Aug 29
BKK
Bangkok
KTM
Kathmandu
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select IndiGo flight, departing Tue, Aug 26 from Bangkok to Kathmandu, returning Fri, Aug 29, priced at $349 found 2 days ago
IndiGo
Thu, Aug 21 - Sat, Aug 30
BKK
Bangkok
KTM
Kathmandu
$350 Roundtrip, found 1 day ago
$350
Roundtrip
found 1 day ago
Select IndiGo flight, departing Thu, Aug 21 from Bangkok to Kathmandu, returning Sat, Aug 30, priced at $350 found 1 day ago
IndiGo
Wed, Aug 27 - Sun, Aug 31
BKK
Bangkok
KTM
Kathmandu
$354 Roundtrip, found 4 days ago
$354
Roundtrip
found 4 days ago
Select IndiGo flight, departing Wed, Aug 27 from Bangkok to Kathmandu, returning Sun, Aug 31, priced at $354 found 4 days ago
IndiGo
Thu, Aug 21 - Sun, Aug 31
BKK
Bangkok
KTM
Kathmandu
$355 Roundtrip, found 3 days ago
$355
Roundtrip
found 3 days ago
Select IndiGo flight, departing Thu, Aug 21 from Bangkok to Kathmandu, returning Sun, Aug 31, priced at $355 found 3 days ago
IndiGo
Wed, Aug 27 - Wed, Sep 3
BKK
Bangkok
KTM
Kathmandu
$356 Roundtrip, found 1 day ago
$356
Roundtrip
found 1 day ago
Select IndiGo flight, departing Wed, Aug 27 from Bangkok to Kathmandu, returning Wed, Sep 3, priced at $356 found 1 day ago
China Southern Airlines
Sat, Aug 30 - Wed, Sep 3
BKK
Bangkok
KTM
Kathmandu
$361 Roundtrip, found 11 hours ago
$361
Roundtrip
found 11 hours ago
Select China Southern Airlines flight, departing Sat, Aug 30 from Bangkok to Kathmandu, returning Wed, Sep 3, priced at $361 found 11 hours ago
SriLankan Airlines
Sat, Aug 30 - Wed, Sep 3
BKK
Bangkok
KTM
Kathmandu
$389 Roundtrip, found 11 hours ago
$389
Roundtrip
found 11 hours ago
Select SriLankan Airlines flight, departing Sat, Aug 30 from Bangkok to Kathmandu, returning Wed, Sep 3, priced at $389 found 11 hours ago
Air India
Tue, Aug 26 - Fri, Aug 29
BKK
Bangkok
KTM
Kathmandu
$406 Roundtrip, found 2 days ago
$406
Roundtrip
found 2 days ago
Select Air India flight, departing Tue, Aug 26 from Bangkok to Kathmandu, returning Fri, Aug 29, priced at $406 found 2 days ago
Malaysia Airlines
Sun, May 10 - Sun, May 24
BKK
Bangkok
KTM
Kathmandu
$423 Roundtrip, found 6 days ago
$423
Roundtrip
found 6 days ago
Select Malaysia Airlines flight, departing Sun, May 10 from Bangkok to Kathmandu, returning Sun, May 24, priced at $423 found 6 days ago

Alternative airports near Kathmandu

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

Select flight to Tribhuvan Intl. KTM. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $329
KTM
Tribhuvan Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $329
Flights from Bangkok (BKK) to Kathmandu (KTM)
Origin airport
Suvarnabhumi Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air China, Air India, 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
$342
Distance
1385 mi
Average flight time
2 hours 11 mins

Bangkok to Kathmandu Flights

The cheapest times to fly from Bangkok to Kathmandu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bangkok to Kathmandu are during the month of August. You can find some of the cheapest flights from Bangkok to Kathmandu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bangkok to Kathmandu

Sunday is one of the best days to book for cheap flights from Bangkok to Kathmandu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bangkok to Kathmandu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bangkok to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $160 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bangkok to Kathmandu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bangkok to Kathmandu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM) cost?
Snag a cheap one-way flight from $160 or cheap return flight from $342 from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)?
The cheapest month to fly from BKK to KTM is August, when there's less demand. Off-peak season is typically when better flight deals are available between these airports.
Which airlines fly direct from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)?
Fly directly from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM) on a Thai Airways International flight.
What is the cheapest airline that flies from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)?
The cheapest airline to offer flights between Suvarnabhumi Intl. Airport (BKK) and Tribhuvan Intl. Airport (KTM) will change depending on when you want to travel. Nepal Airlines and Thai Airways International are just some well-known options offering competitive fares. Use Expedia's filter tool to compare airlines in one place and find the right BKK to KTM flight that fits your budget.
How many flights per day from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)?
Every day on average, 2 direct flights operate from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM). Select the departure time that best suits your plans.
What are the most popular departure times for flights from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)?
More travelers fly between BKK and KTM at 10 AM than at any other point in the day. Rather skip the crowds? Travel outside of rush hours and it's possible you'll save on your ticket as well.
What day of the week has the most flights from BKK to KTM?
If you depart on a Wednesday, you'll get the greatest range of choices for flights from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM).
What is the earliest flight from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)?
Suvarnabhumi Intl. Airport (BKK)'s earliest flight to Tribhuvan Intl. Airport (KTM) takes off at approximately 10:15AM UTC+7. With a flight time of 3h 25m, you'll touch down at around 12:25PM UTC+5.
How long does it take to fly from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)?
The average flight time from BKK to KTM is 3 hours and 25 minutes, covering a total distance of 1,400 mi.
What airline has the least delays from BKK to KTM?
Thai Airways International has the best performance for on-time direct flights from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM), with an on-time rating of 81%. Use the Expedia App to look up your flight status before you go and get real-time alerts about any trip changes.
What is the best time to fly from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)?
To reach Tribhuvan Intl. Airport (KTM) without delays, pick a flight that leaves from Suvarnabhumi Intl. Airport (BKK) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Kathmandu from Suvarnabhumi Intl. Airport (BKK)?
Explore your flight options from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM). This is the only Kathmandu airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM) last-minute?
Last-minute bookings from BKK to KTM are generally more expensive. For the best rates, start looking for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a BKK to KTM flight and hotel package?
You can save money by securing a BKK to KTM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your preferred flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Suvarnabhumi Intl. Airport (BKK) to Tribhuvan Intl. Airport (KTM)?
Generally, it's possible to reschedule or cancel your BKK to KTM flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.