$154 Cheap Flights from Kathmandu (KTM) to Bangkok (DMK)

View $154 flight on Sun, Nov 30, 2025Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)

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Cheap Flights from Kathmandu to Bangkok (KTM-DMK)

Prices were available within the past 7 days and start at $154 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Lion Mantari
Tue, Oct 21 - Sun, Oct 26
KTM
Kathmandu
DMK
Bangkok
$299 Roundtrip, found 3 days ago
$299
Roundtrip
found 3 days ago
Select Thai Lion Mantari flight, departing Tue, Oct 21 from Kathmandu to Bangkok, returning Sun, Oct 26, priced at $299 found 3 days ago
Thai Lion Mantari
Wed, Nov 12 - Tue, Nov 25
KTM
Kathmandu
DMK
Bangkok
$300 Roundtrip, found 2 days ago
$300
Roundtrip
found 2 days ago
Select Thai Lion Mantari flight, departing Wed, Nov 12 from Kathmandu to Bangkok, returning Tue, Nov 25, priced at $300 found 2 days ago
Thai Lion Mantari
Mon, Jan 12 - Mon, Feb 9
KTM
Kathmandu
DMK
Bangkok
$308 Roundtrip, just found
$308
Roundtrip
just found
Select Thai Lion Mantari flight, departing Mon, Jan 12 from Kathmandu to Bangkok, returning Mon, Feb 9, priced at $308 just found
Thai Lion Mantari
Thu, Oct 2 - Tue, Oct 14
KTM
Kathmandu
DMK
Bangkok
$308 Roundtrip, found 19 hours ago
$308
Roundtrip
found 19 hours ago
Select Thai Lion Mantari flight, departing Thu, Oct 2 from Kathmandu to Bangkok, returning Tue, Oct 14, priced at $308 found 19 hours ago
Thai Lion Mantari
Fri, Jan 16 - Wed, Jan 21
KTM
Kathmandu
DMK
Bangkok
$361 Roundtrip, found 6 days ago
$361
Roundtrip
found 6 days ago
Select Thai Lion Mantari flight, departing Fri, Jan 16 from Kathmandu to Bangkok, returning Wed, Jan 21, priced at $361 found 6 days ago
Thai Lion Mantari
Sun, Sep 21 - Tue, Oct 7
KTM
Kathmandu
DMK
Bangkok
$364 Roundtrip, found 1 day ago
$364
Roundtrip
found 1 day ago
Select Thai Lion Mantari flight, departing Sun, Sep 21 from Kathmandu to Bangkok, returning Tue, Oct 7, priced at $364 found 1 day ago
Thai Lion Mantari
Thu, Oct 2 - Sun, Oct 12
KTM
Kathmandu
DMK
Bangkok
$365 Roundtrip, found 19 hours ago
$365
Roundtrip
found 19 hours ago
Select Thai Lion Mantari flight, departing Thu, Oct 2 from Kathmandu to Bangkok, returning Sun, Oct 12, priced at $365 found 19 hours ago
Thai Lion Mantari
Mon, Nov 3 - Wed, Nov 12
KTM
Kathmandu
DMK
Bangkok
$370 Roundtrip, just found
$370
Roundtrip
just found
Select Thai Lion Mantari flight, departing Mon, Nov 3 from Kathmandu to Bangkok, returning Wed, Nov 12, priced at $370 just found
Thai Lion Mantari
Thu, Nov 27 - Thu, Dec 4
KTM
Kathmandu
DMK
Bangkok
$383 Roundtrip, found 3 days ago
$383
Roundtrip
found 3 days ago
Select Thai Lion Mantari flight, departing Thu, Nov 27 from Kathmandu to Bangkok, returning Thu, Dec 4, priced at $383 found 3 days ago
Batik air
Mon, Sep 29 - Tue, Oct 14
KTM
Kathmandu
DMK
Bangkok
$507 Roundtrip, found 4 days ago
$507
Roundtrip
found 4 days ago
Select Batik air flight, departing Mon, Sep 29 from Kathmandu to Bangkok, returning Tue, Oct 14, priced at $507 found 4 days ago

Alternative airports near Bangkok

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

Select flight to Don Mueang Intl. DMK. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $371
DMK
Don Mueang Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $371
Flights from Kathmandu (KTM) to Bangkok (DMK)
Origin airport
Tribhuvan Intl.
Destination airport
Don Mueang Intl.
Airlines serving
Batik air , Thai Lion Mantari
Roundtrip price
$299
Distance
1366 mi
Average flight time
4 hours 32 mins

Kathmandu to Bangkok Flights

The cheapest times to fly from Kathmandu to Bangkok

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 Kathmandu to Bangkok are during the month of October. You can find some of the cheapest flights from Kathmandu to Bangkok with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kathmandu to Bangkok

Sunday is one of the best days to book for cheap flights from Kathmandu to Bangkok: 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 Kathmandu to Bangkok

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 Kathmandu to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from $154 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 Kathmandu to Bangkok 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 Kathmandu to Bangkok 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 Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK) cost?
Grab a cheap one-way flight from $154 or cheap return flight from $299 from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)?
The cheapest month to fly from KTM to DMK is October, when there's less demand. Off-peak months are generally when you'll find lower airfares between these airports.
Which airlines fly direct from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)?
When setting off from Tribhuvan Intl. Airport (KTM), you can jump on a nonstop flight to Don Mueang Intl. Airport (DMK) with Thai AirAsia.
What is the cheapest airline that flies from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)?
While prices can vary depending on your travel dates, budget airlines like Thai AirAsia and Thai Lion Air are typically the cheapest options for flights between Tribhuvan Intl. Airport (KTM) and Don Mueang Intl. Airport (DMK). Use Expedia's filter tool to compare carriers and find the one that offers the lowest fare for your KTM to DMK flight.
How many flights per day from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)?
On average, only 1 nonstop flight departs daily from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK). Need more options? Use our filter tool to find flights with layovers and explore a new city along the way.
What are the most popular departure times for flights from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)?
The 3 PM departures from KTM to DMK are the most sought after. Greater demand means you'll likely pay more for these departures. If you want to save money, book during off-peak hours.
What day of the week has the most flights from KTM to DMK?
Friday has the most flights from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK). Consider jetting off on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)?
Tribhuvan Intl. Airport (KTM)'s earliest flight to Don Mueang Intl. Airport (DMK) departs at approximately 2:25PM UTC+5. With a flight time of 3h 10m, you'll land at around 6:50PM UTC+7.
How long does it take to fly from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)?
The average flight duration from KTM to DMK is 3 hours and 17 minutes, covering a distance of 1,350 mi.
What is the best time to fly from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)?
To touch down at Don Mueang Intl. Airport (DMK) on time, pick a flight that leaves Tribhuvan Intl. Airport (KTM) 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 Bangkok from Tribhuvan Intl. Airport (KTM)?
You can touch down at Suvarnabhumi Intl. Airport (BKK) or Don Mueang Intl. Airport (DMK) when you travel to Bangkok on a direct flight from Tribhuvan Intl. Airport (KTM).
Is it cheaper to buy a plane ticket from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK) last-minute?
Booking your ticket from KTM to DMK right before your journey is typically more expensive. However, if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a KTM to DMK flight and hotel package?
Booking a KTM to DMK flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Tribhuvan Intl. Airport (KTM) to Don Mueang Intl. Airport (DMK)?
In most cases, you're able to cancel or reschedule your KTM to DMK flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.