KTM - DMK

$168 Find Cheap Flights from Kathmandu to Bangkok Don Mueang Intl - Compare and Save

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Everything you should know

Cheapest round-trip
$359
Typical prices: $219-$296
Thai Lion Air
Tue 11/6Fri 11/16
KTM - DMK • Non-stop
Cheapest one-way
$168
Typical prices: $125-$185
Thai Lion Air
Fri 10/19
KTM - DMK • Non-stop
Nonstop flights
You can fly direct with Thai Lion Air. Average duration is 3h 20m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 59% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 31% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 14% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Bangkok Don Mueang Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Kathmandu to Bangkok (KTM-DMK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kathmandu to Bangkok

Fri, Nov 6 - Mon, Nov 16
Thai Lion Air Logo
3:05 pm - 7:40 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
3h 20mnonstop
Thai Lion Air Logo
12:00 pm - 2:05 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
3h 20mnonstop
$359Thai Lion Air
Sun, Dec 13 - Sun, Dec 20
Thai Lion Air Logo
3:05 pm - 7:40 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
3h 20mnonstop
Thai Lion Air Logo
12:00 pm - 2:05 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
3h 20mnonstop
$362Thai Lion Air
Fri, Dec 18 - Sun, Dec 20
Thai Lion Air Logo
3:05 pm - 7:40 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
3h 20mnonstop
Thai Lion Air Logo
12:00 pm - 2:05 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
3h 20mnonstop
$363Thai Lion Air
Mon, Dec 14 - Sun, Dec 20
Thai Lion Air Logo
3:05 pm - 7:40 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
3h 20mnonstop
Thai Lion Air Logo
12:00 pm - 2:05 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
3h 20mnonstop
$363Thai Lion Air
Wed, Dec 16 - Sun, Dec 20
Thai Lion Air Logo
3:05 pm - 7:40 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
3h 20mnonstop
Thai Lion Air Logo
12:00 pm - 2:05 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
3h 20mnonstop
$367Thai Lion Air
Mon, Jan 11 - Mon, Jan 18
Thai Lion Air Logo
3:05 pm - 7:40 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
3h 20mnonstop
Thai Lion Air Logo
12:00 pm - 2:05 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
3h 20mnonstop
$371Thai Lion Air
Mon, Jan 11 - Sun, Jan 17
Thai Lion Air Logo
3:05 pm - 7:40 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
3h 20mnonstop
Thai Lion Air Logo
12:00 pm - 2:05 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
3h 20mnonstop
$376Thai Lion Air
Wed, Jan 13 - Mon, Jan 18
Thai Lion Air Logo
3:05 pm - 7:40 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
3h 20mnonstop
Thai Lion Air Logo
12:00 pm - 2:05 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
3h 20mnonstop
$376Thai Lion Air
Fri, Nov 6 - Mon, Nov 16
Multiple Airlines Logo
3:05 pm - 7:40 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
3h 20mnonstop
Multiple Airlines Logo
1:30 pm - 10:55 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
10h 40m1 stop New Delhi Indira Gandhi Intl
$466Multiple Airlines
Thu, Jan 14 - Mon, Jan 18
Multiple Airlines Logo
7:35 am - 10:05 pmKTM  Kathmandu Tribhuvan-DMK Bangkok Don Mueang Intl
13h 15m2 stops New Delhi Indira Gandhi Intl Phuket City
Multiple Airlines Logo
12:00 pm - 2:05 pmDMK  Bangkok Don Mueang Intl-KTM Kathmandu Tribhuvan
3h 20mnonstop
$479Multiple Airlines
Booking Insights

Price, demand and travel trends for Kathmandu to Bangkok Don Mueang Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Kathmandu to Bangkok Don Mueang Intl Airport with more confidence.

How much is a round-trip flight from Kathmandu to Bangkok Don Mueang Intl Airport?

Round-trip flights from Kathmandu to Bangkok Don Mueang Intl Airport start at $359. Prices are above average for this route right now, with typical round-trip fares ranging from $219 to $296. The lowest price found in the past 5 days was $359 on Thai Lion Air.

What's the cheapest day of the week to fly from Kathmandu to Bangkok Don Mueang Intl Airport?

Sunday is the cheapest day of the week to fly from Kathmandu to Bangkok Don Mueang Intl Airport, it is 2% cheaper than the average day. Saturday is the most expensive day with flight prices 11% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Kathmandu to Bangkok Don Mueang Intl Airport?

  • January is the cheapest month to fly from Kathmandu to Bangkok Don Mueang Intl Airport at $214 round-trip.
  • September ($292) and October ($287) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 36% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Kathmandu to Bangkok Don Mueang Intl Airport the cheapest?

Flights from Kathmandu to Bangkok Don Mueang Intl Airport are cheapest 16 weeks before departure. Booking in this window typically costs about 31% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Kathmandu to Bangkok

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Robert Schrader

Robert Schrader

Expert on Thai Lion Air, Thai AirAsia and DMK

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Daniel Scheffler

Daniel Scheffler

Expert on KTM

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Key details for Kathmandu to Bangkok Don Mueang Intl Airport flights

Low season

July

Cheapest flight

$168
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from Kathmandu to Bangkok Don Mueang Intl Airport

When to book flights from Kathmandu to Bangkok

Are your dates flexible? Find out the best times to travel from Kathmandu to Bangkok based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Kathmandu to Bangkok Don Mueang Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Kathmandu to Bangkok Don Mueang Intl Airport flights?

    Among airlines operating Kathmandu to Bangkok Don Mueang Intl Airport flights:

    • Thai Lion Air: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Kathmandu to Bangkok Don Mueang Intl Airport?

    Only Thai Lion Air operates flights between Kathmandu and Bangkok Don Mueang Intl Airport.

  • Which airports can I use when flying from Kathmandu to Bangkok Don Mueang Intl Airport?

    Flights from Kathmandu to Bangkok Don Mueang Intl Airport usually depart from Kathmandu Tribhuvan (KTM) and arrive at Bangkok Don Mueang Intl (DMK).

  • Which airlines include bags at no extra cost on Kathmandu to Bangkok Don Mueang Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Thai Lion Air: a cabin bag and a checked bag in Economy Class
    • Thai AirAsia: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Kathmandu to Bangkok Don Mueang Intl Airport?

    Only Economy Class is available on flights from Kathmandu to Bangkok Don Mueang Intl Airport.

  • How much can I save by taking a layover when flying from Kathmandu to Bangkok Don Mueang Intl Airport?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $249 round-trip, compared to $581 via a layover through New Delhi Indira Gandhi Intl (DEL).

  • What is the standard checked-bag allowance on flights from Kathmandu to Bangkok Don Mueang Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $20–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Kathmandu to Bangkok Don Mueang Intl Airport?

    The Boeing 737-800 family is used most often on this route, operated mainly by Thai Lion Air and Singapore Airlines. Other aircraft seen on the route include Airbus A330-300 variants.

  • Which airports do connecting flights from Kathmandu to Bangkok Don Mueang Intl Airport pass through?

    Most connecting flights from Kathmandu to Bangkok Don Mueang Intl Airport pass through New Delhi Indira Gandhi Intl (DEL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Kathmandu to Bangkok Don Mueang Intl Airport?

    On the Kathmandu to Bangkok Don Mueang Intl Airport route, being flexible with your departure day can save you up to 12%. Sunday is the cheapest day at $245 round-trip on average, while Saturday is the most expensive at $278: a $33 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • At what point is a flight considered delayed from Kathmandu to Bangkok Don Mueang Intl Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Kathmandu to Bangkok Don Mueang Intl Airport route, 53% of flights were delayed in the past 3 months, with delays averaging 1 hour 57 minutes.

  • What popular places can I visit in Bangkok Don Mueang Intl Airport?

    Some of the most popular sights in Bangkok Don Mueang Intl Airport are Pratunam, Terminal 21 and Phrom Phong BTS Skytrain Station. These are among the most viewed places in Bangkok Don Mueang Intl Airport on KAYAK.

  • What are the earliest and latest flights from Kathmandu to Bangkok Don Mueang Intl Airport?

    These are the earliest and latest flight times available from Kathmandu to Bangkok Don Mueang Intl Airport:

    • Earliest: departs at 3:05 pm and lands at 6:25 pm
    • Latest: departs at 3:05 pm and lands at 6:25 pm.

    The flight takes about 3h 20m.

  • How expensive are last-minute Kathmandu to Bangkok Don Mueang Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 12% above the route average of $249. Book 16 weeks before departure for the lowest fares.

  • How long is a flight from Kathmandu to Bangkok Don Mueang Intl Airport?

    A nonstop flight from Kathmandu to Bangkok Don Mueang Intl Airport takes 3h 20m, covering 1,366 miles.

  • Do I need a passport to fly from Kathmandu to Bangkok Don Mueang Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Kathmandu to Bangkok Don Mueang Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $359 to $1,233. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Kathmandu to Bangkok Don Mueang Intl Airport looking right now?

    One-way fares from Kathmandu to Bangkok Don Mueang Intl Airport are currently higher than usual. Average one-way flight prices are about $194, which is 30% above the typical average for this route.

  • How do delay rates compare for morning and evening flights from Kathmandu to Bangkok Don Mueang Intl Airport?

    Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • What is the time difference between Kathmandu and Bangkok Don Mueang Intl Airport?

    Bangkok Don Mueang Intl Airport is 1 hour ahead of Kathmandu (Indochina Time vs Nepal Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Bangkok Don Mueang Intl Airport (DMK)?

    Bangkok Don Mueang Intl Airport (DMK) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
    · Drive Car Rental
    · Alamo
    · THAIRENTACAR
    · Enterprise Rent-A-Car
    · Chic Car Rent

  • How much should I expect to pay for a Kathmandu to Bangkok Don Mueang Intl Airport flight?

    Round-trip flights from Kathmandu to Bangkok Don Mueang Intl Airport range from $219 to $296, with an average of $249 over the past 12 months. Anything below $219 counts as a good deal.

Your guide to booking Kathmandu to Bangkok Don Mueang Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Saturday. On this route, Sunday flights average $245 - about $33 less than Saturday (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 31% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Kathmandu to Bangkok Don Mueang Intl Airport trip for January. Fares historically average $214 round-trip in that month - typically $78 less than the most expensive month, which is September (based on the last 12 months).
  • If arriving on time is high on your priority list, AirAsia is the strongest pick on this route. 59% of AirAsia flights from Kathmandu to Bangkok Don Mueang Intl Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 47%. When flights on this route do arrive late, the average delay is 1 hour 57 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bangkok Don Mueang Intl Airport.
    - Amari Don Muang Airport Bangkok
    - B-Your Home Hotel Donmueang Airport Bangkok
    - 12 The Residence Hotel - Don Mueang Airport

Prefer to fly direct from Kathmandu to Bangkok Don Mueang Intl?

 
Find which airlines fly direct from Kathmandu Tribhuvan Airport to Bangkok Don Mueang Intl Airport, which days they fly and book direct flights.

Direct departures

Kathmandu Tribhuvan to Bangkok Don Mueang Intl

Monday

Thai Lion Air

Thai Lion Air

Wednesday

Thai Lion Air

Thai Lion Air

Friday

Thai Lion Air

Thai Lion Air

Sunday

Thai Lion Air

Thai Lion Air

See more direct flights

Direct returns

Bangkok Don Mueang Intl to Kathmandu Tribhuvan

Monday

Thai Lion Air

Thai Lion Air

Wednesday

Thai Lion Air

Thai Lion Air

Friday

Thai Lion Air

Thai Lion Air

Sunday

Thai Lion Air

Thai Lion Air

See more direct flights

More options for your flight from Kathmandu to Bangkok

Complete your trip to Bangkok with a hotel stay or car rental