KTM - BKK

$184 Find Cheap Flights from Kathmandu to Bangkok Suvarnabhumi Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$316
Typical prices: $337-$428
SriLankan Airlines
Thu 2/1Tue 2/20
KTM - BKK • 1 stop
Cheapest non-stop
$342
Typical prices: $337-$431
Thai Airways
Thu 10/11Mon 11/19
KTM - BKK • Non-stop
Nonstop flights
You can fly direct with Thai Airways and Nepal Airlines. Average duration is 3h 29m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 75% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 22% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 13% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $345 (round-trip)
Shortest trip • 10h 07m (one-way)
Insights
Insights
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We hope you love your trip to Bangkok Suvarnabhumi Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Kathmandu to Bangkok (KTM-BKK)

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

Recent round-trip flight deals from Kathmandu to Bangkok

Mon, Feb 1 - Sat, Feb 20
SriLankan Airlines Logo
12:50 pm - 12:35 pmKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
22h 30m1 stop Colombo Bandaranaike Intl
SriLankan Airlines Logo
8:10 am - 11:50 amBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
28h 55m1 stop Colombo Bandaranaike Intl
$316SriLankan Airlines
Sun, Oct 11 - Thu, Nov 19
Thai Airways Logo
12:25 am - 5:10 amKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
3h 30mnonstop
Thai Airways Logo
10:15 am - 12:25 pmBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
3h 25mnonstop
$342Thai Airways
Tue, Sep 22 - Sun, Sep 27
Thai Airways Logo
1:30 pm - 6:15 pmKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
3h 30mnonstop
Thai Airways Logo
10:15 am - 12:25 pmBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
3h 25mnonstop
$343Thai Airways
Wed, Dec 16 - Sat, Jan 16
Thai Airways Logo
12:25 am - 5:10 amKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
3h 30mnonstop
Thai Airways Logo
10:15 am - 12:25 pmBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
3h 25mnonstop
$343Thai Airways
Mon, Sep 14 - Mon, Sep 28
Nepal Airlines Logo
11:10 am - 3:45 pmKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
3h 20mnonstop
Nepal Airlines Logo
4:45 pm - 7:00 pmBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
3h 30mnonstop
$364Nepal Airlines
Fri, Sep 18 - Mon, Sep 28
Nepal Airlines Logo
11:10 am - 3:45 pmKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
3h 20mnonstop
Nepal Airlines Logo
4:45 pm - 7:00 pmBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
3h 30mnonstop
$364Nepal Airlines
Wed, Jan 6 - Mon, Jan 11
Air India Logo
7:35 am - 5:55 pmKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
9h 05m1 stop New Delhi Indira Gandhi Intl
Air India Logo
3:10 pm - 6:35 amBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
16h 40m1 stop New Delhi Indira Gandhi Intl
$375Air India
Fri, Feb 12 - Wed, Feb 17
Air India Logo
2:55 pm - 2:10 pmKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
22h 00m1 stop New Delhi Indira Gandhi Intl
Air India Logo
7:05 pm - 9:05 amBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
15h 15m1 stop New Delhi Indira Gandhi Intl
$390Air India
Mon, Sep 21 - Mon, Oct 5
Biman Bangladesh Logo
10:00 pm - 3:00 pmKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
15h 45m1 stop Dhaka Hazrat Shahjalal Intl
Biman Bangladesh Logo
4:15 pm - 9:00 pmBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
6h 00m1 stop Dhaka Hazrat Shahjalal Intl
$426Biman Bangladesh
Mon, Sep 21 - Mon, Oct 5
Biman Bangladesh Logo
10:00 pm - 3:00 pmKTM  Kathmandu Tribhuvan-BKK Bangkok Suvarnabhumi
15h 45m1 stop Dhaka Hazrat Shahjalal Intl
Biman Bangladesh Logo
4:15 pm - 9:00 pmBKK  Bangkok Suvarnabhumi-KTM Kathmandu Tribhuvan
6h 00m1 stop Dhaka Hazrat Shahjalal Intl
$428Biman Bangladesh
Booking Insights

Price, demand and travel trends for Kathmandu to Bangkok Suvarnabhumi Airport flights

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

How much is a round-trip flight from Kathmandu to Bangkok Suvarnabhumi Airport?

Round-trip flights from Kathmandu to Bangkok Suvarnabhumi Airport start at $316. Prices are below average for this route right now, with typical round-trip fares ranging from $337 to $428. The lowest price found in the past 5 days was $316 on SriLankan Airlines.

What's the cheapest day of the week to fly from Kathmandu to Bangkok Suvarnabhumi Airport?

Monday is the cheapest day of the week to fly from Kathmandu to Bangkok Suvarnabhumi Airport, it is 3% cheaper than the average day. Tuesday is the most expensive day with flight prices 7% 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 Suvarnabhumi Airport?

  • February is the cheapest month to fly from Kathmandu to Bangkok Suvarnabhumi Airport at $320 round-trip.
  • May ($434) and April ($430) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 35% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Kathmandu to Bangkok Suvarnabhumi Airport the cheapest?

Flights from Kathmandu to Bangkok Suvarnabhumi Airport are cheapest 21 weeks before departure. Booking in this window typically costs about 22% 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
Duncan Madden

Duncan Madden

Expert on BKK

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

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 Suvarnabhumi Airport flights

Low season

October

Cheapest flight

$184
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 13% increase in price.
Flight from Kathmandu to Bangkok Suvarnabhumi 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 Suvarnabhumi Airport flight questions, answered

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

  • Does Kathmandu Tribhuvan International Airport provide special airport facilities?

    Yes. KTM has enhanced accessibility for physically disabled passengers. It has ramps and toilet facilities modified for wheelchair use. If you are a business traveler, you can use the CIP lounge in the departure areas, but charges apply. It also has two press rooms.

  • How do I reach KTM from Kathmandu city center?

    To reach KTM, you can use transportation services such as microbus, shared taxis, and private taxis. The bus is the cheapest and most convenient way.

  • Does KTM offer parking services?

    Yes. KTM has parking facilities in front of the international terminal building for four-wheeled vehicles, including ordinary cars, pre-paid taxis, VIP, diplomatic and government vehicles. There are parking facilities in front of the domestic terminal building for two-wheeled vehicles.

  • How do I get to Khao San from Bangkok Airport?

    The easy and cheap way to get to Khao San is to take a bus through Bangkok Bus Line S1, whose sole purpose is to transport travelers from the airport to Khao San. However, take the train to avoid the pesky traffic congesting Bangkok streets daily. The airport train stops running at midnight.

  • Does the Bangkok Airport have unique attractions?

    Yes. The airport has fun architectural features as it was designed to resemble the natural landscapes of Thailand. For example, the roof of the main terminal building looks like a wave floating over the concourse below. You can check it out when you arrive at the airport.

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

    Among airlines operating Kathmandu to Bangkok Suvarnabhumi Airport flights:

    • Thai Airways: 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 Suvarnabhumi Airport?

    2 airlines operate flights between Kathmandu and Bangkok Suvarnabhumi Airport. The airlines offering nonstop flights on this route include:

    • Thai Airways
    • Nepal Airlines

  • Which airports can I use when flying from Kathmandu to Bangkok Suvarnabhumi Airport?

    Flights from Kathmandu to Bangkok Suvarnabhumi Airport usually depart from Kathmandu Tribhuvan (KTM) and arrive at Bangkok Suvarnabhumi (BKK).

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

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

    • Thai Airways: a cabin bag and a checked bag in Economy Class
    • Nepal Airlines: 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 Suvarnabhumi Airport?

    Three cabin classes are available on flights from Kathmandu to Bangkok Suvarnabhumi Airport:

    • Economy Class
    • Premium Economy Class
    • Business Class

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $345 round-trip via Colombo Bandaranaike Intl (CMB), compared to $367 for nonstop.

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

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $21–$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 Suvarnabhumi Airport?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by Thai Airways and Nepal Airlines. Other aircraft seen on the route include Airbus A330-300 variants.

  • Which airports do connecting flights from Kathmandu to Bangkok Suvarnabhumi Airport pass through?

    One-stop flights from Kathmandu to Bangkok Suvarnabhumi Airport most commonly connect through:

    • New Delhi Indira Gandhi Intl (DEL) - 58% of one-stop connections
    • Colombo Bandaranaike Intl (CMB) - 32% of one-stop connections
    • Dhaka Hazrat Shahjalal Intl (DAC) - 6% of one-stop connections
    • Singapore Changi (SIN) - 4% of one-stop connections

    New Delhi Indira Gandhi Intl (DEL) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 10% on the Kathmandu to Bangkok Suvarnabhumi Airport route. Monday is the cheapest departure day at $357 round-trip on average, while Tuesday is the most expensive at $396, a difference of $39. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Kathmandu to Bangkok Suvarnabhumi 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 Suvarnabhumi Airport route, 31% of flights were delayed in the past 3 months, with delays averaging 2 hours 9 minutes.

  • How are flight departures from Kathmandu to Bangkok Suvarnabhumi Airport spread across the day?

    Afternoon is the busiest departure period on Kathmandu to Bangkok Suvarnabhumi Airport flights, with 50% of flights leaving in that window. Night departures account for 50%, morning flights for 0%, and evening flights for 0%.

  • What popular places can I visit in Bangkok Suvarnabhumi Airport?

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

  • What are the earliest and latest flights from Kathmandu to Bangkok Suvarnabhumi Airport?

    These are the earliest and latest flight times available from Kathmandu to Bangkok Suvarnabhumi Airport:

    • Earliest: departs at 12:25 am and lands at 3:54 am
    • Latest: departs at 1:30 pm and lands at 4:59 pm.

    The flight takes about 3h 29m.

  • How expensive are last-minute Kathmandu to Bangkok Suvarnabhumi Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 13% above the route average of $367. Book 21 weeks before departure for the lowest fares.

  • How long is a flight from Kathmandu to Bangkok Suvarnabhumi Airport?

    A nonstop flight from Kathmandu to Bangkok Suvarnabhumi Airport takes 3h 29m, covering 1,384 miles.

  • Do I need a passport to fly from Kathmandu to Bangkok Suvarnabhumi 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 Suvarnabhumi 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 $316 to $2,495. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Kathmandu to Bangkok Suvarnabhumi Airport looking right now?

    One-way fares from Kathmandu to Bangkok Suvarnabhumi Airport are currently lower than usual. Average one-way flight prices are about $206, which is 13% below the typical average for this route.

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

    Night 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.

  • How much time can I save by choosing a different layover airport from Kathmandu to Bangkok Suvarnabhumi Airport?

    Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time at 10h 07m, compared with 10h 23m via New Delhi Indira Gandhi Intl (DEL) and 21h 59m via Dhaka Hazrat Shahjalal Intl (DAC).

  • What is the time difference between Kathmandu and Bangkok Suvarnabhumi Airport?

    Bangkok Suvarnabhumi 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 Suvarnabhumi Airport (BKK)?

    Bangkok Suvarnabhumi Airport (BKK) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:
    · Drive Car Rental
    · Alamo
    · Sixt
    · Yesaway
    · Hertz

  • How much should I expect to pay for a Kathmandu to Bangkok Suvarnabhumi Airport flight?

    Round-trip flights from Kathmandu to Bangkok Suvarnabhumi Airport range from $337 to $428, with an average of $367 over the past 12 months. Anything below $337 counts as a good deal.

Your guide to booking Kathmandu to Bangkok Suvarnabhumi 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 Monday departure instead of Tuesday. On this route, Monday flights average $357 - about $39 less than Tuesday (10% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 22% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Kathmandu to Bangkok Suvarnabhumi Airport trip for February. Fares historically average $320 round-trip in that month - typically $114 less than the most expensive month, which is May (based on the last 12 months).
  • If arriving on time is high on your priority list, Thai Airways is the strongest pick on this route. 75% of Thai Airways flights from Kathmandu to Bangkok Suvarnabhumi Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 69%. When flights on this route do arrive late, the average delay is 2 hours 9 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Colombo Bandaranaike Intl Airport (CMB) can be cheaper than flying direct. The cheapest layover option averages $345 round-trip on this route - about $23 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bangkok Suvarnabhumi Airport.
    - Regency Bangkok Suvarnabhumi Airpor
    - Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)
    - Suvarnabhumi Ville Airport Hotel
  • Travelers from Kathmandu can take their flights from Tribhuvan International Airport (KTM). It is located about 3.7 miles from the city center. It is the only airport that serves Kathmandu. You can book a nonstop flight from Kathmandu to Bangkok Airport. There are several nonstop flights every week to Bangkok Airport from Kathmandu.
  • When you choose to fly out of Kathmandu to Bangkok Suvarnabhumi Airport, you can use only Nepal airlines. It operates direct flights from Kathmandu to Bangkok Airport.
  • Bangkok Suvarnabhumi Airport (BKK) has two parallel runways and two parallel taxiways facilitating simultaneous departures and arrivals. There is also an electrical railway system that swiftly transports passengers to and from the city center. It has a first-class hotel with about 600 rooms run by Accor Group. It offers efficient and time-conscious services since it operates about 70 flights in an hour.
  • If you have a layover at Bangkok Airport, you can arrange a sightseeing tour at the tour desks on the arrivals levels. The airport has a Left Luggage storage area on the second floor. If you want to stay inside, you can relax at Boxtel, the airport’s sleeping box. Boxtel is an option for travelers in transit who need a quiet place to rest.
  • There is one currency exchange counter in the KTM departure lounge, and at the arrival lounge, there are two. The airport also has ATMs. There is also duty-free shopping and a souvenir shop located on the ground floor at the departures. The airport offers breast-feeding and senior citizen rooms at the departure and arrival areas.

Prefer to fly direct from Kathmandu to Bangkok Suvarnabhumi Airport?

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

Direct departures

Kathmandu Tribhuvan to Bangkok Suvarnabhumi

Monday

Nepal Airlines,Thai Airways

Nepal Airlines,Thai Airways

Tuesday

Thai Airways

Thai Airways

Wednesday

Thai Airways

Thai Airways

Thursday

Thai Airways

Thai Airways

Friday

Nepal Airlines,Thai Airways

Nepal Airlines,Thai Airways

Saturday

Thai Airways

Thai Airways

Sunday

Thai Airways

Thai Airways

See more direct flights

Direct returns

Bangkok Suvarnabhumi to Kathmandu Tribhuvan

Monday

Nepal Airlines,Thai Airways

Nepal Airlines,Thai Airways

Tuesday

Thai Airways

Thai Airways

Wednesday

Thai Airways

Thai Airways

Thursday

Thai Airways

Thai Airways

Friday

Nepal Airlines,Thai Airways

Nepal Airlines,Thai Airways

Saturday

Thai Airways

Thai Airways

Sunday

Thai Airways

Thai Airways

See more direct flights

Everything you need to know for your flight from Kathmandu to Bangkok

Information on your arrival and departure airports