KTM

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Everything you should know

Direct flights
You can fly direct with Thai Airways, Nepal Airlines, and Himalaya Airlines. Average duration is 3h 26m
Direct flights
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Direct flights
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Top routes
Cheapest • 24% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 81% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 23 weeks in advance save around 43% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
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Good to know
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Top stopover airports
Cheapest • Avg ฿14,084 (return)
Shortest trip • 11h 49m (one-way)
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Insights
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Flight Deals

Cheap Flights from Bangkok to Kathmandu

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

Recent return flight deals from Bangkok to Kathmandu

Multiple Airlines Logo
TH1  Glasgow Thorntonhall-KTM Kathmandu Tribhuvan
3550 kmmulti-stop
Multiple Airlines Logo
KTM  Kathmandu Tribhuvan-TH1 Glasgow Thorntonhall
3550 kmmulti-stop
Multiple Airlines
Booking Insights

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

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

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

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Bangkok to Kathmandu. It's 2% cheaper than the average day, while Thursday is the most expensive, with prices 16% higher.

What is the cheapest month to fly from Bangkok to Kathmandu?

•January is the cheapest month to fly from Bangkok to Kathmandu at ฿8,985 return.
•July (฿16,213) and August (฿15,267) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 80% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Bangkok to Kathmandu the cheapest?

Flights from Bangkok to Kathmandu are cheapest 23 weeks before departure. Booking in this window typically costs about 43% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Bangkok to Kathmandu flights

Low season

July
Beat the crowds with an average 69% drop in travellers.
The most popular month to fly with an average 54% increase in travellers.

When to book flights from Bangkok to Kathmandu

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

Your Bangkok to Kathmandu flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

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

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

    • Earliest: departs at 10:15 and lands at 13:41
    • Latest: departs at 21:15 and lands at 00:41.

    The flight takes about 3h 26m.

  • Which cabin classes can I book on flights from Bangkok to Kathmandu?

    Two cabin classes are available on flights from Bangkok to Kathmandu:

    • Economy class
    • Business Class

  • How long is a flight from Bangkok to Kathmandu?

    A direct flight from Bangkok to Kathmandu takes 3h 26m, covering 3,550 km.

  • Do I need a passport to fly from Bangkok to Kathmandu?

    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.

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

    Return flights from Bangkok to Kathmandu range from ฿8,647 to ฿15,596, with an average of ฿11,781 over the past 12 months. Anything below ฿8,647 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 10% above the ฿11,781 route average. Book 23 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Bangkok to Kathmandu?

    On this route, direct flights are cheaper than stopover options on average. Direct fares average ฿11,744 return, compared with ฿14,084 via a stopover through Kuala Lumpur Intl (KUL).

  • How does on-time performance compare across airlines flying from Bangkok to Kathmandu?

    Thai Airways is slightly above the route average for timely arrivals, while Thai Lion Air has a lower on-time arrival rate. On-time arrival rates on Bangkok to Kathmandu flights are:

    • Thai Airways: 81% on time
    • Thai Lion Air: 57% on time
    • Nepal Airlines: 36% on time

    On average, flights on this route are punctual 72% of the time.

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

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿712–฿3,377 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

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

    Morning is the busiest departure period on Bangkok to Kathmandu flights, with 50% leaving in that window. Night departures account for 50%, Afternoon flights for 0%, and Evening flights for 0%.

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

    Flights from Bangkok to Kathmandu may depart from several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK). Flights usually arrive at Kathmandu Tribhuvan (KTM).

  • What time of day has the fewest delays on flights from Bangkok to Kathmandu?

    Evening flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed from Bangkok to Kathmandu?

    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 Bangkok to Kathmandu route, 28% of flights were delayed in the past three months, with delays averaging 1h 39m.

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

    Connecting flights from Bangkok to Kathmandu most commonly pass through:

    • New Delhi Indira Gandhi Intl (DEL) – 92% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 8% of one-stop connections

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

    Yes. Flexible dates can save you up to 16% on flights from Bangkok to Kathmandu. Sunday is the cheapest departure day at ฿11,619 return on average, while Thursday is the most expensive at ฿13,781, a difference of ฿2,162.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • Which airlines fly from Bangkok to Kathmandu?

    3 airlines operate flights between Bangkok and Kathmandu. The airlines offering direct flights on this route include:

    • Thai Airways
    • Nepal Airlines
    • Himalaya Airlines

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

    Flying via Kuala Lumpur Intl (KUL) gives the shortest average 1-stop total travel time of 9h 46m, compared to 11h 49m via New Delhi Indira Gandhi Intl (DEL).

  • What is the time difference between Bangkok and Kathmandu?

    Kathmandu is 1 hour behind Bangkok (Nepal Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

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

    Among airlines operating Bangkok to Kathmandu flights:

    • Thai Airways: offers free seat selection
    • Thai Lion Air: offers free seat selection
    • Nepal Airlines: offers free seat selection

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

  • Which airlines include bags at no extra cost on Bangkok to Kathmandu 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
    • Thai Lion Air: a cabin bag and a checked bag in Economy class
    • Nepal Airlines: a cabin bag and a checked bag in Economy class

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

Your guide to booking Bangkok to Kathmandu flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Thursday. On this route, Sunday flights average ฿11,619, which is about ฿2,162 less than Thursday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 43% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Bangkok to Kathmandu trip for January. Fares historically average ฿8,985 return in that month – typically ฿7,228 less than the most expensive month, which is July (based on the last 12 months).
  • For the best chance of arriving on time, fly with Thai Airways. Over the past three months, 81% of Thai Airways flights from Bangkok to Kathmandu arrived on time, slightly above the route average of 72%. When flights on this route arrive late, they're delayed by an average of 1h 39m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Kathmandu Tribhuvan Airport.

    • Hotel Tibet International

Prefer to fly direct from Bangkok to Kathmandu Tribhuvan?

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

Direct departures

Bangkok 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

Direct returns

Kathmandu Tribhuvan to Bangkok

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

More options for your flight from Bangkok to Kathmandu

Complete your trip to Kathmandu with a hotel stay or car hire