Trip.com
>
Flights
>
Flights to Thailand
>
Cheap Flights to Bangkok
Hotels in Bangkok
>
Low Price Flights from Kathmandu to Bangkok

Find Cheapest Airlines Flying from Kathmandu to Bangkok

Choose from 6 carriers that fly from Kathmandu to Bangkok, including Thai AirAsia, Thai Lion Air, and Air India. Enjoy the cheapest tickets on this route with Thai AirAsia.
Thai AirAsia logo Thai AirAsia
Thai Lion Air logo Thai Lion Air
Air India logo Air India
Nepal Airlines logo Nepal Airlines
Thai Airways logo Thai Airways
IndiGo logo IndiGo
Airlines are determined based on actual purchased flight tickets from Kathmandu to Bangkok according to previous 12 months data from Trip.com.

Explore the cheapest flights from Kathmandu to Bangkok in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 148, and round-trip direct tickets start at AU$ 465.

      • Cheapest nonstop
        KTM 11:10
        3h 20m
        Direct
        BKK 15:45
        Kathmandu - Bangkok | Fri, Jun 12 | Nepal Airlines
        BKK 16:45
        3h 30m
        Direct
        KTM 19:00
        Bangkok - Kathmandu | Wed, Jun 17 | Nepal Airlines
        AU$ 465 AU$ 569
        18% off
        18% off
        AU$ 569 AU$ 465
      • KTM 11:10
        3h 20m
        Direct
        BKK 15:45
        Kathmandu - Bangkok | Fri, Jun 19 | Nepal Airlines
        BKK 16:45
        3h 30m
        Direct
        KTM 19:00
        Bangkok - Kathmandu | Mon, Jun 22 | Nepal Airlines
        AU$ 466 AU$ 569
        18% off
        18% off
        AU$ 569 AU$ 466
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Sun, May 31 | SriLankan Airlines
        BKK 15:20
        22h 10m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Wed, Jun 3 | SriLankan Airlines
        AU$ 386 AU$ 569
        32% off
        32% off
        AU$ 569 AU$ 386
      • KTM 13:15
        15h 45m
        1 stop
        BKK 06:15
        Kathmandu - Bangkok | Sun, Jun 14 | SriLankan Airlines
        BKK 15:20
        22h 10m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Wed, Jun 17 | SriLankan Airlines
        AU$ 394
        31% off
        AU$ 569 AU$ 394
      • KTM 13:40
        15h 20m
        1 stop
        BKK 06:15
        Kathmandu - Bangkok | Wed, Jun 17 | SriLankan Airlines
        BKK 13:55
        23h 35m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Sat, Jun 20 | SriLankan Airlines
        AU$ 404
        28% off
        AU$ 569 AU$ 404
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Mon, Jun 15 | SriLankan Airlines
        BKK 15:20
        22h 10m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Wed, Jun 17 | SriLankan Airlines
        AU$ 415
        27% off
        AU$ 569 AU$ 415
      • KTM 13:40
        21h 50m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Wed, Jun 10 | SriLankan Airlines
        BKK 13:55
        23h 35m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Sat, Jun 13 | SriLankan Airlines
        AU$ 419
        26% off
        AU$ 569 AU$ 419
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Thu, Jun 11 | SriLankan Airlines
        BKK 13:55
        23h 35m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Sat, Jun 13 | SriLankan Airlines
        AU$ 419
        26% off
        AU$ 569 AU$ 419
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Mon, Jun 8 | SriLankan Airlines
        BKK 15:20
        22h 10m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Wed, Jun 10 | SriLankan Airlines
        AU$ 430
        24% off
        AU$ 569 AU$ 430
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Mon, Jun 22 | SriLankan Airlines
        BKK 15:20
        22h 10m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Wed, Jun 24 | SriLankan Airlines
        AU$ 445
        22% off
        AU$ 569 AU$ 445
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Thu, Jun 18 | SriLankan Airlines
        BKK 13:55
        23h 35m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Sat, Jun 20 | SriLankan Airlines
        AU$ 448
        21% off
        AU$ 569 AU$ 448
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Mon, Jul 6 | SriLankan Airlines
        BKK 13:55
        23h 35m
        1 stop
        KTM 12:15
        Bangkok - Kathmandu | Sat, Jul 11 | SriLankan Airlines
        AU$ 450
        21% off
        AU$ 569 AU$ 450
      • KTM 13:00
        17h 25m
        1 stop
        BKK 14:00
        Kathmandu - Bangkok | Mon, May 18 | Normal Airline
        BKK 15:00
        6h
        Direct
        KTM 16:00
        Bangkok - Kathmandu | Wed, May 20 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        KTM 15:00
        3h 25m
        Direct
        DMK 19:40
        Kathmandu - Bangkok | Mon, Jul 13 | Thai AirAsia
        AU$ 148 AU$ 311
        52% off
        52% off
        AU$ 311 AU$ 148
      • KTM 14:15
        3h 15m
        Direct
        DMK 18:45
        Kathmandu - Bangkok | Mon, Jul 13 | Thai Lion Air
        AU$ 240 AU$ 311
        23% off
        23% off
        AU$ 311 AU$ 240
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Mon, Jul 13 | SriLankan Airlines
        AU$ 186 AU$ 311
        40% off
        40% off
        AU$ 311 AU$ 186
      • KTM 13:40
        21h 50m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Wed, Jun 10 | SriLankan Airlines
        AU$ 238
        23% off
        AU$ 311 AU$ 238
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Mon, May 25 | SriLankan Airlines
        AU$ 239
        23% off
        AU$ 311 AU$ 239
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Sun, May 31 | SriLankan Airlines
        AU$ 239
        23% off
        AU$ 311 AU$ 239
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Sun, Jun 21 | SriLankan Airlines
        AU$ 244
        22% off
        AU$ 311 AU$ 244
      • KTM 13:40
        21h 50m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Wed, Jun 24 | SriLankan Airlines
        AU$ 244
        22% off
        AU$ 311 AU$ 244
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Mon, Jun 29 | SriLankan Airlines
        AU$ 245
        21% off
        AU$ 311 AU$ 245
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Sun, Jun 14 | SriLankan Airlines
        AU$ 255
        18% off
        AU$ 311 AU$ 255
      • KTM 13:00
        17h 25m
        1 stop
        BKK 14:00
        Kathmandu - Bangkok | Mon, May 18 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Kathmandu to Bangkok are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Kathmandu to Bangkok Flight Details

The distance between Kathmandu and Bangkok is approximately 2,207.06km. It takes around 3 hours 23 minutes on average to fly from Kathmandu to Bangkok. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight priceAU$ 148
Cheapest return ticket priceAU$ 386
Off-season for travelSeptember
Peak season for travelJuly
Flight distance2,207.06km
Average flight time3 hours 23 minutes
Popular airlineThai AirAsia
Flight statistics for the Kathmandu–Bangkok route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Kathmandu to Bangkok

What is the cheapest month for one-way flights from to Bangkok?

Average price of one-way flights from to Bangkok purchased by Trip.com users by month over the past 12 months.

According to Trip.com's data, the cheapest month for flights from to Bangkok is March, with an average price of AU$ 164. Conversely, the most expensive month is typically May, with an average price of up to AU$ 238.

AU$ 238
AU$ 201
AU$ 164
AU$ 127
    Cheapest
  • AU$ 238
    May
  • AU$ 219
    Jun
  • AU$ 192
    Jul
  • AU$ 177
    Aug
  • AU$ 182
    Sep
  • AU$ 190
    Oct
  • AU$ 194
    Nov
  • AU$ 189
    Dec
  • AU$ 168
    Jan
  • AU$ 190
    Feb
  • AU$ 164
    Mar
  • AU$ 194
    Apr

What is the cheapest month for round-trip flights from to Bangkok?

Average price of round-trip flights from to Bangkok purchased by Trip.com users by month over the past 12 months.

According to historical data from Trip.com, the lowest prices for flights from to Bangkok are found during July, with an average price of AU$ 353. Conversely, the highest prices are found during April, with an average price of up to AU$ 621.

AU$ 621
AU$ 487
AU$ 353
AU$ 219
    Cheapest
  • AU$ 442
    May
  • AU$ 534
    Jun
  • AU$ 353
    Jul
  • AU$ 406
    Aug
  • AU$ 456
    Sep
  • AU$ 489
    Oct
  • AU$ 441
    Nov
  • AU$ 447
    Dec
  • AU$ 409
    Jan
  • AU$ 414
    Feb
  • AU$ 385
    Mar
  • AU$ 621
    Apr

What's the cheapest day to fly from to Bangkok?

Data is based on the average flight price for each day of the week from to Bangkok on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from to Bangkok is Wednesday, with average prices lower than on other days. Avoid Saturday, as prices are usually highest then.

AU$ 300
AU$ 284
AU$ 267
AU$ 251
    Cheapest
  • AU$ 273
    Mon
  • AU$ 295
    Tue
  • AU$ 267
    Wed
  • AU$ 289
    Thu
  • AU$ 277
    Fri
  • AU$ 300
    Sat
  • AU$ 269
    Sun

When is the cheapest day to fly from Kathmandu to Bangkok during King's Birthday?

Data is based on the lowest one-way fares from Kathmandu to Bangkok during King's Birthday, sourced from the Trip.com database over the last 3 days.

King's Birthday is scheduled for Jun 8. The lowest flight fares from Kathmandu to Bangkok are available on Jun 6, starting from AU$ 289.

AU$ 387
AU$ 338
AU$ 289
AU$ 240
    Cheapest
  • AU$ 387
    4
    Jun
  • AU$ 336
    5
  • AU$ 289
    6
  • AU$ 337
    7
  • AU$ 331
    8
  • AU$ 343
    9
  • AU$ 337
    10

Flight FAQs

  • Which airlines offer the cheapest flights from Kathmandu (KTM) to Bangkok (BKK)?

    Based on Trip.com data, Thai AirAsia offers one-way fares as low as AU$ 148 on Cheapest nonstop routes (e.g. KTM to DMK on Mon, Jul 13), while SriLankan Airlines offers Cheapest nonstop round-trips from AU$ 386 departing on Sun, May 31 and returning on Wed, Jun 3.
  • At the moment, you can catch a direct flight from Kathmandu to Bangkok with the following airlines, including: Thai AirAsia Thai Lion Air Thai Airways Nepal Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 23 minutes to fly from Kathmandu (KTM) to Bangkok (BKK).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kathmandu to Bangkok is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 8 flight per week flying from Kathmandu to Bangkok. You can check the weekly schedule for popular airlines on this route below: Thai Lion Air: S/-/T/-/T/-/S -- SL221 (15:47) Thai Airways: S/-/T/W/T/F/S -- TG310 (23:59) Thai Airways: S/M/T/W/T/F/S -- TG320 (14:23)
  • To find best deals on flights from Kathmandu to Bangkok, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Jul 13, with one-way flights priced at just AU$ 148.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai AirAsia.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Bangkok travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Kathmandu to Bangkok is September, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Kathmandu to Bangkok on May 24, 2026 with Thai Lion Air, with prices starting at AU$ 122.
  • You can land at any one of the following hubs in Bangkok, with Tribhuvan International Airport to Suvarnabhumi Airport (KTM-BKK) is by far the most common option on this route: Suvarnabhumi Airport (BKK) Don Mueang International Airport (DMK).
  • The time difference between Bangkok and Kathmandu is 1h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Kathmandu toBangkok

Which airlines offer the cheapest nonstop flights from Kathmandu to Bangkok?

Data is based on the average price of all nonstop flights from Kathmandu to Bangkok on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Thai AirAsia offers the cheapest nonstop flights from Kathmandu to Bangkok, with an average price of AU$ 240.

AU$ 165
AU$ 240
AU$ 316
AU$ 392
AU$ 467
Thai AirAsia
AU$ 240
Thai AirAsia
Thai Lion Air
AU$ 252
Thai Lion Air
Nepal Airlines
AU$ 313
Nepal Airlines
Air India
AU$ 376
Air India
Thai Airways
AU$ 409
Thai Airways
IndiGo
AU$ 467
IndiGo

Which airlines operate the most flights from Kathmandu to Bangkok?

Data is based on the number of flights from Kathmandu to Bangkok operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Thai Airways operates the most flights from Kathmandu to Bangkok, with 16 flight per week.

0
3
10
16
Thai Airways
16
Thai Airways
Thai Lion Air
5
Thai Lion Air
Thai AirAsia
4
Thai AirAsia
Nepal Airlines
3
Nepal Airlines

How many flights are there each day from Kathmandu to Bangkok?

The data is based on the flight numbers for each day of the week from Kathmandu to Bangkok within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Kathmandu to Bangkok depart on Friday, and the fewest flights depart on Tuesday/Thursday.

23
16
8
1
Highest
20
Mon
8
Tue
18
Wed
8
Thu
23
Fri
10
Sat
19
Sun

More Cheap Flights & Deals on Trip.com

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.