Cheap flights from Bangkok to Siddharthanagar

Suvarnabhumi
BKK
Bhairawa
BWA

Flight deals from Bangkok to Siddharthanagar

Below you can see the best deals on flights Bangkok — Siddharthanagar for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 4 September, from $334.

Top 10 cheap flights from Bangkok to Siddharthanagar

RA
YT
$ 334

Bangkok — Siddharthanagar

16:45—09:00
4 Sep 2026
17 h 30 m
1 stop
RA
YT
$ 334

Bangkok — Siddharthanagar

16:45—11:35
4 Sep 2026
20 h 5 m
1 stop
RA
YT
$ 334

Bangkok — Siddharthanagar

16:45—13:50
4 Sep 2026
22 h 20 m
1 stop
RA
YT
$ 334

Bangkok — Siddharthanagar

16:45—17:00
4 Sep 2026
25 h 30 m
1 stop
RA
YT
$ 334

Bangkok — Siddharthanagar

16:45—18:30
4 Sep 2026
27 h
1 stop
RA
YT
$ 334

Bangkok — Siddharthanagar

16:45—09:00
4 Sep 2026
41 h 30 m
1 stop
RA
YT
$ 334

Bangkok — Siddharthanagar

16:45—11:35
4 Sep 2026
44 h 5 m
1 stop
RA
YT
$ 334

Bangkok — Siddharthanagar

16:45—13:50
4 Sep 2026
46 h 20 m
1 stop
VZ
AI
AI
YT
$ 343

Bangkok — Siddharthanagar

21:05—17:00
2 Sep 2026
21 h 10 m
3 stops
VZ
AI
AI
YT
$ 343

Bangkok — Siddharthanagar

21:05—17:00
2 Sep 2026
21 h 10 m
3 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Bangkok — Siddharthanagar flight

Looking for cheap flights from Bangkok to Siddharthanagar? Compare fares from different airlines, check the flight schedule and travel time — and book your Bangkok — Siddharthanagar ticket online at the best price.

The route has direct flights — around 5 flights per week, flights are operated by Thai AirAsia, a nonstop flight takes about 8 h, the distance between the cities is around 2,336 km.

Planning your trip? You may find our Siddharthanagar travel guide, how to get from the airport into town and Siddharthanagar weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $334Min. price
SeptemberCheapest
OctoberPeak season
YesDirect flights
2,336 kmDistance
8 hTravel time
1Airlines
5 / wkFlights

Flight ticket prices by day: Bangkok — Siddharthanagar

Below is a calendar of the lowest flight ticket prices for Bangkok — Siddharthanagar by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $334 in September, and the most expensive are around $489 in October. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Bangkok to Siddharthanagar by month. Tickets are usually cheapest in June (around $88) and priciest in December (about $118) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$104mediumMay$91lowSep$91low
Feb$102mediumJun$88lowOct$116high
Mar$100mediumJul$98mediumNov$110high
Apr$114highAug$100mediumDec$118high

Some values are estimated based on seasonality.

When to fly

Weather in Siddharthanagar: it is warmest in April (up to 34 °C on average) and coolest in January (around 20 °C). The driest month is November.

Tickets are usually cheapest in September and most expensive in October. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Siddharthanagar

Dry and wet days · Siddharthanagar

Wind speed and direction · Siddharthanagar

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How to get the best deal on a Bangkok — Siddharthanagar ticket

  • Book ahead: fares for Bangkok — Siddharthanagar are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Bangkok is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Siddharthanagar is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Bangkok — Siddharthanagar route are operated by 1 airline; Thai AirAsia runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • Thai AirAsiaFD
    2x/week
    WebsiteFleet: 5618.9M pax/year
    • Direct flight DMK → BWA2x/week
    100.0%Open →

Cities and airports on the Bangkok — Siddharthanagar route

Flights Bangkok — Siddharthanagar depart from Suvarnabhumi Airport and Don Mueang International Airport and arrive at Bhairawa Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Bangkok

BKK
Thailand
About the cityHow to get thereWeatherAll about the country Thailand
Arrival

Siddharthanagar

BWA
Nepal
About the cityHow to get thereWeatherAll about the country Nepal
Departure airports
Arrival airports

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Frequently asked questions about the Bangkok — Siddharthanagar flight

How long is the flight from Bangkok to Siddharthanagar?

A nonstop Bangkok — Siddharthanagar flight takes about 8 h — the distance between the cities is around 2,336 km.

How far is it from Bangkok to Siddharthanagar?

The distance from Bangkok to Siddharthanagar is about 2,336 km, which a nonstop flight covers in around 8 h.

Are there direct flights from Bangkok to Siddharthanagar?

Yes, there are nonstop flights Bangkok — Siddharthanagar — around 5 flights per week.

Which airlines fly from Bangkok to Siddharthanagar?

Airlines operating Bangkok — Siddharthanagar include Thai AirAsia. See the full list with schedules in the "Airlines" section on this page.

Which airports do Bangkok — Siddharthanagar flights use?

Flights from Bangkok depart from Suvarnabhumi Airport, Don Mueang International Airport, and arrive at Bhairawa Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Bangkok to Siddharthanagar?

The price of a Bangkok — Siddharthanagar ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in October. Tickets typically cost between $334 and $489. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Bangkok — Siddharthanagar?

Flights Bangkok — Siddharthanagar are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Bangkok to Siddharthanagar?

To catch a low fare Bangkok — Siddharthanagar, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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