$243 Cheap Flights from Kathmandu (KTM) to Siddharthanagar (BWA)

View $243 flight on Sat, Jan 24, 2026Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Siddharthanagar (BWA-Gautam Buddha)

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Cheap Flights from Kathmandu to Siddharthanagar (KTM-BWA)

Prices were available within the past 7 days and start at $243 for one-way flights and $465 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hahn Air Systems
Wed, Jan 14 - Tue, Feb 10
KTM
Kathmandu
BWA
Siddharthanagar
$465 Roundtrip, found 19 hours ago
$465
Roundtrip
found 19 hours ago
Select Hahn Air Systems flight, departing Wed, Jan 14 from Kathmandu to Siddharthanagar, returning Tue, Feb 10, priced at $465 found 19 hours ago
Hahn Air Systems
Mon, Nov 10 - Tue, Nov 25
KTM
Kathmandu
BWA
Siddharthanagar
$466 Roundtrip, found 1 day ago
$466
Roundtrip
found 1 day ago
Select Hahn Air Systems flight, departing Mon, Nov 10 from Kathmandu to Siddharthanagar, returning Tue, Nov 25, priced at $466 found 1 day ago
Hahn Air Systems
Sun, Nov 16 - Thu, Nov 20
KTM
Kathmandu
BWA
Siddharthanagar
$473 Roundtrip, found 1 hour ago
$473
Roundtrip
found 1 hour ago
Select Hahn Air Systems flight, departing Sun, Nov 16 from Kathmandu to Siddharthanagar, returning Thu, Nov 20, priced at $473 found 1 hour ago

Alternative airports near Siddharthanagar

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gautam Buddha BWA. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $466
BWA
Gautam Buddha
CheapestClosest
Average driving time to city center4 min
Flights from $466

Frequently asked questions

How much does a flight from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA) cost?
Lock in a cheap one-way flight from $243 or cheap return flight from $465 from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA)?
January is the most affordable month to fly from KTM to BWA. Timing your trip outside of the busy season is often the key to better flight prices.
Which airlines fly direct from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA)?
Take the express route to Gautam Buddha Airport (BWA). 4 carriers offer direct flights from Tribhuvan Intl. Airport (KTM), including:

  • Buddha Air
  • Yeti Airlines
  • Shree Airlines

What is the cheapest airline that flies from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA)?
While prices may vary depending on when you travel, Nepal Airlines and Shree Airlines are go-to choices for flights between Tribhuvan Intl. Airport (KTM) and Gautam Buddha Airport (BWA). You can also compare carriers on Expedia and use the "Sort by" filter to find the cheapest fare for your KTM to BWA flight.
How many flights per day from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA)?
When taking off from Tribhuvan Intl. Airport (KTM), you can choose from an average of 17 daily direct flights to Gautam Buddha Airport (BWA).
What are the most popular departure times for flights from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA)?
More travelers fly between KTM and BWA at 1 PM than at any other time of day. Prefer a quieter experience? Travel outside of rush hours and you could save on your ticket as well.
What day of the week has the most flights from KTM to BWA?
Friday has the most flights from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA). Consider jetting off on this day and you'll have the best chance of finding a schedule that works for you.
What is the earliest flight from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA)?
Tribhuvan Intl. Airport (KTM)'s first flight to Gautam Buddha Airport (BWA) leaves at approximately 8:10AM UTC+5. With a travel time of 30m, you'll arrive at around 8:40AM UTC+5.
How long does it take to fly from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA)?
Flights from KTM to BWA have an average travel time of 29 minutes. The distance between these two airports is 120 mi.
What is the best time to fly from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA)?
Select a flight from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA) that leaves before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA) last-minute?
Booking your plane ticket from KTM to BWA just before your trip is generally more expensive. But if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Can I cancel or change the date of my flight from Tribhuvan Intl. Airport (KTM) to Gautam Buddha Airport (BWA)?
In most instances, you can modify or cancel your KTM to BWA flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, go to our Customer Service portal.

Travel information

0
Origin airport
Tribhuvan Intl.
Destination airport
Gautam Buddha
Airlines serving
Hahn Air Systems
Roundtrip price
$464
Distance
119 mi

Book with confidence

Kathmandu to Siddharthanagar Flights

The cheapest times to fly from Kathmandu to Siddharthanagar

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kathmandu to Siddharthanagar are during the month of January. You can find some of the cheapest flights from Kathmandu to Siddharthanagar with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kathmandu to Siddharthanagar

Sunday is one of the best days to book for cheap flights from Kathmandu to Siddharthanagar: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kathmandu to Siddharthanagar

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kathmandu to Siddharthanagar in 2025. You can also book with separate airlines for your outbound and return journeys, from $243 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kathmandu to Siddharthanagar flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kathmandu to Siddharthanagar airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kathmandu to Siddharthanagar Flights

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