$263 Cheap Flights from Kathmandu (KTM) to Biratnagar (BIR)

Popular airlines from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR)

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Cheap Flights from Kathmandu to Biratnagar (KTM-BIR)

Prices were available within the past 7 days and start at $263 for one-way flights and $525 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hahn Air Systems
Hahn Air Systems
Flights from Kathmandu (KTM) to Biratnagar (BIR)
Origin airport
Tribhuvan Intl.
Destination airport
Biratnagar
Airlines serving
Hahn Air Systems
Roundtrip price
$524
Distance
144 mi

Kathmandu to Biratnagar Flights

The cheapest times to fly from Kathmandu to Biratnagar

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 Biratnagar are during the month of April. You can find some of the cheapest flights from Kathmandu to Biratnagar with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Kathmandu to Biratnagar

Sunday is one of the best days to book for cheap flights from Kathmandu to Biratnagar: 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 Biratnagar

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 Biratnagar in 2025. You can also book with separate airlines for your outbound and return journeys, from $263 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 Biratnagar 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 Biratnagar 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.

Frequently asked questions

How much does a flight from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR) cost?
Cheap return flights from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR) start at $525. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Hahn Air flight leaving KTM on May 1 2025 and touching down at BIR. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from KTM to BIR?
The cheapest flights from KTM to BIR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR)?
Skip the stopovers and fly nonstop from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR) with 3 carriers, including:

  • Yeti Airlines
  • Buddha Air
  • Shree Airlines

What is the cheapest airline that flies from KTM to BIR?
Currently, the cheapest airline offering one-way flights from KTM to BIR is Hahn Air. You can take off on this route from $263. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KTM on May 15 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR)?
With, on average, 20 nonstop flights that operate from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR) daily, you’ll be on your way in no time.
What are the most popular departure times for flights from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR)?
Flights between KTM and BIR are their busiest at 4 PM. For a more relaxed trip and potentially cheaper tickets, look for a time when demand is lower.
What day of the week has the most flights from KTM to BIR?
Fly on a Friday if you’re searching for the best selection of flights from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR).
What is the earliest flight from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR)?
Tribhuvan Intl. Airport (KTM)’s first flight to Biratnagar (BIR) takes off at approximately 8:30AM UTC+5. With a total flight time of 45m, you’ll touch down at around 9:15AM UTC+5.
How long does it take to fly from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR)?
The average flight duration from KTM to BIR is 40 minutes, covering a distance of 140 mi.
What is the best time to fly from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR)?
To avoid potential delays on the Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR) route, fly before 3 PM. Later flights are 22% more likely to be canceled.**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 Biratnagar (BIR) last-minute?
Booking your flight from KTM to BIR just before your getaway is usually more expensive. However, if there’s some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Can I cancel or change the date of my flight from Tribhuvan Intl. Airport (KTM) to Biratnagar (BIR)?
Generally, it’s possible to cancel or reschedule your KTM to BIR flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more details on our Customer Service portal.

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