Cheap Flights from Kathmandu to Biratnagar

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Flight deals from Kathmandu to Biratnagar

Looking for a cheap last-minute deal or the best return flight from Kathmandu to Biratnagar? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Kathmandu to Biratnagar

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kathmandu to Biratnagar flights are currently cheapest in June.

Direct flights from Kathmandu to Biratnagar

Kathmandu to Biratnagar: Alternative routes

Compare routes from Kathmandu to Biratnagar below. You may find an airport to fly into that's cheaper, faster, or easier than Biratnagar.

Kathmandu to Biratnagar: Flight information

The things to know before you go.
Cheapest flight foundR 1,542
Cheapest month to flyJune
Average flight time38 mins
Most popular airlineBuddha Air
Average flights per week67

Finding cheap flights from Kathmandu to Biratnagar: Frequently asked questions

The best price we found for a return flight from Kathmandu to Biratnagar is R 3,122. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
38 minutes is the average flight time from Kathmandu to Biratnagar.
Buddha Air, Yeti Airlines and Shree Airlines fly direct from Kathmandu to Biratnagar.
As of June 2025, there are 67 flights per week flying from Kathmandu to Biratnagar.
The cheapest month to fly from Kathmandu to Biratnagar is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Biratnagar Airport on Saturday, 5 July 2025.
Yes – the average flight time is 38 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Biratnagar but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Biratnagar is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Yeti Airlines offers the cheapest flight tickets to Biratnagar.

Flying from Tribhuvan International Airport (KTM) to Biratnagar Airport (BIR): what you need to know

  • Jump on a direct flight from Tribhuvan International Airport to Biratnagar Airport and you'll be travelling for an average of 35 minutes.

  • Every week, there are 133 Tribhuvan International Airport to Biratnagar Airport flights. If you prefer to be on board as soon as possible, go for the 07:30 Buddha Air flight. If you're eager to make the most of your time before flying, the last departure is at 20:15 with Buddha Air.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably board your KTM to BIR flight.

  • You can expect bigger queues in popular months such as September. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.

  • A number of airlines offer direct flights from Tribhuvan International Airport to Biratnagar Airport, so jetting off to Biratnagar (and then exploring more of Nepal!) is easy. The most popular carriers that fly nonstop include:

  • The majority of passengers choose to travel with Shree Airlines on this route.

How to find the cheapest flights from Tribhuvan International Airport (KTM) to Biratnagar Airport (BIR)

  • Right now, R 1,542 is the lowest price we've seen for a one-way Tribhuvan International Airport to Biratnagar Airport flight. The best price for a return ticket is R 3,122. Bear in mind that fares could change due to demand when booking.

  • Score cheap tickets from KTM to BIR by booking at least six months ahead. According to our research, that's the sweet spot for picking up a bargain.

  • May is the cheapest month for flights from Tribhuvan International Airport to Biratnagar Airport. If you want to travel during a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • Finding cheap flights from KTM to BIR is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as a lower fare pops up.

  • Discover the perfect flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Tribhuvan International Airport to Biratnagar Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Tribhuvan International Airport (KTM)

  • To get to Tribhuvan International Airport from central Kathmandu, it'll take about 15 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 5 kilometres from the airport to the city centre.

  • Booked an early flight from Tribhuvan International Airport to Biratnagar Airport? Avoid the last-minute rush to the airport (and get some extra shut-eye) by picking one of these hotels close to KTM:

Arriving at Biratnagar Airport (BIR)

Getting from Biratnagar Airport (BIR) to central Biratnagar

  • Biratnagar Airport to central Biratnagar has a drive time of around 15 minutes. It's approximately 5 kilometres away.

When to fly to Biratnagar Airport (BIR)

  • It's time to choose your travel dates for your flight from Tribhuvan International Airport to Biratnagar Airport. May is the busiest month to visit Biratnagar. If you prefer a more laid-back vibe, go in February.

  • Before locking in your flight from Tribhuvan International Airport to Biratnagar Airport, think about the type of weather you like. April is the warmest month in Biratnagar, with the temperature ranging from 22ºC (72ºF) to 40ºC (104ºF).

  • January sees average temperatures of between 10ºC (50ºF) and 25ºC (77ºF). Look for cheap tickets from KTM to BIR around that time if you like cooler conditions.

Explore more of Nepal

  • Biratnagar has plenty going for it, but there are so many other corners of Nepal just waiting to be explored. Around 241 kilometres north-west of Biratnagar, a trip to Kathmandu will keep your itinerary busy. Start with popular sights like Swayambhunath Stupa, Pashupatinath Temple and Boudhanath Stupa.

  • Around 386 kilometres north-west of Biratnagar, Pokhara is another favourite stop in Nepal. Experience major highlights starting with Phewa Lake, Sarangkot and Gupteshwor Mahadev Cave.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.