Flight tickets from Biratnagar (BIR) to Kathmandu (KTM) from ₹ 4,851

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Flight deals from Biratnagar to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Biratnagar Airport to Kathmandu Airport? If you want to travel next month, return fares start from ₹ 9,307. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Biratnagar to Kathmandu

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

Direct flights from Biratnagar to Kathmandu

Biratnagar to Kathmandu: Alternative routes

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

Biratnagar to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found₹ 4,851
Cheapest month to flyAugust
Average flight time39 mins
Most popular airlineHahn Air Systems
Average flights per week142

Finding cheap flights from Biratnagar to Kathmandu: Frequently asked questions

The best price we found for a return flight from Biratnagar to Kathmandu is ₹ 8,246. 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.
39 minutes is the average flight time from Biratnagar to Kathmandu.
Hahn Air Systems, Buddha Air and Shree Airlines fly direct from Biratnagar to Kathmandu.
As of June 2026, there are 142 flights per week flying from Biratnagar to Kathmandu.
The cheapest month to fly from Biratnagar to Kathmandu is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Biratnagar Airport to Kathmandu Airport on Tuesday, 30 June 2026.
Yes – the average flight time is 39 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 Kathmandu 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 Kathmandu 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 Kathmandu.

Travelling from Biratnagar (BIR) to Kathmandu (KTM): what you need to know

  • Around 35 minutes is how long you can expect to be travelling on a direct flight from Biratnagar to Kathmandu.

  • Biratnagar and Kathmandu are both in the UTC+5:47 timezone. That means you won't have to adjust your watch after you land.

  • Flights from BIR to KTM start at 07:20 — the earliest with Yeti Airlines. The last service of the day is at 20:15 with Buddha Air. In total, you can choose from 125 weekly Biratnagar to Kathmandu flights.

  • Give yourself plenty of time to catch your BIR to KTM flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month like January? Public holidays and other popular seasons can mean longer queues at security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • You'll find a range of airlines operating direct flights from Biratnagar to Kathmandu. When you're ready to start your Kathmandu adventure, let one of these carriers fly you to this must-see part of Nepal:

  • Buddha Air is the most frequently booked airline on this route.

  • Yeti Airlines is the most punctual carrier offering BIR to KTM flights.

How to find the cheapest flights from Biratnagar (BIR) to Kathmandu (KTM)

  • ₹ 4,851 is the lowest price for a one-way Biratnagar to Kathmandu flight. A return flight starts at ₹ 8,214. These prices may change based on availability and demand.

  • To score cheap tickets from BIR to KTM, reserve your journey 11 months ahead of your departure date.

  • Plan your trip for April. That's the cheapest month for flights from Biratnagar to Kathmandu. If you have flexibility with your dates, use the 'Whole month' tool to see the cheapest price across each month.

  • You won't have to check back in every day to see if fares have gone down when you set up a Price Alert. We'll notify you the moment the price changes on cheap flights from BIR to KTM.

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

Handy information about Biratnagar (BIR)

  • Biratnagar is about 6 kilometres from central Biratnagar. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 15 minutes or so to get there, depending on the traffic.

  • Expect a trip time of around 25 minutes on public transport.

  • Get your break off to a hassle-free start by staying near BIR. Whether you have an early flight from Biratnagar to Kathmandu or want to avoid feeling rushed, these hotels are the answer:

What is the baggage allowance on flights from Biratnagar Airport (BIR) to Kathmandu Airport (KTM)?

Most airlines offering flights from BIR to KTM include a carry-on bag with standard fares, though baggage allowances can vary by airline and ticket type. Here is what you can expect with the main airlines operating this route:

  • Buddha Air

    • Carry-on allowance: 5kg cabin bag plus personal item

    • Checked baggage: 20kg included with some economy fares

    • Departure terminal: Biratnagar Airport (BIR), Main Terminal

    • Arrival terminal: Kathmandu Airport (KTM), Domestic Terminal

    • Check-in counters: Open 2 hours before departure

  • Yeti Airlines

    • Carry-on allowance: 5kg cabin bag plus personal item

    • Checked baggage: 20kg included with some economy fares

    • Departure terminal: Biratnagar Airport (BIR), Main Terminal

    • Arrival terminal: Kathmandu Airport (KTM), Domestic Terminal

    • Check-in counters: Open 2 hours before departure

  • Shree Airlines

    • Carry-on allowance: 7kg cabin bag plus personal item

    • Checked baggage: 20kg included with some economy fares

    • Departure terminal: Biratnagar Airport (BIR), Main Terminal

    • Arrival terminal: Kathmandu Airport (KTM), Domestic Terminal

    • Check-in counters: Open 2 hours before departure

You can find essential facilities including free Wi-Fi, dining options, and parking services at Biratnagar Airport (BIR). The airport also provides basic amenities such as waiting areas and ground transportation connections to help with your journey. Currency exchange and ATM services are available to assist with your travel needs at Biratnagar Airport (BIR).

Arriving at Kathmandu (KTM)

  • Book a hotel near KTM if you're taking a late Biratnagar to Kathmandu flight. Settle into one of these options and avoid the hassle of a long transfer:

  • Venture beyond Kathmandu and discover places outside the usual tourist stops with your own wheels. You can pick up a Kathmandu rental car from Spark Car.

  • Lock in the best rate by reserving your ride from Kathmandu around one week before your travel date.

Getting from Kathmandu (KTM) to central Kathmandu

  • Kathmandu is approximately 6 kilometres from the centre of Kathmandu. The drive time takes around 30 minutes.

  • Travelling to the centre by public transport takes about 40 minutes.

When to fly to Kathmandu (KTM)

  • February is the most popular month for flights from Biratnagar to Kathmandu. To avoid the crowds, head to Kathmandu in March.

  • Book your flight from Biratnagar to Kathmandu for June if you'd like to visit Kathmandu during its warmest month. You can expect temperatures of between 17ºC and 30ºC.

  • Look for cheap tickets from BIR to KTM in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 3ºC and 19ºC on average.

Weather snapshot

The weather in Kathmandu features a subtropical highland climate with distinct wet and dry seasons, plus pleasant spring and autumn periods. Here's what to expect throughout the year:

  • December – February: Winter brings crisp, clear days and chilly nights to Kathmandu, making this one of the best times to explore Kathmandu with excellent visibility and manageable temperatures perfect for sightseeing.

  • March – May: Spring brings warm, dry weather with clear mountain views and moderate temperatures. Carry layers as mornings start cool but afternoons heat up nicely.

  • June – September: Kathmandu's monsoon season delivers warm, humid weather with regular afternoon showers that refresh the air. You'll want lightweight, quick-dry clothing and waterproof layers for exploring temples and cultural sites between downpours.

  • October – November: Post-monsoon season brings clear skies and mild temperatures that make this an ideal time for trekking, sightseeing, and exploring outdoor attractions around the valley.

Sightseeing and travel inspiration

Kathmandu sits in a valley surrounded by mountains, where ancient temples and modern streets exist side by side. The city is known for its Buddhist and Hindu heritage, with centuries-old shrines scattered throughout neighbourhoods filled with local markets and traditional architecture. Planning flights to Kathmandu opens up opportunities to explore this culturally rich destination.

  • Things to do in Kathmandu: Wander through Asan Market, just 2 kilometres north of the city centre, where narrow lanes overflow with spices, textiles and everyday goods traded by locals. Head 8 kilometres southeast to Patan for a walking tour through medieval courtyards and traditional Newari architecture. For mountain views, trek to Nagarkot, about 32 kilometres east, where clear mornings reveal the Himalayan range stretching across the horizon.

  • Cultural experiences: Watch traditional Newari dance performances at the Nepal Academy Hall in Kamaladi, about 3 kilometres east of central Kathmandu, or admire intricate wood carvings and bronze statues at Patan Museum in Lalitpur, roughly 5 kilometres southeast. Sample authentic dal bhat and momos at local eateries around Thamel, the cultural district just 2 kilometres north, and browse handmade textiles at traditional craft workshops throughout the old city.

  • Seasonal highlights: Experience Dashain and Tihar festivals during autumn (Sep–Nov) with elaborate celebrations and colourful decorations throughout the city. Spring brings Holi festivities in March with street parties and powder throwing. The best time to visit Kathmandu is during these cooler months when clear mountain views complement the festival atmosphere and comfortable temperatures make exploring the historic squares more enjoyable.

Explore more of Nepal

  • Kathmandu is easy to fall in love with, but there are so many other parts of Nepal you should also see. About 145 kilometres north-west of Kathmandu, a visit to Pokhara will keep your itinerary busy. Check out popular attractions like Phewa Lake, Parahawking and Sarangkot View Point.

  • Around 6 kilometres south of Kathmandu, Patan is another favourite stop in Nepal. Experience the best of this destination with a visit to Patan Durbar Square, Hiranya Varna Mahavihar and Kathmandu.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.