Cheap Flights from Kathmandu (KTM) to Rajbiraj (RJB)

Travellers and cabin class

Compare Kathmandu to Rajbiraj flight deals

Find the cheapest month or even day of the year to fly to Rajbiraj

Book the best Rajbiraj fare with no extra fees

Find the cheapest month to fly from Kathmandu to Rajbiraj

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

Direct flights from Kathmandu to Rajbiraj

Kathmandu to Rajbiraj: Alternative routes

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

Kathmandu to Rajbiraj: Flight information

The things to know before you go.
Cheapest flight found$429
Cheapest month to flyMay
Average flight time35 mins
Most popular airlineBuddha Air
Average flights per week7

Finding cheap flights from Kathmandu to Rajbiraj: Frequently asked questions

The best price we found for a return flight from Kathmandu to Rajbiraj is $429. 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.
35 minutes is the average flight time from Kathmandu to Rajbiraj.
Buddha Air flies direct from Kathmandu to Rajbiraj.
As of May 2025, there are 7 flights per week flying from Kathmandu to Rajbiraj.
The cheapest month to fly from Kathmandu to Rajbiraj is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to Rajbiraj Airport on Friday, 30 May 2025.
Yes – the average flight time is 35 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 Rajbiraj 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 Rajbiraj is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Buddha Air offers the cheapest flight tickets to Rajbiraj.

Flying from Tribhuvan International Airport (KTM) to Rajbiraj Airport (RJB): what you need to know

  • Give yourself enough time to make your KTM to RJB flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month like September? Major public holidays and other popular periods can mean longer queues at airport checkpoints. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • Buddha Air is your ticket to exploring Rajbiraj (and perhaps some other exciting corners of Nepal!). Browse the direct flights from Tribhuvan International Airport to Rajbiraj Airport offered by this carrier.

  • Buddha Air is the airline most travellers choose to fly with on this route.

How to find the cheapest flights from Tribhuvan International Airport (KTM) to Rajbiraj Airport (RJB)

  • The lowest price we've found for a one-way Tribhuvan International Airport to Rajbiraj Airport flight is $215. A return fare right now is $429. Depending on the availability when you book, these fares could change.

  • It's often best to book as early as possible if you're hoping to get cheap tickets from KTM to RJB. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Tribhuvan International Airport to Rajbiraj Airport across the entire month. It's an easy way to snap up a bargain if your dates are flexible.

  • Save time looking for cheap flights from KTM to RJB by setting up a Price Alert. You'll get an email or notification through the app when a lower fare becomes available.

  • Tailor your trip with filters. Select your departure and arrival times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Tribhuvan International Airport to Rajbiraj Airport.

Handy information about Tribhuvan International Airport (KTM)

  • Central Kathmandu to Tribhuvan International Airport is approximately 5 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Need a handy hotel close to KTM? If you're catching an early flight from Tribhuvan International Airport to Rajbiraj Airport, these stays will have you moments from your check-in counter:

Getting from Rajbiraj Airport (RJB) to central Rajbiraj

  • Rajbiraj Airport is roughly 6 kilometres from central Rajbiraj. The drive time takes around 10 minutes.

When to fly to Rajbiraj Airport (RJB)

  • The quietest month for a flight from Tribhuvan International Airport to Rajbiraj Airport is February, while May is the most popular. Pick the best time to visit Rajbiraj based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Tribhuvan International Airport to Rajbiraj Airport for April if you want to explore Rajbiraj during its warmest month. You can expect temperatures of between 23ºC (73ºF) and 41ºC (106ºF).

  • If you want cooler conditions, look for a cheap ticket from KTM to RJB in January. Temperatures average between 10ºC (50ºF) and 25ºC (77ºF) then.

Explore more of Nepal

  • Rajbiraj has its own special appeal, but there are so many other corners of Nepal waiting to be discovered. Around 193 kilometres north-west of Rajbiraj, a visit to Kathmandu will keep your itinerary packed. Start with leading sights like Swayambhunath Stupa, Pashupatinath Temple and Boudhanath Stupa.

  • Around 338 kilometres north-west of Rajbiraj, Pokhara is another favourite stop in Nepal. Get a taste of what this destination has to offer at Phewa Lake, Sarangkot and Gupteshwor Mahadev Cave.

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