Flight tickets from Boise (BOI) to Kathmandu (KTM) from ₹ 105,898

Compare Boise to Kathmandu flight deals

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

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Flight deals from Boise to Kathmandu

Looking for a cheap last-minute deal or the best return flight from Boise Airport to Kathmandu Airport? If you want to travel next month, return fares start from ₹ 188,167. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boise to Kathmandu

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

Boise to Kathmandu: Alternative routes

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

Boise to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found₹ 105,898
Cheapest month to flySeptember

Finding cheap flights from Boise to Kathmandu: Frequently asked questions

The best price we found for a return flight from Boise to Kathmandu is ₹ 143,358. 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.
Currently, there are no airlines that fly direct from Boise to Kathmandu. But we found flights with one or more stops from ₹ 143,358.
As of July 2026, there are no flights flying from Boise to Kathmandu.
The cheapest month to fly from Boise to Kathmandu is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Kathmandu Airport on Wednesday, 23 September 2026.
No airlines currently offer direct flights between Boise Airport and Kathmandu Airport. Most routes have one or more stops.
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, Qatar Airways offers the cheapest flight tickets to Kathmandu.

Flying from Boise Air Terminal (Gowen Field) Airport (BOI) to Tribhuvan International Airport (KTM): what you need to know

  • Kathmandu's timezone is UTC+5:47, making Kathmandu 11 hours 48 minutes ahead of Boise.

  • Your BOI to KTM flight won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • During popular months like July, it's best to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead for an international flight when you travel during a peak period in general.

How to find the cheapest flights from Boise Air Terminal (Gowen Field) Airport (BOI) to Tribhuvan International Airport (KTM)

  • Right now, ₹ 105,898 is the cheapest price we've seen for a one-way Boise Air Terminal (Gowen Field) Airport to Tribhuvan International Airport flight. The best price for a return plane ticket is ₹ 143,358. Remember that fares may change due to availability at the time of booking.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from BOI to KTM if you book in advance. Airlines often offer some excellent early bird rates.

  • The 'Whole month' search function shows you the cheapest flights from Boise Air Terminal (Gowen Field) Airport to Tribhuvan International Airport across the entire month. It's a great way to find a bargain if your travel dates aren't set in stone.

  • Cut down on the time spent looking for cheap flights from BOI to KTM by creating a Price Alert. You'll get an email or notification through the app when fares go down.

  • Tailor your trip with filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Boise Air Terminal (Gowen Field) Airport to Tribhuvan International Airport.

Handy information about Boise Air Terminal (Gowen Field) Airport (BOI)

  • The address for BOI is 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport gets high marks for its on-time performance. 83.53% of flights that take off from BOI reach their destination without delay.

  • To get to Boise Air Terminal (Gowen Field) Airport from central Boise, it takes about 20 minutes by car. This depends on traffic though. It's approximately 18 kilometres from the airport to the city centre.

  • Expect a trip time of around 1 hour 35 minutes on public transport.

  • Taking an early flight from Boise Air Terminal (Gowen Field) Airport to Tribhuvan International Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these hotels near BOI:

Arriving at Tribhuvan International Airport (KTM)

  • If you're coming in on a late Boise Air Terminal (Gowen Field) Airport to Tribhuvan International Airport flight, few things beat the convenience of being close to the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these accommodation options near KTM:

  • Pick up a Tribhuvan International Airport rental car and discover parts of Kathmandu that aren't the typical tourist stops. Browse the options available from Spark Car.

  • Booking your vehicle from Tribhuvan International Airport around one week in advance can help you secure the lowest rate.

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

  • Tribhuvan International Airport is approximately 5 kilometres from central Kathmandu. The drive time takes about 15 minutes.

When to fly to Tribhuvan International Airport (KTM)

  • September is the busiest month for flights from Boise Air Terminal (Gowen Field) Airport to Tribhuvan International Airport. To escape the crowds, go to Kathmandu in February.

  • When reserving your flight from Boise Air Terminal (Gowen Field) Airport to Tribhuvan International Airport, think about the type of weather you enjoy. June is the warmest month in Kathmandu, with the temperature ranging from 17ºC to 28ºC.

  • January has average temperatures of between 3ºC and 18ºC. Look for cheap tickets from BOI to KTM sometime then if you like cooler conditions.

Explore more of Nepal

  • Kathmandu has loads to offer, but there are so many other parts of Nepal you'll want to see. About 145 kilometres north-west of Kathmandu, a trip to Pokhara will keep you on the go. Check out popular attractions like Phewa Lake, Sarangkot and Gupteshwor Mahadev Cave.

  • Patan is another favourite destination in Nepal and is around 6 kilometres south of Kathmandu. No journey is complete without dropping by Aspur Agro Farm, Pimbahaa Pukhoo and Rajib Handicraft.

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