C$641 Cheap Flights from Columbus to Kathmandu

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Flight deals from Columbus to Kathmandu

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

Find the cheapest month to fly from Columbus to Kathmandu

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

Columbus to Kathmandu: Alternative routes

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

Columbus to Kathmandu: Flight information

The things to know before you go.
Cheapest flight foundC$641
Cheapest month to flyMarch

Finding cheap flights from Columbus to Kathmandu: Frequently asked questions

The best price we found for a return flight from Columbus to Kathmandu is C$1,472. 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 Columbus to Kathmandu. But we found flights with one stop from C$1,472.
As of February 2026, there are no flights flying from Columbus to Kathmandu.
The cheapest month to fly from Columbus to Kathmandu is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Columbus to Kathmandu Airport on Sunday, March 22, 2026.
No airlines currently offer direct flights between Columbus 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.
The cheapest airline that flies to Kathmandu is Frontier Airlines .

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

  • Columbus's main base, John Glenn Columbus International Airport (CMH), is where countless awesome vacations begin. Explore the departure options from here when searching for a flight from Columbus to Tribhuvan International Airport (KTM).

  • Kathmandu is 9 hours 48 minutes ahead of Columbus. Tribhuvan International Airport is located in Kathmandu, which operates on the UTC+5:47 timezone.

  • Arrive at the airport on time so you don't miss your flight from Columbus to KTM. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • Peak months like July or high seasons such as spring break and Thanksgiving will mean longer waits at check-in and security. If you're travelling then, play it safe and head to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of international flights is wise.

Airports in Columbus

John Glenn Columbus International Airport (CMH)

About Tribhuvan International Airport (KTM)

Getting from Tribhuvan International Airport (KTM) to central Kathmandu

  • From Tribhuvan International Airport, Kathmandu is approximately 5 kilometres away. It takes around 16 minutes to reach the centre driving.

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

  • For a one-way ticket from Columbus to Tribhuvan International Airport, C$641 is the cheapest price. You can also book a return trip starting from C$1,472. These are currently the lowest fares but could change depending on availability.

  • It's usually best to book as early as possible if you want to get flight tickets from Columbus to KTM. That's because airlines adjust prices based on demand, which tends to rise closer to the departure date.

  • Use the 'Whole month' tool to compare the prices of tickets from Columbus to Tribhuvan International Airport across the entire month. We've highlighted the lowest fares in green, making it easy to find a flight your budget will love.

  • Log into your online account or use the app to set up a Price Alert. We'll let you know straight away if the price has dropped. It doesn't take long, and it'll save you the hassle of searching for a cheap ticket from Columbus to KTM every day.

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

The best time to fly from Columbus to Tribhuvan International Airport (KTM)

  • February is the quietest time of year to fly to Kathmandu. Alternatively, join the crowds and take off in October. This is the most popular month for flights from Columbus to Tribhuvan International Airport.

  • Schedule your flight from Columbus to KTM for June if you're eager to experience the city during its warmest month. You can expect temperatures in Kathmandu to range from 17ºC to 28ºC.

  • If you want cooler conditions, lock in a cheap flight from Columbus to Tribhuvan International Airport in January when temperatures average between 3ºC and 18ºC.

More about Kathmandu

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Kathmandu right here. Check out these options after you've booked your flight from Columbus to Tribhuvan International Airport:

  • There are so many things to see and do in this city it can be hard to know where to begin. Swayambhunath Stupa, Pashupatinath Temple and Boudhanath Stupa are leading attractions which should feature on every Kathmandu itinerary.

Complete your Kathmandu trip with a car rental

  • Choose one of our car rentals in Kathmandu and explore on your own terms. Easily compare prices from trusted rental companies in one place after booking your hotel and cheap flights from Columbus to Tribhuvan International Airport.

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