$751 Cheap Flights from Idaho Falls (IDA) to Kathmandu (KTM)

View $751 flight on Wed, Mar 18, 2026Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM)

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Cheap Flights from Idaho Falls to Kathmandu (IDA-KTM)

Prices were available within the past 7 days and start at $751 for one-way flights and $1,404 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Nov 3 - Mon, Nov 17
IDA
Idaho Falls
KTM
Kathmandu
$1,404 Roundtrip, found 1 day ago
$1,404
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 3 from Idaho Falls to Kathmandu, returning Mon, Nov 17, priced at $1,404 found 1 day ago
American Airlines
Mon, Nov 3 - Mon, Nov 17
IDA
Idaho Falls
KTM
Kathmandu
$1,406 Roundtrip, found 1 day ago
$1,406
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 3 from Idaho Falls to Kathmandu, returning Mon, Nov 17, priced at $1,406 found 1 day ago
American Airlines
Mon, Nov 3 - Mon, Nov 17
IDA
Idaho Falls
KTM
Kathmandu
$1,409 Roundtrip, found 1 day ago
$1,409
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 3 from Idaho Falls to Kathmandu, returning Mon, Nov 17, priced at $1,409 found 1 day ago
American Airlines
Mon, Nov 3 - Mon, Nov 17
IDA
Idaho Falls
KTM
Kathmandu
$1,479 Roundtrip, found 1 day ago
$1,479
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 3 from Idaho Falls to Kathmandu, returning Mon, Nov 17, priced at $1,479 found 1 day ago
American Airlines
Mon, Nov 3 - Mon, Nov 17
IDA
Idaho Falls
KTM
Kathmandu
$1,481 Roundtrip, found 1 day ago
$1,481
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 3 from Idaho Falls to Kathmandu, returning Mon, Nov 17, priced at $1,481 found 1 day ago
Alaska Airlines
Mon, Nov 3 - Mon, Nov 17
IDA
Idaho Falls
KTM
Kathmandu
$1,603 Roundtrip, found 1 day ago
$1,603
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Idaho Falls to Kathmandu, returning Mon, Nov 17, priced at $1,603 found 1 day ago
Alaska Airlines
Mon, Nov 3 - Mon, Nov 17
IDA
Idaho Falls
KTM
Kathmandu
$1,606 Roundtrip, found 1 day ago
$1,606
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Idaho Falls to Kathmandu, returning Mon, Nov 17, priced at $1,606 found 1 day ago
Alaska Airlines
Mon, Nov 3 - Mon, Nov 17
IDA
Idaho Falls
KTM
Kathmandu
$1,608 Roundtrip, found 1 day ago
$1,608
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Idaho Falls to Kathmandu, returning Mon, Nov 17, priced at $1,608 found 1 day ago
Alaska Airlines
Mon, Nov 3 - Mon, Nov 17
IDA
Idaho Falls
KTM
Kathmandu
$1,610 Roundtrip, found 1 day ago
$1,610
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Idaho Falls to Kathmandu, returning Mon, Nov 17, priced at $1,610 found 1 day ago
Qatar Airways
Wed, Jul 29 - Tue, Sep 1
IDA
Idaho Falls
KTM
Kathmandu
$1,614 Roundtrip, found 2 days ago
$1,614
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Wed, Jul 29 from Idaho Falls to Kathmandu, returning Tue, Sep 1, priced at $1,614 found 2 days ago

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM) cost?
Snag a cheap one-way flight from $751 or cheap return flight from $1,404 from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM)?
November is the cheapest month to fly from IDA to KTM. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IDA to KTM flight.
How many flights per day from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM)?
Nonstop flights from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IDA to KTM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM)?
To avoid possible delays on the Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM) route, aim to travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM) last-minute?
Last-minute fares from IDA to KTM are typically more expensive. To secure the best prices, start looking for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an IDA to KTM flight and hotel package?
Compared with arranging flights and hotels separately, booking an IDA to KTM flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the stress out of travel planning. Just secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Tribhuvan Intl. Airport (KTM)?
Typically, you can modify or cancel your IDA to KTM flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
Tribhuvan Intl.
Airlines serving
Qatar Airways
Roundtrip price
$1,403
Distance
7393 mi

Book with confidence

Idaho Falls to Kathmandu Flights

The cheapest times to fly from Idaho Falls to Kathmandu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Idaho Falls to Kathmandu are during the month of November. You can find some of the cheapest flights from Idaho Falls to Kathmandu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Idaho Falls to Kathmandu

Sunday is one of the best days to book for cheap flights from Idaho Falls to Kathmandu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Idaho Falls to Kathmandu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Idaho Falls to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $751 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Idaho Falls to Kathmandu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Idaho Falls to Kathmandu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Idaho Falls to Kathmandu Flights

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