Cheap Flights St. Louis to Kathmandu (STL-KTM)

The lowest price advertised for a round-trip flight between STL and KTM is €1,754. But you better act soon. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be cancelled online, but every air carrier has its own set of terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for St. Louis Lambert International Airport to Tribhuvan Intl. Airport (KTM) flights, you’ll see a “no change fees” filter for you to select.

With around 12,600 kilometres separating St. Louis and Kathmandu, your flight will be a long one. Pack wisely to make your trip comfortable. Simple things like an eye mask and a good neck pillow can make a massive difference.

If you want to travel straight from Lambert-St. Louis Intl. Airport (STL) to Tribhuvan Intl. Airport, you’ll have to book a flight with at least one stop. Unfortunately, there aren’t any airlines that fly directly on this route.

Fares from Lambert-St. Louis Intl. Airport (STL) to Tribhuvan Intl. Airport are available up to a year before departure on Expedia. And although you may pick up a great last-minute deal, it’s not something you should count on. Also, booking your flights well in advance means you’ll have more choices — and you can avoid ending up with the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.