Cheap Flights from Kathmandu to St Louis

Compare Kathmandu to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

Book the best St Louis fare with no extra fees

Find the cheapest month to fly from Kathmandu to St Louis

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

Kathmandu to St Louis: Alternative routes

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

Kathmandu to St Louis: Flight information

The things to know before you go.
Cheapest flight foundR 17,754
Cheapest month to flyJuly

Finding cheap flights from Kathmandu to St Louis: Frequently asked questions

The best price we found for a return flight from Kathmandu to St Louis is R 28,893. 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 Kathmandu to St Louis. But we found flights with one or more stops from R 28,893.
As of June 2026, there are no flights flying from Kathmandu to St Louis.
The cheapest month to fly from Kathmandu to St Louis is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kathmandu Airport to St Louis Airport on Tuesday, 8 September 2026.
No airlines currently offer direct flights between Kathmandu Airport and St Louis 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 St Louis 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 St Louis is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Korean Air offers the cheapest flight tickets to St Louis.

Travelling from Kathmandu Airport (KTM) to St Louis Airport (STL): what you need to know

  • St Louis's timezone is UTC-6, making St Louis 11 hours 48 minutes behind Kathmandu.

  • Your KTM to STL flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Travelling during a peak month such as November? Public holidays and other popular periods can result in longer lines at airport checkpoints. Be extra cautious and get there up to four hours before international flights and two hours before domestic departures.

How to find the cheapest flights from Kathmandu Airport (KTM) to St Louis Airport (STL)

  • The cheapest price we've seen for a one-way Kathmandu Airport to St Louis Airport flight is R 17,754. A round-trip ticket is currently R 28,893. Depending on the availability and when you book, these fares can change.

  • To get your hands on cheap tickets from KTM to STL, book early. Airlines generally offer their most competitively priced fares when flights are first made available.

  • Getting cheap flights from Kathmandu Airport to St Louis Airport is easy if you can be flexible with your travel dates. Use the 'Whole month' search tool to see the best prices throughout the month and land a great deal.

  • There's no need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you the moment the price changes on cheap flights from KTM to STL.

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

Handy information about Kathmandu Airport (KTM)

  • 51% of flights that take off from Kathmandu Airport touch down at their destination on schedule.

  • To get to Kathmandu Airport from central Kathmandu, it'll take around 30 minutes by car. Of course, this depends on traffic. It's approximately 6 kilometres from the airport to the city centre.

  • Expect a journey time of around 40 minutes when using public transport.

  • Get your trip off to a relaxed start by staying near KTM. Whether you're taking an early flight from Kathmandu Airport to St Louis Airport or just don't like being rushed, these stays have you covered:

Arriving at St Louis Airport (STL)

Getting from St Louis Airport (STL) to central St Louis

  • STL is located at 10701 Lambert International Blvd..

  • From St Louis Airport, St Louis is approximately 24 kilometres away. It takes around 25 minutes to get to the centre driving.

  • Getting there by public transport will take you roughly 30 minutes.

When to fly to St Louis Airport (STL)

  • It's time to plan your trip dates for your flight from Kathmandu Airport to St Louis Airport. July is the most popular month to visit St Louis. If you like a more low-key vibe, go in March.

  • Book your flight from Kathmandu Airport to St Louis Airport for July if you want to go to St Louis during its warmest month. Expect temperatures of between 17ºC (63ºF) and 33ºC (91ºF).

  • If you like cooler conditions, look for a cheap ticket from KTM to STL in January. Temperatures average between -7ºC (19ºF) and 8ºC (46ºF) then.

Explore more of the United States

  • You've visited St Louis, now it's time to discover other corners of the United States. Travel around 418 kilometres north-east to Chicago to check off its popular sights. From Millennium Park to Art Institute of Chicago and Willis Tower, there's plenty to keep you on the go.

  • Indianapolis is another favourite destination in the United States and is around 370 kilometres east of St Louis. No trip is complete without dropping by Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

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