Cheap flights from St. Louis (STL) to Kathmandu (KTM) from $779

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — KTM
May 21 — May 281

The best prices from Lambert-St Louis to Kathmandu Tribhuvan are usually found in September or May, booked 73 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from St. Louis to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Kathmandu (KTM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2024.

Popular in

June

Cheapest in

September

Round-trip from

$1,261

One-way from

$786
High demand for flights, 23% potential price rise
Best time to find cheap flights, 13% potential price drop
From Lambert-St Louis to Kathmandu Tribhuvan
One-way flight from Lambert-St Louis to Kathmandu Tribhuvan

What is the cheapest day to fly round-trip from St. Louis to Kathmandu?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 17% when planning your travel around this day of the week.

How far in advance should I book a flight from St. Louis to Kathmandu?

Users have found that booking a flight from St. Louis to Kathmandu at least 48 days early can save you up to 4% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from St. Louis to Kathmandu for as little as $1,497 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,655 for flights departing within the next 3 days.

What is the cheapest month to fly from St. Louis to Kathmandu?

Flights from St. Louis to Kathmandu lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to Kathmandu in September, with the cheapest ticket starting at $1,101.

When is the cheapest time to fly from St. Louis to Kathmandu (STL - KTM)?

It’s optimal to fly from St. Louis to Kathmandu in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the afternoon.

Cheap Qatar Airways flights from St. Louis to Kathmandu

Explore cheap flight options specifically provided by Qatar Airways for the route between St. Louis and Kathmandu. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Wed 9/187:00 amSTL - KTM
2 stops31h 15mQatar Airways
Sun 9/2211:45 amKTM - STL
2 stops41h 21mQatar Airways
Deal found 5/15$1,501
Fri 6/144:48 pmSTL - KTM
2 stops21h 27mQatar Airways
Thu 6/202:15 amKTM - STL
2 stops31h 56mQatar Airways
Deal found 5/15$2,274
Wed 6/195:00 amSTL - KTM
2 stops33h 15mQatar Airways
Sun 7/212:15 amKTM - STL
2 stops41h 42mQatar Airways
Deal found 5/15$2,373

Cheap St. Louis to Kathmandu flights in May & June 2024

Find cheap flight options from St. Louis to Kathmandu specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Fri 6/143:25 pmSTL - KTM
2 stops32h 20mMultiple Airlines
Fri 6/215:00 pmKTM - STL
2 stops55h 15mMultiple Airlines
Deal found 5/15$1,957
Wed 6/193:25 pmSTL - KTM
2 stops36h 45mMultiple Airlines
Mon 7/225:00 pmKTM - STL
3 stops33h 25mMultiple Airlines
Deal found 5/15$2,195
Fri 6/144:48 pmSTL - KTM
2 stops21h 27mQatar Airways
Thu 6/202:15 amKTM - STL
2 stops31h 56mQatar Airways
Deal found 5/15$2,274
Wed 6/193:25 pmSTL - KTM
2 stops32h 20mMultiple Airlines
Mon 7/227:35 amKTM - STL
2 stops42h 50mMultiple Airlines
Deal found 5/15$2,276
Wed 6/195:00 amSTL - KTM
2 stops33h 15mQatar Airways
Sun 7/212:15 amKTM - STL
2 stops41h 42mQatar Airways
Deal found 5/15$2,373
Fri 6/147:47 pmSTL - KTM
2 stops27h 58mMultiple Airlines
Fri 6/219:35 pmKTM - STL
3 stops33h 11mMultiple Airlines
Deal found 5/15$2,458
Fri 6/1411:00 amSTL - KTM
3 stops27h 15mMultiple Airlines
Fri 6/219:35 pmKTM - STL
3 stops33h 11mMultiple Airlines
Deal found 5/15$2,463
Fri 6/141:42 pmSTL - KTM
3 stops24h 33mMultiple Airlines
Thu 6/202:15 amKTM - STL
2 stops31h 56mMultiple Airlines
Deal found 5/15$2,519
Wed 6/195:00 amSTL - KTM
2 stops33h 15mMultiple Airlines
Sun 7/212:15 amKTM - STL
3 stops32h 24mMultiple Airlines
Deal found 5/15$2,904

St. Louis to Kathmandu 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Kathmandu in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Wed 9/112:38 pmSTL - KTM
3 stops23h 37mMultiple Airlines
Tue 9/176:00 pmKTM - STL
3 stops30h 41mMultiple Airlines
Deal found 5/15$1,169
Wed 9/114:17 pmSTL - KTM
2 stops31h 28mMultiple Airlines
Tue 9/176:00 pmKTM - STL
3 stops30h 41mMultiple Airlines
Deal found 5/15$1,171
Wed 9/117:30 amSTL - KTM
2 stops30h 45mMultiple Airlines
Tue 9/176:00 pmKTM - STL
2 stops35h 13mMultiple Airlines
Deal found 5/15$1,281
Wed 9/1111:08 amSTL - KTM
3 stops27h 07mMultiple Airlines
Mon 9/162:15 amKTM - STL
3 stops31h 50mMultiple Airlines
Deal found 5/15$1,282
Wed 9/114:17 pmSTL - KTM
2 stops31h 28mMultiple Airlines
Mon 9/162:15 amKTM - STL
3 stops31h 50mMultiple Airlines
Deal found 5/15$1,284
Wed 9/187:00 amSTL - KTM
2 stops31h 15mQatar Airways
Sun 9/2211:45 amKTM - STL
2 stops41h 21mQatar Airways
Deal found 5/15$1,501
Fri 6/143:25 pmSTL - KTM
2 stops32h 20mMultiple Airlines
Fri 6/215:00 pmKTM - STL
2 stops55h 15mMultiple Airlines
Deal found 5/15$1,957
Sat 12/141:27 pmSTL - KTM
3 stops31h 53mMultiple Airlines
Sat 1/185:15 pmKTM - STL
2 stops32h 25mMultiple Airlines
Deal found 5/15$2,179
Sat 12/141:27 pmSTL - KTM
3 stops31h 53mMultiple Airlines
Sat 1/185:15 pmKTM - STL
2 stops32h 25mMultiple Airlines
Deal found 5/16$2,180

One-way flights to Kathmandu from St. Louis

Search for one-way flight options from St. Louis to Kathmandu. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Wed 5/2911:36 amSTL - KTM
3 stops46h 14mMultiple Airlines
Deal found 5/15$779
Tue 7/307:00 amSTL - KTM
2 stops31h 15mQatar Airways
Deal found 5/15$786
Tue 7/304:45 pmSTL - KTM
3 stops57h 10mMultiple Airlines
Deal found 5/15$817
Tue 5/282:12 pmSTL - KTM
3 stops43h 38mMultiple Airlines
Deal found 5/15$845
Wed 5/2211:36 amSTL - KTM
3 stops46h 14mMultiple Airlines
Deal found 5/15$876
Tue 5/217:01 amSTL - KTM
3 stops50h 49mMultiple Airlines
Deal found 5/15$879
Thu 5/3010:46 amSTL - KTM
3 stops27h 29mMultiple Airlines
Deal found 5/15$952
Thu 5/232:00 pmSTL - KTM
3 stops24h 15mMultiple Airlines
Deal found 5/15$971
Tue 5/217:00 amSTL - KTM
2 stops40h 45mQatar Airways
Deal found 5/15$972

Find flights from St. Louis to Kathmandu within your budget

Customize your flight search to find flights from St. Louis to Kathmandu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,169 - $2,373

Route

Depart

Return

Price

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 9/11

3 stops23h 37m

Kathmandu Tribhuvan

Tue 9/17

3 stops30h 41m

$1,169

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 9/11

2 stops31h 28m

Kathmandu Tribhuvan

Tue 9/17

3 stops30h 41m

$1,171

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 9/11

2 stops30h 45m

Kathmandu Tribhuvan

Tue 9/17

2 stops35h 13m

$1,281

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 9/11

3 stops27h 07m

Kathmandu Tribhuvan

Mon 9/16

3 stops31h 50m

$1,282

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 9/11

2 stops31h 28m

Kathmandu Tribhuvan

Mon 9/16

3 stops31h 50m

$1,284

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 9/18

2 stops31h 15m

Kathmandu Tribhuvan

Sun 9/22

2 stops41h 21m

$1,501

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Fri 6/14

2 stops32h 20m

Kathmandu Tribhuvan

Fri 6/21

2 stops55h 15m

$1,957

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Fri 6/14

2 stops21h 27m

Kathmandu Tribhuvan

Thu 6/20

2 stops31h 56m

$2,274

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 6/19

2 stops33h 15m

Kathmandu Tribhuvan

Sun 7/21

2 stops41h 42m

$2,373

Flights are sorted by cheapest first

Deals found on 5/15

When is the best time to book a flight from St. Louis to Kathmandu?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Kathmandu. Price data was last updated on May 10, 2024.
The best time to book flights from St. Louis to Kathmandu is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from St. Louis to Kathmandu?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Kathmandu. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Kathmandu flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Kathmandu by month

Plan your trip from St. Louis to Kathmandu by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Kathmandu is currently $875 while a round-trip flight costs $1,588. Price data was last updated on May 12, 2024.

Currently, August is the cheapest month in which you can book a flight from St. Louis to Kathmandu (average of $1,261). Flying from St. Louis to Kathmandu in June is currently the most expensive (average of $1,927). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$1,318

February

$1,346

March

$1,348

April

$1,333

May

$1,478

June

$1,927

July

$1,626

August

$1,261

September

$1,277

October

$1,525

November

$1,528

December

$1,671

Temperature and rainfall in Kathmandu by month

Plan your trip to Kathmandu by taking into account the average temperature and rainfall totals by month.

KTM

Temperature

50 - 73.4 °F

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kathmandu. Reviews last updated May 16, 2024.
7.7
Good
4,387 reviews

Crew

8.2

Boarding

7.8

Comfort

7.7

Overall

7.7

Food

7.5

Entertainment

7.7

Reviews

1 / 10

Service was slow in the flight from iad to doh. The entertainment was not working in the flight from doh to ccu

7.7
Good
4,387 reviews
7.7
Good
4,387 reviews

Crew

8.2

Boarding

7.8

Comfort

7.7

Overall

7.7

Food

7.5

Entertainment

7.7

Reviews

1 / 10

Service was slow in the flight from iad to doh. The entertainment was not working in the flight from doh to ccu

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from St. Louis to Kathmandu for under $1,200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Kathmandu for under $1,200. The cheapest flight booked recently is on Multiple Airlines for just $1,169, but on average you can expect to pay $2,059.

  • What is the cheapest airline to fly from St. Louis to Kathmandu round-trip?

    Our cheapest airline available from St. Louis to Kathmandu is Qatar Airways. Our recent data shows that you can find tickets from as low as $1,501 on this airline. Qatar Airways is currently priced 10% below the average price you’ll pay for this route.

  • What does STL to KTM mean?

    STL and KTM are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to KTM refers to a flight route from Lambert-St Louis Airport to Kathmandu Tribhuvan Airport.

  • Can I find deals for flights from St. Louis to Kathmandu that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Kathmandu flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Kathmandu with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Kathmandu flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Kathmandu that include hotel bookings?

    Yes. In addition to deals on St. Louis to Kathmandu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Kathmandu.

  • Can I find deals for business class flights from St. Louis to Kathmandu?

    Yes. Cheapflights offers flight deals from St. Louis to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Kathmandu that allow pets onboard?

    Many airlines flying from St. Louis to Kathmandu offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Kathmandu?

    Yes, you can often find last-minute deals on St. Louis to Kathmandu flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Kathmandu flight deals updated?

    The St. Louis to Kathmandu flight deals you see on this page were last updated on 5/16.

See more FAQs

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Alternative routes for St. Louis to Kathmandu
See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from St. Louis to Kathmandu

Discover the top airline that operate flights from St. Louis to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,368Average$1,649FlexibilityNo cancel feeOn-time68%
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Search flights from St. Louis to Kathmandu by cabin class

Find flights from St. Louis to Kathmandu, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to Kathmandu?

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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Kathmandu?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Kathmandu by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Kathmandu with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Kathmandu, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Kathmandu become cheaper?

Not ready to book yet? You can track prices for flights from St. Louis to Kathmandu on Cheapflights with our Price Alert feature and get notified when better prices are available.

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