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Kathmandu

$536+ Cheap flights from St. Louis (STL) to Kathmandu (KTM)

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — KTM
nov. 26 — dic. 31
mié. 11/26
mié. 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Kathmandu Tribhuvan are usually found in February or March, booked 51 days in advance, depart on a Saturday or Monday 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 octubre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,023
(Turkish Airlines)

Popular in

December

Cheapest in

February

Average price

$1,573
Provider with most accurate pricing for Lambert-St Louis-Kathmandu Tribhuvan flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Kathmandu Tribhuvan flights.
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From Lambert-St Louis to Kathmandu Tribhuvan
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Highest demand for flights based on searches. 12% potential increase in price ($246 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($74 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from St. Louis to Kathmandu

Cheapest flights from St. Louis to Kathmandu
Explore the most affordable flight options available from St. Louis to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 27, 2025.

This Justfly.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/306:08 pmSTL - KTM
2 stops28h 52mQatar Airways
sáb. 11/15:40 pmKTM - STL
2 stops42h 01mQatar Airways
Deal found 10/26$1,642
This oojo deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/135:27 pmSTL - KTM
2 stops53h 58mTurkish Airlines
mié. 1/1412:35 pmKTM - STL
2 stops37h 40mTurkish Airlines
Deal found 10/27$1,776
This oojo deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/135:27 pmSTL - KTM
2 stops53h 58mTurkish Airlines
mar. 1/1312:35 pmKTM - STL
2 stops37h 40mTurkish Airlines
Deal found 10/25$1,807
This oojo deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/115:27 pmSTL - KTM
2 stops29h 58mTurkish Airlines
jue. 12/1812:35 pmKTM - STL
2 stops37h 36mTurkish Airlines
Deal found 10/27$1,907
This oojo deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/155:27 pmSTL - KTM
2 stops29h 58mTurkish Airlines
jue. 1/1512:35 pmKTM - STL
2 stops46h 08mTurkish Airlines
Deal found 10/26$1,914
This oojo deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/236:00 pmSTL - KTM
2 stops26h 10mQatar Airways
vie. 1/167:05 pmKTM - STL
2 stops39h 24mQatar Airways
Deal found 10/24$1,987
This oojo deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/145:27 pmSTL - KTM
2 stops53h 58mTurkish Airlines
sáb. 1/1012:35 pmKTM - STL
2 stops37h 40mTurkish Airlines
Deal found 10/26$2,005
This FlightHub deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/143:50 pmSTL - KTM
2 stops29h 30mMultiple Airlines
mar. 12/3010:20 pmKTM - STL
2 stops27h 20mMultiple Airlines
Deal found 10/26$2,139
This oojo deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/155:27 pmSTL - KTM
2 stops53h 58mTurkish Airlines
mié. 12/3112:35 pmKTM - STL
2 stops41h 04mTurkish Airlines
Deal found 10/26$2,149
This Fareboom deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1510:00 amSTL - KTM
2 stops23h 35mAir India
jue. 1/1510:20 pmKTM - STL
3 stops36h 23mAir India
Deal found 10/26$2,261

Cheapflights Fare Finder

 
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 2,558,603 searches. Data last updated octubre 27, 2025.
Use the filters below to find and compare flights from St. Louis to Kathmandu that are best for you.

Fly from

St. Louis

Fly to

Kathmandu

Route

Depart

Return

Price

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

mar. 1/20

3:11 pm-11:10 am

2 stops32h 14m

Kathmandu Tribhuvan

mar. 3/3

12:35 pm-9:00 pm

2 stops44h 10m

$1,023

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

mié. 2/4

3:11 pm-11:10 am

2 stops56h 14m

Kathmandu Tribhuvan

mié. 3/4

12:35 pm-9:00 pm

2 stops44h 10m

$1,023

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

jue. 2/5

11:05 am-9:30 pm

2 stops46h 40m

Kathmandu Tribhuvan

mar. 3/3

10:55 pm-11:48 pm

2 stops36h 38m

$1,235

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

jue. 2/5

11:05 am-9:30 pm

2 stops46h 40m

Kathmandu Tribhuvan

lun. 3/2

10:55 pm-6:11 pm

2 stops31h 01m

$1,235

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

mar. 2/3

11:05 am-9:30 pm

2 stops46h 40m

Kathmandu Tribhuvan

mar. 3/3

10:55 pm-11:48 pm

2 stops36h 38m

$1,235

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

mié. 2/4

5:04 pm-9:30 pm

2 stops40h 41m

Kathmandu Tribhuvan

mar. 3/3

10:55 pm-11:48 pm

2 stops36h 38m

$1,235

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

vie. 2/6

5:04 pm-9:30 pm

2 stops40h 41m

Kathmandu Tribhuvan

mar. 3/3

10:55 pm-11:48 pm

2 stops36h 38m

$1,285

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

dom. 2/1

5:20 pm-9:30 pm

2 stops40h 25m

Kathmandu Tribhuvan

lun. 3/2

10:55 pm-6:11 pm

2 stops31h 01m

$1,290

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

dom. 2/1

11:05 am-9:30 pm

2 stops46h 40m

Kathmandu Tribhuvan

mar. 3/3

10:55 pm-11:48 pm

2 stops36h 38m

$1,290

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

mié. 2/4

5:04 pm-9:30 pm

2 stops40h 41m

Kathmandu Tribhuvan

jue. 3/5

10:55 pm-11:48 pm

2 stops36h 38m

$1,292

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 12 results
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Compare providers for flights from St. Louis to Kathmandu

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Kathmandu in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Kathmandu flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Kathmandu flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Kathmandu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Kathmandu flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Kathmandu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Kathmandu

How far ahead should I 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 October 24, 2025.

The best time to book flights from St. Louis to Kathmandu is 50 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.

What is the cheapest month to book a flight from St. Louis to Kathmandu?

Currently, March is the cheapest month in which you can book a flight from St. Louis to Kathmandu (average of $766). Flying from St. Louis to Kathmandu in June is currently the most expensive (average of $1,990). 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.

What is the cheapest time of day to fly from STL to KTM?

Find hourly flight availability from St. Louis to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 27, 2025.

It’s optimal to fly from St. Louis to Kathmandu in the morning. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight at noon.

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 octubre 27, 2025.
Peruse reviews from past customers who have flown with Qatar Airways from St. Louis to Kathmandu to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,658 reviews

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Overall

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,658 reviews
Qatar Airways
7.4
Good
3,658 reviews

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Overall

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

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.

  • How long is the flight from St. Louis to Kathmandu?

    Airlines like Cathay Pacific fly from St. Louis to Kathmandu in about 46h 40m. The time it takes to get you to your destination can typically vary by up to . The distance from St. Louis to Kathmandu is about 7832 mi.

  • What are the cheapest airlines flying 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 $1,140 on this airline. An additional option worth looking into is Cathay Pacific, starting at $1,739. Qatar Airways is currently priced 30% below the average price you’ll pay for this route.

  • 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.

  • What is the cheapest month to book a flight from St. Louis to Kathmandu?

    Currently, March is the cheapest month in which you can book a flight from St. Louis to Kathmandu (average of $766). Flying from St. Louis to Kathmandu in June is currently the most expensive (average of $1,990). 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.

See more FAQs

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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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.
Kansas City to Kathmandu flights

Top 2 airlines flying from St. Louis to Kathmandu

Discover the top 2 airlines 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 2,558,603 searches. Data last updated octubre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,140Average$1,460FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,739Average$2,307FlexibilityNo cancel feeOn-time72%

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