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Cheap flights from St. Louis (STL) to Kathmandu (KTM) from $639

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 7/30. 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
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
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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 June 7, 2024.

Popular in

June

Cheapest in

September

Round-trip from

$1,270

One-way from

$639
High demand for flights, 23% potential price rise
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Best time to find cheap flights, 13% potential price drop
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From Lambert-St Louis to Kathmandu Tribhuvan
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One-way flight from Lambert-St Louis to Kathmandu Tribhuvan
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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 20% 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.

What is the cheapest time of day to fly from STL to 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 St. Louis to Kathmandu flights in June & July 2024

Find cheap flight options from St. Louis to Kathmandu specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,048,502 searches. Prices were last updated on June 7, 2024.
Tue 6/186:08 amSTL - KTM
2 stops47h 07mMultiple Airlines
Tue 6/255:00 pmKTM - STL
2 stops28h 42mMultiple Airlines
Deal found 6/6$1,648
Tue 6/185:27 pmSTL - KTM
2 stops30h 18mQatar Airways
Mon 6/242:15 amKTM - STL
2 stops29h 26mQatar Airways
Deal found 6/6$2,011
Mon 6/104:48 pmSTL - KTM
2 stops21h 27mQatar Airways
Wed 6/1211:45 amKTM - STL
2 stops56h 07mQatar Airways
Deal found 6/6$2,170
Tue 6/185:31 pmSTL - KTM
3 stops34h 39mMultiple Airlines
Tue 6/255:00 pmKTM - STL
3 stops33h 26mMultiple Airlines
Deal found 6/6$2,219
Tue 6/185:31 pmSTL - KTM
3 stops34h 39mMultiple Airlines
Tue 6/255:00 pmKTM - STL
2 stops31h 15mMultiple Airlines
Deal found 6/6$2,222
Wed 6/197:47 pmSTL - KTM
2 stops27h 58mQatar Airways
Mon 7/226:00 pmKTM - STL
2 stops39h 52mQatar Airways
Deal found 6/6$2,267
Wed 6/197:47 pmSTL - KTM
2 stops34h 13mQatar Airways
Sun 7/212:15 amKTM - STL
2 stops41h 42mQatar Airways
Deal found 6/6$2,271
Wed 6/1911:05 amSTL - KTM
2 stops27h 10mMultiple Airlines
Sun 7/212:15 amKTM - STL
3 stops32h 24mMultiple Airlines
Deal found 6/6$2,323
Mon 6/1011:00 amSTL - KTM
3 stops27h 15mMultiple Airlines
Wed 6/125:00 pmKTM - STL
3 stops35h 13mMultiple Airlines
Deal found 6/6$2,628

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 3,048,502 searches. Data last updated June 7, 2024.
Wed 11/610:30 amSTL - KTM
2 stops26h 45mQatar Airways
Mon 11/188:00 amKTM - STL
2 stops50h 56mQatar Airways
Deal found 6/6$1,132
Wed 11/611:58 amSTL - KTM
3 stops25h 17mMultiple Airlines
Mon 11/1810:15 amKTM - STL
2 stops41h 55mMultiple Airlines
Deal found 6/6$1,175
Thu 11/144:55 pmSTL - KTM
2 stops26h 05mQatar Airways
Thu 12/55:40 pmKTM - STL
2 stops39h 36mQatar Airways
Deal found 6/6$1,179
Wed 11/610:30 amSTL - KTM
2 stops26h 45mQatar Airways
Sun 11/172:15 amKTM - STL
2 stops31h 01mQatar Airways
Deal found 6/6$1,190
Thu 11/144:55 pmSTL - KTM
2 stops35h 45mQatar Airways
Wed 12/42:15 amKTM - STL
2 stops42h 45mQatar Airways
Deal found 6/6$1,220
Thu 10/317:30 amSTL - KTM
2 stops36h 30mQatar Airways
Thu 11/148:00 amKTM - STL
2 stops49h 16mQatar Airways
Deal found 6/6$1,292
Mon 10/71:06 pmSTL - KTM
2 stops34h 39mQatar Airways
Thu 11/148:00 amKTM - STL
2 stops47h 58mQatar Airways
Deal found 6/6$1,306
Thu 10/3110:30 amSTL - KTM
2 stops33h 30mMultiple Airlines
Wed 11/132:15 amKTM - STL
2 stops31h 01mMultiple Airlines
Deal found 6/6$1,441
Wed 11/62:41 pmSTL - KTM
3 stops22h 34mMultiple Airlines
Sun 11/172:15 amKTM - STL
3 stops32h 52mMultiple Airlines
Deal found 6/6$1,493

St. Louis to Kathmandu flights leaving soon

Find last-minute flight options from St. Louis to Kathmandu for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,048,502 searches. Data last updated June 7, 2024.
Tue 6/186:08 amSTL - KTM
2 stops47h 07mMultiple Airlines
Tue 6/255:00 pmKTM - STL
2 stops28h 42mMultiple Airlines
Deal found 6/6$1,648
Tue 6/185:27 pmSTL - KTM
2 stops30h 18mQatar Airways
Mon 6/242:15 amKTM - STL
2 stops29h 26mQatar Airways
Deal found 6/6$2,011
Mon 6/104:48 pmSTL - KTM
2 stops21h 27mQatar Airways
Wed 6/1211:45 amKTM - STL
2 stops56h 07mQatar Airways
Deal found 6/6$2,170
Tue 6/185:31 pmSTL - KTM
3 stops34h 39mMultiple Airlines
Tue 6/255:00 pmKTM - STL
3 stops33h 26mMultiple Airlines
Deal found 6/6$2,219
Tue 6/185:31 pmSTL - KTM
3 stops34h 39mMultiple Airlines
Tue 6/255:00 pmKTM - STL
2 stops31h 15mMultiple Airlines
Deal found 6/6$2,222
Wed 6/191:42 pmSTL - KTM
2 stops24h 33mQatar Airways
Sun 7/212:15 amKTM - STL
2 stops41h 42mQatar Airways
Deal found 6/5$2,259
Wed 6/197:47 pmSTL - KTM
2 stops27h 58mQatar Airways
Mon 7/226:00 pmKTM - STL
2 stops39h 52mQatar Airways
Deal found 6/5$2,264
Wed 6/197:47 pmSTL - KTM
2 stops27h 58mQatar Airways
Mon 7/226:00 pmKTM - STL
2 stops39h 52mQatar Airways
Deal found 6/6$2,267
Wed 6/197:47 pmSTL - KTM
2 stops34h 13mQatar Airways
Sun 7/212:15 amKTM - STL
2 stops41h 42mQatar Airways
Deal found 6/6$2,271

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 3,048,502 searches. Data last updated June 7, 2024.
Tue 7/305:29 amSTL - KTM
2 stops32h 46mQatar Airways
Deal found 6/6$639
Mon 7/296:29 amSTL - KTM
2 stops31h 46mQatar Airways
Deal found 6/6$673
Wed 7/315:29 amSTL - KTM
2 stops32h 46mQatar Airways
Deal found 6/6$750
Sat 8/35:30 pmSTL - KTM
2 stops30h 15mQatar Airways
Deal found 6/6$779
Fri 8/26:29 amSTL - KTM
2 stops31h 46mQatar Airways
Deal found 6/6$796
Thu 8/110:19 amSTL - KTM
2 stops43h 41mQatar Airways
Deal found 6/6$804
Sun 8/46:29 amSTL - KTM
2 stops31h 46mQatar Airways
Deal found 6/6$827
Wed 7/3111:05 amSTL - KTM
3 stops27h 10mMultiple Airlines
Deal found 6/6$853
Fri 8/22:56 pmSTL - KTM
3 stops23h 19mMultiple Airlines
Deal found 6/6$903

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 3,048,502 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,132 - $1,549

Route

Depart

Return

Price

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 11/6

2 stops26h 45m

Kathmandu Tribhuvan

Mon 11/18

2 stops50h 56m

$1,132

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 11/6

3 stops25h 17m

Kathmandu Tribhuvan

Mon 11/18

2 stops41h 55m

$1,175

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 11/6

2 stops26h 45m

Kathmandu Tribhuvan

Sun 11/17

2 stops31h 01m

$1,190

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Thu 10/31

2 stops37h 38m

Kathmandu Tribhuvan

Thu 11/14

2 stops47h 58m

$1,250

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Thu 10/31

2 stops36h 30m

Kathmandu Tribhuvan

Thu 11/14

2 stops49h 16m

$1,292

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Mon 10/7

2 stops34h 39m

Kathmandu Tribhuvan

Thu 11/14

2 stops47h 58m

$1,306

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Thu 10/31

2 stops33h 30m

Kathmandu Tribhuvan

Wed 11/13

2 stops31h 01m

$1,441

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Wed 11/6

3 stops22h 34m

Kathmandu Tribhuvan

Sun 11/17

3 stops32h 52m

$1,493

Lambert-St LouisKathmandu Tribhuvan

STL - KTM

STLKTM

Lambert-St Louis

Thu 10/31

2 stops33h 30m

Kathmandu Tribhuvan

Wed 11/13

3 stops30h 49m

$1,549

Flights are sorted by cheapest first

Deals found on 6/6

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 May 31, 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

What is the cheapest day 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 June 2, 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

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.

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

If weather is an important factor for your trip to Kathmandu, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 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 June 7, 2024.
Qatar Airways
7.7
Good
4,314 reviews

Crew

8.1

Overall

7.7

Boarding

7.8

Entertainment

7.6

Food

7.5

Comfort

7.6

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

Qatar Airways
7.7
Good
4,314 reviews
Qatar Airways
7.7
Good
4,314 reviews

Crew

8.1

Overall

7.7

Boarding

7.8

Entertainment

7.6

Food

7.5

Comfort

7.6

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 Qatar Airways for just $1,132, but on average you can expect to pay $1,654.

  • Are there last-minute flights available from St. Louis to Kathmandu for under $1,700?

    There are currently 15+ open flights from St. Louis to Kathmandu within the next 7 days for less than $1,700.

  • 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 $1,132 on this airline. Qatar Airways is currently priced 32% 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 6/6.

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

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Kathmandu (average of $1,270). Flying from St. Louis to Kathmandu in June is currently the most expensive (average of $1,912). 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

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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 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 3,048,502 searches. Data last updated June 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,368Average$1,653FlexibilityNo 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.
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