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$947+ Cheap flights from St. Louis (STL) to Sri Lanka

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CMB
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from St. Louis to Sri Lanka

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Sri Lanka (LK0). 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 November 20, 2024.

Find flights from St. Louis to Sri Lanka within your budget

Customize your flight search to find flights from St. Louis to Sri Lanka 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 2,629,791 searches. Data last updated November 20, 2024.

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Fly to

Any airport

Route

Depart

Return

Price

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Fri 4/18

1:08 pm-2:05 am

2 stops26h 27m

Colombo Bandaranaike Intl

Sun 4/27

4:55 am-7:40 pm

2 stops25h 15m

$947

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Fri 4/18

5:18 pm-6:30 pm

3 stops38h 42m

Colombo Bandaranaike Intl

Sat 4/26

3:05 am-11:56 pm

2 stops31h 21m

$1,763

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Fri 4/18

3:50 pm-4:55 am

2 stops26h 35m

Colombo Bandaranaike Intl

Sat 4/26

12:05 am-1:30 pm

1 stop23h 55m

$5,203

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Travel insights for flights from St. Louis to Sri Lanka

Get recent, data-driven insights about flights from St. Louis to Sri Lanka including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from St. Louis to Sri Lanka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from St. Louis to Sri Lanka, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Sri Lanka by month

Plan your trip to Sri Lanka by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sri Lanka ranges from 2.4 - 13.8 inches per month. October is typically the wettest month, when rainfall can reach 13.8 in. February is typically the driest time to visit Sri Lanka when rainfall is around 2.4 in.

Temperature in Sri Lanka by month

Plan your trip to Sri Lanka by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sri Lanka, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Sri Lanka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Sri Lanka?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Sri Lanka.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Sri Lanka 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 Sri Lanka?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Sri Lanka (average of $1,049). Flying from St. Louis to Sri Lanka in June is currently the most expensive (average of $1,692). 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 Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from St. Louis to Sri Lanka

Discover the top airline that operate flights from St. Louis to Sri Lanka. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,128Average$1,428FlexibilityNo cancel feeOn-time68%
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