$1,332+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CMB
Oct 27 — Nov 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Sri Lanka with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Sri Lanka
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to Sri LankaExplore the most affordable flight options available from St. Louis to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 27, 2026.
Explore the most affordable flight options available from St. Louis to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 27, 2026.
This oojo deal was found by Cheapflights users on 9/25. 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.
Mon 11/96:00 am -
2 stops32h 25m
Sun 11/154:15 am -
2 stops31h 14m
Deal found 9/25![Qatar Airways logo]()
$1,332
This Turkish Airlines deal was found by Cheapflights users on 9/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 am -
2 stops36h 25m
Thu 10/226:50 am -
2 stops49h 01m
Deal found 9/26![Turkish Airlines logo]()
$1,487
This Qatar Airways deal was found by Cheapflights users on 9/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:31 am -
2 stops29h 04m
Thu 10/224:35 am -
2 stops27h 54m
Deal found 9/22![Qatar Airways logo]()
$1,557
This Emirates deal was found by Cheapflights users on 9/22. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:11 pm -
2 stops30h 29m
Thu 10/228:35 pm -
3 stops35h 16m
Deal found 9/22![Emirates logo]()
$1,618
This Ovago deal was found by Cheapflights users on 9/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:53 am -
2 stops33h 57m
Mon 11/168:15 pm -
3 stops53h 40m
Deal found 9/25![Multiple Airlines logo]()
$1,667
This Emirates deal was found by Cheapflights users on 9/25. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:15 pm -
3 stops31h 30m
Mon 11/1611:15 am -
3 stops46h 41m
Deal found 9/25![Emirates logo]()
$4,843
Best flights from St. Louis to Sri LankaDiscover carefully curated flight deals from St. Louis to Sri Lanka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
Discover carefully curated flight deals from St. Louis to Sri Lanka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 27, 2026.
This Turkish Airlines deal was found by Cheapflights users on 9/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 am -
2 stops36h 25m
Thu 10/226:50 am -
2 stops49h 01m
Deal found 9/26![Turkish Airlines logo]()
$1,487
This Qatar Airways deal was found by Cheapflights users on 9/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:31 am -
2 stops29h 04m
Thu 10/224:35 am -
2 stops27h 54m
Deal found 9/22![Qatar Airways logo]()
$1,557
This Emirates deal was found by Cheapflights users on 9/26. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:11 pm -
2 stops30h 29m
Thu 10/2211:15 am -
3 stops44h 36m
Deal found 9/26![Emirates logo]()
$1,618
Last-minute flights from St. Louis to Sri LankaDiscover last-minute flight deals from St. Louis to Sri Lanka. Data last updated September 27, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Sri Lanka. Data last updated September 27, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 9/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 am -
2 stops36h 25m
Thu 10/226:50 am -
2 stops49h 01m
Deal found 9/26![Turkish Airlines logo]()
$1,487
This Qatar Airways deal was found by Cheapflights users on 9/22. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:31 am -
2 stops29h 04m
Thu 10/224:35 am -
2 stops27h 54m
Deal found 9/22![Qatar Airways logo]()
$1,557
This Emirates deal was found by Cheapflights users on 9/24. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:11 pm -
2 stops30h 29m
Thu 10/228:35 pm -
3 stops35h 16m
Deal found 9/24![Emirates logo]()
$1,618
Find flight deals from St. Louis to Sri Lanka
Keep the following information in mind while searching for St. Louis to Sri Lanka flight deals. Data was last updated September 27, 2026.
Round-trip from | $1,332 (oojo) |
|---|
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 27, 2026.
Use the filters below to find and compare flights from St. Louis to Sri Lanka that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisColombo
STL Lambert-St Louis - CMB Colombo Bandaranaike Intl
STLCMB
Lambert-St Louis
Mon 10/19
8:00 am-6:55 am
2 stops36h 25m
Colombo Bandaranaike Intl
Thu 10/22
6:50 am-9:21 pm
2 stops49h 01m
$1,487
Quickest round-trip
St. LouisColombo
STL Lambert-St Louis - CMB Colombo Bandaranaike Intl
STLCMB
Lambert-St Louis
Mon 10/19
11:31 am-3:05 am
2 stops29h 04m
Colombo Bandaranaike Intl
Thu 10/22
4:35 am-9:59 pm
2 stops27h 54m
$1,557
St. LouisColombo
STL Lambert-St Louis - CMB Colombo Bandaranaike Intl
STLCMB
Lambert-St Louis
Mon 10/19
3:11 pm-8:10 am
2 stops30h 29m
Colombo Bandaranaike Intl
Thu 10/22
11:15 am-9:21 pm
3 stops44h 36m
$1,618
Sorted by cheapest first
Best time to book a flight from St. Louis to Sri Lanka
Have a flexible travel schedule? Discover the best time to fly to Sri Lanka from St. Louis with our price prediction graph.
STL-CMB
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 Sri Lanka
STL-LK0
STL-CMB
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Sri Lanka
Get insights into the airlines that provide service to Sri Lanka. 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 Sri Lanka. Reviews last updated September 27, 2026.
See what other customers who have flown with Qatar Airways from St. Louis to Sri Lanka have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Entertainment
7.3
Crew
7.9
Comfort
7.3
Food
7.3
Boarding
7.5
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.4
Entertainment
7.3
Crew
7.9
Comfort
7.3
Food
7.3
Boarding
7.5
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for St. Louis to Sri Lanka
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sri Lanka by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Sri Lanka by cabin class
Find flights from St. Louis to Sri Lanka, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Sri Lanka flights
Browse other St. Louis and Sri Lanka flight options. Last updated on September 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Sri Lanka flights
Consider these flights traveling from St. Louis to Sri Lanka.
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 7,457,451 searches. Data last updated September 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,147 | Average$1,468 | FlexibilityNo cancel fee | On-time68% |