$848+ Cheap flights from St. Louis (STL) to Sri Lanka
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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CMB
Jul 27 — Aug 31
Round-trip
1 adult, Economy
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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
One-way
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 June 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 June 27, 2026.
This Justfly.com deal was found by Cheapflights users on 6/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:02 am
STL
- CMB
2 stops34h 33m
Qatar Airways
Fri 9/254:35 am
CMB
- STL
2 stops29h 54m
Qatar Airways
Deal found 6/25![Qatar Airways logo]()
$1,355
This Qatar Airways deal was found by Cheapflights users on 6/22. 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 9/216:29 am
STL
- CMB
2 stops34h 06m
Qatar Airways
Fri 9/254:35 am
CMB
- STL
2 stops29h 54m
Qatar Airways
Deal found 6/22![Qatar Airways logo]()
$1,429
This Orbitz deal was found by Cheapflights users on 6/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:56 pm
STL
- CMB
3 stops60h 04m
Multiple Airlines
Thu 9/242:55 am
CMB
- STL
2 stops31h 34m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,784
This oojo deal was found by Cheapflights users on 6/26. 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.
Tue 8/1811:15 am
STL
- CMB
3 stops36h 30m
Emirates
Thu 9/242:55 am
CMB
- STL
2 stops31h 34m
Emirates
Deal found 6/26![Emirates logo]()
$1,879
This Air Canada deal was found by Cheapflights users on 6/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:10 pm
STL
- CMB
2 stops30h 25m
Air Canada
Thu 9/243:25 am
CMB
- STL
3 stops51h 25m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,944
This KAYAK deal was found by Cheapflights users on 6/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:45 am
STL
- CMB
2 stops47h 35m
Qatar Airways
Fri 7/3111:25 am
CMB
- STL
2 stops39h 22m
Qatar Airways
Deal found 6/24![Qatar Airways logo]()
$1,951
This KAYAK deal was found by Cheapflights users on 6/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:55 am
STL
- CMB
2 stops26h 45m
Multiple Airlines
Wed 7/152:55 am
CMB
- STL
2 stops31h 34m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$2,079
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 June 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 June 27, 2026.
This FlightHub deal was found by Cheapflights users on 6/26. 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.
Tue 8/186:02 am
STL
- CMB
2 stops34h 33m
Qatar Airways
Fri 9/254:35 am
CMB
- STL
2 stops29h 54m
Qatar Airways
Deal found 6/26![Qatar Airways logo]()
$1,355
This Orbitz deal was found by Cheapflights users on 6/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:56 pm
STL
- CMB
3 stops60h 04m
Multiple Airlines
Thu 9/242:55 am
CMB
- STL
2 stops31h 34m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,784
This oojo deal was found by Cheapflights users on 6/26. 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.
Tue 8/1811:15 am
STL
- CMB
3 stops36h 30m
Emirates
Thu 9/242:55 am
CMB
- STL
2 stops31h 34m
Emirates
Deal found 6/26![Emirates logo]()
$1,879
This Air Canada deal was found by Cheapflights users on 6/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:10 pm
STL
- CMB
2 stops30h 25m
Air Canada
Thu 9/243:25 am
CMB
- STL
3 stops51h 25m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,944
This Qatar Airways deal was found by Cheapflights users on 6/22. 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 9/216:29 am
STL
- CMB
2 stops34h 06m
Qatar Airways
Fri 9/254:35 am
CMB
- STL
2 stops29h 54m
Qatar Airways
Deal found 6/22![Qatar Airways logo]()
$1,429
This KAYAK deal was found by Cheapflights users on 6/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:45 am
STL
- CMB
2 stops47h 35m
Qatar Airways
Fri 7/3111:25 am
CMB
- STL
2 stops39h 22m
Qatar Airways
Deal found 6/24![Qatar Airways logo]()
$1,951
This Emirates deal was found by Cheapflights users on 6/22. 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 9/213:13 pm
STL
- CMB
3 stops32h 32m
Emirates
Fri 9/2510:05 pm
CMB
- STL
2 stops33h 46m
Emirates
Deal found 6/22![Emirates logo]()
$2,251
This Travelocity deal was found by Cheapflights users on 6/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:28 pm
STL
- CMB
2 stops36h 52m
Multiple Airlines
Fri 7/318:35 pm
CMB
- STL
3 stops37h 54m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$2,932
Last-minute flights from St. Louis to Sri LankaDiscover last-minute flight deals from St. Louis to Sri Lanka. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Sri Lanka. Data last updated June 27, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 6/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:55 am
STL
- CMB
2 stops26h 45m
Multiple Airlines
Wed 7/152:55 am
CMB
- STL
2 stops31h 34m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$2,079
This KAYAK deal was found by Cheapflights users on 6/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:45 am
STL
- CMB
2 stops47h 35m
Qatar Airways
Fri 7/3111:25 am
CMB
- STL
2 stops39h 22m
Qatar Airways
Deal found 6/24![Qatar Airways logo]()
$1,951
This Travelocity deal was found by Cheapflights users on 6/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:28 pm
STL
- CMB
2 stops36h 52m
Multiple Airlines
Fri 7/318:35 pm
CMB
- STL
3 stops37h 54m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$2,932
One-way flights from St. Louis to Sri LankaSearch for one-way flight options from St. Louis to Sri Lanka. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from St. Louis to Sri Lanka. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:56 pm
STL
- CMB
3 stops51h 09m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$848
This American Airlines deal was found by Cheapflights users on 6/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:39 am
STL
- CMB
2 stops29h 56m
American Airlines
Deal found 6/22![American Airlines logo]()
$948
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:56 pm
STL
- CMB
3 stops51h 09m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,121
This oojo deal was found by Cheapflights users on 6/26. 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.
Fri 7/36:55 am
STL
- CMB
2 stops54h 05m
Cathay Pacific
Deal found 6/26![Cathay Pacific logo]()
$1,149
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 June 27, 2026.
Round-trip from | $1,355 (Justfly.com) |
|---|---|
One-way from | $848 (Kiwi.com) |
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 2,558,603 searches. Data last updated June 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 - CMB
STLCMB
Lambert-St Louis
Tue 8/18
6:02 am-3:05 am
2 stops34h 33m
Colombo Bandaranaike Intl
Fri 9/25
4:35 am-11:59 pm
2 stops29h 54m
$1,355
Quickest round-trip
St. LouisColombo
STL - CMB
STLCMB
Lambert-St Louis
Mon 9/21
6:29 am-3:05 am
2 stops34h 06m
Colombo Bandaranaike Intl
Fri 9/25
4:35 am-11:59 pm
2 stops29h 54m
$1,429
St. LouisColombo
STL - CMB
STLCMB
Lambert-St Louis
Tue 8/18
7:56 pm-6:30 pm
3 stops60h 04m
Colombo Bandaranaike Intl
Thu 9/24
2:55 am-11:59 pm
2 stops31h 34m
$1,784
St. LouisColombo
STL - CMB
STLCMB
Lambert-St Louis
Tue 8/18
11:15 am-10:15 am
3 stops36h 30m
Colombo Bandaranaike Intl
Thu 9/24
2:55 am-11:59 pm
2 stops31h 34m
$1,879
St. LouisColombo
STL - CMB
STLCMB
Lambert-St Louis
Tue 8/18
12:10 pm-5:05 am
2 stops30h 25m
Colombo Bandaranaike Intl
Thu 9/24
3:25 am-8:20 pm
3 stops51h 25m
$1,944
St. LouisColombo
STL - CMB
STLCMB
Lambert-St Louis
Sat 7/11
6:45 am-4:50 pm
2 stops47h 35m
Colombo Bandaranaike Intl
Fri 7/31
11:25 am-4:17 pm
2 stops39h 22m
$1,951
St. LouisColombo
STL - CMB
STLCMB
Lambert-St Louis
Mon 9/21
3:13 pm-10:15 am
3 stops32h 32m
Colombo Bandaranaike Intl
Fri 9/25
10:05 pm-9:21 pm
2 stops33h 46m
$2,251
St. LouisColombo
STL - CMB
STLCMB
Lambert-St Louis
Sat 7/11
5:28 pm-4:50 pm
2 stops36h 52m
Colombo Bandaranaike Intl
Fri 7/31
8:35 pm-11:59 pm
3 stops37h 54m
$2,932
Cheapest one-way
St. LouisColombo
STL - CMB
STLCMB
Lambert-St Louis
Mon 7/13
7:56 pm-9:35 am
3 stops51h 09m
$848
Quickest one-way
St. LouisColombo
STL - CMB
STLCMB
Lambert-St Louis
Mon 7/13
9:39 am-2:05 am
2 stops29h 56m
$948
Showing 1-10 of 12 resultsSorted 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 June 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
7.3
Boarding
7.5
Entertainment
7.3
Crew
7.9
Food
7.3
Comfort
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.3
Boarding
7.5
Entertainment
7.3
Crew
7.9
Food
7.3
Comfort
7.3
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.
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Alternative routes for St. Louis to Sri Lanka
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Complete your trip
Complete your trip to Sri Lanka by adding a car rental and/or hotel reservation to your travel itinerary.
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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 June 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 2,558,603 searches. Data last updated June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,147 | Average$1,579 | FlexibilityNo cancel fee | On-time68% |