$619+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CMB
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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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
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 August 11, 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 August 11, 2026.
This FlightHub deal was found by Cheapflights users on 8/10. 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.
Mon 9/76:35 am -
2 stops39h 55m
Mon 9/144:35 am -
2 stops29h 54m
Deal found 8/10![Qatar Airways logo]()
$1,344
This Qatar Airways deal was found by Cheapflights users on 8/6. 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.
Sun 9/276:29 am -
2 stops33h 06m
Thu 10/18:20 pm -
2 stops38h 09m
Deal found 8/6![Qatar Airways logo]()
$1,401
This Travelocity deal was found by Cheapflights users on 8/10. 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.
Mon 9/76:35 am -
3 stops49h 25m
Mon 9/148:35 pm -
3 stops52h 16m
Deal found 8/10![Multiple Airlines logo]()
$1,784
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 8/1512:45 pm -
2 stops26h 50m
Sat 8/224:35 am -
2 stops28h 35m
Deal found 8/10![American Airlines logo]()
$1,866
This Emirates deal was found by Cheapflights users on 8/6. 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.
Sun 9/273:11 pm -
3 stops32h 34m
Wed 9/302:55 am -
2 stops28h 56m
Deal found 8/6![Emirates logo]()
$2,457
This Travelocity deal was found by Cheapflights users on 8/10. 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 8/1512:45 pm -
2 stops33h 45m
Sat 8/228:35 pm -
3 stops34h 19m
Deal found 8/10![Multiple Airlines logo]()
$2,610
This oojo deal was found by Cheapflights users on 8/10. 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.
Sat 8/1512:59 pm -
3 stops43h 01m
Sat 8/228:35 pm -
3 stops37h 54m
Deal found 8/10![Emirates logo]()
$2,744
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 August 11, 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 August 11, 2026.
This Qatar Airways deal was found by Cheapflights users on 8/8. 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.
Sun 9/276:29 am -
2 stops33h 06m
Thu 10/18:20 pm -
2 stops38h 09m
Deal found 8/8![Qatar Airways logo]()
$1,401
This Etihad Airways deal was found by Cheapflights users on 8/8. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/151:06 pm -
2 stops38h 14m
Wed 1/279:55 am -
2 stops44h 09m
Deal found 8/8![Multiple Airlines logo]()
$1,455
This Ovago deal was found by Cheapflights users on 8/7. 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.
Fri 1/110:01 am -
2 stops22h 44m
Tue 1/54:00 am -
2 stops50h 04m
Deal found 8/7![Etihad Airways logo]()
$1,465
This Emirates deal was found by Cheapflights users on 8/5. 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.
Sun 9/273:11 pm -
3 stops32h 34m
Thu 10/110:05 pm -
2 stops33h 46m
Deal found 8/5![Emirates logo]()
$2,457
This Travelocity deal was found by Cheapflights users on 8/10. 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.
Mon 9/76:35 am -
3 stops49h 25m
Mon 9/148:35 pm -
3 stops52h 16m
Deal found 8/10![Multiple Airlines logo]()
$1,784
Last-minute flights from St. Louis to Sri LankaDiscover last-minute flight deals from St. Louis to Sri Lanka. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Sri Lanka. Data last updated August 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 8/1512:45 pm -
2 stops26h 50m
Sat 8/224:35 am -
2 stops28h 35m
Deal found 8/10![American Airlines logo]()
$1,866
This Travelocity deal was found by Cheapflights users on 8/10. 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 8/1512:45 pm -
2 stops33h 45m
Sat 8/228:35 pm -
3 stops34h 19m
Deal found 8/10![Multiple Airlines logo]()
$2,610
This oojo deal was found by Cheapflights users on 8/10. 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.
Sat 8/1512:59 pm -
3 stops43h 01m
Sat 8/228:35 pm -
3 stops37h 54m
Deal found 8/10![Emirates logo]()
$2,744
This FlightHub deal was found by Cheapflights users on 8/10. 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.
Mon 9/76:35 am -
2 stops39h 55m
Mon 9/144:35 am -
2 stops29h 54m
Deal found 8/10![Qatar Airways logo]()
$1,344
This Travelocity deal was found by Cheapflights users on 8/10. 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.
Mon 9/76:35 am -
3 stops49h 25m
Mon 9/148:35 pm -
3 stops52h 16m
Deal found 8/10![Multiple Airlines logo]()
$1,784
This Qatar Airways deal was found by Cheapflights users on 8/6. 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.
Sun 9/276:29 am -
2 stops33h 06m
Thu 10/18:20 pm -
2 stops38h 09m
Deal found 8/6![Qatar Airways logo]()
$1,401
This Emirates deal was found by Cheapflights users on 8/6. 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.
Sun 9/273:11 pm -
3 stops32h 34m
Wed 9/302:55 am -
2 stops28h 56m
Deal found 8/6![Emirates logo]()
$2,457
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 August 11, 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 August 11, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/7. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:44 am -
2 stops24h 21m
Deal found 8/7![Multiple Airlines logo]()
$619
This Kiwi.com deal was found by Cheapflights users on 8/7. 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.
Wed 9/26:45 pm -
3 stops39h 20m
Deal found 8/7![Multiple Airlines logo]()
$687
This Indian Eagle deal was found by Cheapflights users on 8/7. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:13 pm -
3 stops40h 47m
Deal found 8/7![Emirates logo]()
$1,307
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 August 11, 2026.
Round-trip from | $1,344 (FlightHub) |
|---|---|
One-way from | $619 (Etihad Airways) |
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 August 11, 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
Sun 9/27
6:29 am-2:05 am
2 stops33h 06m
Colombo Bandaranaike Intl
Thu 10/1
8:20 pm-11:59 pm
2 stops38h 09m
$1,401
St. LouisColombo
STL Lambert-St Louis - CMB Colombo Bandaranaike Intl
STLCMB
Lambert-St Louis
Fri 1/15
1:06 pm-2:50 pm
2 stops38h 14m
Colombo Bandaranaike Intl
Wed 1/27
9:55 am-6:34 pm
2 stops44h 09m
$1,455
St. LouisColombo
STL Lambert-St Louis - CMB Colombo Bandaranaike Intl
STLCMB
Lambert-St Louis
Fri 1/1
10:01 am-8:15 pm
2 stops22h 44m
Colombo Bandaranaike Intl
Tue 1/5
4:00 am-6:34 pm
2 stops50h 04m
$1,465
St. LouisColombo
STL Lambert-St Louis - CMB Colombo Bandaranaike Intl
STLCMB
Lambert-St Louis
Mon 9/7
6:35 am-6:30 pm
3 stops49h 25m
Colombo Bandaranaike Intl
Mon 9/14
8:35 pm-2:21 pm
3 stops52h 16m
$1,784
Quickest round-trip
St. LouisColombo
STL Lambert-St Louis - CMB Colombo Bandaranaike Intl
STLCMB
Lambert-St Louis
Sun 9/27
3:11 pm-10:15 am
3 stops32h 34m
Colombo Bandaranaike Intl
Thu 10/1
10:05 pm-9:21 pm
2 stops33h 46m
$2,457
Cheapest one-way
St. LouisColombo
STL Lambert-St Louis - CMB Colombo Bandaranaike Intl
STLCMB
Lambert-St Louis
Wed 9/2
9:15 am-3:00 am
2 stops31h 15m
$619
Quickest one-way
St. LouisColombo
STL Lambert-St Louis - CMB Colombo Bandaranaike Intl
STLCMB
Lambert-St Louis
Tue 9/1
9:44 am-8:35 pm
2 stops24h 21m
$619
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 August 11, 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.
Entertainment
7.3
Boarding
7.5
Overall
7.4
Food
7.3
Crew
7.9
Comfort
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Entertainment
7.3
Boarding
7.5
Overall
7.4
Food
7.3
Crew
7.9
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 August 11, 2026.
Popular flight searches
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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 August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,166 | Average$1,489 | FlexibilityNo cancel fee | On-time68% |