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Cheap flights from St. Louis to Sri Lanka from $554

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Sri Lanka departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Sri Lanka

Cheap round-trip flights

Qatar Airways Logo
7:00 am - 1:55 amSTL-CMB
31h 25m2 stops
Qatar Airways Logo
7:30 pm - 11:56 pmCMB-STL
39h 56m2 stops
$1,523Qatar Airways
Find Deal
Thu, Nov 20 - Mon, Dec 1
Logo
4:05 pm - 5:40 amSTL-CMB
26h 05m2 stops
Logo
6:40 pm - 3:29 pmCMB-STL
32h 19m2 stops
$1,542
Find Deal
Thu, Jan 1 - Wed, Jan 14
Logo
4:05 pm - 5:40 amSTL-CMB
26h 05m2 stops
Logo
2:45 am - 3:29 pmCMB-STL
48h 14m2 stops
$1,557
Find Deal
Thu, Jan 1 - Tue, Jan 13
Logo
4:05 pm - 6:25 pmSTL-CMB
38h 50m3 stops
Logo
9:55 am - 3:29 pmCMB-STL
41h 04m2 stops
$1,558
Find Deal
Thu, Nov 20 - Mon, Dec 1
Qatar Airways Logo
7:00 am - 1:55 amSTL-CMB
31h 25m2 stops
Qatar Airways Logo
3:25 am - 5:37 pmCMB-STL
49h 42m2 stops
$1,577Qatar Airways
Find Deal
Thu, Nov 20 - Sun, Nov 30
Logo
4:00 pm - 4:55 amSTL-CMB
26h 25m2 stops
Logo
12:40 am - 7:45 pmCMB-STL
53h 35m2 stops
$1,661
Find Deal
Sun, Aug 24 - Sat, Aug 30
Qatar Airways Logo
6:00 am - 2:05 amSTL-CMB
33h 35m2 stops
Qatar Airways Logo
8:20 pm - 4:43 pmCMB-STL
30h 53m2 stops
$1,789Qatar Airways
Find Deal
Sun, Aug 24 - Sun, Aug 31
Logo
4:05 pm - 3:00 pmSTL-CMB
35h 25m3 stops
Logo
9:35 pm - 4:35 pmCMB-STL
30h 30m3 stops
$1,973
Find Deal
Thu, Nov 20 - Mon, Dec 1
Logo
2:30 pm - 9:00 amSTL-CMB
32h 00m3 stops
Logo
4:30 pm - 4:35 pmCMB-STL
34h 35m3 stops
$2,168
Find Deal
Sun, Aug 24 - Sun, Aug 31
Logo
9:15 am - 6:30 pmSTL-CMB
46h 45m3 stops
Logo
12:05 am - 8:00 pmCMB-STL
30h 25m2 stops
$2,220
Find Deal
Sun, Aug 24 - Sat, Aug 30

Qatar Airways flights from St. Louis to Sri Lanka

Our best Qatar Airways deals on St. Louis to Sri Lanka flight tickets
Qatar Airways
Nov 20
STL7:00 amLambert-St Louis
31h 25m
2 stops
CMB1:55 amColombo Bandaranaike Intl
Dec 1
CMB7:30 pmColombo Bandaranaike Intl
39h 56m
2 stops
STL11:56 pmLambert-St Louis
$1,523
Find similar
Qatar Airways
Nov 20
STL7:00 amLambert-St Louis
31h 25m
2 stops
CMB1:55 amColombo Bandaranaike Intl
Nov 30
CMB3:25 amColombo Bandaranaike Intl
49h 42m
2 stops
STL5:37 pmLambert-St Louis
$1,577
Find similar
Qatar Airways
Aug 24
STL6:00 amLambert-St Louis
33h 35m
2 stops
CMB2:05 amColombo Bandaranaike Intl
Aug 31
CMB8:20 pmColombo Bandaranaike Intl
30h 53m
2 stops
STL4:43 pmLambert-St Louis
$1,789
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 2, 2025.
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

Price

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 11/20

7:00 am-1:55 am

2 stops31h 25m

Colombo Bandaranaike Intl

Mon 12/1

7:30 pm-11:56 pm

2 stops39h 56m

$1,523

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 1/1

4:05 pm-5:40 am

2 stops26h 05m

Colombo Bandaranaike Intl

Wed 1/14

6:40 pm-3:29 pm

2 stops32h 19m

$1,542

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 1/1

4:05 pm-5:40 am

2 stops26h 05m

Colombo Bandaranaike Intl

Tue 1/13

2:45 am-3:29 pm

2 stops48h 14m

$1,557

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 11/20

4:05 pm-6:25 pm

3 stops38h 50m

Colombo Bandaranaike Intl

Mon 12/1

9:55 am-3:29 pm

2 stops41h 04m

$1,558

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 11/20

7:00 am-1:55 am

2 stops31h 25m

Colombo Bandaranaike Intl

Sun 11/30

3:25 am-5:37 pm

2 stops49h 42m

$1,577

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sun 8/24

4:00 pm-4:55 am

2 stops26h 25m

Colombo Bandaranaike Intl

Sat 8/30

12:40 am-7:45 pm

2 stops53h 35m

$1,661

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sun 8/24

6:00 am-2:05 am

2 stops33h 35m

Colombo Bandaranaike Intl

Sun 8/31

8:20 pm-4:43 pm

2 stops30h 53m

$1,789

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 11/20

4:05 pm-3:00 pm

3 stops35h 25m

Colombo Bandaranaike Intl

Mon 12/1

9:35 pm-4:35 pm

3 stops30h 30m

$1,973

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sun 8/24

2:30 pm-9:00 am

3 stops32h 00m

Colombo Bandaranaike Intl

Sun 8/31

4:30 pm-4:35 pm

3 stops34h 35m

$2,168

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sun 8/24

9:15 am-6:30 pm

3 stops46h 45m

Colombo Bandaranaike Intl

Sat 8/30

12:05 am-8:00 pm

2 stops30h 25m

$2,220

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Sri Lanka from

How to get the cheapest flight ticket from St. Louis to Sri Lanka

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sri Lanka?

Our data shows that Thursday is the least expensive day to fly to Sri Lanka. Tickets to fly out on this day can be as low as $1,221. Flights from St. Louis to Sri Lanka on a Saturday will generally be more expensive and average around $1,578. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sri Lanka?

In the morning is the cheapest time of day to fly from St. Louis to Sri Lanka when you can find flight prices for as low as $1,409. Flying to Sri Lanka in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Sri Lanka, so prices are often more expensive at around $1,495 per ticket.

What is the cheapest Lambert-St Louis to Sri Lanka flight route?

Fly from Lambert-St Louis to Colombo Bandaranaike Intl for the best Lambert-St Louis - Sri Lanka flight prices

What cabin class options are available on Lambert-St Louis to Sri Lanka flights?

There are 1 cabin classes available to choose from on Lambert-St Louis to Sri Lanka flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Sri Lanka flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Sri Lanka.

Cheap St. Louis to Sri Lanka flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Sri Lanka

Best Price Found

$554

Fastest flight time

24h 50m

Direct flights

None

Airports in Sri Lanka

1 airport
The best one-way flight to Sri Lanka from St. Louis in the past 72 hours is $554. The best round-trip flight deal from St. Louis to Sri Lanka found on momondo in the last 72 hours is $1,523.
The fastest flight from St. Louis to Sri Lanka takes 24h 50m
There are no direct flights from St. Louis to Sri Lanka. Popular non-direct route for this connection is Lambert-St Louis Airport - Colombo Bandaranaike Intl Airport.
There is 1 airport near Sri Lanka: Colombo Bandaranaike Intl (CMB)
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Sri Lanka?

    Prices for flights from Lambert-St Louis Airport to Sri Lanka were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Sri Lanka?

  • How old do you have to be to fly from Lambert-St Louis Airport to Sri Lanka?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Sri Lanka.

  • What documentation or ID do you need to fly to Sri Lanka?

    The travel and health documents you'll need for your trip to Sri Lanka may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sri Lanka. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Sri Lanka

Compare and see reviews for airlines that fly from St. Louis to Sri Lanka with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $946Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qatar AirwaysPriceFrom $1,156Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Sri Lanka?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Sri Lanka for you.

Can I find flights from St. Louis to Sri Lanka with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sri Lanka from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Sri Lanka?

Once you have performed a search for St. Louis to Sri Lanka flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Sri Lanka right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sri Lanka from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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