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Cheap flights from St. Louis to Sri Lanka from $1,217

This is the cheapest round-trip 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 2/10. 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

Enter your travel dates to find the best prices.
Etihad Airways Logo
8:31 am - 2:50 am
STL
-
CMB
30h 49m2 stops
Etihad Airways Logo
9:50 am - 6:11 pm
CMB
-
STL
43h 51m2 stops
$1,217Etihad Airways
Tue, Feb 10 - Tue, Mar 3
Etihad Airways Logo
6:46 pm - 8:15 pm
STL
-
CMB
37h 59m2 stops
Etihad Airways Logo
4:30 pm - 1:54 pm
CMB
-
STL
32h 54m2 stops
$1,223Etihad Airways
Tue, Feb 10 - Tue, Mar 3
Qatar Airways Logo
7:00 am - 3:05 am
STL
-
CMB
33h 35m2 stops
Qatar Airways Logo
7:45 pm - 8:03 pm
CMB
-
STL
34h 48m2 stops
$1,480Qatar Airways
Sat, Apr 25 - Wed, Apr 29
Multiple Airlines Logo
4:05 pm - 6:25 pm
STL
-
CMB
38h 50m3 stops
Multiple Airlines Logo
9:55 am - 3:29 pm
CMB
-
STL
41h 04m2 stops
$1,558Multiple Airlines
Tue, Feb 10 - Tue, Mar 3
Emirates Logo
3:11 pm - 8:20 am
STL
-
CMB
29h 39m2 stops
Emirates Logo
8:15 pm - 10:14 pm
CMB
-
STL
37h 29m3 stops
$1,699Emirates
Tue, Feb 10 - Tue, Mar 3
Air Canada Logo
4:05 pm - 4:45 am
STL
-
CMB
26h 10m3 stops
Air Canada Logo
10:05 am - 3:24 pm
CMB
-
STL
39h 49m2 stops
$2,146Air Canada
Sat, Apr 25 - Wed, Apr 29
Emirates Logo
3:11 pm - 10:15 am
STL
-
CMB
31h 34m3 stops
Emirates Logo
8:15 pm - 10:14 pm
CMB
-
STL
37h 29m3 stops
$2,316Emirates
Tue, Feb 10 - Tue, Mar 3
Emirates Logo
3:11 pm - 10:15 am
STL
-
CMB
31h 34m3 stops
Emirates Logo
8:15 pm - 10:14 pm
CMB
-
STL
37h 29m3 stops
$2,366Emirates
Tue, Feb 10 - Tue, Mar 3
Emirates Logo
3:15 pm - 10:15 am
STL
-
CMB
32h 30m3 stops
Emirates Logo
8:35 pm - 9:04 pm
CMB
-
STL
34h 59m3 stops
$4,289Emirates
Sat, Apr 25 - Wed, Apr 29
Emirates Logo
3:15 pm - 10:15 am
STL
-
CMB
32h 30m3 stops
Emirates Logo
8:35 pm - 9:04 pm
CMB
-
STL
34h 59m3 stops
$4,906Emirates
Sat, Apr 25 - Wed, Apr 29

Etihad Airways flights from St. Louis to Sri Lanka

Our best Etihad Airways deals on St. Louis to Sri Lanka flight tickets
Etihad Airways
Feb 10
STL8:31 amLambert-St Louis
30h 49m
2 stops
CMB2:50 amColombo Bandaranaike Intl
Mar 3
CMB9:50 amColombo Bandaranaike Intl
43h 51m
2 stops
STL6:11 pmLambert-St Louis
$1,217
Find similar
Etihad Airways
Feb 10
STL6:46 pmLambert-St Louis
37h 59m
2 stops
CMB8:15 pmColombo Bandaranaike Intl
Mar 3
CMB4:30 pmColombo Bandaranaike Intl
32h 54m
2 stops
STL1:54 pmLambert-St Louis
$1,223
Find similar

Emirates flights from St. Louis to Sri Lanka

Our best Emirates deals on St. Louis to Sri Lanka flight tickets
Emirates
Feb 10
STL3:11 pmLambert-St Louis
29h 39m
2 stops
CMB8:20 amColombo Bandaranaike Intl
Mar 3
CMB8:15 pmColombo Bandaranaike Intl
37h 29m
3 stops
STL10:14 pmLambert-St Louis
$1,699
Find similar
Emirates
Feb 10
STL3:11 pmLambert-St Louis
31h 34m
3 stops
CMB10:15 amColombo Bandaranaike Intl
Mar 3
CMB8:15 pmColombo Bandaranaike Intl
37h 29m
3 stops
STL10:14 pmLambert-St Louis
$2,316
Find similar
Emirates
Feb 10
STL3:11 pmLambert-St Louis
31h 34m
3 stops
CMB10:15 amColombo Bandaranaike Intl
Mar 3
CMB8:15 pmColombo Bandaranaike Intl
37h 29m
3 stops
STL10:14 pmLambert-St Louis
$2,366
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 December 23, 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

Tue 2/10

8:31 am-2:50 am

2 stops30h 49m

Colombo Bandaranaike Intl

Tue 3/3

9:50 am-6:11 pm

2 stops43h 51m

$1,217

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

6:46 pm-8:15 pm

2 stops37h 59m

Colombo Bandaranaike Intl

Tue 3/3

4:30 pm-1:54 pm

2 stops32h 54m

$1,223

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 4/25

7:00 am-3:05 am

2 stops33h 35m

Colombo Bandaranaike Intl

Wed 4/29

7:45 pm-8:03 pm

2 stops34h 48m

$1,480

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

4:05 pm-6:25 pm

3 stops38h 50m

Colombo Bandaranaike Intl

Tue 3/3

9:55 am-3:29 pm

2 stops41h 04m

$1,558

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

3:11 pm-8:20 am

2 stops29h 39m

Colombo Bandaranaike Intl

Tue 3/3

8:15 pm-10:14 pm

3 stops37h 29m

$1,699

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 4/25

4:05 pm-4:45 am

3 stops26h 10m

Colombo Bandaranaike Intl

Wed 4/29

10:05 am-3:24 pm

2 stops39h 49m

$2,146

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

3:11 pm-10:15 am

3 stops31h 34m

Colombo Bandaranaike Intl

Tue 3/3

8:15 pm-10:14 pm

3 stops37h 29m

$2,316

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

3:11 pm-10:15 am

3 stops31h 34m

Colombo Bandaranaike Intl

Tue 3/3

8:15 pm-10:14 pm

3 stops37h 29m

$2,366

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 4/25

3:15 pm-10:15 am

3 stops32h 30m

Colombo Bandaranaike Intl

Wed 4/29

8:35 pm-9:04 pm

3 stops34h 59m

$4,289

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 4/25

3:15 pm-10:15 am

3 stops32h 30m

Colombo Bandaranaike Intl

Wed 4/29

8:35 pm-9:04 pm

3 stops34h 59m

$4,906

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 is only 1 cabin class 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?

You could potentially save up to 5% on your flight if you consider stops on a St. Louis to Sri Lanka flight.

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

Fastest flight time

30h 49m

Direct flights

None
The fastest flight from St. Louis to Sri Lanka takes 30h 49m
There are no direct flights from St. Louis to Sri Lanka. There are no popular flight routes from St. Louis to Sri Lanka.
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
Qatar AirwaysPriceFrom $1,171Free CancellationRating
7.4
3,686 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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