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Cheap flights from St. Louis to Sri Lanka from $836

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 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Sri Lanka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
6:02 am - 3:05 am
STL
-
CMB
34h 33m
2 stops
Qatar Airways Logo
4:35 am - 11:59 pm
CMB
-
STL
29h 54m
2 stops
$1,355Qatar Airways
Tue, Aug 18 - Fri, Sep 25
Qatar Airways Logo
6:29 am - 3:05 am
STL
-
CMB
34h 06m
2 stops
Qatar Airways Logo
4:35 am - 11:59 pm
CMB
-
STL
29h 54m
2 stops
$1,429Qatar Airways
Mon, Sep 21 - Fri, Sep 25
Multiple Airlines Logo
7:56 pm - 6:30 pm
STL
-
CMB
60h 04m
3 stops
Multiple Airlines Logo
2:55 am - 11:59 pm
CMB
-
STL
31h 34m
2 stops
$1,784Multiple Airlines
Tue, Aug 18 - Thu, Sep 24
Emirates Logo
11:15 am - 10:15 am
STL
-
CMB
36h 30m
3 stops
Emirates Logo
2:55 am - 11:59 pm
CMB
-
STL
31h 34m
2 stops
$1,879Emirates
Tue, Aug 18 - Thu, Sep 24
Emirates Logo
11:15 am - 10:15 am
STL
-
CMB
36h 30m
3 stops
Emirates Logo
8:35 pm - 2:21 pm
CMB
-
STL
52h 16m
3 stops
$1,891Emirates
Tue, Aug 18 - Fri, Sep 25
Multiple Airlines Logo
12:10 pm - 4:30 am
STL
-
CMB
29h 50m
3 stops
Multiple Airlines Logo
9:50 pm - 2:00 pm
CMB
-
STL
26h 40m
3 stops
$1,925Multiple Airlines
Tue, Aug 18 - Fri, Sep 25
Multiple Airlines Logo
2:40 pm - 5:05 am
STL
-
CMB
27h 55m
2 stops
Multiple Airlines Logo
3:25 am - 2:00 pm
CMB
-
STL
45h 05m
3 stops
$1,939Multiple Airlines
Tue, Aug 18 - Thu, Sep 24
Air Canada Logo
12:10 pm - 5:05 am
STL
-
CMB
30h 25m
2 stops
Air Canada Logo
3:25 am - 8:20 pm
CMB
-
STL
51h 25m
3 stops
$1,944Air Canada
Tue, Aug 18 - Thu, Sep 24
Multiple Airlines Logo
12:10 pm - 4:30 am
STL
-
CMB
29h 50m
3 stops
Multiple Airlines Logo
8:20 pm - 2:00 pm
CMB
-
STL
28h 10m
3 stops
$1,945Multiple Airlines
Tue, Aug 18 - Fri, Sep 25
Qatar Airways Logo
6:45 am - 4:50 pm
STL
-
CMB
47h 35m
2 stops
Qatar Airways Logo
11:25 am - 4:17 pm
CMB
-
STL
39h 22m
2 stops
$1,951Qatar Airways
Sat, Jul 11 - Fri, Jul 31

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Qatar Airways flights from St. Louis to Sri Lanka

Our best Qatar Airways deals on St. Louis to Sri Lanka flight tickets
Qatar Airways
Aug 18
STL6:02 amLambert-St Louis
34h 33m
2 stops
CMB3:05 amColombo Bandaranaike Intl
Sep 25
CMB4:35 amColombo Bandaranaike Intl
29h 54m
2 stops
STL11:59 pmLambert-St Louis
$1,355
Qatar Airways
Sep 21
STL6:29 amLambert-St Louis
34h 06m
2 stops
CMB3:05 amColombo Bandaranaike Intl
Sep 25
CMB4:35 amColombo Bandaranaike Intl
29h 54m
2 stops
STL11:59 pmLambert-St Louis
$1,429
Qatar Airways
Jul 11
STL6:45 amLambert-St Louis
47h 35m
2 stops
CMB4:50 pmColombo Bandaranaike Intl
Jul 31
CMB11:25 amColombo Bandaranaike Intl
39h 22m
2 stops
STL4:17 pmLambert-St Louis
$1,951

Emirates flights from St. Louis to Sri Lanka

Our best Emirates deals on St. Louis to Sri Lanka flight tickets
Emirates
Aug 18
STL11:15 amLambert-St Louis
36h 30m
3 stops
CMB10:15 amColombo Bandaranaike Intl
Sep 24
CMB2:55 amColombo Bandaranaike Intl
31h 34m
2 stops
STL11:59 pmLambert-St Louis
$1,879
Emirates
Aug 18
STL11:15 amLambert-St Louis
36h 30m
3 stops
CMB10:15 amColombo Bandaranaike Intl
Sep 25
CMB8:35 pmColombo Bandaranaike Intl
52h 16m
3 stops
STL2:21 pmLambert-St Louis
$1,891
Emirates
Sep 21
STL3:13 pmLambert-St Louis
32h 32m
3 stops
CMB10:15 amColombo Bandaranaike Intl
Sep 25
CMB10:05 pmColombo Bandaranaike Intl
33h 46m
2 stops
STL9:21 pmLambert-St Louis
$2,251

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 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

Price

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

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

11:15 am-10:15 am

3 stops36h 30m

Colombo Bandaranaike Intl

Fri 9/25

8:35 pm-2:21 pm

3 stops52h 16m

$1,891
Quickest round-trip

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 8/18

12:10 pm-4:30 am

3 stops29h 50m

Colombo Bandaranaike Intl

Fri 9/25

9:50 pm-2:00 pm

3 stops26h 40m

$1,925

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 8/18

2:40 pm-5:05 am

2 stops27h 55m

Colombo Bandaranaike Intl

Thu 9/24

3:25 am-2:00 pm

3 stops45h 05m

$1,939

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

Tue 8/18

12:10 pm-4:30 am

3 stops29h 50m

Colombo Bandaranaike Intl

Fri 9/25

8:20 pm-2:00 pm

3 stops28h 10m

$1,945

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Lambert-St Louis to Sri Lanka?

Etihad Airways and American Airlines are the most popular carriers operating from Lambert-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

Fastest flight time

34h 33m

Direct flights

None
The fastest flight from St. Louis to Sri Lanka takes 34h 33m
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

Frequently asked questions about flying from St. Louis to Sri Lanka

  • 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 $1,147Free CancellationRating
7.3
3,736 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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