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Cheap flights from St. Louis to Sri Lanka from $1,396

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 9/1. 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.
Qatar Airways Logo
6:00 am - 9:40 am
STL
-
CMB
41h 10m
2 stops
Qatar Airways Logo
8:20 pm - 11:59 pm
CMB
-
STL
38h 09m
2 stops
$1,396Qatar Airways
Tue, Sep 1 - Thu, Sep 10
Qatar Airways Logo
6:00 am - 3:05 am
STL
-
CMB
34h 35m
2 stops
Qatar Airways Logo
8:20 pm - 7:46 pm
CMB
-
STL
33h 56m
2 stops
$1,646Qatar Airways
Thu, Sep 10 - Mon, Sep 14
Qatar Airways Logo
5:13 pm - 9:00 am
STL
-
CMB
29h 17m
2 stops
Qatar Airways Logo
3:35 am - 10:53 pm
CMB
-
STL
29h 48m
2 stops
$1,788Qatar Airways
Sun, Jul 5 - Sun, Jul 12
Emirates Logo
3:13 pm - 10:15 am
STL
-
CMB
32h 32m
3 stops
Emirates Logo
10:05 pm - 2:00 pm
CMB
-
STL
26h 25m
2 stops
$1,851Emirates
Tue, Sep 1 - Thu, Sep 10
Multiple Airlines Logo
8:40 am - 12:45 pm
STL
-
CMB
41h 35m
2 stops
Multiple Airlines Logo
1:10 pm - 6:42 pm
CMB
-
STL
40h 02m
2 stops
$1,895Multiple Airlines
Mon, Jun 29 - Mon, Jul 6
Multiple Airlines Logo
6:00 am - 11:45 pm
STL
-
CMB
31h 15m
2 stops
Multiple Airlines Logo
1:05 am - 6:45 pm
CMB
-
STL
28h 10m
2 stops
$2,228Multiple Airlines
Wed, May 27 - Fri, May 29
Emirates Logo
9:15 am - 8:30 am
STL
-
CMB
36h 45m
2 stops
Emirates Logo
8:35 pm - 9:26 pm
CMB
-
STL
35h 21m
3 stops
$2,284Emirates
Sun, Jul 5 - Mon, Jul 13
Emirates Logo
3:13 pm - 6:30 pm
STL
-
CMB
40h 47m
3 stops
Emirates Logo
11:15 am - 9:36 pm
CMB
-
STL
44h 51m
3 stops
$2,289Emirates
Tue, Sep 1 - Thu, Sep 10
Emirates Logo
2:57 pm - 8:30 am
STL
-
CMB
31h 03m
2 stops
Emirates Logo
8:35 pm - 11:29 pm
CMB
-
STL
37h 24m
3 stops
$2,317Emirates
Mon, Jun 29 - Mon, Jul 6
Multiple Airlines Logo
9:35 pm - 9:00 am
STL
-
CMB
24h 55m
2 stops
Multiple Airlines Logo
1:10 pm - 7:30 pm
CMB
-
STL
40h 50m
1 stop
$2,504Multiple Airlines
Tue, Sep 1 - Thu, Sep 10

Emirates flights from St. Louis to Sri Lanka

Our best Emirates deals on St. Louis to Sri Lanka flight tickets
Emirates
Sep 1
STL3:13 pmLambert-St Louis
32h 32m
3 stops
CMB10:15 amColombo Bandaranaike Intl
Sep 10
CMB10:05 pmColombo Bandaranaike Intl
26h 25m
2 stops
STL2:00 pmLambert-St Louis
$1,851
Emirates
Jul 5
STL9:15 amLambert-St Louis
36h 45m
2 stops
CMB8:30 amColombo Bandaranaike Intl
Jul 13
CMB8:35 pmColombo Bandaranaike Intl
35h 21m
3 stops
STL9:26 pmLambert-St Louis
$2,284
Emirates
Sep 1
STL3:13 pmLambert-St Louis
40h 47m
3 stops
CMB6:30 pmColombo Bandaranaike Intl
Sep 10
CMB11:15 amColombo Bandaranaike Intl
44h 51m
3 stops
STL9:36 pmLambert-St Louis
$2,289

Qatar Airways flights from St. Louis to Sri Lanka

Our best Qatar Airways deals on St. Louis to Sri Lanka flight tickets
Qatar Airways
Sep 1
STL6:00 amLambert-St Louis
41h 10m
2 stops
CMB9:40 amColombo Bandaranaike Intl
Sep 10
CMB8:20 pmColombo Bandaranaike Intl
38h 09m
2 stops
STL11:59 pmLambert-St Louis
$1,396
Qatar Airways
Sep 10
STL6:00 amLambert-St Louis
34h 35m
2 stops
CMB3:05 amColombo Bandaranaike Intl
Sep 14
CMB8:20 pmColombo Bandaranaike Intl
33h 56m
2 stops
STL7:46 pmLambert-St Louis
$1,646
Qatar Airways
Jul 5
STL5:13 pmLambert-St Louis
29h 17m
2 stops
CMB9:00 amColombo Bandaranaike Intl
Jul 12
CMB3:35 amColombo Bandaranaike Intl
29h 48m
2 stops
STL10:53 pmLambert-St Louis
$1,788

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 May 16, 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 9/1

6:00 am-9:40 am

2 stops41h 10m

Colombo Bandaranaike Intl

Thu 9/10

8:20 pm-11:59 pm

2 stops38h 09m

$1,396

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 9/10

6:00 am-3:05 am

2 stops34h 35m

Colombo Bandaranaike Intl

Mon 9/14

8:20 pm-7:46 pm

2 stops33h 56m

$1,646

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sun 7/5

5:13 pm-9:00 am

2 stops29h 17m

Colombo Bandaranaike Intl

Sun 7/12

3:35 am-10:53 pm

2 stops29h 48m

$1,788
Quickest round-trip

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 9/1

3:13 pm-10:15 am

3 stops32h 32m

Colombo Bandaranaike Intl

Thu 9/10

10:05 pm-2:00 pm

2 stops26h 25m

$1,851

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Mon 6/29

8:40 am-12:45 pm

2 stops41h 35m

Colombo Bandaranaike Intl

Mon 7/6

1:10 pm-6:42 pm

2 stops40h 02m

$1,895

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Wed 5/27

6:00 am-11:45 pm

2 stops31h 15m

Colombo Bandaranaike Intl

Fri 5/29

1:05 am-6:45 pm

2 stops28h 10m

$2,228

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sun 7/5

9:15 am-8:30 am

2 stops36h 45m

Colombo Bandaranaike Intl

Mon 7/13

8:35 pm-9:26 pm

3 stops35h 21m

$2,284

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 9/1

3:13 pm-6:30 pm

3 stops40h 47m

Colombo Bandaranaike Intl

Thu 9/10

11:15 am-9:36 pm

3 stops44h 51m

$2,289

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Mon 6/29

2:57 pm-8:30 am

2 stops31h 03m

Colombo Bandaranaike Intl

Mon 7/6

8:35 pm-11:29 pm

3 stops37h 24m

$2,317

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 9/1

9:35 pm-9:00 am

2 stops24h 55m

Colombo Bandaranaike Intl

Thu 9/10

1:10 pm-7:30 pm

1 stop40h 50m

$2,504

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 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

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

27h 55m

Direct flights

None
The fastest flight from St. Louis to Sri Lanka takes 27h 55m
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 $1,393Free CancellationRating
7.4
3,725 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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