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Cheap flights from St. Louis to Sri Lanka from $1,364

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

Qatar Airways Logo
1:48 pm - 2:45 amSTL-CMB
25h 27m2 stops
Qatar Airways Logo
7:30 pm - 11:56 pmCMB-STL
39h 56m2 stops
$1,364Qatar Airways
Find Deal
Tue, Feb 10 - Tue, Mar 3
Qatar Airways Logo
5:54 pm - 8:45 amSTL-CMB
27h 21m2 stops
Qatar Airways Logo
7:30 pm - 8:18 pmCMB-STL
36h 18m2 stops
$1,394Qatar Airways
Find Deal
Tue, Feb 10 - Tue, Mar 3
Qatar Airways Logo
7:00 am - 1:55 amSTL-CMB
31h 25m2 stops
Qatar Airways Logo
4:15 am - 11:56 pmCMB-STL
30h 11m2 stops
$1,410Qatar Airways
Find Deal
Thu, Mar 5 - Mon, Mar 9
Qatar Airways Logo
11:58 am - 1:55 amSTL-CMB
26h 27m2 stops
Qatar Airways Logo
4:15 am - 11:56 pmCMB-STL
31h 11m2 stops
$1,415Qatar Airways
Find Deal
Tue, Feb 10 - Mon, Mar 2
Cathay Pacific Logo
6:00 am - 11:30 pmSTL-CMB
30h 00m2 stops
Cathay Pacific Logo
12:45 am - 5:56 pmCMB-STL
28h 41m2 stops
$1,508Cathay Pacific
Find Deal
Tue, Feb 10 - Mon, Mar 2
Cathay Pacific Logo
5:49 pm - 11:30 pmSTL-CMB
42h 11m2 stops
Cathay Pacific Logo
12:45 am - 10:24 pmCMB-STL
32h 09m2 stops
$1,538Cathay Pacific
Find Deal
Thu, Mar 5 - Sun, Mar 8
Multiple Airlines Logo
4:05 pm - 6:25 pmSTL-CMB
38h 50m3 stops
Multiple Airlines Logo
9:55 am - 3:29 pmCMB-STL
41h 04m2 stops
$1,558Multiple Airlines
Find Deal
Tue, Feb 10 - Tue, Mar 3
Multiple Airlines Logo
4:05 pm - 6:25 pmSTL-CMB
39h 50m3 stops
Multiple Airlines Logo
9:55 am - 3:29 pmCMB-STL
41h 04m2 stops
$1,567Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Emirates Logo
3:10 pm - 10:15 amSTL-CMB
31h 35m3 stops
Emirates Logo
8:15 pm - 10:00 pmCMB-STL
37h 15m3 stops
$2,331Emirates
Find Deal
Thu, Jan 1 - Thu, Jan 22
Emirates Logo
3:15 pm - 10:15 amSTL-CMB
31h 30m3 stops
Emirates Logo
1:45 am - 10:06 pmCMB-STL
30h 51m2 stops
$2,415Emirates
Find Deal
Thu, Mar 5 - Sun, Mar 8

Emirates flights from St. Louis to Sri Lanka

Our best Emirates deals on St. Louis to Sri Lanka flight tickets
Emirates
Jan 1
STL3:10 pmLambert-St Louis
31h 35m
3 stops
CMB10:15 amColombo Bandaranaike Intl
Jan 22
CMB8:15 pmColombo Bandaranaike Intl
37h 15m
3 stops
STL10:00 pmLambert-St Louis
$2,331
Find similar
Emirates
Mar 5
STL3:15 pmLambert-St Louis
31h 30m
3 stops
CMB10:15 amColombo Bandaranaike Intl
Mar 8
CMB1:45 amColombo Bandaranaike Intl
30h 51m
2 stops
STL10:06 pmLambert-St Louis
$2,415
Find similar
Emirates
Feb 10
STL3:11 pmLambert-St Louis
31h 34m
3 stops
CMB10:15 amColombo Bandaranaike Intl
Mar 2
CMB2:40 amColombo Bandaranaike Intl
31h 04m
2 stops
STL10:14 pmLambert-St Louis
$2,713
Find similar

Qatar Airways flights from St. Louis to Sri Lanka

Our best Qatar Airways deals on St. Louis to Sri Lanka flight tickets
Qatar Airways
Feb 10
STL1:48 pmLambert-St Louis
25h 27m
2 stops
CMB2:45 amColombo Bandaranaike Intl
Mar 3
CMB7:30 pmColombo Bandaranaike Intl
39h 56m
2 stops
STL11:56 pmLambert-St Louis
$1,364
Find similar
Qatar Airways
Feb 10
STL5:54 pmLambert-St Louis
27h 21m
2 stops
CMB8:45 amColombo Bandaranaike Intl
Mar 3
CMB7:30 pmColombo Bandaranaike Intl
36h 18m
2 stops
STL8:18 pmLambert-St Louis
$1,394
Find similar
Qatar Airways
Mar 5
STL7:00 amLambert-St Louis
31h 25m
2 stops
CMB1:55 amColombo Bandaranaike Intl
Mar 9
CMB4:15 amColombo Bandaranaike Intl
30h 11m
2 stops
STL11:56 pmLambert-St Louis
$1,410
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 September 17, 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

1:48 pm-2:45 am

2 stops25h 27m

Colombo Bandaranaike Intl

Tue 3/3

7:30 pm-11:56 pm

2 stops39h 56m

$1,364

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

5:54 pm-8:45 am

2 stops27h 21m

Colombo Bandaranaike Intl

Tue 3/3

7:30 pm-8:18 pm

2 stops36h 18m

$1,394

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 3/5

7:00 am-1:55 am

2 stops31h 25m

Colombo Bandaranaike Intl

Mon 3/9

4:15 am-11:56 pm

2 stops30h 11m

$1,410

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

11:58 am-1:55 am

2 stops26h 27m

Colombo Bandaranaike Intl

Mon 3/2

4:15 am-11:56 pm

2 stops31h 11m

$1,415

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

6:00 am-11:30 pm

2 stops30h 00m

Colombo Bandaranaike Intl

Mon 3/2

12:45 am-5:56 pm

2 stops28h 41m

$1,508

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 3/5

5:49 pm-11:30 pm

2 stops42h 11m

Colombo Bandaranaike Intl

Sun 3/8

12:45 am-10:24 pm

2 stops32h 09m

$1,538

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

Sat 11/1

4:05 pm-6:25 pm

3 stops39h 50m

Colombo Bandaranaike Intl

Sat 11/8

9:55 am-3:29 pm

2 stops41h 04m

$1,567

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 1/1

3:10 pm-10:15 am

3 stops31h 35m

Colombo Bandaranaike Intl

Thu 1/22

8:15 pm-10:00 pm

3 stops37h 15m

$2,331

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 3/5

3:15 pm-10:15 am

3 stops31h 30m

Colombo Bandaranaike Intl

Sun 3/8

1:45 am-10:06 pm

2 stops30h 51m

$2,415

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 month to fly to Sri Lanka?

The month of October is, on average, the cheapest month to fly to Sri Lanka from St. Louis, with most prices found around $1,118. If you aren’t able to travel to Sri Lanka during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,171.

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?

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

Direct flights

None
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
3,622 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.

An easier way to manage your Sri Lanka trip

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