Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Sri Lanka from $1,429

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 4/9. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
7:00 am - 9:00 am
STL
-
CMB
39h 30m
2 stops
Qatar Airways Logo
12:30 pm - 12:48 pm
CMB
-
STL
34h 48m
2 stops
$1,429Qatar Airways
週四, 4月 9 - 週六, 4月 18
Qatar Airways Logo
7:00 am - 3:05 am
STL
-
CMB
33h 35m
2 stops
Qatar Airways Logo
12:30 pm - 12:48 pm
CMB
-
STL
34h 48m
2 stops
$1,469Qatar Airways
週五, 4月 10 - 週六, 4月 18
Multiple Airlines Logo
4:05 pm - 6:30 pm
STL
-
CMB
39h 55m
3 stops
Multiple Airlines Logo
6:30 pm - 1:25 pm
CMB
-
STL
29h 25m
2 stops
$1,799Multiple Airlines
週五, 4月 10 - 週六, 4月 18
Emirates Logo
3:23 pm - 6:25 pm
STL
-
CMB
40h 32m
3 stops
Emirates Logo
9:55 am - 9:07 pm
CMB
-
STL
45h 42m
2 stops
$2,220Emirates
週一, 3月 9 - 週一, 3月 16
Multiple Airlines Logo
3:30 pm - 6:45 am
STL
-
CMB
28h 45m
3 stops
Multiple Airlines Logo
5:15 pm - 1:25 pm
CMB
-
STL
30h 40m
3 stops
$2,246Multiple Airlines
週五, 4月 10 - 週六, 4月 18
Multiple Airlines Logo
4:05 pm - 5:05 am
STL
-
CMB
26h 30m
2 stops
Multiple Airlines Logo
1:30 pm - 1:25 pm
CMB
-
STL
34h 25m
3 stops
$2,290Multiple Airlines
週四, 4月 9 - 週六, 4月 18
Emirates Logo
3:23 pm - 10:00 pm
STL
-
CMB
44h 07m
2 stops
Emirates Logo
5:20 pm - 9:07 pm
CMB
-
STL
38h 17m
2 stops
$2,474Emirates
週一, 3月 9 - 週一, 3月 16
Cathay Pacific Logo
6:50 pm - 11:30 pm
STL
-
CMB
42h 10m
2 stops
Cathay Pacific Logo
1:05 am - 9:11 pm
CMB
-
STL
30h 36m
2 stops
$5,104Cathay Pacific
週一, 3月 16 - 週一, 3月 30
Qatar Airways Logo
7:00 am - 2:45 am
STL
-
CMB
33h 15m
2 stops
Qatar Airways Logo
8:20 pm - 11:59 pm
CMB
-
STL
38h 09m
2 stops
$6,261Qatar Airways
週四, 3月 12 - 週一, 3月 30
Air India Logo
6:51 am - 7:20 am
STL
-
CMB
37h 59m
3 stops
Air India Logo
4:00 pm - 4:43 pm
CMB
-
STL
35h 13m
2 stops
$7,292Air India
週一, 3月 16 - 週二, 3月 31

Qatar Airways flights from St. Louis to Sri Lanka

Our best Qatar Airways deals on St. Louis to Sri Lanka flight tickets
Qatar Airways
Apr 9
STL7:00 amLambert-St Louis
39h 30m
2 stops
CMB9:00 amColombo Bandaranaike Intl
Apr 18
CMB12:30 pmColombo Bandaranaike Intl
34h 48m
2 stops
STL12:48 pmLambert-St Louis
$1,429
Qatar Airways
Apr 10
STL7:00 amLambert-St Louis
33h 35m
2 stops
CMB3:05 amColombo Bandaranaike Intl
Apr 18
CMB12:30 pmColombo Bandaranaike Intl
34h 48m
2 stops
STL12:48 pmLambert-St Louis
$1,469
Qatar Airways
Mar 12
STL7:00 amLambert-St Louis
33h 15m
2 stops
CMB2:45 amColombo Bandaranaike Intl
Mar 30
CMB8:20 pmColombo Bandaranaike Intl
38h 09m
2 stops
STL11:59 pmLambert-St Louis
$6,261

Emirates flights from St. Louis to Sri Lanka

Our best Emirates deals on St. Louis to Sri Lanka flight tickets
Emirates
Mar 9
STL3:23 pmLambert-St Louis
40h 32m
3 stops
CMB6:25 pmColombo Bandaranaike Intl
Mar 16
CMB11:15 amColombo Bandaranaike Intl
44h 22m
3 stops
STL9:07 pmLambert-St Louis
$2,220
Emirates
Mar 9
STL3:23 pmLambert-St Louis
44h 07m
2 stops
CMB10:00 pmColombo Bandaranaike Intl
Mar 16
CMB5:20 pmColombo Bandaranaike Intl
38h 17m
2 stops
STL9:07 pmLambert-St Louis
$2,474
Emirates
Mar 12
STL3:23 pmLambert-St Louis
40h 32m
3 stops
CMB6:25 pmColombo Bandaranaike Intl
Mar 30
CMB8:35 pmColombo Bandaranaike Intl
36h 23m
3 stops
STL10:28 pmLambert-St Louis
$14,945

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 2月 11, 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

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週四 4/9

7:00 am-9:00 am

2 stops39h 30m

Colombo Bandaranaike Intl

週六 4/18

12:30 pm-12:48 pm

2 stops34h 48m

$1,429

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週五 4/10

7:00 am-3:05 am

2 stops33h 35m

Colombo Bandaranaike Intl

週六 4/18

12:30 pm-12:48 pm

2 stops34h 48m

$1,469

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週五 4/10

4:05 pm-6:30 pm

3 stops39h 55m

Colombo Bandaranaike Intl

週六 4/18

6:30 pm-1:25 pm

2 stops29h 25m

$1,799

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週一 3/9

3:23 pm-6:25 pm

3 stops40h 32m

Colombo Bandaranaike Intl

週一 3/16

9:55 am-9:07 pm

2 stops45h 42m

$2,220

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週五 4/10

3:30 pm-6:45 am

3 stops28h 45m

Colombo Bandaranaike Intl

週六 4/18

5:15 pm-1:25 pm

3 stops30h 40m

$2,246

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週四 4/9

4:05 pm-5:05 am

2 stops26h 30m

Colombo Bandaranaike Intl

週六 4/18

1:30 pm-1:25 pm

3 stops34h 25m

$2,290

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週一 3/9

3:23 pm-10:00 pm

2 stops44h 07m

Colombo Bandaranaike Intl

週一 3/16

5:20 pm-9:07 pm

2 stops38h 17m

$2,474

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週一 3/16

6:50 pm-11:30 pm

2 stops42h 10m

Colombo Bandaranaike Intl

週一 3/30

1:05 am-9:11 pm

2 stops30h 36m

$5,104

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週四 3/12

7:00 am-2:45 am

2 stops33h 15m

Colombo Bandaranaike Intl

週一 3/30

8:20 pm-11:59 pm

2 stops38h 09m

$6,261

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

週一 3/16

6:51 am-7:20 am

3 stops37h 59m

Colombo Bandaranaike Intl

週二 3/31

4:00 pm-4:43 pm

2 stops35h 13m

$7,292

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

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 38% 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

27h 20m

Direct flights

None
The fastest flight from St. Louis to Sri Lanka takes 27h 20m
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 $1,233Free CancellationRating
7.4
3,731 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
週五 3/13
週五 3/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Sri Lanka

Popular cities in Sri Lanka

Popular flights according to clicks in the last 7 days on momondo
Flights to Colombofrom $642
Flights to Bentota
Flights to Trincomalee