Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Sri Lanka from $550

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 4/7. 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

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.
Etihad Airways Logo
7:00 am - 8:35 pm
STL
-
CMB
27h 05m
2 stops
Etihad Airways Logo
4:10 am - 11:13 am
CMB
-
STL
41h 33m
2 stops
$1,116Etihad Airways
Fri, Apr 24 - Fri, May 1
Etihad Airways Logo
7:31 am - 8:35 pm
STL
-
CMB
26h 34m
2 stops
Etihad Airways Logo
4:10 am - 8:29 pm
CMB
-
STL
26h 49m
2 stops
$1,223Etihad Airways
Mon, Jul 6 - Fri, Jul 17
Multiple Airlines Logo
7:00 am - 1:45 am
STL
-
CMB
32h 15m
2 stops
Multiple Airlines Logo
3:15 am - 11:54 pm
CMB
-
STL
31h 09m
2 stops
$1,295Multiple Airlines
Tue, May 12 - Mon, May 18
Multiple Airlines Logo
1:05 pm - 5:20 am
STL
-
CMB
29h 45m
2 stops
Multiple Airlines Logo
8:25 am - 9:13 pm
CMB
-
STL
47h 18m
2 stops
$1,507Multiple Airlines
Sun, May 10 - Sun, May 17
Multiple Airlines Logo
9:24 am - 8:35 pm
STL
-
CMB
24h 41m
2 stops
Multiple Airlines Logo
4:10 am - 11:56 pm
CMB
-
STL
30h 16m
2 stops
$1,515Multiple Airlines
Fri, Jun 26 - Thu, Jul 16
Qatar Airways Logo
6:41 am - 2:05 am
STL
-
CMB
32h 54m
2 stops
Qatar Airways Logo
8:20 pm - 11:59 pm
CMB
-
STL
38h 09m
2 stops
$1,524Qatar Airways
Mon, Sep 7 - Thu, Sep 10
Qatar Airways Logo
1:30 pm - 2:05 am
STL
-
CMB
26h 05m
2 stops
Qatar Airways Logo
4:35 am - 8:03 pm
CMB
-
STL
25h 58m
2 stops
$1,545Qatar Airways
Mon, Sep 7 - Wed, Sep 9
Cathay Pacific Logo
6:36 am - 11:30 pm
STL
-
CMB
54h 24m
2 stops
Cathay Pacific Logo
12:50 am - 7:24 pm
CMB
-
STL
29h 04m
2 stops
$1,753Cathay Pacific
Wed, Jul 8 - Thu, Jul 16
Multiple Airlines Logo
7:00 am - 8:30 am
STL
-
CMB
39h 00m
2 stops
Multiple Airlines Logo
8:35 pm - 11:59 pm
CMB
-
STL
37h 54m
3 stops
$1,770Multiple Airlines
Fri, Apr 24 - Fri, May 1
Cathay Pacific Logo
6:36 am - 11:30 pm
STL
-
CMB
54h 24m
2 stops
Cathay Pacific Logo
12:50 am - 7:24 pm
CMB
-
STL
29h 04m
2 stops
$1,803Cathay Pacific
Sat, Jul 4 - Thu, Jul 16

Etihad Airways flights from St. Louis to Sri Lanka

Our best Etihad Airways deals on St. Louis to Sri Lanka flight tickets
Etihad Airways
Apr 24
STL7:00 amLambert-St Louis
27h 05m
2 stops
CMB8:35 pmColombo Bandaranaike Intl
May 1
CMB4:10 amColombo Bandaranaike Intl
41h 33m
2 stops
STL11:13 amLambert-St Louis
$1,116
Etihad Airways
Jul 6
STL7:31 amLambert-St Louis
26h 34m
2 stops
CMB8:35 pmColombo Bandaranaike Intl
Jul 17
CMB4:10 amColombo Bandaranaike Intl
26h 49m
2 stops
STL8:29 pmLambert-St Louis
$1,223

Emirates flights from St. Louis to Sri Lanka

Our best Emirates deals on St. Louis to Sri Lanka flight tickets
Emirates
Jul 6
STL2:57 pmLambert-St Louis
41h 03m
3 stops
CMB6:30 pmColombo Bandaranaike Intl
Jul 16
CMB2:05 amColombo Bandaranaike Intl
29h 51m
2 stops
STL9:26 pmLambert-St Louis
$2,171
Emirates
Jun 26
STL2:57 pmLambert-St Louis
41h 03m
3 stops
CMB6:30 pmColombo Bandaranaike Intl
Jul 16
CMB11:15 amColombo Bandaranaike Intl
44h 41m
3 stops
STL9:26 pmLambert-St Louis
$2,221
Emirates
Jul 6
STL2:57 pmLambert-St Louis
41h 03m
3 stops
CMB6:30 pmColombo Bandaranaike Intl
Jul 17
CMB11:15 amColombo Bandaranaike Intl
46h 00m
3 stops
STL10:45 pmLambert-St Louis
$2,453

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 March 30, 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

Fri 4/24

7:00 am-8:35 pm

2 stops27h 05m

Colombo Bandaranaike Intl

Fri 5/1

4:10 am-11:13 am

2 stops41h 33m

$1,116

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Mon 7/6

7:31 am-8:35 pm

2 stops26h 34m

Colombo Bandaranaike Intl

Fri 7/17

4:10 am-8:29 pm

2 stops26h 49m

$1,223

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 5/12

7:00 am-1:45 am

2 stops32h 15m

Colombo Bandaranaike Intl

Mon 5/18

3:15 am-11:54 pm

2 stops31h 09m

$1,295

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sun 5/10

1:05 pm-5:20 am

2 stops29h 45m

Colombo Bandaranaike Intl

Sun 5/17

8:25 am-9:13 pm

2 stops47h 18m

$1,507

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Fri 6/26

9:24 am-8:35 pm

2 stops24h 41m

Colombo Bandaranaike Intl

Thu 7/16

4:10 am-11:56 pm

2 stops30h 16m

$1,515

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Mon 9/7

6:41 am-2:05 am

2 stops32h 54m

Colombo Bandaranaike Intl

Thu 9/10

8:20 pm-11:59 pm

2 stops38h 09m

$1,524
Quickest round-trip

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Mon 9/7

1:30 pm-2:05 am

2 stops26h 05m

Colombo Bandaranaike Intl

Wed 9/9

4:35 am-8:03 pm

2 stops25h 58m

$1,545

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Wed 7/8

6:36 am-11:30 pm

2 stops54h 24m

Colombo Bandaranaike Intl

Thu 7/16

12:50 am-7:24 pm

2 stops29h 04m

$1,753

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Fri 4/24

7:00 am-8:30 am

2 stops39h 00m

Colombo Bandaranaike Intl

Fri 5/1

8:35 pm-11:59 pm

3 stops37h 54m

$1,770

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 7/4

6:36 am-11:30 pm

2 stops54h 24m

Colombo Bandaranaike Intl

Thu 7/16

12:50 am-7:24 pm

2 stops29h 04m

$1,803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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?

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

Fastest flight time

32h 54m

Direct flights

None
The fastest flight from St. Louis to Sri Lanka takes 32h 54m
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
3,730 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
Wed 4/29
Wed 5/6
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 $680
Flights to Bentota
Flights to Trincomalee