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Cheap flights from St. Louis to Colombo from $615

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 Colombo departing on 8/31. 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 Colombo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qatar Airways Logo
7:02 am - 3:05 am
STL
-
CMB
33h 33m
2 stops
Qatar Airways Logo
3:35 am - 11:59 pm
CMB
-
STL
30h 54m
2 stops
$1,401Qatar Airways
Mon, Oct 5 - Thu, Oct 8
Qatar Airways Logo
7:02 am - 3:05 am
STL
-
CMB
33h 33m
2 stops
Qatar Airways Logo
6:45 pm - 11:59 pm
CMB
-
STL
39h 44m
2 stops
$1,401Qatar Airways
Mon, Oct 5 - Fri, Oct 9
Qatar Airways Logo
7:02 am - 3:05 am
STL
-
CMB
33h 33m
2 stops
Qatar Airways Logo
6:45 pm - 11:59 pm
CMB
-
STL
39h 44m
2 stops
$1,429Qatar Airways
Mon, Oct 5 - Fri, Oct 9
Qatar Airways Logo
6:02 am - 2:05 am
STL
-
CMB
33h 33m
2 stops
Qatar Airways Logo
3:35 am - 11:59 pm
CMB
-
STL
30h 54m
2 stops
$1,441Qatar Airways
Sat, Oct 17 - Tue, Oct 20
Qatar Airways Logo
6:35 am - 9:00 am
STL
-
CMB
39h 55m
2 stops
Qatar Airways Logo
3:35 am - 11:59 pm
CMB
-
STL
30h 54m
2 stops
$1,453Qatar Airways
Sat, Sep 5 - Sun, Sep 13
Multiple Airlines Logo
3:24 pm - 9:45 am
STL
-
CMB
54h 51m
2 stops
Multiple Airlines Logo
3:25 am - 2:26 pm
CMB
-
STL
46h 31m
2 stops
$1,489Multiple Airlines
Sat, Jan 9 - Fri, Jan 22
Qatar Airways Logo
9:31 am - 2:05 am
STL
-
CMB
30h 04m
2 stops
Qatar Airways Logo
8:20 pm - 11:59 pm
CMB
-
STL
38h 09m
2 stops
$1,545Qatar Airways
Sat, Sep 5 - Sun, Sep 13
Etihad Airways Logo
5:13 pm - 3:00 am
STL
-
CMB
23h 17m
2 stops
Etihad Airways Logo
4:10 am - 8:44 pm
CMB
-
STL
27h 04m
2 stops
$1,549Etihad Airways
Sat, Sep 5 - Tue, Sep 15
Etihad Airways Logo
4:50 pm - 3:00 am
STL
-
CMB
23h 40m
2 stops
Etihad Airways Logo
4:10 am - 8:44 pm
CMB
-
STL
27h 04m
2 stops
$1,549Etihad Airways
Fri, Sep 4 - Tue, Sep 15
Etihad Airways Logo
4:50 pm - 3:00 am
STL
-
CMB
23h 40m
2 stops
Etihad Airways Logo
9:50 pm - 1:16 pm
CMB
-
STL
25h 56m
2 stops
$1,592Etihad Airways
Fri, Sep 4 - Mon, Sep 14

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Etihad Airways flights from St. Louis to Colombo

Our best Etihad Airways deals on St. Louis to Colombo flight tickets
Etihad Airways
Sep 4
STL4:50 pmLambert-St Louis
23h 40m
2 stops
CMB3:00 amColombo Bandaranaike Intl
Sep 15
CMB4:10 amColombo Bandaranaike Intl
27h 04m
2 stops
STL8:44 pmLambert-St Louis
$1,549
Etihad Airways
Sep 4
STL4:50 pmLambert-St Louis
23h 40m
2 stops
CMB3:00 amColombo Bandaranaike Intl
Sep 14
CMB9:50 pmColombo Bandaranaike Intl
25h 56m
2 stops
STL1:16 pmLambert-St Louis
$1,592

Qatar Airways flights from St. Louis to Colombo

Our best Qatar Airways deals on St. Louis to Colombo flight tickets
Qatar Airways
Oct 5
STL7:02 amLambert-St Louis
33h 33m
2 stops
CMB3:05 amColombo Bandaranaike Intl
Oct 9
CMB6:45 pmColombo Bandaranaike Intl
39h 44m
2 stops
STL11:59 pmLambert-St Louis
$1,401
Qatar Airways
Oct 5
STL7:02 amLambert-St Louis
33h 33m
2 stops
CMB3:05 amColombo Bandaranaike Intl
Oct 9
CMB6:45 pmColombo Bandaranaike Intl
39h 44m
2 stops
STL11:59 pmLambert-St Louis
$1,429
Qatar Airways
Oct 17
STL6:02 amLambert-St Louis
33h 33m
2 stops
CMB2:05 amColombo Bandaranaike Intl
Oct 20
CMB3:35 amColombo Bandaranaike Intl
30h 54m
2 stops
STL11:59 pmLambert-St Louis
$1,441

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Colombo 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 August 1, 2026.
Use the filters below to find and compare flights from St. Louis to Colombo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Mon 10/5

7:02 am-3:05 am

2 stops33h 33m

Colombo Bandaranaike Intl

Thu 10/8

3:35 am-11:59 pm

2 stops30h 54m

$1,401

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Mon 10/5

7:02 am-3:05 am

2 stops33h 33m

Colombo Bandaranaike Intl

Fri 10/9

6:45 pm-11:59 pm

2 stops39h 44m

$1,401

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Mon 10/5

7:02 am-3:05 am

2 stops33h 33m

Colombo Bandaranaike Intl

Fri 10/9

6:45 pm-11:59 pm

2 stops39h 44m

$1,429

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 10/17

6:02 am-2:05 am

2 stops33h 33m

Colombo Bandaranaike Intl

Tue 10/20

3:35 am-11:59 pm

2 stops30h 54m

$1,441

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 9/5

6:35 am-9:00 am

2 stops39h 55m

Colombo Bandaranaike Intl

Sun 9/13

3:35 am-11:59 pm

2 stops30h 54m

$1,453

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 1/9

3:24 pm-9:45 am

2 stops54h 51m

Colombo Bandaranaike Intl

Fri 1/22

3:25 am-2:26 pm

2 stops46h 31m

$1,489

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 9/5

9:31 am-2:05 am

2 stops30h 04m

Colombo Bandaranaike Intl

Sun 9/13

8:20 pm-11:59 pm

2 stops38h 09m

$1,545

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 9/5

5:13 pm-3:00 am

2 stops23h 17m

Colombo Bandaranaike Intl

Tue 9/15

4:10 am-8:44 pm

2 stops27h 04m

$1,549

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Fri 9/4

4:50 pm-3:00 am

2 stops23h 40m

Colombo Bandaranaike Intl

Tue 9/15

4:10 am-8:44 pm

2 stops27h 04m

$1,549
Quickest round-trip

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Fri 9/4

4:50 pm-3:00 am

2 stops23h 40m

Colombo Bandaranaike Intl

Mon 9/14

9:50 pm-1:16 pm

2 stops25h 56m

$1,592

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Cheap St. Louis to Colombo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Colombo

Fastest flight time

25h 50m

Direct flights

None
The fastest flight from St. Louis to Colombo takes 25h 50m
There are no direct flights from St. Louis to Colombo. There are no popular flight routes from St. Louis to Colombo.
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Frequently asked questions about flying from St. Louis to Colombo

  • How far is Lambert-St Louis to Colombo by plane?

    Colombo is 9218.3 mi away from Lambert-St Louis. Flights usually cover this in 25h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Colombo?

    Prices for flights from Lambert-St Louis Airport to Colombo were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Colombo?

  • How old do you have to be to fly from Lambert-St Louis Airport to Colombo?

    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 Colombo.

  • What documentation or ID do you need to fly to Colombo?

    The travel and health documents you'll need for your trip to Colombo 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 Colombo. 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 Colombo

Compare and see reviews for airlines that fly from St. Louis to Colombo with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,166Free CancellationRating
7.4
3,738 reviews
Search Qatar Airways flights

Frequently asked questions about flying from St. Louis to Colombo

  • How do I get Price Alerts for flights from St. Louis to Colombo?

    Price Alerts will notify you by email when the price for flights to Colombo from St. Louis decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from St. Louis to Colombo with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Colombo?

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 Colombo for you.

Can I find flights from St. Louis to Colombo with flexible booking policies on momondo?

Yes. All flights to Colombo from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Colombo?

Once all potential St. Louis to Colombo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Colombo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Colombo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Colombo and let you know when they change.

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Find better results for your trip to Sri Lanka

Fly into one of these airports located in Colombo

Airports listed have a maximum distance of 17.4 mi from Colombo
Colombo Bandaranaike Intl Airport
Colombo Diyawanna Oya Seaplane Base Airport