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Colombo

$1,452+ Cheap flights from St. Louis (STL) to Bandaranaike Intl (CMB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CMB
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from St. Louis to Colombo

Cheapest flights from St. Louis to Colombo
Explore the most affordable flight options available from St. Louis to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Justfly.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:18 amSTL - CMB
2 stops50h 42mCathay Pacific
Tue 1/612:45 amCMB - STL
2 stops28h 59mCathay Pacific
Deal found 12/10$1,900
This Air Canada deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:05 pmSTL - CMB
3 stops38h 50mMultiple Airlines
Wed 1/79:55 amCMB - STL
2 stops41h 04mMultiple Airlines
Deal found 12/10$3,769
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:10 pmSTL - CMB
3 stops31h 35mEmirates
Wed 1/78:15 pmCMB - STL
3 stops36h 28mEmirates
Deal found 12/10$6,551

Find flight deals from St. Louis to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Colombo (CMB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,452
(Qatar Airways)

Popular in

June

Cheapest in

January

Average price

$1,688
Provider with most accurate pricing for Lambert-St Louis-Colombo Bandaranaike Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Colombo Bandaranaike Intl flights.
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From Lambert-St Louis to Colombo Bandaranaike Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from St. Louis to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

St. Louis

Fly to

Colombo

Route

Depart

Return

Price

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Wed 4/29

7:00 am-2:45 am

2 stops33h 15m

Colombo Bandaranaike Intl

Sun 5/3

7:45 pm-11:55 pm

2 stops38h 40m

$1,452

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

7:04 am-11:30 pm

2 stops28h 56m

Colombo Bandaranaike Intl

Mon 3/2

12:45 am-11:48 pm

2 stops34h 33m

$1,457

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

Wed 12/31

9:18 am-11:30 pm

2 stops50h 42m

Colombo Bandaranaike Intl

Tue 1/6

12:45 am-6:14 pm

2 stops28h 59m

$1,900

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Wed 4/29

3:23 pm-8:35 am

2 stops30h 42m

Colombo Bandaranaike Intl

Sun 5/3

8:35 pm-9:04 pm

3 stops34h 59m

$3,154

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Wed 12/31

4:05 pm-6:25 pm

3 stops38h 50m

Colombo Bandaranaike Intl

Wed 1/7

9:55 am-3:29 pm

2 stops41h 04m

$3,769

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

3:11 pm-10:15 am

3 stops31h 34m

Colombo Bandaranaike Intl

Tue 3/3

8:15 pm-10:14 pm

3 stops37h 29m

$3,849

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 12/20

10:10 pm-8:20 pm

3 stops58h 40m

$1,820

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from St. Louis to Colombo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Colombo in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Colombo Bandaranaike Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Colombo Bandaranaike Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from St. Louis-Colombo Bandaranaike Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Colombo Bandaranaike Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Colombo Bandaranaike Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Colombo Bandaranaike Intl Airport

What is the cheapest time of day to fly from STL to CMB?

Find hourly flight availability from St. Louis to Colombo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from St. Louis to Colombo Bandaranaike Intl Airport in the evening. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Colombo

Get insights into the airlines that provide service to Colombo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colombo. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with Qatar Airways from St. Louis to Colombo Bandaranaike Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,677 reviews

Comfort

7.4

Crew

7.9

Overall

7.4

Entertainment

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,677 reviews
Qatar Airways
7.4
Good
3,677 reviews

Comfort

7.4

Crew

7.9

Overall

7.4

Entertainment

7.4

Food

7.3

Boarding

7.5

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Colombo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Colombo Bandaranaike Intl?

    Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Colombo Bandaranaike Intl from St. Louis. Booking flights from Lambert-St Louis (STL) to Colombo Bandaranaike Intl should be relatively easy as there are 0 daily outbound flights to Colombo Bandaranaike Intl from 1 airline.

  • How long is the flight from St. Louis to Colombo Bandaranaike Intl Airport?

    For as low as $1,457, Qatar Airways can have you in Colombo Bandaranaike Intl Airport from St. Louis in 28h 56m. St. Louis and Colombo Bandaranaike Intl Airport are separated by a distance of 9196 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from St. Louis to Colombo Bandaranaike Intl Airport round-trip?

    According to our current data, Qatar Airways ($1,171), offers the cheapest pricing from St. Louis to Colombo Bandaranaike Intl Airport. You may be able to fly from St. Louis to Colombo Bandaranaike Intl Airport for 22% less than the average price by searching for this airline.

  • Can I find deals for flights from St. Louis to Colombo that include hotel bookings?

    Yes. In addition to deals on St. Louis to Colombo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Colombo.

  • Can I find deals for business class flights from St. Louis to Colombo?

    Yes. Cheapflights offers flight deals from St. Louis to Colombo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Negombo

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Top airline flying from St. Louis to Colombo

Discover the top airline that operate flights from St. Louis to Colombo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,171Average$1,492FlexibilityNo cancel feeOn-time68%

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