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Colombo

$552+ Cheap flights from Illinois to Bandaranaike Intl (CMB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CMB
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Find flight deals from Illinois to Colombo

Cheapest flights from Illinois to Colombo
Explore the most affordable flight options available from Illinois to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:10 pmORD - CMB
1 stop38h 35mEtihad Airways
Sun 12/144:30 pmCMB - ORD
1 stop26h 35mEtihad Airways
Deal found 11/2$1,277
This Cathay Pacific deal was found by Cheapflights users on 11/3. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:35 pmORD - CMB
1 stop45h 25mMultiple Airlines
Sun 12/1412:45 amCMB - ORD
2 stops40h 05mMultiple Airlines
Deal found 11/3$1,281
This oojo deal was found by Cheapflights users on 11/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:10 pmORD - CMB
1 stop38h 35mEtihad Airways
Mon 12/159:35 pmCMB - ORD
1 stop21h 30mEtihad Airways
Deal found 11/3$1,309
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:10 pmORD - CMB
1 stop20h 35mMultiple Airlines
Sat 12/63:30 amCMB - ORD
3 stops38h 05mMultiple Airlines
Deal found 11/3$1,312
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:05 pmORD - CMB
3 stops28h 15mMultiple Airlines
Thu 1/2210:15 pmCMB - ORD
2 stops31h 40mMultiple Airlines
Deal found 11/4$1,313
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3011:50 amORD - CMB
3 stops29h 25mMultiple Airlines
Mon 3/92:40 pmCMB - ORD
2 stops28h 25mMultiple Airlines
Deal found 11/3$1,314
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:45 pmORD - CMB
1 stop21h 45mMultiple Airlines
Sun 12/74:00 amCMB - ORD
2 stops29h 54mMultiple Airlines
Deal found 11/3$1,318
This KAYAK deal was found by Cheapflights users on 11/3. 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.
Sun 12/71:10 pmORD - CMB
1 stop38h 35mEtihad Airways
Sat 3/289:50 amCMB - ORD
1 stop33h 25mEtihad Airways
Deal found 11/3$1,319
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:10 pmORD - CMB
1 stop38h 35mEtihad Airways
Sun 12/149:50 amCMB - ORD
1 stop33h 15mEtihad Airways
Deal found 11/2$1,329
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:33 pmBMI - CMB
2 stops47h 42mAmerican Airlines
Fri 11/74:15 amCMB - BMI
2 stops26h 54mAmerican Airlines
Deal found 11/3$1,557

Cheap flight deals from Illinois to Colombo

Keep the following information in mind while searching for Illinois to Colombo flight deals. Data was last updated November 4, 2025.

Round-trip from

$1,167
(Cathay Pacific)

One-way from

$552
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,292
From Illinois to Colombo Bandaranaike Intl
Search Deals
One-way flight from Illinois to Colombo Bandaranaike Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($325 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 November 4, 2025.
Use the filters below to find and compare flights from Illinois to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Illinois

Fly to

Colombo

Route

Depart

Return

Price

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-6:11 pm

2 stops28h 56m

$1,167

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 4/9

4:09 pm-11:50 pm

2 stops45h 11m

Colombo Bandaranaike Intl

Sat 4/25

1:10 am-11:24 pm

2 stops32h 44m

$1,217

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 3/12

5:59 pm-11:30 pm

2 stops43h 01m

Colombo Bandaranaike Intl

Wed 3/25

12:45 am-9:48 pm

2 stops31h 33m

$1,242

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Sat 1/10

6:50 pm-1:55 am

1 stop19h 35m

Colombo Bandaranaike Intl

Sun 3/29

4:15 am-12:50 pm

2 stops43h 05m

$1,259

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 3/5

6:50 pm-11:30 pm

2 stops41h 10m

Colombo Bandaranaike Intl

Sun 3/8

12:45 am-10:24 pm

2 stops32h 09m

$1,280

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 12/5

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Sun 12/14

12:45 am-5:20 am

2 stops40h 05m

$1,281

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 12/5

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Sat 12/13

12:45 am-6:46 am

2 stops41h 31m

$1,281

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Tue 1/13

8:00 am-1:55 am

2 stops30h 25m

Colombo Bandaranaike Intl

Sun 3/29

10:30 am-12:50 pm

2 stops36h 50m

$1,284

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Tue 1/13

7:45 pm-6:25 pm

2 stops35h 10m

Colombo Bandaranaike Intl

Thu 4/2

8:35 pm-3:45 pm

2 stops29h 40m

$1,328

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Tue 1/13

7:45 pm-6:25 pm

2 stops35h 10m

Colombo Bandaranaike Intl

Fri 4/3

8:35 pm-3:45 pm

2 stops29h 40m

$1,328

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 32 results
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Best time to book a flight from Illinois to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Illinois 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 Illinois to Colombo Bandaranaike Intl Airport

What is the cheapest month to book a flight from Illinois to Colombo Bandaranaike Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Illinois to Colombo Bandaranaike Intl Airport (average of $623). Flying from Illinois to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Illinois 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 November 4, 2025.

One of the essential ways to save on airfare from Illinois to Colombo Bandaranaike Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 28% on airfare.

What is the cheapest day to fly from Illinois to Colombo Bandaranaike Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Colombo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Colombo Bandaranaike Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Illinois to Colombo Bandaranaike Intl Airport?

Related info for your journey

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

  • How long is the flight from Illinois to Colombo Bandaranaike Intl Airport?

    A quick flight from Illinois to Colombo Bandaranaike Intl Airport can take about 19h 35m. Qatar Airways provides one of the quickest options available for as low as $1,259. There are 8947 mi between Illinois and Colombo Bandaranaike Intl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Colombo Bandaranaike Intl Airport one-way?

    $577 is the cheapest one-way deal found within the past few days, from IndiGo. You may also be able to find cheap deals on Etihad Airways and Qatar Airways, with prices starting from $732 and $853, respectively.

  • What are the most popular routes from Illinois to Colombo Bandaranaike Intl Airport?

    While some choose either Lambert-St Louis - Colombo Bandaranaike Intl or Bloomington-Normal - Colombo Bandaranaike Intl, Chicago O'Hare Intl - Colombo Bandaranaike Intl is the most popular route from Illinois to Colombo Bandaranaike Intl Airport.

  • Can I find deals for flights from Illinois to Colombo that include hotel bookings?

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

  • How can I find direct flights from Illinois to Colombo?

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

  • Can I find deals for business class flights from Illinois to Colombo?

    Yes. Cheapflights offers flight deals from Illinois 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.

  • What is the cheapest month to book a flight from Illinois to Colombo Bandaranaike Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Colombo Bandaranaike Intl Airport (average of $623). Flying from Illinois to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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Alternative routes for Illinois to Colombo

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Top 10 airlines flying from Illinois to Colombo

Discover the top 10 airlines that operate flights from Illinois 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$623Average$777FlexibilityNo cancel feeOn-time72%
Air IndiaCheapest$692Average$923FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$816Average$925FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$953Average$1,436FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$991Average$1,464FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$1,013Average$1,580FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,025Average$1,080FlexibilityNo cancel feeOn-time71%
SriLankan AirlinesCheapest$1,124Average$1,360FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,183Average$1,758FlexibilityNo cancel feeOn-time75%
IndiGoCheapest$1,205Average$1,401FlexibilityNo cancel feeOn-time80%

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