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Colombo

$462+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CMB
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$740
(FlightHub)

One-way from

$462
(Booking.com)

Popular in

December

Cheapest in

March

Average price

$1,110
From Illinois to Colombo Bandaranaike Intl
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One-way flight from Illinois to Colombo Bandaranaike Intl
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Highest demand for flights based on searches. 7% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/212:40 pmORD - CMB
1 stop45h 20mCathay Pacific
Mon 11/2412:45 amCMB - ORD
1 stop23h 45mCathay Pacific
Deal found 9/14$740
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:35 pmORD - CMB
1 stop45h 25mCathay Pacific
Wed 11/2612:45 amCMB - ORD
1 stop23h 40mCathay Pacific
Deal found 9/16$741
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:00 pmORD - CMB
1 stop45h 00mCathay Pacific
Wed 10/1512:50 amCMB - ORD
1 stop24h 05mCathay Pacific
Deal found 9/16$746
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/313:35 pmORD - CMB
1 stop45h 25mCathay Pacific
Thu 11/612:45 amCMB - ORD
1 stop23h 40mCathay Pacific
Deal found 9/15$749
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:00 pmORD - CMB
1 stop45h 00mCathay Pacific
Thu 10/2312:50 amCMB - ORD
1 stop24h 05mCathay Pacific
Deal found 9/14$756
This Cathay Pacific deal was found by Cheapflights users on 9/15. 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.
Tue 11/182:35 pmORD - CMB
1 stop45h 25mCathay Pacific
Tue 11/2512:45 amCMB - ORD
1 stop23h 40mCathay Pacific
Deal found 9/15$760
This Cathay Pacific deal was found by Cheapflights users on 9/14. 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.
Sun 9/214:00 pmORD - CMB
1 stop45h 00mCathay Pacific
Fri 10/2412:50 amCMB - ORD
1 stop24h 05mCathay Pacific
Deal found 9/14$776
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:40 pmORD - CMB
1 stop45h 20mCathay Pacific
Wed 11/2612:45 amCMB - ORD
1 stop23h 45mCathay Pacific
Deal found 9/14$858
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/244:00 pmORD - CMB
1 stop45h 00mCathay Pacific
Fri 10/2412:50 amCMB - ORD
1 stop24h 05mCathay Pacific
Deal found 9/14$874
This Cathay Pacific deal was found by Cheapflights users on 9/15. 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.
Wed 11/192:35 pmORD - CMB
1 stop45h 25mCathay Pacific
Fri 11/2812:45 amCMB - ORD
1 stop23h 40mCathay Pacific
Deal found 9/15$878
This Cathay Pacific deal was found by Cheapflights users on 9/16. 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.
Tue 11/182:35 pmORD - CMB
1 stop45h 25mCathay Pacific
Fri 11/2812:45 amCMB - ORD
1 stop23h 40mCathay Pacific
Deal found 9/16$879
This Qatar Airways deal was found by Cheapflights users on 9/15. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:51 pmBMI - CMB
2 stops30h 39mQatar Airways
Fri 10/103:35 amCMB - BMI
2 stops30h 51mQatar Airways
Deal found 9/15$1,334

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 September 16, 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

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Sun 1/11

2:40 pm-11:30 pm

1 stop45h 20m

Colombo Bandaranaike Intl

Mon 3/30

1:10 am-2:25 pm

1 stop23h 45m

$760

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 11/19

2:40 pm-11:30 pm

1 stop45h 20m

Colombo Bandaranaike Intl

Tue 11/25

12:45 am-1:00 pm

1 stop23h 45m

$760

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Sun 1/11

2:40 pm-11:30 pm

1 stop45h 20m

Colombo Bandaranaike Intl

Fri 3/27

12:45 am-2:00 pm

1 stop23h 45m

$760

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 1/14

2:40 pm-11:30 pm

1 stop45h 20m

Colombo Bandaranaike Intl

Sat 3/28

12:45 am-2:25 pm

1 stop24h 10m

$760

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 1/14

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Thu 4/2

1:10 am-2:25 pm

1 stop23h 45m

$761

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Tue 1/13

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Thu 4/2

1:10 am-2:25 pm

1 stop23h 45m

$761

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 1/14

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Fri 3/27

12:45 am-1:55 pm

1 stop23h 40m

$761

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Sun 11/23

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Wed 11/26

12:45 am-12:55 pm

1 stop23h 40m

$761

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 1/15

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Tue 3/31

1:10 am-2:25 pm

1 stop23h 45m

$761

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 9/26

4:00 pm-11:30 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Sat 10/25

12:50 am-2:00 pm

1 stop23h 40m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 28 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 $1,016). Flying from Illinois to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,731). 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Colombo Bandaranaike Intl Airport as you normally would.

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 40h 23m. Cathay Pacific provides one of the quickest options available for as low as $1,334. There are 9061 mi between Illinois and Colombo Bandaranaike Intl Airport. This flight may include one or multiple stops.

  • 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 $1,016). Flying from Illinois to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,731). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$623Average$802FlexibilityNo cancel feeOn-time72%
Air IndiaCheapest$799Average$997FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$816Average$919FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$953Average$1,420FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$1,013Average$1,570FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,025Average$1,080FlexibilityNo cancel feeOn-time71%
Etihad AirwaysCheapest$1,035Average$1,472FlexibilityNo cancel feeOn-time75%
EmiratesCheapest$1,183Average$1,758FlexibilityNo cancel feeOn-time75%
IndiGoCheapest$1,199Average$1,253FlexibilityNo cancel feeOn-time80%
SriLankan AirlinesCheapest$1,202Average$1,836FlexibilityNo cancel feeOn-time68%

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