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$464+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CMB
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap 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 February 4, 2026.

This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:35 pm
ORD
-
CMB
1 stop45h 25m
Cathay Pacific
Tue 3/1012:45 am
CMB
-
ORD
1 stop23h 40m
Cathay Pacific
Deal found 2/2$663
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 3/32:35 pm
ORD
-
CMB
1 stop45h 25m
Cathay Pacific
Mon 3/912:45 am
CMB
-
ORD
1 stop23h 40m
Cathay Pacific
Deal found 2/3$666
This Booking.com deal was found by Cheapflights users on 2/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:00 pm
ORD
-
CMB
1 stop45h 00m
Cathay Pacific
Tue 9/2912:50 am
CMB
-
ORD
1 stop23h 35m
Cathay Pacific
Deal found 2/4$667
This Indian Eagle deal was found by Cheapflights users on 2/2. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:00 pm
ORD
-
CMB
1 stop45h 00m
Cathay Pacific
Sun 9/1312:50 am
CMB
-
ORD
1 stop24h 00m
Cathay Pacific
Deal found 2/2$676
This Cathay Pacific deal was found by Cheapflights users on 2/3. 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.
Wed 4/294:15 pm
ORD
-
CMB
1 stop45h 00m
Cathay Pacific
Tue 5/121:05 am
CMB
-
ORD
1 stop23h 20m
Cathay Pacific
Deal found 2/3$677
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:00 pm
ORD
-
CMB
1 stop45h 00m
Cathay Pacific
Tue 8/1812:50 am
CMB
-
ORD
1 stop24h 00m
Cathay Pacific
Deal found 2/3$683
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm
ORD
-
CMB
1 stop45h 00m
Cathay Pacific
Sat 9/1912:50 am
CMB
-
ORD
1 stop23h 35m
Cathay Pacific
Deal found 2/3$700
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:00 pm
ORD
-
CMB
1 stop45h 00m
Cathay Pacific
Fri 9/1812:50 am
CMB
-
ORD
1 stop23h 35m
Cathay Pacific
Deal found 2/3$702
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:00 pm
ORD
-
CMB
1 stop45h 00m
Cathay Pacific
Fri 8/2112:50 am
CMB
-
ORD
1 stop24h 00m
Cathay Pacific
Deal found 2/2$704
This Gotogate deal was found by Cheapflights users on 2/1. 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.
Thu 10/224:15 pm
ORD
-
CMB
1 stop44h 45m
Cathay Pacific
Sat 10/3112:45 am
CMB
-
ORD
1 stop23h 40m
Cathay Pacific
Deal found 2/1$705
This Booking.com deal was found by Cheapflights users on 2/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:35 pm
ORD
-
CMB
1 stop45h 25m
Cathay Pacific
Sun 12/1312:45 am
CMB
-
ORD
1 stop23h 40m
Cathay Pacific
Deal found 2/2$715
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:01 pm
BMI
-
CMB
2 stops24h 44m
Qatar Airways
Mon 9/218:20 pm
CMB
-
BMI
2 stops37h 09m
Qatar Airways
Deal found 2/3$1,124

Find flight deals from Illinois to Colombo

Keep the following information in mind while searching for Illinois to Colombo flight deals. Data was last updated February 4, 2026.

Round-trip from

$663
(Gotogate)

One-way from

$464
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,379
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. 3% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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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 February 4, 2026.
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

Wed 4/29

4:15 pm-11:45 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Sun 5/17

1:05 am-1:55 pm

1 stop23h 20m

$677

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 4/29

4:15 pm-11:45 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Sat 5/16

1:05 am-1:55 pm

1 stop23h 20m

$727

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 4/29

4:15 pm-11:45 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Thu 5/14

1:05 am-1:55 pm

1 stop23h 20m

$727

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 3/5

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Thu 4/2

1:05 am-1:55 pm

1 stop23h 20m

$782

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 4/30

4:15 pm-11:45 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Sat 5/16

1:05 am-1:55 pm

1 stop23h 20m

$802

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 5/1

4:15 pm-11:45 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Tue 5/12

1:05 am-1:55 pm

1 stop23h 20m

$802

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 4/30

4:15 pm-11:45 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Fri 5/15

1:05 am-1:55 pm

1 stop23h 20m

$802

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 5/1

4:15 pm-11:45 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Sun 5/17

1:05 am-1:55 pm

1 stop23h 20m

$802

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 3/12

3:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Mon 5/4

1:05 am-1:55 pm

1 stop23h 20m

$815

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 4/30

4:15 pm-11:45 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Wed 5/13

1:05 am-1:55 pm

1 stop23h 20m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 20 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 $1,257). 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.

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 45h. Cathay Pacific provides one of the quickest options available for as low as $677. There are 8947 mi between Illinois and Colombo Bandaranaike Intl Airport.

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

    $308 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on Etihad Airways and Qatar Airways, with prices starting from $462 and $474, 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 $1,257). 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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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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$607Average$777FlexibilityNo cancel feeOn-time72%
Air IndiaCheapest$799Average$1,027FlexibilityNo cancel feeOn-timeN/A
SriLankan AirlinesCheapest$808Average$2,192FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$891Average$1,185FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$929Average$1,368FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$954Average$1,430FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$1,013Average$1,568FlexibilityNo cancel feeOn-time67%
EmiratesCheapest$1,105Average$1,823FlexibilityNo cancel feeOn-time75%
IndiGoCheapest$1,205Average$1,401FlexibilityNo cancel feeOn-time80%
JetBlueCheapest$1,593Average$2,760FlexibilityNo cancel feeOn-time62%

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