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$404+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CMB
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:45 amORD - CMB
2 stops40h 15mMultiple Airlines
Sat 12/2711:55 amCMB - ORD
1 stop39h 55mMultiple Airlines
Deal found 12/15$1,715
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:30 pmORD - CMB
1 stop30h 20mAir India
Sun 1/118:20 amCMB - ORD
2 stops38h 40mAir India
Deal found 12/16$1,747
This Indian Eagle deal was found by Cheapflights users on 12/17. 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.
Sun 12/211:30 pmORD - CMB
1 stop30h 20mAir India
Sat 12/275:05 pmCMB - ORD
2 stops29h 55mAir India
Deal found 12/17$1,770
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:30 pmORD - CMB
1 stop30h 20mAir India
Sun 1/115:05 pmCMB - ORD
2 stops29h 55mAir India
Deal found 12/16$1,797
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/161:10 pmORD - CMB
1 stop19h 40mEtihad Airways
Sat 12/279:35 pmCMB - ORD
1 stop21h 30mEtihad Airways
Deal found 12/15$1,999
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:10 pmORD - CMB
1 stop38h 35mEtihad Airways
Fri 12/269:35 pmCMB - ORD
1 stop21h 30mEtihad Airways
Deal found 12/15$2,033
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:00 pmSTL - CMB
2 stops44h 25mQatar Airways
Fri 12/263:25 amCMB - STL
2 stops30h 40mQatar Airways
Deal found 12/15$2,800
This Ovago deal was found by Cheapflights users on 12/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:16 pmSTL - CMB
2 stops23h 39mMultiple Airlines
Sat 12/277:30 pmCMB - STL
3 stops39h 44mMultiple Airlines
Deal found 12/15$3,167

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 December 18, 2025.

Round-trip from

$748
(Cathay Pacific)

One-way from

$404
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$1,718
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. 4% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 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 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 December 18, 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

Thu 3/12

3:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Wed 3/25

12:45 am-1:55 pm

1 stop23h 40m

$748

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 3/5

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Sun 3/15

12:45 am-1:55 pm

1 stop23h 40m

$748

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 3/11

3:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Tue 3/31

1:10 am-2:25 pm

1 stop23h 45m

$748

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 1/28

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Sat 2/7

12:45 am-12:55 pm

1 stop23h 40m

$798

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 1/16

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Tue 3/31

1:10 am-2:25 pm

1 stop23h 45m

$798

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 2/27

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Mon 3/16

12:45 am-1:55 pm

1 stop23h 40m

$798

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Sun 1/11

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Thu 4/2

1:10 am-2:25 pm

1 stop23h 45m

$848

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 1/15

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Mon 3/30

1:10 am-2:25 pm

1 stop23h 45m

$898

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Sun 1/11

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Fri 3/27

12:45 am-1:55 pm

1 stop23h 40m

$923

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 1/12

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Thu 4/2

1:10 am-2:25 pm

1 stop23h 45m

$948

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 34 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 $1,372). 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 December 18, 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.

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 22h 14m. Cathay Pacific provides one of the quickest options available for as low as $1,212. There are 9061 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?

    $467 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on Etihad Airways and IndiGo, with prices starting from $470 and $505, 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 $1,372). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$607Average$771FlexibilityNo cancel feeOn-time72%
Air IndiaCheapest$799Average$1,027FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$871Average$990FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$954Average$1,430FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$960Average$1,478FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$1,013Average$1,581FlexibilityNo cancel feeOn-time67%
SriLankan AirlinesCheapest$1,124Average$2,192FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,183Average$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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