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Colombo

$424+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CMB
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$795
(Gotogate)

One-way from

$424
(FlightHub)

Popular in

December

Cheapest in

March

Average price

$1,725
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. 11% potential increase in price ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Gotogate deal was found by Cheapflights users on 4/28. 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 8/294:00 pmORD - CMB
1 stop45h 00mCathay Pacific
Mon 9/1512:50 amCMB - ORD
1 stop24h 05mCathay Pacific
Deal found 4/28$795
This Gotogate deal was found by Cheapflights users on 4/29. 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 5/153:50 pmORD - CMB
2 stops30h 30mMultiple Airlines
Sat 6/143:25 amCMB - ORD
3 stops40h 15mMultiple Airlines
Deal found 4/29$939
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Mon 9/297:50 pmORD - CMB
1 stop22h 55mTurkish Airlines
Fri 10/1710:15 pmCMB - ORD
1 stop21h 55mTurkish Airlines
Deal found 4/29$986
This Justfly.com deal was found by Cheapflights users on 4/29. 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.
Mon 9/293:35 pmORD - CMB
2 stops34h 40mAir Canada
Thu 10/163:25 amCMB - ORD
2 stops40h 56mAir Canada
Deal found 4/29$1,001
This Booking.com deal was found by Cheapflights users on 4/29. 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 8/2911:25 amORD - CMB
2 stops37h 55mIndiGo
Mon 9/1512:50 pmCMB - ORD
2 stops39h 35mIndiGo
Deal found 4/29$1,081
This oojo deal was found by Cheapflights users on 4/30. 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 8/2912:00 pmORD - CMB
1 stop41h 35mAir India
Mon 9/158:20 amCMB - ORD
1 stop33h 35mAir India
Deal found 4/30$1,138
This oojo deal was found by Cheapflights users on 4/29. 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 5/57:20 pmORD - CMB
1 stop21h 15mQatar Airways
Sat 5/178:20 pmCMB - ORD
1 stop29h 15mQatar Airways
Deal found 4/29$1,204
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Mon 9/291:35 pmORD - CMB
3 stops47h 30mSingapore Airlines
Fri 10/1712:50 amCMB - ORD
2 stops27h 30mSingapore Airlines
Deal found 4/29$1,254
This oojo deal was found by Cheapflights users on 4/29. 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 9/298:35 pmORD - CMB
2 stops35h 25mEmirates
Thu 10/162:55 amCMB - ORD
1 stop23h 20mEmirates
Deal found 4/29$1,278
This oojo deal was found by Cheapflights users on 4/30. 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 8/41:55 pmORD - CMB
1 stop32h 05mEtihad Airways
Thu 8/284:05 amCMB - ORD
1 stop39h 10mEtihad Airways
Deal found 4/30$1,298
This Air Canada deal was found by Cheapflights users on 4/30. 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.
Mon 5/197:30 amSTL - CMB
2 stops38h 35mAir Canada
Tue 6/171:05 pmCMB - STL
2 stops41h 23mAir Canada
Deal found 4/30$1,491
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/197:30 amSTL - CMB
2 stops34h 55mMultiple Airlines
Thu 7/241:05 pmCMB - STL
2 stops36h 41mMultiple Airlines
Deal found 4/30$1,497

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 May 1, 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

Fri 8/29

4:00 pm-11:30 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Mon 9/15

12:50 am-2:25 pm

1 stop24h 05m

$795

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 5/15

3:50 pm-8:50 am

2 stops30h 30m

Colombo Bandaranaike Intl

Sat 6/14

3:25 am-9:10 am

3 stops40h 15m

$939

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 9/29

7:50 pm-5:15 am

1 stop22h 55m

Colombo Bandaranaike Intl

Fri 10/17

10:15 pm-9:40 am

1 stop21h 55m

$986

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 9/29

3:35 pm-12:45 pm

2 stops34h 40m

Colombo Bandaranaike Intl

Thu 10/16

3:25 am-9:51 am

2 stops40h 56m

$1,001

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 8/29

11:25 am-11:50 am

2 stops37h 55m

Colombo Bandaranaike Intl

Mon 9/15

12:50 pm-5:55 pm

2 stops39h 35m

$1,081

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 8/29

12:00 pm-4:05 pm

1 stop41h 35m

Colombo Bandaranaike Intl

Mon 9/15

8:20 am-7:25 am

1 stop33h 35m

$1,138

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 10/1

8:00 am-3:05 am

2 stops32h 35m

Colombo Bandaranaike Intl

Tue 10/14

3:35 am-3:25 pm

1 stop22h 20m

$1,250

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 9/29

1:35 pm-11:35 pm

3 stops47h 30m

Colombo Bandaranaike Intl

Fri 10/17

12:50 am-5:50 pm

2 stops27h 30m

$1,254

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 9/29

8:35 pm-8:35 am

1 stop25h 30m

Colombo Bandaranaike Intl

Fri 10/17

8:35 pm-3:45 pm

2 stops29h 40m

$1,278

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 8/4

1:55 pm-8:30 am

1 stop32h 05m

Colombo Bandaranaike Intl

Thu 8/28

4:05 am-8:45 am

1 stop39h 10m

$1,298

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 30 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 $1,049). Flying from Illinois to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,850). 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 May 1, 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.

Rainfall in Colombo by month

Plan your trip to Colombo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colombo Bandaranaike Intl Airport ranges from 2.4 - 13.8 inches per month. October is typically the wettest month, when rainfall can reach 13.8 in. February is typically the driest time to visit Colombo Bandaranaike Intl Airport when rainfall is around 2.4 in.

Temperature in Colombo by month

Plan your trip to Colombo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colombo Bandaranaike Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 May 1, 2025.
See what other customers who have flown with Korean Air, Singapore Airlines and Emirates from Illinois to Colombo have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,068 reviews

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,068 reviews
Korean Air
8.4
Very good
1,068 reviews

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,292 reviews
Korean Air
8.4
Very good
1,068 reviews

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very good
3,215 reviews
Korean Air
8.4
Very good
1,068 reviews

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.5
Good
855 reviews
Korean Air
8.4
Very good
1,068 reviews

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Qatar Airways
7.4
Good
3,563 reviews
Korean Air
8.4
Very good
1,068 reviews

Entertainment

8.2

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Food

8.1

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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.

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

    $424 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 Qatar Airways and IndiGo, with prices starting from $615 and $723, 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 $1,049). Flying from Illinois to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of $1,850). 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 Illinois?

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Alternative routes for Illinois to Colombo

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Top 9 airlines flying from Illinois to Colombo

Discover the top 9 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$711Average$846FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$816Average$929FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$983Average$1,568FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,025Average$1,356FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$1,061Average$1,436FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$1,136Average$1,504FlexibilityNo cancel feeOn-time75%
SriLankan AirlinesCheapest$1,202Average$1,828FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,264Average$1,758FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$2,378Average$2,581FlexibilityNo cancel feeOn-time70%

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