HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CMB
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Colombo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$1,061
(CheapTickets)

One-way from

$424
(SmartFares)

Popular in

December

Cheapest in

April

Average price

$1,511
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. 16% potential increase in price ($276 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This CheapTickets deal was found by Cheapflights users on 6/11. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2212:15 pmORD - CMB
1 stop41h 20mAir India
Tue 7/295:05 pmCMB - ORD
2 stops27h 40mAir India
Deal found 6/11$1,061
This Booking.com deal was found by Cheapflights users on 6/10. 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 7/811:25 amORD - CMB
2 stops34h 50mIndiGo
Tue 7/159:55 pmCMB - ORD
2 stops46h 15mIndiGo
Deal found 6/10$1,124
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Thu 8/284:00 pmORD - CMB
1 stop45h 00mMultiple Airlines
Tue 9/29:55 pmCMB - ORD
2 stops30h 30mMultiple Airlines
Deal found 6/10$1,126
This oojo deal was found by Cheapflights users on 6/10. 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 8/81:55 pmORD - CMB
1 stop39h 00mEtihad Airways
Sat 8/2310:05 amCMB - ORD
1 stop33h 10mEtihad Airways
Deal found 6/10$1,197
This Indian Eagle deal was found by Cheapflights users on 6/10. 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.
Mon 9/298:35 pmORD - CMB
2 stops26h 25mEmirates
Thu 10/162:55 amCMB - ORD
1 stop23h 20mEmirates
Deal found 6/10$1,255
This oojo deal was found by Cheapflights users on 6/11. 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 11/138:00 amORD - CMB
2 stops30h 25mQatar Airways
Mon 11/247:15 pmCMB - ORD
1 stop30h 45mQatar Airways
Deal found 6/11$1,289
This oojo deal was found by Cheapflights users on 6/10. 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 7/316:00 amSTL - CMB
2 stops28h 05mEtihad Airways
Tue 9/304:30 pmCMB - STL
2 stops33h 24mEtihad Airways
Deal found 6/10$1,350
This FlightHub deal was found by Cheapflights users on 6/10. 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 7/311:16 pmSTL - CMB
2 stops27h 19mQatar Airways
Mon 9/293:35 amCMB - STL
2 stops27h 18mQatar Airways
Deal found 6/10$1,501
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Sat 12/134:15 pmSTL - CMB
2 stops25h 40mAir Canada
Fri 1/169:55 amCMB - STL
2 stops41h 01mAir Canada
Deal found 6/12$1,585
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Thu 6/127:30 amSTL - CMB
2 stops38h 35mMultiple Airlines
Thu 6/191:05 pmCMB - STL
2 stops42h 13mMultiple Airlines
Deal found 6/11$1,591
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Fri 7/189:40 amMDW - CMB
3 stops29h 55mMultiple Airlines
Mon 7/2110:05 pmCMB - MDW
3 stops28h 49mMultiple Airlines
Deal found 6/12$2,768
This Emirates deal was found by Cheapflights users on 6/10. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/313:20 pmSTL - CMB
3 stops31h 40mEmirates
Tue 9/308:35 pmCMB - STL
3 stops35h 54mEmirates
Deal found 6/10$4,911

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 June 12, 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

Tue 7/22

12:15 pm-4:05 pm

1 stop41h 20m

Colombo Bandaranaike Intl

Tue 7/29

5:05 pm-10:15 am

2 stops27h 40m

$1,061

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Tue 7/8

11:25 am-8:45 am

2 stops34h 50m

Colombo Bandaranaike Intl

Tue 7/15

9:55 pm-9:40 am

2 stops46h 15m

$1,124

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 8/28

4:00 pm-11:30 pm

1 stop45h 00m

Colombo Bandaranaike Intl

Tue 9/2

9:55 pm-5:55 pm

2 stops30h 30m

$1,126

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 8/8

1:55 pm-3:25 pm

1 stop39h 00m

Colombo Bandaranaike Intl

Sat 8/23

10:05 am-8:45 am

1 stop33h 10m

$1,197

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 9/29

8:35 pm-9:30 am

2 stops26h 25m

Colombo Bandaranaike Intl

Thu 10/16

2:55 am-3:45 pm

1 stop23h 20m

$1,255

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 11/13

8:00 am-1:55 am

2 stops30h 25m

Colombo Bandaranaike Intl

Mon 11/24

7:15 pm-2:30 pm

1 stop30h 45m

$1,289

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 7/31

6:00 am-8:35 pm

2 stops28h 05m

Colombo Bandaranaike Intl

Tue 9/30

4:30 pm-3:24 pm

2 stops33h 24m

$1,350

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Thu 7/31

1:16 pm-3:05 am

2 stops27h 19m

Colombo Bandaranaike Intl

Mon 9/29

3:35 am-8:23 pm

2 stops27h 18m

$1,501

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Mon 7/14

10:47 am-8:30 am

3 stops35h 13m

Colombo Bandaranaike Intl

Mon 8/4

5:05 pm-4:31 pm

3 stops33h 56m

$1,902

ChicagoColombo

MDW - CMB

MDWCMB

Chicago Midway

Fri 7/18

9:40 am-2:05 am

3 stops29h 55m

Colombo Bandaranaike Intl

Mon 7/21

10:05 pm-4:24 pm

3 stops28h 49m

$2,768

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 28 results
1
2
3

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 $1,818). 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 June 12, 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 June 12, 2025.
See what other customers who have flown with Korean Air, Emirates and Cathay Pacific 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
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

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
1,088 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

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
8.1
Very good
3,264 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

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
7.6
Good
892 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

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
3,584 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

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.
Etihad Airways
7.4
Good
1,211 reviews
Korean Air
8.4
Very good
1,088 reviews

Entertainment

8.2

Overall

8.4

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

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 IndiGo and Air India, with prices starting from $486 and $683, 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 Chicago Midway - 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 $1,818). 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?

Book flights to Illinois if you plan to visit one of these locations
Negombo

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Colombo

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Colombo flights
Los Angeles to Colombo flights
Dulles Intl to Colombo flights
Newark to Colombo flights
Hobby to Colombo flights
Reagan-National to Colombo flights
Dallas/Fort Worth to Colombo flights
LaGuardia to Colombo flights
O'Hare Intl to Colombo flights
Baltimore to Colombo flights
George Bush Intcntl to Colombo flights
Santa Ana to Colombo flights
Seattle to Colombo flights
Burbank to Colombo flights
San Francisco to Colombo flights
Denver to Colombo flights
Boston to Colombo flights
Detroit to Colombo flights
San Jose to Colombo flights
San Diego to Colombo flights
Minneapolis to Colombo flights
Miami to Colombo flights
Atlanta to Colombo flights
Raleigh to Colombo flights
Sky Harbor Intl to Colombo flights
Portland to Colombo flights
Austin to Colombo flights
Philadelphia to Colombo flights
Honolulu to Colombo flights
Orlando to Colombo flights
Eugene to Colombo flights
Charlotte to Colombo flights
Salt Lake City to Colombo flights
Omaha to Colombo flights
Fort Lauderdale to Colombo flights
Kansas City to Colombo flights
St. Louis to Colombo flights
Cleveland to Colombo flights
Wichita to Colombo flights
San Antonio to Colombo flights
Indianapolis to Colombo flights
Jacksonville to Colombo flights
Las Vegas to Colombo flights
Fort Myers to Colombo flights
New Orleans to Colombo flights
Pittsburgh to Colombo flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$711Average$843FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$816Average$923FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$986Average$1,431FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$1,013Average$1,568FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$1,025Average$1,348FlexibilityNo cancel feeOn-time71%
Etihad AirwaysCheapest$1,160Average$1,461FlexibilityNo cancel feeOn-time75%
IndiGoCheapest$1,199Average$1,322FlexibilityNo cancel feeOn-time80%
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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.