HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sri Lanka

$480+ Cheap flights from Illinois to Sri Lanka

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CMB
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Sri Lanka 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 Sri Lanka

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Sri Lanka (LK0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$941
(Trip.com)

One-way from

$480
(Kiwi.com)
From Illinois to Sri Lanka
Search Deals
One-way flight from Illinois to Sri Lanka
Search Deals

Find flight deals from Illinois to Sri Lanka

Cheapest flights from Illinois to Sri Lanka
Explore the most affordable flight options available from Illinois to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Trip.com deal was found by Cheapflights users on 1/21. 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.
Thu 3/611:55 amORD - CMB
1 stop30h 35mTurkish Airlines
Mon 3/177:15 amCMB - ORD
1 stop38h 25mTurkish Airlines
Deal found 1/21$941
This lol.travel deal was found by Cheapflights users on 1/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:05 pmORD - CMB
2 stops47h 00mMultiple Airlines
Tue 3/1111:40 pmCMB - ORD
2 stops52h 05mMultiple Airlines
Deal found 1/19$947
This lol.travel deal was found by Cheapflights users on 1/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/42:40 pmORD - CMB
1 stop45h 20mCathay Pacific
Mon 3/1012:45 amCMB - ORD
1 stop23h 45mCathay Pacific
Deal found 1/19$956
This Justfly.com deal was found by Cheapflights users on 1/21. 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 5/56:01 pmORD - CMB
2 stops28h 04mAir Canada
Tue 5/203:25 amCMB - ORD
2 stops27h 17mAir Canada
Deal found 1/21$985
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/53:10 pmSTL - CMB
2 stops24h 15mAmerican Airlines
Wed 3/124:25 amCMB - STL
2 stops28h 23mAmerican Airlines
Deal found 1/21$1,048
This Trip.com deal was found by Cheapflights users on 1/21. 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.
Fri 3/2812:00 pmORD - CMB
1 stop41h 35mAir India
Mon 4/148:20 amCMB - ORD
1 stop33h 35mAir India
Deal found 1/21$1,087
This FlightHub deal was found by Cheapflights users on 1/20. 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 8/289:00 pmORD - CMB
2 stops40h 05mSingapore Airlines
Mon 9/812:50 amCMB - ORD
2 stops27h 30mSingapore Airlines
Deal found 1/20$1,119
This oojo deal was found by Cheapflights users on 1/20. 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 4/147:40 pmORD - CMB
1 stop26h 50mQatar Airways
Sat 4/263:35 amCMB - ORD
1 stop22h 20mQatar Airways
Deal found 1/20$1,206
This Indian Eagle deal was found by Cheapflights users on 1/21. 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 5/68:35 pmORD - CMB
2 stops26h 25mEmirates
Wed 5/212:05 amCMB - ORD
1 stop24h 10mEmirates
Deal found 1/21$1,238
This Ovago deal was found by Cheapflights users on 1/20. 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.
Thu 1/301:10 pmORD - CMB
1 stop31h 50mEtihad Airways
Sun 2/94:20 amCMB - ORD
1 stop39h 35mEtihad Airways
Deal found 1/20$1,264
This SmartFares deal was found by Cheapflights users on 1/21. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/26:35 pmORD - CMB
1 stop30h 25mSriLankan Airlines
Tue 4/291:05 pmCMB - ORD
1 stop33h 15mSriLankan Airlines
Deal found 1/21$1,277
This Booking.com deal was found by Cheapflights users on 1/21. 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 3/78:30 pmORD - CMB
2 stops31h 00mIndiGo
Sun 3/234:00 pmCMB - ORD
2 stops38h 05mIndiGo
Deal found 1/21$1,279

Find flights from Illinois to Sri Lanka within your budget

Customize your flight search to find flights from Illinois to Sri Lanka 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Thu 3/6

11:55 am-6:00 am

1 stop30h 35m

Colombo Bandaranaike Intl

Mon 3/17

7:15 am-11:10 am

1 stop38h 25m

$941

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Tue 3/4

7:05 pm-5:35 am

2 stops47h 00m

Colombo Bandaranaike Intl

Tue 3/11

11:40 pm-5:15 pm

2 stops52h 05m

$947

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Tue 3/4

2:40 pm-11:30 pm

1 stop45h 20m

Colombo Bandaranaike Intl

Mon 3/10

12:45 am-2:00 pm

1 stop23h 45m

$956

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 5/5

6:01 pm-8:35 am

2 stops28h 04m

Colombo Bandaranaike Intl

Tue 5/20

3:25 am-8:12 pm

2 stops27h 17m

$985

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Wed 4/9

12:00 pm-4:05 pm

1 stop41h 35m

Colombo Bandaranaike Intl

Wed 4/23

8:20 am-7:25 am

1 stop33h 35m

$1,028

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Wed 3/5

3:10 pm-2:55 am

2 stops24h 15m

Colombo Bandaranaike Intl

Wed 3/12

4:25 am-10:18 pm

2 stops28h 23m

$1,048

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 4/14

7:40 pm-9:00 am

1 stop26h 50m

Colombo Bandaranaike Intl

Sat 4/26

3:35 am-3:25 pm

1 stop22h 20m

$1,206

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Tue 5/6

8:35 pm-9:30 am

2 stops26h 25m

Colombo Bandaranaike Intl

Wed 5/21

2:05 am-3:45 pm

1 stop24h 10m

$1,238

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Sun 2/2

6:35 pm-12:30 pm

1 stop30h 25m

Colombo Bandaranaike Intl

Tue 4/29

1:05 pm-11:50 am

1 stop33h 15m

$1,277

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Fri 3/7

8:30 pm-3:00 pm

2 stops31h 00m

Colombo Bandaranaike Intl

Sun 3/23

4:00 pm-7:35 pm

2 stops38h 05m

$1,279

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 29 results
1
2
3

Best time to book a flight from Illinois to Sri Lanka

Have a flexible travel schedule? Discover the best time to fly to Sri Lanka 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.

Travel insights for flights from Illinois to Sri Lanka

Get recent, data-driven insights about flights from Illinois to Sri Lanka including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to Sri Lanka?

Currently, September is the cheapest month in which you can book a flight from Illinois to Sri Lanka (average of $1,049). Flying from Illinois to Sri Lanka 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 LK?

Find hourly flight availability from Illinois to Sri Lanka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

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

Rainfall in Sri Lanka by month

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

In terms of precipitation, rainfall in Sri Lanka 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 Sri Lanka when rainfall is around 2.4 in.

Temperature in Sri Lanka by month

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

If weather is an important factor for your trip to Sri Lanka, 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 Sri Lanka

Get insights into the airlines that provide service to Sri Lanka. 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 Sri Lanka. Reviews last updated January 21, 2025.
See what other customers who have flown with Emirates, Air Canada and Qatar Airways from Illinois to Sri Lanka have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates
8.1
Very good
3,360 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Qatar Airways
7.5
Good
3,752 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

SWISS
7.5
Good
1,600 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Cathay Pacific
7.5
Good
830 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Sri Lanka. 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 Sri Lanka one-way?

    The cheapest airlines for a one-way flight from Illinois to Sri Lanka are Air India ($518), IndiGo ($608), and Qatar Airways ($617).

  • Can I find deals for flights from Illinois to Sri Lanka that include hotel bookings?

    Yes. In addition to deals on Illinois to Sri Lanka flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Sri Lanka?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Sri Lanka.

  • Can I find deals for business class flights from Illinois to Sri Lanka?

    Yes. Cheapflights offers flight deals from Illinois to Sri Lanka 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 Sri Lanka?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Sri Lanka (average of $1,049). Flying from Illinois to Sri Lanka 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

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 Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
John F Kennedy Intl to Haneda flights
Los Angeles to Narita flights
Newark to Narita flights
Newark to Haneda flights
San Francisco to Haneda flights
Seattle to Narita flights
Seattle to Haneda flights
San Francisco to Narita flights
Los Angeles to Manila flights
John F Kennedy Intl to Narita flights
Dallas/Fort Worth to Narita flights
John F Kennedy Intl to Suvarnabhumi flights
Dallas/Fort Worth to Haneda flights
O'Hare Intl to Narita flights
O'Hare Intl to Haneda flights
San Francisco to Manila flights
Los Angeles to Suvarnabhumi flights
San Francisco to New Delhi flights
LaGuardia to Narita flights
Newark to New Delhi flights
Dulles Intl to Haneda flights
LaGuardia to Haneda flights
Ontario to Narita flights
John F Kennedy Intl to New Delhi flights
Hobby to Narita flights
Hobby to Haneda flights
Los Angeles to Incheon Intl flights
Atlanta to Haneda flights
Boston to Narita flights
Ontario to Haneda flights
John F Kennedy Intl to Incheon Intl flights
John F Kennedy Intl to Hong Kong flights
Newark to Suvarnabhumi flights
Seattle to Suvarnabhumi flights
Los Angeles to Taiwan Taoyuan Intl flights
George Bush Intcntl to Haneda flights
San Francisco to Hong Kong flights
Dulles Intl to Narita flights
Denver to Narita flights
LaGuardia to Suvarnabhumi flights
George Bush Intcntl to Narita flights
John F Kennedy Intl to Hongqiao Intl flights
San Francisco to Suvarnabhumi flights
O'Hare Intl to Suvarnabhumi flights
Dallas/Fort Worth to Incheon Intl flights
Los Angeles to Ho Chi Minh City flights
John F Kennedy Intl to Manila flights
LaGuardia to New Delhi flights
San Francisco to Taiwan Taoyuan Intl flights

Top 8 airlines flying from Illinois to Sri Lanka

Discover the top 8 airlines that operate flights from Illinois to Sri Lanka. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$816Average$922FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$1,025Average$1,411FlexibilityNo cancel feeOn-time71%
Air IndiaCheapest$1,040Average$1,218FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$1,142Average$1,594FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,170Average$1,499FlexibilityNo cancel feeOn-time68%
SriLankan AirlinesCheapest$1,253Average$1,691FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,339Average$1,832FlexibilityNo 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.