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$424+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CMB
מאי 6 — מאי 131
ג' 5/6
ג' 5/13
1 adult, Economy
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Cheap flight deals from Illinois to Sri Lanka

Keep the following information in mind while searching for Illinois to Sri Lanka flight deals. Data was last updated מאי 1, 2025.

Round-trip from

$948
(Gotogate)

One-way from

$572
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,725
From Illinois to Sri Lanka
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One-way flight from Illinois to Sri Lanka
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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 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 מאי 1, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 8/294:00 pmORD - CMB
1 stop45h 00mCathay Pacific
א' 9/1412:50 amCMB - ORD
1 stop24h 05mCathay Pacific
Deal found 4/30$798
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 5/153:35 pmORD - CMB
2 stops30h 45mMultiple Airlines
ש' 6/143:25 amCMB - ORD
3 stops40h 15mMultiple Airlines
Deal found 4/30$948
This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ב' 9/297:50 pmORD - CMB
1 stop22h 55mTurkish Airlines
ו' 10/1710:15 pmCMB - ORD
1 stop21h 55mTurkish Airlines
Deal found 5/1$986
This Justfly.com deal was found by Cheapflights users on 5/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ב' 9/293:35 pmORD - CMB
2 stops34h 40mAir Canada
ה' 10/163:25 amCMB - ORD
2 stops40h 56mAir Canada
Deal found 5/1$1,002
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 8/297:50 pmORD - CMB
2 stops29h 30mIndiGo
ב' 9/1512:50 pmCMB - ORD
2 stops39h 35mIndiGo
Deal found 4/30$1,087
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.
ו' 8/2912:00 pmORD - CMB
1 stop41h 35mAir India
ב' 9/158:20 amCMB - ORD
1 stop33h 35mAir India
Deal found 4/30$1,138
This oojo deal was found by Cheapflights users on 5/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ד' 10/18:00 amORD - CMB
2 stops32h 35mQatar Airways
ב' 10/133:35 amCMB - ORD
1 stop22h 00mQatar Airways
Deal found 5/1$1,250
This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ב' 9/291:35 pmORD - CMB
3 stops47h 30mSingapore Airlines
ו' 10/1712:50 amCMB - ORD
2 stops27h 30mSingapore Airlines
Deal found 5/1$1,264
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.
ב' 9/298:35 pmORD - CMB
1 stop25h 30mEmirates
ו' 10/178:35 pmCMB - ORD
2 stops29h 40mEmirates
Deal found 4/30$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.
ב' 8/41:55 pmORD - CMB
1 stop32h 05mEtihad Airways
ה' 8/284:05 amCMB - ORD
1 stop39h 10mEtihad Airways
Deal found 4/30$1,298
This Vakatrip deal was found by Cheapflights users on 5/1. 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 Vakatrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 6/58:30 pmORD - CMB
1 stop29h 45mSriLankan Airlines
ה' 6/121:05 pmCMB - ORD
1 stop33h 20mSriLankan Airlines
Deal found 5/1$1,474
This Air Canada deal was found by Cheapflights users on 5/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ד' 5/282:30 pmSTL - CMB
2 stops31h 35mAir Canada
ד' 7/301:05 pmCMB - STL
2 stops41h 25mAir Canada
Deal found 5/1$1,491

Cheapflights Fare Finder

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 מאי 1, 2025.
Use the filters below to find and compare flights from Illinois to Sri Lanka that are best for you.

Fly from

Illinois

Fly to

Sri Lanka

Route

Depart

Return

Price

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ו' 8/29

4:00 pm-11:30 pm

1 stop45h 00m

Colombo Bandaranaike Intl

א' 9/14

12:50 am-2:25 pm

1 stop24h 05m

$798

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ה' 5/15

3:35 pm-8:50 am

2 stops30h 45m

Colombo Bandaranaike Intl

ש' 6/14

3:25 am-9:10 am

3 stops40h 15m

$948

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ב' 9/29

7:50 pm-5:15 am

1 stop22h 55m

Colombo Bandaranaike Intl

ו' 10/17

10:15 pm-9:40 am

1 stop21h 55m

$986

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ב' 9/29

3:35 pm-12:45 pm

2 stops34h 40m

Colombo Bandaranaike Intl

ה' 10/16

3:25 am-9:51 am

2 stops40h 56m

$1,002

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ו' 8/29

7:50 pm-11:50 am

2 stops29h 30m

Colombo Bandaranaike Intl

ב' 9/15

12:50 pm-5:55 pm

2 stops39h 35m

$1,087

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ו' 8/29

12:00 pm-4:05 pm

1 stop41h 35m

Colombo Bandaranaike Intl

ב' 9/15

8:20 am-7:25 am

1 stop33h 35m

$1,138

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ד' 10/1

8:00 am-3:05 am

2 stops32h 35m

Colombo Bandaranaike Intl

ב' 10/13

3:35 am-3:05 pm

1 stop22h 00m

$1,250

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ב' 9/29

1:35 pm-11:35 pm

3 stops47h 30m

Colombo Bandaranaike Intl

ו' 10/17

12:50 am-5:50 pm

2 stops27h 30m

$1,264

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ב' 9/29

8:35 pm-8:35 am

1 stop25h 30m

Colombo Bandaranaike Intl

ו' 10/17

8:35 pm-3:45 pm

2 stops29h 40m

$1,278

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

ב' 8/4

1:55 pm-8:30 am

1 stop32h 05m

Colombo Bandaranaike Intl

ה' 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 28 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Sri Lanka

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 מאי 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 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 מאי 1, 2025.
See what other customers who have flown with Korean Air, Emirates and Cathay Pacific 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
8.4
Very good
1,069 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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
1,069 reviews
Korean Air
8.4
Very good
1,069 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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
3,217 reviews
Korean Air
8.4
Very good
1,069 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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
1,069 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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
3,564 reviews
Korean Air
8.4
Very good
1,069 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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
1,204 reviews
Korean Air
8.4
Very good
1,069 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

Overall

8.4

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 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 Qatar Airways ($615), IndiGo ($723), and Gulf Air ($819).

  • 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

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Alternative routes for Illinois to Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Illinois to Sri Lanka

Discover the top 9 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 מאי 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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