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$559+ Cheap flights from Sri Lanka to Illinois

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — ORD
Jun 18 — Jun 251
Wed 6/18
Wed 6/25
1 adult, Economy
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Cheap flight deals from Sri Lanka to Illinois

Keep the following information in mind while searching for Sri Lanka to Illinois flight deals. Data was last updated June 13, 2025.

Round-trip from

$1,101
(Etihad Airways)

One-way from

$559
(Booking.com)
From Sri Lanka to Illinois
Search Deals
One-way flight from Sri Lanka to Illinois
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Find flight deals from Sri Lanka to Illinois

Cheapest flights from Sri Lanka to Illinois
Explore the most affordable flight options available from Sri Lanka to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2025.

This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/44:30 pmCMB - ORD
1 stop26h 45mEtihad Airways
Sun 8/101:55 pmORD - CMB
1 stop32h 05mEtihad Airways
Deal found 6/11$1,101
This oojo deal was found by Cheapflights users on 6/13. 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 7/288:20 amCMB - ORD
2 stops36h 25mAir India
Mon 8/412:15 pmORD - CMB
1 stop32h 35mAir India
Deal found 6/13$1,121
This Booking.com deal was found by Cheapflights users on 6/13. 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.
Mon 7/289:55 pmCMB - ORD
2 stops46h 15mIndiGo
Mon 8/411:25 amORD - CMB
2 stops34h 50mIndiGo
Deal found 6/13$1,188
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:05 pmCMB - ORD
3 stops27h 40mMultiple Airlines
Tue 7/87:50 pmORD - CMB
2 stops26h 25mMultiple Airlines
Deal found 6/11$1,252
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.
Tue 6/243:25 amCMB - ORD
2 stops40h 51mAir Canada
Wed 7/28:25 pmORD - CMB
2 stops46h 10mAir Canada
Deal found 6/12$1,329
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/222:05 amCMB - ORD
1 stop24h 10mEmirates
Tue 7/88:35 pmORD - CMB
1 stop39h 05mEmirates
Deal found 6/11$1,396
This Cathay Pacific 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:50 amCMB - ORD
1 stop24h 05mCathay Pacific
Thu 7/314:00 pmORD - CMB
1 stop45h 00mCathay Pacific
Deal found 6/11$1,528
This Singapore Airlines 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:50 amCMB - ORD
3 stops56h 08mSingapore Airlines
Thu 7/3112:06 pmORD - CMB
3 stops48h 59mSingapore Airlines
Deal found 6/12$2,500
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/103:35 amCMB - ORD
2 stops28h 17mQatar Airways
Sun 12/216:55 pmORD - CMB
1 stop19h 30mQatar Airways
Deal found 6/12$2,548
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:25 pmCMB - ORD
3 stops29h 00mGulf Air
Sun 8/107:25 pmORD - CMB
3 stops51h 35mGulf Air
Deal found 6/11$2,719
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/103:35 amCMB - ORD
2 stops26h 29mAmerican Airlines
Sun 12/213:00 pmORD - CMB
2 stops23h 25mAmerican Airlines
Deal found 6/11$2,781

Cheapflights Fare Finder

Customize your flight search to find flights from Sri Lanka to Illinois 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 13, 2025.
Use the filters below to find and compare flights from Sri Lanka to Illinois that are best for you.

Fly from

Sri Lanka

Fly to

Illinois

Route

Depart

Return

Price

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Mon 8/4

4:30 pm-8:45 am

1 stop26h 45m

Chicago O'Hare Intl

Sun 8/10

1:55 pm-8:30 am

1 stop32h 05m

$1,101

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Mon 7/28

8:20 am-10:15 am

2 stops36h 25m

Chicago O'Hare Intl

Mon 8/4

12:15 pm-7:20 am

1 stop32h 35m

$1,121

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Mon 7/28

9:55 pm-9:40 am

2 stops46h 15m

Chicago O'Hare Intl

Mon 8/4

11:25 am-8:45 am

2 stops34h 50m

$1,188

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Mon 6/23

5:05 pm-10:15 am

3 stops27h 40m

Chicago O'Hare Intl

Tue 7/8

7:50 pm-8:45 am

2 stops26h 25m

$1,252

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Tue 6/24

3:25 am-9:46 am

2 stops40h 51m

Chicago O'Hare Intl

Wed 7/2

8:25 pm-5:05 am

2 stops46h 10m

$1,329

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Thu 7/24

12:50 am-2:25 pm

1 stop24h 05m

Chicago O'Hare Intl

Thu 7/31

4:00 pm-11:30 pm

1 stop45h 00m

$1,528

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Fri 7/25

8:35 pm-3:45 pm

2 stops29h 40m

Chicago O'Hare Intl

Thu 7/31

8:35 pm-6:30 pm

2 stops35h 25m

$1,531

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Thu 7/24

12:50 am-10:28 pm

3 stops56h 08m

Chicago O'Hare Intl

Thu 7/31

12:06 pm-11:35 pm

3 stops48h 59m

$2,500

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Sun 8/10

3:35 am-9:22 pm

2 stops28h 17m

Chicago O'Hare Intl

Sun 12/21

6:55 pm-1:55 am

1 stop19h 30m

$2,548

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Mon 8/4

5:25 pm-11:55 am

3 stops29h 00m

Chicago O'Hare Intl

Sun 8/10

7:25 pm-9:30 am

3 stops51h 35m

$2,719

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 21 results
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2
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Best time to book a flight from Sri Lanka to Illinois

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

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 13, 2025.
Read reviews from past customers who have flown Emirates, Singapore Airlines and Cathay Pacific from Sri Lanka to Illinois. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,265 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.1
Very good
3,265 reviews
Emirates
8.1
Very good
3,265 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Singapore Airlines
8.1
Very good
1,304 reviews
Emirates
8.1
Very good
3,265 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Cathay Pacific
7.6
Good
892 reviews
Emirates
8.1
Very good
3,265 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Qatar Airways
7.4
Good
3,584 reviews
Emirates
8.1
Very good
3,265 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Etihad Airways
7.4
Good
1,211 reviews
Emirates
8.1
Very good
3,265 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

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

    One-way options have recently been found by users for as low as $559 on IndiGo. Other airlines that offer cheap prices include Etihad Airways from $670 and Turkish Airlines from $675 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Sri Lanka to Illinois (average of $245). Flying from Sri Lanka to Illinois in March is currently the most expensive (average of $321). 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.

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Top 2 airlines flying from Sri Lanka to Illinois

Discover the top 2 airlines that operate flights from Sri Lanka to Illinois. 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 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,021Average$1,290FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$1,058Average$1,129FlexibilityNo cancel feeOn-time75%

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