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$691+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — ORD
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Round-trip from

$948
(Expedia)

One-way from

$691
(Booking.com)
From Sri Lanka to Illinois
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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 April 24, 2025.

This Expedia deal was found by Cheapflights users on 4/22. 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.
Tue 6/1710:05 amCMB - ORD
2 stops37h 20mMultiple Airlines
Mon 9/87:05 pmORD - CMB
2 stops23h 20mMultiple Airlines
Deal found 4/22$948
This Cathay Pacific deal was found by Cheapflights users on 4/23. 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 4/23$1,058
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Tue 6/176:45 amCMB - ORD
1 stop37h 25mTurkish Airlines
Mon 9/87:50 pmORD - CMB
1 stop22h 55mTurkish Airlines
Deal found 4/22$1,064
This Etihad Airways deal was found by Cheapflights users on 4/22. 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 6/169:50 amCMB - ORD
1 stop33h 25mEtihad Airways
Mon 7/211:55 pmORD - CMB
1 stop20h 15mEtihad Airways
Deal found 4/22$1,106
This Air Canada deal was found by Cheapflights users on 4/23. 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 8/41:05 pmCMB - ORD
2 stops36h 29mAir Canada
Sun 8/103:35 pmORD - CMB
2 stops34h 40mAir Canada
Deal found 4/23$1,269
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Sun 6/152:05 amCMB - ORD
1 stop24h 10mEmirates
Mon 7/218:35 pmORD - CMB
1 stop39h 05mEmirates
Deal found 4/22$1,401
This Singapore Airlines deal was found by Cheapflights users on 4/23. 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 stops57h 05mSingapore Airlines
Thu 7/317:18 pmORD - CMB
2 stops41h 47mSingapore Airlines
Deal found 4/23$2,166
This Qatar Airways deal was found by Cheapflights users on 4/23. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/33:35 amCMB - ORD
2 stops30h 20mQatar Airways
Sun 8/104:56 pmORD - CMB
2 stops23h 39mQatar Airways
Deal found 4/23$2,225
This Gulf Air deal was found by Cheapflights users on 4/22. 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 Gulf Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/165:25 pmCMB - ORD
3 stops58h 05mGulf Air
Mon 7/215:45 pmORD - CMB
3 stops29h 15mGulf Air
Deal found 4/22$2,718

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 April 24, 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

Tue 6/17

10:05 am-12:55 pm

2 stops37h 20m

Chicago O'Hare Intl

Mon 9/8

7:05 pm-4:55 am

2 stops23h 20m

$948

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

$1,058

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Tue 6/17

6:45 am-9:40 am

1 stop37h 25m

Chicago O'Hare Intl

Mon 9/8

7:50 pm-5:15 am

1 stop22h 55m

$1,064

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Mon 6/16

9:50 am-8:45 am

1 stop33h 25m

Chicago O'Hare Intl

Mon 7/21

1:55 pm-8:40 pm

1 stop20h 15m

$1,106

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Mon 8/4

1:05 pm-3:04 pm

2 stops36h 29m

Chicago O'Hare Intl

Sun 8/10

3:35 pm-12:45 pm

2 stops34h 40m

$1,269

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Sun 6/15

2:05 am-3:45 pm

1 stop24h 10m

Chicago O'Hare Intl

Mon 7/21

8:35 pm-10:10 pm

1 stop39h 05m

$1,401

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Thu 7/24

12:50 am-11:25 pm

3 stops57h 05m

Chicago O'Hare Intl

Thu 7/31

7:18 pm-11:35 pm

2 stops41h 47m

$2,166

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Sun 8/3

3:35 am-11:25 pm

2 stops30h 20m

Chicago O'Hare Intl

Sun 8/10

4:56 pm-3:05 am

2 stops23h 39m

$2,225

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Mon 6/16

5:25 pm-5:00 pm

3 stops58h 05m

Chicago O'Hare Intl

Mon 7/21

5:45 pm-9:30 am

3 stops29h 15m

$2,718

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Tue 8/19

12:50 pm-5:55 pm

2 stops39h 35m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 17 results
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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 April 24, 2025.
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very good
1,290 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Emirates
8.0
Very good
3,205 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
850 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,561 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Etihad Airways
7.4
Good
1,202 reviews
Singapore Airlines
8.1
Very good
1,290 reviews

Crew

8.6

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 $691 on IndiGo. Other airlines that offer cheap prices include Etihad Airways from $817 and Cathay Pacific from $852 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

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Alternative routes for Sri Lanka to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,021Average$1,290FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$1,083Average$1,140FlexibilityNo cancel feeOn-time75%

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