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$640+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — ORD
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 2, 2025.

Round-trip from

$1,004
(Gotogate)

One-way from

$640
(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 April 2, 2025.

This Gotogate deal was found by Cheapflights users on 4/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/111:05 pmCMB - ORD
2 stops40h 54mMultiple Airlines
Tue 9/237:05 pmORD - CMB
2 stops23h 20mMultiple Airlines
Deal found 4/1$1,004
This Qatar Airways deal was found by Cheapflights users on 4/1. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:35 amCMB - ORD
1 stop22h 00mQatar Airways
Tue 9/237:20 pmORD - CMB
1 stop21h 15mQatar Airways
Deal found 4/1$1,074
This Etihad Airways deal was found by Cheapflights users on 3/31. 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.
Thu 5/14:30 pmCMB - ORD
1 stop26h 45mEtihad Airways
Wed 5/71:55 pmORD - CMB
1 stop20h 15mEtihad Airways
Deal found 3/31$1,106
This SmartFares deal was found by Cheapflights users on 3/31. 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.
Thu 5/156:45 amCMB - ORD
1 stop37h 25mTurkish Airlines
Thu 5/2211:25 amORD - CMB
1 stop31h 20mTurkish Airlines
Deal found 3/31$1,107
This Gotogate deal was found by Cheapflights users on 4/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/111:05 pmCMB - ORD
2 stops36h 19mAir Canada
Tue 9/233:40 pmORD - CMB
3 stops26h 25mAir Canada
Deal found 4/1$1,152
This Emirates deal was found by Cheapflights users on 3/31. 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.
Wed 4/302:55 amCMB - ORD
1 stop23h 20mEmirates
Wed 5/78:35 pmORD - CMB
2 stops35h 25mEmirates
Deal found 3/31$1,450
This Singapore Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 8/2012:50 amCMB - ORD
2 stops29h 43mSingapore Airlines
Sun 8/3111:35 amORD - CMB
3 stops35h 30mSingapore Airlines
Deal found 3/31$2,116

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 2, 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

Thu 9/11

1:05 pm-7:29 pm

2 stops40h 54m

Chicago O'Hare Intl

Tue 9/23

7:05 pm-4:55 am

2 stops23h 20m

$1,004

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Wed 9/10

3:35 am-3:05 pm

1 stop22h 00m

Chicago O'Hare Intl

Tue 9/23

7:20 pm-3:05 am

1 stop21h 15m

$1,074

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Thu 5/1

4:30 pm-8:45 am

1 stop26h 45m

Chicago O'Hare Intl

Wed 5/7

1:55 pm-8:40 pm

1 stop20h 15m

$1,106

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Thu 5/15

6:45 am-9:40 am

1 stop37h 25m

Chicago O'Hare Intl

Thu 5/22

11:25 am-5:15 am

1 stop31h 20m

$1,107

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Thu 9/11

1:05 pm-2:54 pm

2 stops36h 19m

Chicago O'Hare Intl

Tue 9/23

3:40 pm-4:35 am

3 stops26h 25m

$1,152

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Wed 4/30

2:55 am-3:45 pm

1 stop23h 20m

Chicago O'Hare Intl

Wed 5/7

8:35 pm-6:30 pm

2 stops35h 25m

$1,450

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Wed 8/20

12:50 am-8:03 pm

2 stops29h 43m

Chicago O'Hare Intl

Sun 8/31

11:35 am-9:35 am

3 stops35h 30m

$2,116

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Sun 5/18

12:50 pm-5:55 pm

2 stops39h 35m

$640

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Sun 5/18

9:50 am-8:45 am

1 stop33h 25m

$670

ColomboChicago

CMB - ORD

CMBORD

Colombo Bandaranaike Intl

Sun 5/18

7:30 pm-2:25 pm

2 stops29h 25m

$685

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 2, 2025.
Singapore Airlines
8.1
Very good
1,288 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

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
1,288 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

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
3,193 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

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
841 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

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
3,540 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

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
1,184 reviews
Singapore Airlines
8.1
Very good
1,288 reviews

Crew

8.6

Comfort

7.9

Food

7.7

Boarding

8.2

Entertainment

8.0

Overall

8.1

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 $640 on IndiGo. Other airlines that offer cheap prices include Etihad Airways from $670 and Turkish Airlines from $691 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

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Alternative routes for Sri Lanka to Illinois

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Top 3 airlines flying from Sri Lanka to Illinois

Discover the top 3 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,083Average$1,316FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,174Average$1,528FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,371Average$1,411FlexibilityNo cancel feeOn-time75%

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