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Cheap flights from Illinois to Sri Lanka from $358

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Sri Lanka departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Illinois to Sri Lanka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air India Logo
2:30 pm - 7:20 am
ORD
-
CMB
30h 20m1 stop
Air India Logo
8:00 am - 11:10 am
CMB
-
ORD
37h 40m2 stops
$757Air India
Sun, Mar 8 - Tue, Mar 31
Cathay Pacific Logo
3:35 pm - 11:30 pm
ORD
-
CMB
45h 25m1 stop
Cathay Pacific Logo
1:10 am - 2:25 pm
CMB
-
ORD
23h 45m1 stop
$775Cathay Pacific
Sun, Mar 8 - Mon, Mar 30
Multiple Airlines Logo
2:35 pm - 11:30 pm
ORD
-
CMB
45h 25m1 stop
Multiple Airlines Logo
12:45 am - 7:36 pm
CMB
-
ORD
30h 21m2 stops
$826Multiple Airlines
Mon, Jan 19 - Tue, Feb 3
Qatar Airways Logo
11:13 am - 3:05 am
BMI
-
CMB
29h 22m2 stops
Qatar Airways Logo
8:15 pm - 8:31 pm
CMB
-
BMI
34h 46m2 stops
$1,172Qatar Airways
Thu, Apr 30 - Mon, May 4
Etihad Airways Logo
8:31 am - 2:50 am
STL
-
CMB
30h 49m2 stops
Etihad Airways Logo
9:50 am - 6:11 pm
CMB
-
STL
43h 51m2 stops
$1,217Etihad Airways
Tue, Feb 10 - Tue, Mar 3
Etihad Airways Logo
6:46 pm - 8:15 pm
STL
-
CMB
37h 59m2 stops
Etihad Airways Logo
4:30 pm - 1:54 pm
CMB
-
STL
32h 54m2 stops
$1,223Etihad Airways
Tue, Feb 10 - Tue, Mar 3
Qatar Airways Logo
7:00 am - 3:05 am
STL
-
CMB
33h 35m2 stops
Qatar Airways Logo
3:15 am - 11:55 pm
CMB
-
STL
31h 10m2 stops
$1,452Qatar Airways
Sat, Apr 25 - Tue, Apr 28
Multiple Airlines Logo
4:05 pm - 6:25 pm
STL
-
CMB
38h 50m3 stops
Multiple Airlines Logo
9:55 am - 3:29 pm
CMB
-
STL
41h 04m2 stops
$1,558Multiple Airlines
Tue, Feb 10 - Tue, Mar 3
Emirates Logo
3:11 pm - 8:20 am
STL
-
CMB
29h 39m2 stops
Emirates Logo
8:15 pm - 10:14 pm
CMB
-
STL
37h 29m3 stops
$1,699Emirates
Tue, Feb 10 - Tue, Mar 3
Emirates Logo
3:15 pm - 10:15 am
STL
-
CMB
32h 30m3 stops
Emirates Logo
2:05 am - 9:08 pm
CMB
-
STL
29h 33m2 stops
$1,794Emirates
Sat, Apr 25 - Tue, Apr 28

Air India flights from Illinois to Sri Lanka

Our best Air India deals on Illinois to Sri Lanka flight tickets
Air India
Mar 8
ORD2:30 pmChicago O'Hare Intl
30h 20m
1 stop
CMB7:20 amColombo Bandaranaike Intl
Mar 31
CMB8:00 amColombo Bandaranaike Intl
37h 40m
2 stops
ORD11:10 amChicago O'Hare Intl
$757
Find similar
Air India
Feb 8
ORD1:30 pmChicago O'Hare Intl
30h 20m
1 stop
CMB7:20 amColombo Bandaranaike Intl
Feb 15
CMB8:20 amColombo Bandaranaike Intl
38h 40m
2 stops
ORD11:30 amChicago O'Hare Intl
$854
Find similar
Air India
Mar 13
ORD2:30 pmChicago O'Hare Intl
39h 05m
1 stop
CMB4:05 pmColombo Bandaranaike Intl
Mar 29
CMB8:00 amColombo Bandaranaike Intl
37h 40m
2 stops
ORD11:10 amChicago O'Hare Intl
$858
Find similar

Cathay Pacific flights from Illinois to Sri Lanka

Our best Cathay Pacific deals on Illinois to Sri Lanka flight tickets
Cathay Pacific
Mar 8
ORD3:35 pmChicago O'Hare Intl
45h 25m
1 stop
CMB11:30 pmColombo Bandaranaike Intl
Mar 30
CMB1:10 amColombo Bandaranaike Intl
23h 45m
1 stop
ORD2:25 pmChicago O'Hare Intl
$775
Find similar
Cathay Pacific
Jan 11
ORD2:35 pmChicago O'Hare Intl
45h 25m
1 stop
CMB11:30 pmColombo Bandaranaike Intl
Mar 30
CMB1:10 amColombo Bandaranaike Intl
23h 45m
1 stop
ORD2:25 pmChicago O'Hare Intl
$798
Find similar
Cathay Pacific
Jan 12
ORD2:35 pmChicago O'Hare Intl
45h 25m
1 stop
CMB11:30 pmColombo Bandaranaike Intl
Mar 10
CMB12:45 amColombo Bandaranaike Intl
23h 40m
1 stop
ORD1:55 pmChicago O'Hare Intl
$807
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 22, 2025.
Use the filters below to find and compare flights from Illinois to Sri Lanka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Sun 3/8

2:30 pm-7:20 am

1 stop30h 20m

Colombo Bandaranaike Intl

Tue 3/31

8:00 am-11:10 am

2 stops37h 40m

$757

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Sun 3/8

3:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Mon 3/30

1:10 am-2:25 pm

1 stop23h 45m

$775

ChicagoColombo

ORD - CMB

ORDCMB

Chicago O'Hare Intl

Mon 1/19

2:35 pm-11:30 pm

1 stop45h 25m

Colombo Bandaranaike Intl

Tue 2/3

12:45 am-7:36 pm

2 stops30h 21m

$826

BloomingtonColombo

BMI - CMB

BMICMB

Bloomington-Normal

Thu 4/30

11:13 am-3:05 am

2 stops29h 22m

Colombo Bandaranaike Intl

Mon 5/4

8:15 pm-8:31 pm

2 stops34h 46m

$1,172

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

8:31 am-2:50 am

2 stops30h 49m

Colombo Bandaranaike Intl

Tue 3/3

9:50 am-6:11 pm

2 stops43h 51m

$1,217

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

6:46 pm-8:15 pm

2 stops37h 59m

Colombo Bandaranaike Intl

Tue 3/3

4:30 pm-1:54 pm

2 stops32h 54m

$1,223

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 4/25

7:00 am-3:05 am

2 stops33h 35m

Colombo Bandaranaike Intl

Tue 4/28

3:15 am-11:55 pm

2 stops31h 10m

$1,452

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

4:05 pm-6:25 pm

3 stops38h 50m

Colombo Bandaranaike Intl

Tue 3/3

9:55 am-3:29 pm

2 stops41h 04m

$1,558

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Tue 2/10

3:11 pm-8:20 am

2 stops29h 39m

Colombo Bandaranaike Intl

Tue 3/3

8:15 pm-10:14 pm

3 stops37h 29m

$1,699

St. LouisColombo

STL - CMB

STLCMB

Lambert-St Louis

Sat 4/25

3:15 pm-10:15 am

3 stops32h 30m

Colombo Bandaranaike Intl

Tue 4/28

2:05 am-9:08 pm

2 stops29h 33m

$1,794

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sri Lanka from

How to get the cheapest flight ticket from Illinois to Sri Lanka

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sri Lanka?

The month of October is, on average, the cheapest month to fly to Sri Lanka from Illinois, with most prices found around $938. If you aren’t able to travel to Sri Lanka during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,056.

What is the cheapest day to depart on your flight to Sri Lanka?

Our data shows that Thursday is the least expensive day to fly to Sri Lanka. Tickets to fly out on this day can be as low as $1,391. Flights from Illinois to Sri Lanka on a Wednesday will generally be more expensive and average around $1,510. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sri Lanka?

At noon is the cheapest time of day to fly from Illinois to Sri Lanka when you can find flight prices for as low as $1,473. Flying to Sri Lanka at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sri Lanka, so prices are often more expensive at around $1,578 per ticket.

How far in advance should I book a flight to Sri Lanka?

You are more likely to see cheaper flights to Sri Lanka from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Sri Lanka for around $1,331 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sri Lanka from Illinois for as low as $906 on momondo.

Can stopping save me money on Illinois to Sri Lanka flights?

You could potentially save up to 6% on your flight if you consider stops on a Illinois to Sri Lanka flight.

Cheap Illinois to Sri Lanka flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Sri Lanka

Fastest flight time

19h 35m

Direct flights

None
The fastest flight from Illinois to Sri Lanka takes 19h 35m
There are no direct flights from Illinois to Sri Lanka. There are no popular flight routes from Illinois to Sri Lanka.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Sri Lanka?

    Prices for flights from Illinois to Sri Lanka were last updated today.

  • How many operators does momondo search for flights from Illinois to Sri Lanka?

  • How old do you have to be to fly from Illinois to Sri Lanka?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Sri Lanka.

  • What documentation or ID do you need to fly to Sri Lanka?

    The travel and health documents you'll need for your trip to Sri Lanka may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sri Lanka. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Sri Lanka

Compare and see reviews for airlines that fly from Illinois to Sri Lanka with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $607Free CancellationRating
7.6
1,103 reviews
Search Cathay Pacific flights
Air IndiaPriceFrom $799Free CancellationRating
5.5
2,956 reviews
Search Air India flights
Turkish AirlinesPriceFrom $909Free CancellationRating
7.3
4,112 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $954Free CancellationRating
7.4
3,686 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $959Free CancellationRating
7.4
1,336 reviews
Search Etihad Airways flights
Air CanadaPriceFrom $1,013Free CancellationRating
7.1
10,551 reviews
Search Air Canada flights
SriLankan AirlinesPriceFrom $1,124Free CancellationRating
6.9
77 reviews
Search SriLankan Airlines flights
EmiratesPriceFrom $1,183Free CancellationRating
8.1
3,442 reviews
Search Emirates flights
IndiGoPriceFrom $1,205Free CancellationRating
6.8
510 reviews
Search IndiGo flights
JetBluePriceFrom $1,593Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Sri Lanka?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Sri Lanka for you.

Can I find flights from Illinois to Sri Lanka with flexible booking policies on momondo?

Flights from Illinois to Sri Lanka with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to Sri Lanka?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to Sri Lanka.

I’m not ready to book a flight from Illinois to Sri Lanka right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Illinois to Sri Lanka flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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