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Cheap flights from Illinois to Sylhet from $1,334

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Sylhet departing on 8/14. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Sylhet

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:25 pm - 4:00 pm
ORD
-
ZYL
32h 35m
2 stops
Multiple Airlines Logo
10:10 pm - 8:35 am
ZYL
-
ORD
45h 25m
2 stops
$1,334Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
7:20 pm - 2:45 pm
ORD
-
ZYL
56h 25m
2 stops
Multiple Airlines Logo
8:25 pm - 3:05 pm
ZYL
-
ORD
53h 40m
2 stops
$1,402Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
11:25 am - 2:45 pm
ORD
-
ZYL
40h 20m
2 stops
Multiple Airlines Logo
8:25 pm - 9:40 am
ZYL
-
ORD
48h 15m
2 stops
$1,483Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
7:20 pm - 2:45 pm
ORD
-
ZYL
56h 25m
2 stops
Multiple Airlines Logo
9:25 am - 3:05 pm
ZYL
-
ORD
40h 40m
2 stops
$1,485Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
8:10 pm - 11:50 am
ORD
-
ZYL
28h 40m
2 stops
Multiple Airlines Logo
3:10 pm - 9:40 am
ZYL
-
ORD
53h 30m
2 stops
$1,487Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
8:10 pm - 11:50 am
ORD
-
ZYL
28h 40m
2 stops
Multiple Airlines Logo
3:10 pm - 9:40 am
ZYL
-
ORD
53h 30m
2 stops
$1,577Multiple Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
7:20 pm - 11:50 am
ORD
-
ZYL
53h 30m
2 stops
Multiple Airlines Logo
3:10 pm - 3:05 pm
ZYL
-
ORD
58h 55m
2 stops
$1,609Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
7:20 pm - 11:50 am
ORD
-
ZYL
53h 30m
2 stops
Multiple Airlines Logo
10:05 am - 3:05 pm
ZYL
-
ORD
40h 00m
2 stops
$1,615Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
7:20 pm - 2:45 pm
ORD
-
ZYL
56h 25m
2 stops
Multiple Airlines Logo
4:30 pm - 4:10 pm
ZYL
-
ORD
34h 40m
3 stops
$1,635Multiple Airlines
Sun, Aug 16 - Sun, Aug 23
Multiple Airlines Logo
11:25 am - 2:45 pm
ORD
-
ZYL
40h 20m
2 stops
Multiple Airlines Logo
12:15 pm - 4:10 pm
ZYL
-
ORD
38h 55m
3 stops
$1,676Multiple Airlines
Fri, Aug 14 - Fri, Aug 21

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Customize your flight search to find flights from Illinois to Sylhet 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 July 4, 2026.
Use the filters below to find and compare flights from Illinois to Sylhet that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Fri 8/14

8:25 pm-4:00 pm

2 stops32h 35m

Sylhet Osmani Intl

Fri 8/21

10:10 pm-8:35 am

2 stops45h 25m

$1,334

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Mon 8/17

7:20 pm-2:45 pm

2 stops56h 25m

Sylhet Osmani Intl

Mon 8/24

8:25 pm-3:05 pm

2 stops53h 40m

$1,402

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Fri 8/14

11:25 am-2:45 pm

2 stops40h 20m

Sylhet Osmani Intl

Fri 8/21

8:25 pm-9:40 am

2 stops48h 15m

$1,483

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Mon 8/17

7:20 pm-2:45 pm

2 stops56h 25m

Sylhet Osmani Intl

Mon 8/24

9:25 am-3:05 pm

2 stops40h 40m

$1,485

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Fri 8/14

8:10 pm-11:50 am

2 stops28h 40m

Sylhet Osmani Intl

Fri 8/21

3:10 pm-9:40 am

2 stops53h 30m

$1,487

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Sat 8/15

8:10 pm-11:50 am

2 stops28h 40m

Sylhet Osmani Intl

Sat 8/22

3:10 pm-9:40 am

2 stops53h 30m

$1,577

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Fri 8/14

7:20 pm-11:50 am

2 stops53h 30m

Sylhet Osmani Intl

Fri 8/21

3:10 pm-3:05 pm

2 stops58h 55m

$1,609

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Sun 8/16

7:20 pm-11:50 am

2 stops53h 30m

Sylhet Osmani Intl

Sun 8/23

10:05 am-3:05 pm

2 stops40h 00m

$1,615

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Sun 8/16

7:20 pm-2:45 pm

2 stops56h 25m

Sylhet Osmani Intl

Sun 8/23

4:30 pm-4:10 pm

3 stops34h 40m

$1,635

ChicagoSylhet

ORD - ZYL

ORDZYL

Chicago O'Hare Intl

Fri 8/14

11:25 am-2:45 pm

2 stops40h 20m

Sylhet Osmani Intl

Fri 8/21

12:15 pm-4:10 pm

3 stops38h 55m

$1,676

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Sylhet flight deals and tips

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

Fastest flight time

29h 30m

Direct flights

None
The fastest flight from Illinois to Sylhet takes 29h 30m
There are no direct flights from Illinois to Sylhet. There are no popular flight routes from Illinois to Sylhet.
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Frequently asked questions about flying from Illinois to Sylhet

  • When did momondo last update prices for flights from Illinois to Sylhet Osmani Intl Airport?

    Prices for flights from Illinois to Sylhet Osmani Intl Airport refresh daily.

  • How old do you have to be to fly from Illinois to Sylhet Osmani Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Sylhet Osmani Intl Airport.

  • What documentation or ID do you need to fly to Sylhet Osmani Intl Airport?

    The necessary travel and health documents for your Sylhet Osmani Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Illinois to Sylhet

  • How do I get Price Alerts for flights from Illinois to Sylhet?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Sylhet. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Illinois to Sylhet with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

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 Sylhet for you.

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

Yes. momondo allows you to filter the results for Illinois to Sylhet flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Sylhet?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sylhet from Illinois.

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

Yes momondo offers price alerts on flights to Sylhet from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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