What is the cheapest airline that flies from Illinois to Kos?

Lufthansa is the most popular carrier operating from Illinois to Kos

When did momondo last update prices for flights from Illinois to Kos Airport?

Prices for flights from Illinois to Kos Airport were last updated today.

How old do you have to be to fly from Illinois to Kos Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Kos Airport.

What documentation or ID do you need to fly to Kos Airport?

The travel and health documents you'll need for your trip to Kos Airport 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 Kos Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$382 Cheap Flights from Illinois to Kos in 2025

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Find the cheapest flights from Illinois to Kos

Round-trip

One-way

Cheap round-trip flights

4:20 pm - 9:10 amORD-KGS

32h 50m1 stop

12:40 pm - 7:25 pmKGS-ORD

13h 45m1 stop

$687

Find Deal

vie., oct. 10 - lun., oct. 27

7:05 pm - 2:30 pmORD-KGS

35h 25m1 stop

12:40 pm - 7:25 pmKGS-ORD

13h 45m1 stop

$694

Find Deal

vie., oct. 10 - lun., oct. 27

7:05 pm - 2:30 pmORD-KGS

35h 25m1 stop

12:40 pm - 2:10 pmKGS-ORD

32h 30m2 stops

$784

Find Deal

vie., oct. 10 - lun., oct. 27

4:20 pm - 9:10 amORD-KGS

32h 50m1 stop

12:40 pm - 7:25 pmKGS-ORD

13h 45m1 stop

$785

Find Deal

vie., oct. 10 - lun., oct. 27

7:05 pm - 2:30 pmORD-KGS

35h 25m1 stop

12:40 pm - 2:10 pmKGS-ORD

32h 30m2 stops

$896

Find Deal

vie., oct. 10 - lun., oct. 27

9:40 pm - 7:25 pmORD-KGS

13h 45m1 stop

12:40 pm - 8:58 pmKGS-ORD

39h 18m2 stops

$974Lufthansa

Find Deal

vie., oct. 10 - lun., oct. 27

4:00 pm - 7:25 pmORD-KGS

19h 25m2 stops

12:40 pm - 2:10 pmKGS-ORD

32h 30m2 stops

$980Lufthansa

Find Deal

vie., oct. 10 - lun., oct. 27

4:00 pm - 7:25 pmORD-KGS

19h 25m2 stops

12:40 pm - 2:10 pmKGS-ORD

32h 30m2 stops

$1,133Lufthansa

Find Deal

vie., oct. 10 - lun., oct. 27

5:55 pm - 9:10 amORD-KGS

31h 15m2 stops

8:35 am - 9:05 pmKGS-ORD

19h 30m2 stops

$1,146

Find Deal

vie., oct. 10 - lun., oct. 27

7:45 pm - 8:05 pmORD-KGS

40h 20m2 stops

12:35 pm - 2:55 pmKGS-ORD

34h 20m2 stops

$1,999Emirates

Find Deal

jue., ene. 15 - lun., ene. 19

Lufthansa flights from Illinois to Kos

Our best Lufthansa deals on Illinois to Kos flight tickets

Lufthansa

Oct 10

ORD9:40 pmChicago O'Hare Intl

13h 45m

1 stop

KGS7:25 pmKos

Oct 27

KGS12:40 pmKos

39h 18m

2 stops

ORD8:58 pmChicago O'Hare Intl

$974

Find similar

Lufthansa

Oct 10

ORD4:00 pmChicago O'Hare Intl

19h 25m

2 stops

KGS7:25 pmKos

Oct 27

KGS12:40 pmKos

32h 30m

2 stops

ORD2:10 pmChicago O'Hare Intl

$980

Find similar

Lufthansa

Oct 10

ORD4:00 pmChicago O'Hare Intl

19h 25m

2 stops

KGS7:25 pmKos

Oct 27

KGS12:40 pmKos

32h 30m

2 stops

ORD2:10 pmChicago O'Hare Intl

$1,133

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

vie. 10/10

4:20 pm-9:10 am

1 stop32h 50m

Kos

lun. 10/27

12:40 pm-7:25 pm

1 stop13h 45m

$687

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

vie. 10/10

7:05 pm-2:30 pm

1 stop35h 25m

Kos

lun. 10/27

12:40 pm-7:25 pm

1 stop13h 45m

$694

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

vie. 10/10

7:05 pm-2:30 pm

1 stop35h 25m

Kos

lun. 10/27

12:40 pm-2:10 pm

2 stops32h 30m

$784

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

vie. 10/10

4:20 pm-9:10 am

1 stop32h 50m

Kos

lun. 10/27

12:40 pm-7:25 pm

1 stop13h 45m

$785

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

vie. 10/10

7:05 pm-2:30 pm

1 stop35h 25m

Kos

lun. 10/27

12:40 pm-2:10 pm

2 stops32h 30m

$896

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

vie. 10/10

9:40 pm-7:25 pm

1 stop13h 45m

Kos

lun. 10/27

12:40 pm-8:58 pm

2 stops39h 18m

$974

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

vie. 10/10

4:00 pm-7:25 pm

2 stops19h 25m

Kos

lun. 10/27

12:40 pm-2:10 pm

2 stops32h 30m

$980

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

vie. 10/10

4:00 pm-7:25 pm

2 stops19h 25m

Kos

lun. 10/27

12:40 pm-2:10 pm

2 stops32h 30m

$1,133

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

vie. 10/10

5:55 pm-9:10 am

2 stops31h 15m

Kos

lun. 10/27

8:35 am-9:05 pm

2 stops19h 30m

$1,146

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

jue. 1/15

7:45 pm-8:05 pm

2 stops40h 20m

Kos

lun. 1/19

12:35 pm-2:55 pm

2 stops34h 20m

$1,999

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Kos

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

Prices

Airlines

What is the cheapest day to depart on your flight to Kos?

The cheapest day to depart from Illinois to Kos is on a Wednesday when prices can be found for as low as $982. On the other hand, Sunday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,086.

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

Flying to Kos from Illinois in the evening is the least expensive time of day to depart. momondo users have found prices as low as $710 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,086 on average. Flights to Kos from Illinois in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Cheap Illinois to Kos flight deals and tips

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

Direct flights	None

There are no direct flights from Illinois to Kos. There are no popular flight routes from Illinois to Kos.

Search flight deals

When did momondo last update prices for flights from Illinois to Kos Airport?
Prices for flights from Illinois to Kos Airport were last updated today.
How old do you have to be to fly from Illinois to Kos Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Kos Airport.
What documentation or ID do you need to fly to Kos Airport?
The travel and health documents you'll need for your trip to Kos Airport 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 Kos Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Kardamena

Marmari

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Kos. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Kos from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Kos from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Kos 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.