How does KAYAK find such low prices on flights from Illinois to Kos?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Kos. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Kos?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Kos?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Kos with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Kos?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kos from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$1,397 CHEAP FLIGHTS from Illinois to Kos

KGS

KAYAK searches hundreds of travel sites at once for deals on flights to Kos

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$1,397

Multiple Airlines

Wed 6/24Tue 7/14

ORD - KGS • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Kos!

Flight Deals

Cheap Flights from Illinois to Kos

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Kos that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

Recent round-trip flight deals from Illinois to Kos

Wed, Jun 24 - Tue, Jul 14

3:00 pm - 4:50 pm

ORD

KGS

17h 50m

1 stop

8:00 pm - 11:50 am

KGS

ORD

47h 50m

2 stops

$1,397Multiple Airlines

Wed, Jun 24 - Sat, Jul 11

3:00 pm - 4:50 pm

ORD

KGS

17h 50m

1 stop

12:20 pm - 11:50 am

KGS

ORD

31h 30m

2 stops

$1,414Multiple Airlines

Wed, Jun 24 - Mon, Jul 13

9:40 pm - 3:10 pm

ORD

KGS

33h 30m

2 stops

11:00 am - 3:55 pm

KGS

ORD

36h 55m

1 stop

$1,435SWISS

Wed, Jun 24 - Sun, Jul 12

9:40 pm - 3:10 pm

ORD

KGS

33h 30m

2 stops

3:15 pm - 12:35 pm

KGS

ORD

29h 20m

1 stop

$1,437SWISS

Wed, Jun 24 - Mon, Jul 13

9:40 pm - 8:50 am

ORD

KGS

51h 10m

2 stops

12:40 pm - 12:55 pm

KGS

ORD

32h 15m

2 stops

$1,493Lufthansa

Wed, Jun 24 - Sun, Jul 12

10:45 am - 3:45 pm

ORD

KGS

21h 00m

2 stops

3:15 pm - 3:55 pm

KGS

ORD

32h 40m

1 stop

$1,497Multiple Airlines

Wed, Jun 24 - Fri, Jul 10

9:40 pm - 3:10 pm

ORD

KGS

33h 30m

2 stops

3:55 pm - 12:35 pm

KGS

ORD

28h 40m

1 stop

$1,505SWISS

Wed, Jun 24 - Mon, Jul 13

4:20 pm - 12:35 am

ORD

KGS

24h 15m

1 stop

11:00 am - 12:35 pm

KGS

ORD

33h 35m

1 stop

$1,536Multiple Airlines

Wed, Jun 24 - Sat, Jul 11

9:40 pm - 8:50 am

ORD

KGS

51h 10m

2 stops

8:35 pm - 7:55 pm

KGS

ORD

31h 20m

2 stops

$1,553Lufthansa

Wed, Jun 24 - Tue, Jul 14

9:40 pm - 3:10 pm

ORD

KGS

33h 30m

2 stops

8:30 pm - 1:40 pm

KGS

ORD

25h 10m

2 stops

$1,564SWISS

Useful Info

Cheapest flight	$1,397

Flight from Chicago to Kos

How does KAYAK find such low prices on flights from Illinois to Kos?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Kos.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Kos?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Kos?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Kos with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Kos?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kos from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Marmari

Everything you need to know for your flight to Kos

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Kos

Kos (KGS)

KGS

$1,397 Find Cheap Flights from Illinois to Kos

KAYAK searches hundreds of travel sites at once for deals on flights to Kos

Everything you should know

Cheap Flights from Illinois to Kos

Recent round-trip flight deals from Illinois to Kos

Good to know

FAQs for booking flights from Illinois to Kos

How does KAYAK find such low prices on flights from Illinois to Kos?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Kos.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Kos?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Kos?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Kos with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Kos?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kos from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Kos?

Everything you need to know for your flight to Kos

Information on the airport you'll fly into in Kos

Cabin class types available on flights to Illinois

Complete your trip to Kos with a hotel stay or car rental

Find direct flights for Kos

Flights to other popular destinations

Flights from domestic origins to Kos

Choose which airport to fly into in Kos