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$688+ Cheap flights from O'Hare Intl (ORD) to Kos (KGS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KGS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Kos

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Kos (KGS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$826
(KAYAK)
From Chicago O'Hare Intl to Kos
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Find flight deals from O'Hare Intl to Kos

Cheapest flights from O'Hare Intl to Kos
Explore the most affordable flight options available from O'Hare Intl to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:55 pmORD - KGS
1 stop14h 25mMultiple Airlines
Tue 9/238:30 pmKGS - ORD
1 stop27h 25mMultiple Airlines
Deal found 9/9$688
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2411:25 amORD - KGS
2 stops26h 30mMultiple Airlines
Fri 10/315:00 pmKGS - ORD
2 stops25h 05mMultiple Airlines
Deal found 9/9$797
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:20 pmORD - KGS
1 stop32h 50mMultiple Airlines
Mon 10/2712:40 pmKGS - ORD
1 stop13h 45mMultiple Airlines
Deal found 9/11$826
This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:59 pmORD - KGS
2 stops39h 06mBritish Airways
Tue 9/232:20 pmKGS - ORD
2 stops31h 55mBritish Airways
Deal found 9/9$851

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Kos 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 September 11, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Kos that are best for you.

Fly from

O'Hare Intl

Fly to

Kos

Route

Depart

Return

Price

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

Thu 9/18

5:55 pm-4:20 pm

1 stop14h 25m

Kos

Tue 9/23

8:30 pm-3:55 pm

1 stop27h 25m

$688

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

Fri 10/24

11:25 am-9:55 pm

2 stops26h 30m

Kos

Fri 10/31

5:00 pm-11:05 am

2 stops25h 05m

$797

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

Fri 10/10

4:20 pm-9:10 am

1 stop32h 50m

Kos

Mon 10/27

12:40 pm-7:25 pm

1 stop13h 45m

$826

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

Thu 9/18

1:59 pm-1:05 pm

2 stops39h 06m

Kos

Tue 9/23

2:20 pm-2:15 pm

2 stops31h 55m

$851

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

Wed 9/24

8:35 pm-5:30 pm

2 stops36h 55m

$1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from O'Hare Intl to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from O'Hare Intl 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.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kos from Chicago O'Hare Intl?

    Most people fly into Kos (KGS) if they book a flight to Kos from Chicago O'Hare Intl. On average, Kos has 0 inbound flights from Chicago O'Hare Intl per day from 0 airlines. Kos is conveniently located just 12.8 mi from Kos’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Kos?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Kos in 39h 06m. Fly via British Airways to get the fastest option. There are 5622 mi between Chicago O'Hare Intl Airport and Kos.

  • Can I find deals for flights from O'Hare Intl to Kos that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Kos flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Kos?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Kos.

  • Can I find deals for business class flights from O'Hare Intl to Kos?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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