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$728+ Cheap flights from Chicago (CHI) 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — KGS
jan 8 — jan 151
qui 1/8
qui 1/15
1 adult, Economy
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Cheap flight deals from Chicago to Kos

Best flights from Chicago to Kos
Discover carefully curated flight deals from Chicago to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated dezembro 9, 2025.

This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 1/2311:50 amORD - KGS
2 stops15h 40mMultiple Airlines
sex 1/309:45 pmKGS - ORD
2 stops28h 40mMultiple Airlines
Deal found 12/9$728
This Emirates deal was found by Cheapflights users on 12/6. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/47:45 pmORD - KGS
2 stops37h 20mEmirates
dom 2/812:35 pmKGS - ORD
2 stops34h 20mEmirates
Deal found 12/6$1,802

Find flight deals from Chicago to Kos

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 dezembro 9, 2025.

Round-trip from

$1,802
(Emirates)
From Chicago (CHI) to Kos
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 dezembro 9, 2025.
Use the filters below to find and compare flights from Chicago to Kos that are best for you.

Fly from

Chicago

Fly to

Kos

Route

Depart

Return

Price

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

sex 1/23

11:50 am-11:30 am

2 stops15h 40m

Kos

sex 1/30

9:45 pm-6:25 pm

2 stops28h 40m

$728

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

qua 2/4

7:45 pm-5:05 pm

2 stops37h 20m

Kos

dom 2/8

12:35 pm-2:55 pm

2 stops34h 20m

$1,802

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Best time to book a flight from Chicago to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Chicago 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Kos
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    Most people fly into Kos (KGS) if they book a flight to Kos from Chicago. On average, Kos has 0 inbound flights from Chicago 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 to Kos?

    Emirates can get you from Chicago to Kos in just under 37h 20m. Your travel time can differ by up to . There are 5622 mi between Chicago and Kos.

  • Can I find deals for flights from Chicago to Kos that include hotel bookings?

    Yes. In addition to deals on Chicago to Kos flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Kos?

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

  • Can I find deals for business class flights from Chicago to Kos?

    Yes. Cheapflights offers flight deals from Chicago 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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