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$363+ Cheap flights from O'Hare Intl (ORD) to Kos (KGS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KGS
mar 31 — abr 71
seg 3/31
seg 4/7
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 março 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$736
(Trip.com)

One-way from

$363
(Kiwi.com)
Provider with most accurate pricing for Chicago O'Hare Intl-Kos flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Kos flights.
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From Chicago O'Hare Intl to Kos
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One-way flight 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 março 26, 2025.

This Trip.com deal was found by Cheapflights users on 3/24. 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.
qui 5/87:15 pmORD - KGS
2 stops18h 40mMultiple Airlines
qui 5/154:15 pmKGS - ORD
2 stops31h 55mMultiple Airlines
Deal found 3/24$736
This Lufthansa deal was found by Cheapflights users on 3/24. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/109:40 pmORD - KGS
1 stop13h 45mLufthansa
seg 10/2712:40 pmKGS - ORD
2 stops32h 45mLufthansa
Deal found 3/24$1,071
This Austrian Airlines deal was found by Cheapflights users on 3/25. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 5/94:20 pmORD - KGS
1 stop17h 35mAustrian Airlines
sex 5/169:40 pmKGS - ORD
1 stop23h 40mAustrian Airlines
Deal found 3/25$1,096
This SWISS deal was found by Cheapflights users on 3/24. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 8/257:05 pmORD - KGS
1 stop16h 35mSWISS
seg 9/2911:00 amKGS - ORD
1 stop33h 10mSWISS
Deal found 3/24$1,225

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 março 26, 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

qui 5/8

7:15 pm-9:55 pm

2 stops18h 40m

Kos

qui 5/15

4:15 pm-4:10 pm

2 stops31h 55m

$736

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

qui 5/8

10:30 pm-8:50 am

1 stop26h 20m

Kos

qui 5/15

7:30 pm-12:55 pm

1 stop25h 25m

$1,072

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

sex 5/9

4:20 pm-5:55 pm

1 stop17h 35m

Kos

sex 5/16

9:40 pm-1:20 pm

1 stop23h 40m

$1,096

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

seg 8/25

7:05 pm-7:40 pm

1 stop16h 35m

Kos

seg 9/29

11:00 am-12:10 pm

1 stop33h 10m

$1,225

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

ter 4/15

11:47 am-9:00 am

3 stops37h 13m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from O'Hare Intl to Kos

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Kos in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Kos flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Kos flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Kos flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Kos flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Kos flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Kos

What is the cheapest time of day to fly from ORD to KGS?

Find hourly flight availability from O'Hare Intl to Kos. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated março 26, 2025.

When flying from Chicago O'Hare Intl Airport to Kos, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 33% versus a flight in the morning.

Rainfall in Kos by month

Plan your trip to Kos by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kos ranges from 0.1 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. July is typically the driest time to visit Kos when rainfall is around 0.1 in.

Temperature in Kos by month

Plan your trip to Kos by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kos, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kos. Reviews last updated março 26, 2025.
Austrian Airlines
7.5
Good
769 reviews

Overall

7.5

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.5
Good
769 reviews
Austrian Airlines
7.5
Good
769 reviews

Overall

7.5

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,569 reviews
Austrian Airlines
7.5
Good
769 reviews

Overall

7.5

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
6,950 reviews
Austrian Airlines
7.5
Good
769 reviews

Overall

7.5

Boarding

7.6

Comfort

7.3

Entertainment

6.7

Food

6.8

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 1 airline. Kos is conveniently located just 12.8 mi from Kos’s city center.

  • 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Kardamena

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Alternative routes for O'Hare Intl to Kos

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from O'Hare Intl to Kos

Discover the top airline that operate flights from O'Hare Intl to Kos. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated março 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$613Average$877FlexibilityNo cancel feeOn-time79%
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