$685+ Cheap flights from Illinois 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KGS
Apr 8 — Apr 151
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Kos
Keep the following information in mind while searching for Illinois to Kos flight deals. Data was last updated April 3, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 1 star |
Round-trip from | $965 (Mytrip) |
One-way from | $685 (Yatra.com) |
Find flight deals from Illinois to Kos
Cheapest flights from Illinois to KosExplore the most affordable flight options available from Illinois to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.
Explore the most affordable flight options available from Illinois to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.
This Lufthansa deal was found by Cheapflights users on 4/3. 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.
Fri 10/109:40 pmORD - KGS
1 stop13h 45mLufthansa
Mon 10/2712:40 pmKGS - ORD
2 stops32h 45mLufthansa
Deal found 4/3![Lufthansa logo]()
$870
This FlightHub deal was found by Cheapflights users on 4/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:05 pmORD - KGS
1 stop35h 25mMultiple Airlines
Mon 10/2712:40 pmKGS - ORD
1 stop13h 45mMultiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$887
This Gurufare deal was found by Cheapflights users on 4/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:05 pmORD - KGS
2 stops17h 50mSWISS
Tue 9/308:30 pmKGS - ORD
2 stops24h 45mSWISS
Deal found 4/2![SWISS logo]()
$1,349
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois 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 April 3, 2025.
Use the filters below to find and compare flights from Illinois to Kos that are best for you.
Fly from
Illinois
Fly to
Kos
Route
Depart
Return
Price
ChicagoKos
ORD - KGS
ORDKGS
Chicago O'Hare Intl
Sat 5/17
9:55 am-11:50 pm
2 stops29h 55m
Kos
Sat 5/24
12:40 pm-7:27 am
2 stops26h 47m
$965
ChicagoKos
ORD - KGS
ORDKGS
Chicago O'Hare Intl
Mon 8/25
9:15 pm-12:40 pm
2 stops31h 25m
Kos
Mon 9/29
12:40 pm-12:55 pm
2 stops32h 15m
$1,190
ChicagoKos
ORD - KGS
ORDKGS
Chicago O'Hare Intl
Tue 8/26
6:05 pm-7:55 pm
2 stops17h 50m
Kos
Tue 9/30
8:30 pm-1:15 pm
2 stops24h 45m
$1,349
ChicagoKos
ORD - KGS
ORDKGS
Chicago O'Hare Intl
Sat 5/17
9:40 pm-11:50 am
1 stop30h 10m
$685
ChicagoKos
ORD - KGS
ORDKGS
Chicago O'Hare Intl
Sat 5/17
8:40 am-5:30 pm
2 stops24h 50m
$735
Best time to book a flight from Illinois to Kos
Have a flexible travel schedule? Discover the best time to fly to Kos from Illinois 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 Illinois to Kos
What is the cheapest time of day to fly from IL to KGS?
Find hourly flight availability from Illinois 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 April 3, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Kos as you normally would.
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 April 3, 2025.
Overall
7.5
Boarding
7.6
Entertainment
6.7
Comfort
7.4
Crew
8.2
Food
7.0
Reviews
1 / 20
10.0
ExcellentElwyn,Feb 2025
MXP - ZRH
Overall
7.5
Boarding
7.6
Entertainment
6.7
Comfort
7.4
Crew
8.2
Food
7.0
Reviews
1 / 20
10.0
ExcellentElwyn,Feb 2025
MXP - ZRH
Overall
7.5
Boarding
7.6
Entertainment
6.7
Comfort
7.4
Crew
8.2
Food
7.0
Reviews
1 / 20
10.0
ExcellentElwyn,Feb 2025
MXP - ZRH
Related info for your journey
Find useful and relevant information for your journey from Illinois to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Illinois?
Book flights to Illinois if you plan to visit one of these locationsKardamena
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Alternative routes for Illinois to Kos
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Illinois to Kos
Discover the top airline that operate flights from Illinois 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 April 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$613 | Average$877 | FlexibilityNo cancel fee | On-time79% |