Cheap flights from Chicago to Kos

Flights overview

Useful information for finding cheap flights from Chicago to Kos and booking your next trip
Cheapest one-way flight $773
SWISS, Edelweiss Air 1 stop 21 hr Sun, May 3
The cheapest one-way flight from Chicago to Kos is currently $773
Fastest flight 12 hr 10 min The fastest flight with stops from Chicago to Kos takes 12 hr 10 min

Popular airlines from Chicago to Kos

  • SWISS
    Typical price: $1,000–2,000
    8 weekly connecting flights
    ORD - KGS Every Tue, Thu, Fri, Sat, Sun
  • Austrian
    Typical price: $1,100–2,050
    2 weekly connecting flights
    ORD - KGS Every Thu, Fri
  • Finnair
    2 weekly connecting flights
    ORD - KGS Every Wed, Thu

Popular airports near Chicago

  • Chicago O'Hare International Airport (ORD)
    Chicago United States 26 min 16 mi
  • Chicago Midway International Airport (MDW)
    Chicago United States 25 min 9 mi
  • Milwaukee Mitchell International Airport (MKE)
    Milwaukee United States 1 hr 23 min 75 mi
  • Indianapolis International Airport (IND)
    Indianapolis United States 2 hr 58 min 165 mi

Popular airports near Kos

  • Αεροδρόμιο Κω «Ιπποκράτης»(Kos Airport “Ippokratis”) (KGS)
    Kos Greece 35 min 12 mi
  • Leros Municipal Airport (LRS)
    Leros Greece 2 hr 55 min 34 mi
  • Kalymnos Island National Airport (JKL)
    Kalymnos Greece 1 hr 24 min 19 mi
  • Αεροδρόμιο Ρόδου «Διαγόρας» (Rhodes Airport “Diagoras”) (RHO)
    Rhodes Greece 4 hr 16 min 55 mi

Frequently asked questions about flying from Chicago to Kos

The cheapest one-way flight was with SWISS, Edelweiss Air from $773.

Some of the cheapest round-trip deals we found with different airlines:
    The cheapest one-way flight starts at $773 and departs on Sun, May 3.
    12 hr 10 min is the shortest flight time from Chicago to Kos.
    Kos has a Mediterranean climate. The peak travel season, May–Sep, coincides with hot dry weather and strong afternoon winds. At this time of year, towns and beaches get crowded and there is a lively party scene. The Hippokrateia Festival (Jul–Aug), dedicated to the island’s famous ancient Greek physician Hippocrates, includes a series of cultural events and the reading of the Hippocratic Oath.
    It's easy to use Google Flights to find the cheapest days to fly from Chicago to Kos.
    Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
    Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

    You can also turn on price tracking to get alerts if the price changes for a route or flight.
    What counts as the best airline for your flights from Chicago to Kos really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Chicago to Kos.

    In terms of flights, SWISS is the most popular. SWISS offers 8 connecting flights per week. SWISS flies from Chicago O'Hare International Airport (ORD) to Αεροδρόμιο Κω «Ιπποκράτης»(Kos Airport “Ippokratis”) (KGS) .

    Other popular airlines flying from Chicago to Kos are:
    • Austrian offers 2 connecting flights per week. Austrian flies from Chicago O'Hare International Airport (ORD) to Αεροδρόμιο Κω «Ιπποκράτης»(Kos Airport “Ippokratis”) (KGS) .
    • Finnair offers 2 connecting flights per week. Finnair flies from Chicago O'Hare International Airport (ORD) to Αεροδρόμιο Κω «Ιπποκράτης»(Kos Airport “Ippokratis”) (KGS) .
    The number of connecting flights refers to distinct flights with at least one stop between Chicago and Kos.
    The cheapest one-way flight was with SWISS, Edelweiss Air from $773.

    Some of the cheapest round-trip deals we found with different airlines:
      The cheapest last-minute deal between Chicago and Kos at price $1,988 is offered by Brussels Airlines, United from Thu, May 7 to Mon, May 11.
      It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to Kos, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
      To book business class trips from Chicago to Kos, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

      You can also adjust the trip type to view one-way fares.
      The best last-minute getaway deal for the next weekend between Chicago and Kos starts at $1,988 from Thu, May 7 to Mon, May 11 with Brussels Airlines, United.
      The cheapest last-minute deal between Chicago and Kos at price $1,988 is offered by Brussels Airlines, United from Thu, May 7 to Mon, May 11.
      To find last-minute flight deals from Chicago to Kos, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

      You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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