Cheap Flights from Grand Rapids (GRR) to Kos (KGS)

Popular airlines from Gerald R. Ford International Airport (GRR) to Kos (KGS-Kos Island Intl.)

Frequently asked questions

How much does a flight from Gerald R. Ford Intl. Airport (GRR) to Kos Island Intl. Airport (KGS) cost?
Snag a cheap one-way flight or cheap return flight from Gerald R. Ford Intl. Airport (GRR) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Gerald R. Ford Intl. Airport (GRR) to Kos Island Intl. Airport (KGS)?
Traveling in is a good way to save, as it's the cheapest month for flights between GRR and KGS. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Gerald R. Ford Intl. Airport (GRR) to Kos Island Intl. Airport (KGS)?
To find the cheapest airline flying from GRR to KGS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Gerald R. Ford Intl. Airport (GRR) to Kos Island Intl. Airport (KGS)?
There aren't any daily nonstop flights departing from Gerald R. Ford Intl. Airport (GRR) to Kos Island Intl. Airport (KGS). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from GRR to KGS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gerald R. Ford Intl. Airport (GRR) to Kos Island Intl. Airport (KGS)?
To land at Kos Island Intl. Airport (KGS) on schedule, book a flight that leaves Gerald R. Ford Intl. Airport (GRR) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Gerald R. Ford Intl. Airport (GRR) to Kos Island Intl. Airport (KGS) last-minute?
Last-minute bookings from GRR to KGS are usually more expensive. To secure the best rates, start searching for flights well ahead of time. That being said, if your travel plans are flexible, you may land a cheap ticket right before your trip.
Is it cheaper to book a GRR to KGS flight and hotel package?
Compared with arranging flights and hotels separately, booking a GRR to KGS flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Gerald R. Ford Intl. Airport (GRR) to Kos Island Intl. Airport (KGS)?
In most instances, you're able to reschedule or cancel your GRR to KGS flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more information, head to our Customer Service portal.

Travel information

Origin airport
Gerald R. Ford Intl.
Destination airport
Kos Island Intl.
Distance
5493 mi

Book with confidence

Grand Rapids to Kos Flights

The cheapest times to fly from Grand Rapids to Kos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Grand Rapids to Kos are during the month of . You can find some of the cheapest flights from Grand Rapids to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Grand Rapids to Kos

Sunday is one of the best days to book for cheap flights from Grand Rapids to Kos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Grand Rapids to Kos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Grand Rapids to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Grand Rapids to Kos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Grand Rapids to Kos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Grand Rapids to Kos Flights

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*Available to One Key members.