Cheap Flights from Billings (BIL) to Kos (KGS)

Popular airlines from Billings Logan Intl. Airport (BIL) to Kos (KGS-Kos Island Intl.)

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Frequently asked questions

How much does a flight from Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS) cost?
Snag a cheap one-way flight or cheap return flight from Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS)?
Planning your getaway for can help you save, as it's the cheapest month for flights between BIL and KGS. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BIL to KGS flight.
How many flights per day from Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS)?
You'll need to book a flight with a layover if you're traveling from Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BIL to KGS?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS)?
Opt for a flight from Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS) last-minute?
Booking your ticket from BIL to KGS right before your trip is generally more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a BIL to KGS flight and hotel package?
Compared with arranging flights and hotels separately, booking a BIL to KGS flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BIL) to Kos Island Intl. Airport (KGS)?
In most instances, you can modify or cancel your BIL to KGS flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want further details, head to our Customer Service portal.

Travel information

Origin airport
Logan Intl.
Destination airport
Kos Island Intl.
Distance
6097 mi

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Billings to Kos Flights

The cheapest times to fly from Billings 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 Billings to Kos are during the month of . You can find some of the cheapest flights from Billings to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Billings to Kos

Sunday is one of the best days to book for cheap flights from Billings 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 Billings 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 Billings to Kos in 2026. 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 Billings 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 Billings 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.

 

Billings to Kos Flights

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*Available to One Key members.