C$307 Cheap Flights from Charleston (CHS) to Key West International (EYW)

Compare Charleston to Key West International flight deals

Find the cheapest month or even day of the year to fly to Key West International

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Flight deals from Charleston Airport to Key West International Airport

Looking for a cheap last-minute deal or the best return flight from Charleston Airport to Key West International Airport? If you want to travel next month, return fares start from C$268. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Charleston to Key West International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Charleston to Key West International flights are currently cheapest in January.

Charleston to Key West International: Alternative routes

Compare routes from Charleston to Key West below. You may find an airport to fly into that's cheaper, faster, or easier than Key West International.

Charleston to Key West: Flight information

The things to know before you go.
Cheapest flight foundC$307
Cheapest month to flyJanuary

Finding cheap flights from Charleston to Key West International: Frequently asked questions

The best price we found for a return flight from Charleston to Key West International is C$268. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Charleston to Key West International. But we found flights with one or more stops from C$268.
As of January 2026, there are no flights flying from Charleston to Key West International.
The cheapest month to fly from Charleston to Key West International is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Charleston Airport to Key West International Airport on Sunday, February 15, 2026.
No airlines currently offer direct flights between Charleston Airport and Key West International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Key West International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Key West is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Breeze Airways offers the cheapest flight tickets to Key West International.

Flying from Charleston International Airport (CHS) to Key West International Airport (EYW): what you need to know

  • Delays at security and check-in are more likely if you're flying during high season, so allow a little extra breathing room. A good general rule for peak times? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

  • If you'd like to break up your flight from Charleston International Airport to Key West International Airport, think about adding a stopover. Just deselect 'Direct flights only' and find a city that catches your eye. Popular stopovers on the CHS - EYW route are:

    • Miami International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Orlando International Airport

How to find the cheapest flights from Charleston International Airport (CHS) to Key West International Airport (EYW)

  • The lowest price we've found for a one-way ticket from Charleston International Airport to Key West International Airport is C$307. For a return flight on this route, the best price is C$268. Depending on the availability when you book, these fares can change.

  • To score cheap flight tickets from CHS to EYW, book ahead. Airlines tend to offer their best fares when flights are first released.

  • The 'Whole month' search function shows you the cheapest flight tickets from Charleston International Airport to Key West International Airport throughout the month. It's the best way to snap up a bargain if your dates aren't set in stone.

  • Create a Price Alert for cheap flight tickets from CHS to EYW. You don't need to check back in every day to find out if fares have fallen. We'll tell you when the price changes.

  • Tailor your trip using filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Charleston International Airport to Key West International Airport.

Handy information about Charleston International Airport (CHS)

  • Traveling from central Charleston to Charleston International Airport takes about 3 hours and 36 minutes by public transport. If you drive, ride-share or hail a cab, you'll cover the 21 kilometres in 28 minutes or so, depending on traffic conditions.

  • After a stress-free start to your trip? Stay near CHS. Whether you have an early flight from Charleston International Airport to Key West International Airport or just don't want to be rushed, these stays are just the thing:

Arriving at Key West International Airport (EYW)

  • If you're coming in on a late flight from Charleston International Airport to Key West International Airport, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and sleeping not long after at one of these hotels near EYW:

Getting from Key West International Airport (EYW) to central Key West

  • Key West International Airport to central Key West takes around 6 minutes by car. It's approximately 3 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing.

  • If you're traveling by public transport, expect a journey of roughly 40 minutes.

When to fly to Key West International Airport (EYW)

  • July is the busiest month for flights from Charleston International Airport to Key West International Airport. To escape the crowds, go to Key West in February.

  • Book your flight from Charleston International Airport to Key West International Airport for August if you'd like to visit Key West during its warmest month. Expect temperatures of between 26ºC and 30ºC.

  • January has average temperatures of between 18ºC and 23ºC. Look for cheap flight tickets from CHS to EYW around that time if you like traveling in cooler conditions.

More about Key West

  • Start your Key West trip right by finding a great place to stay. Once you've booked your flight from CHS to EYW, have a look at our selection of hotel options including:

  • There are so many things to explore in this city it can be difficult to know where to begin. Mallory Square, The Ernest Hemingway Home and Museum and Fort Zachary Taylor Historic State Park are popular attractions which should feature on any well-planned Key West itinerary.

Complete your Key West trip with hotels and a car rental

  • We've got more party tricks than just comparing flights. Once you've secured your cheap ticket to Key West International Airport, browse our great car rental deals that'll give you the flexibility and freedom to see the sights at your own pace. Then, have a look at our exclusive rates for hotels to find the perfect Key West stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.