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Cheap Flights from St. Pete–Clearwater International to Key West International

Compare St. Pete–Clearwater International 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 St. Pete–Clearwater International to Key West International

Looking for a cheap last-minute deal or the best return flight from St. Pete–Clearwater International to Key West International? Find the lowest prices on one-way and return tickets right here.
Key West.C$56 per passenger.Departing Sun., Sep. 28.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Sun., Sep. 28, arriving in Key West International.Price includes taxes and charges.From C$56, select.
Key West.C$59 per passenger.Departing Sat., Nov. 1.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Sat., Nov. 1, arriving in Key West International.Price includes taxes and charges.From C$59, select.
Key West.C$59 per passenger.Departing Sun., Dec. 14.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Sun., Dec. 14, arriving in Key West International.Price includes taxes and charges.From C$59, select.
Key West.C$59 per passenger.Departing Sat., Oct. 4.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Sat., Oct. 4, arriving in Key West International.Price includes taxes and charges.From C$59, select.
Key West.C$60 per passenger.Departing Mon., Jan. 5.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Mon., Jan. 5, arriving in Key West International.Price includes taxes and charges.From C$60, select.
Key West.C$68 per passenger.Departing Sat., May 9.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Sat., May 9, arriving in Key West International.Price includes taxes and charges.From C$68, select.
Key West.C$81 per passenger.Departing Mon., Mar. 9.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Mon., Mar. 9, arriving in Key West International.Price includes taxes and charges.From C$81, select.
Key West.C$89 per passenger.Departing Thu., Apr. 23.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Thu., Apr. 23, arriving in Key West International.Price includes taxes and charges.From C$89, select.

Find the cheapest month to fly from St. Pete–Clearwater International to Key West International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St. Pete–Clearwater International to Key West International flights are currently cheapest in September.
Sep.
from C$56
Oct.
from C$59
Nov.
from C$59
Dec.
from C$59
Jan.
from C$60
Feb.
Find prices
Mar.
from C$81
Apr.
from C$89
May
from C$68
Jun.
Find prices
Jul.
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Aug.
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Direct flights from St. Pete–Clearwater International to Key West International

St. Pete–Clearwater International to Key West International: Alternative routes

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

Tampa to Key West: Flight information

The things to know before you go.
Cheapest flight foundC$56
Cheapest month to flySeptember
Average flight time1 hr, 3 mins
Most popular airlineAllegiant Air
Average flights per week6

Finding cheap flights from St. Pete–Clearwater International to Key West International: Frequently asked questions

The best price we found for a return flight from St. Pete–Clearwater International to Key West International is C$115. 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.
1 hour and 3 minutes is the average flight time from St. Pete–Clearwater International to Key West International.
Allegiant Air flies direct from St. Pete–Clearwater International to Key West International.
As of September 2025, there are 6 flights per week flying from St. Pete–Clearwater International to Key West International.
The cheapest month to fly from St. Pete–Clearwater International to Key West International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St. Pete–Clearwater International Airport to Key West International Airport on Monday, November 24, 2025.
Yes – the average flight time is 1 hour and 3 minutes.
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, Allegiant Air offers the cheapest flight tickets to Key West International.

Flying from St. Petersburg-Clearwater International Airport (PIE) to Key West International Airport (EYW): what you need to know

  • A direct flight from St. Petersburg-Clearwater International Airport to Key West International Airport takes 1 hour 2 minutes, on average. Key West's timezone is UTC-4 — the same as Tampa.

  • There are 2 flights from St. Petersburg-Clearwater International Airport to Key West International Airport every week. Hop on the 07:08 flight if you want to be on your way as early as possible. If you'd prefer to get the most out of your day, the last flight from PIE to EYW is 17:59.

  • Longer lines at check-in and security are likely if you're jetting off during high season, so allow some extra breathing space. A good rule for peak periods? Get there up to four hours early for international flights and at least two hours for domestic departures.

  • We make it a cinch to book a flight with a stopover. To see all the options for flights from St. Petersburg-Clearwater International Airport to Key West International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour the city of your choice. Some popular stopovers between PIE and EYW include:

    • Cincinnati/Northern Kentucky Airport

    • Indianapolis International Airport

    • Asheville Regional Airport

How to find the cheapest flights from St. Petersburg-Clearwater International Airport (PIE) to Key West International Airport (EYW)

  • The best price we've found for a one-way ticket from St. Petersburg-Clearwater International Airport to Key West International Airport is C$56. The cheapest price for a return flight is C$115. Bear in mind that fares can change due to demand at the time of booking.

  • Get cheap flight tickets from PIE to EYW by booking 11 months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • The cheapest month for flight tickets from St. Petersburg-Clearwater International Airport to Key West International Airport is July. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • Log into your online account or use the app to set up a Price Alert. We'll get in touch right away if there's a cheaper deal on this route. It's easy to do, and it'll save you the hassle of checking for cheap flight tickets from PIE to EYW every day.

  • Take advantage of filters to find the ideal trip for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from St. Petersburg-Clearwater International Airport to Key West International Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about St. Petersburg-Clearwater International Airport (PIE)

Arriving at Key West International Airport (EYW)

  • The last thing you need is a long journey to your hotel if you're arriving on a late flight from St. Petersburg-Clearwater International Airport to Key West International Airport. Book one of these accommodation options near EYW instead:

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

  • From Key West International Airport, Key West is approximately 3 kilometres away. It takes around 6 minutes to reach the center driving.

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

When to fly to Key West International Airport (EYW)

  • The quietest month for a flight from St. Petersburg-Clearwater International Airport to Key West International Airport is February, while July is the busiest. Choose the ideal time to visit Key West based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from St. Petersburg-Clearwater International Airport to Key West International Airport for August if you'd like to go to Key West during its warmest month. You can expect temperatures of between 26ºC and 30ºC.

  • Search for cheap flight tickets from PIE to EYW in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 18ºC and 23ºC on average.

More about Key West

  • Start your Key West trip right by finding a fantastic place to stay. Once you've booked your flight from PIE to EYW, check out our hotel options including:

  • Mallory Square and The Ernest Hemingway Home and Museum are just two of the major attractions to put on your Key West travel itinerary. Keep the momentum going by heading to Fort Zachary Taylor Historic State Park.

Complete your Key West trip with hotels and a car rental

  • Once you've secured your cheap ticket to Key West International Airport, browse our low prices and exclusive rates for hotels. You can also compare a range of car rental companies in one go to find the best car rental price for your Key West escape.

Plan the rest of your trip from Tampa to Key West

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