Skyscanner home

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

Book the best Key West International fare with no extra fees

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 Airport to Key West International Airport? If you want to travel next month, return fares start from R 1,424. Find the lowest prices on one-way and return tickets right here.
Key West.R 708 per passenger.Departing Sun, 11 Oct.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Sun, 11 Oct, arriving in Key West International.Price includes taxes and charges.From R 708, select.
Key West.R 708 per passenger.Departing Mon, 3 Aug.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Mon, 3 Aug, arriving in Key West International.Price includes taxes and charges.From R 708, select.
Key West.R 709 per passenger.Departing Mon, 6 Jul.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Mon, 6 Jul, arriving in Key West International.Price includes taxes and charges.From R 709, select.
Key West.R 713 per passenger.Departing Wed, 17 Jun.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Wed, 17 Jun, arriving in Key West International.Price includes taxes and charges.From R 713, select.
Key West.R 717 per passenger.Departing Sun, 15 Nov.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Sun, 15 Nov, arriving in Key West International.Price includes taxes and charges.From R 717, select.
Key West.R 718 per passenger.Departing Mon, 25 May.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Mon, 25 May, arriving in Key West International.Price includes taxes and charges.From R 718, select.
Key West.R 758 per passenger.Departing Mon, 7 Sep.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Mon, 7 Sep, arriving in Key West International.Price includes taxes and charges.From R 758, select.
Key West.R 1,085 per passenger.Departing Thu, 21 Jan.One-way flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from St. Pete–Clearwater International on Thu, 21 Jan, arriving in Key West International.Price includes taxes and charges.From R 1,085, 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 August.
May
from R 718
Jun
from R 713
Jul
from R 709
Aug
from R 708
Sep
from R 758
Oct
from R 708
Nov
from R 717
Dec
Find prices
Jan
from R 1,085
Feb
Find prices
Mar
Find prices
Apr
Find prices

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.

Key West International

5km from central Key West
ClosestCheapest
from R 708
Search flights

Tampa to Key West: Flight information

The things to know before you go.
Cheapest flight foundR 708
Cheapest month to flyAugust
Average flight time1 hr, 4 mins
Most popular airlineAllegiant Air
Average flights per week7

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 R 1,417. 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 4 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 May 2026, there are 8 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 October.
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 Sunday, 11 October 2026.
Yes – the average flight time is 1 hour and 4 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

  • Around 1 hour is how long you can expect to be travelling on a direct flight from St. Petersburg-Clearwater International Airport to Key West International Airport.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your PIE to EYW flight.

  • You can expect longer queues in popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • Flying into Key West (and then seeing more of United States!) is a cinch with Allegiant Air. This popular airline offers direct flights from St. Petersburg-Clearwater International Airport to Key West International Airport.

  • The majority of travellers choose to travel with Allegiant Air on this route.

  • With an impressive 89.8% of services arriving as planned, Allegiant Air is the most punctual carrier offering PIE to EYW flights.

  • Consider adding a stopover when booking your ticket from St. Petersburg-Clearwater International Airport to Key West International Airport. Just deselect 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here are some options between PIE and EYW:

    • Asheville Regional Airport

    • Indianapolis International Airport

    • Cincinnati/Northern Kentucky Airport

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

  • The lowest price we've seen for a one-way St. Petersburg-Clearwater International Airport to Key West International Airport flight is R 708. A return plane ticket right now is R 1,417. Depending on the availability when you book, these fares may change.

  • Book eight months before your departure date. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from PIE to EYW.

  • July is the cheapest month for flights from St. Petersburg-Clearwater International Airport to Key West International Airport. If you prefer to fly during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Save time searching for cheap flights from PIE to EYW by creating a Price Alert. You'll get an email or push notification on the app when a lower fare pops up.

  • Pick your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from St. Petersburg-Clearwater International Airport to Key West International Airport.

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

  • You'll find PIE at Suite 221 - Terminal Building.

  • 77.01% of flights that take off from St. Petersburg-Clearwater International Airport make it to their destination on schedule.

  • To reach St. Petersburg-Clearwater International Airport from central Tampa, it takes about 25 minutes if you're travelling by car. This depends on traffic though. It's approximately 29 kilometres from the airport to the city centre.

  • The journey when using public transport takes about 2 hours 10 minutes.

  • Get your trip off to a hassle-free start by staying near PIE. Whether you're taking an early flight from St. Petersburg-Clearwater International Airport to Key West International Airport or just don't want to be rushed, these stays are perfect:

Arriving at Key West International Airport (EYW)

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

  • You'll find EYW at 3491 South Roosevelt Boulevard.

  • Key West International Airport is roughly 3 kilometres from central Key West. Driving there takes about 5 minutes.

  • Travelling to the centre on public transport typically takes 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 January is the busiest. Pick the ideal time to go to Key West based on whether you prefer a more relaxed vibe or a faster pace.

  • Lock in your flight from St. Petersburg-Clearwater International Airport to Key West International Airport for August if you'd like to explore Key West during its warmest month. Expect temperatures of between 26ºC (79ºF) and 30ºC (86ºF).

  • January sees average temperatures of between 18ºC (64ºF) and 23ºC (73ºF). Search for cheap tickets from PIE to EYW sometime around then if you want to travel when it's cooler.

Explore more of United States

  • Miami is just one of the many places in United States waiting to be explored after you've experienced Key West. Around 209 kilometres away to the north-east, its top attractions include Wynwood Walls, Vizcaya Museum and Gardens and American Airlines Arena.

  • Around 386 kilometres north of Key West, Tampa is another favourite stop in United States. Experience major highlights starting with Ybor City Tattoo Company, Tampa Riverwalk and The Florida Aquarium.

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