Cheap Flights from San Diego to Key West International

Compare San Diego 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 San Diego to Key West International

Looking for a cheap last-minute deal or the best round-trip flight from San Diego to Key West International Airport? If you want to travel next month, round-trip fares start from AED 1,841. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from San Diego to Key West International

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

San Diego to Key West International: Alternative routes

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

San Diego to Key West: Flight information

The things to know before you go.
Cheapest flight foundAED 854
Cheapest month to flyJune

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

The best price we found for a round-trip flight from San Diego to Key West International is AED 1,335. 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 San Diego to Key West International. But we found flights with one stop from AED 1,335.
There are no flights flying from San Diego to Key West International, as of May 2026.
The cheapest month to fly from San Diego to Key West International is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Key West International Airport on Wednesday, July 29, 2026.
No airlines currently offer direct flights between San Diego 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.
The cheapest airline that flies to Key West International is Frontier Airlines.

Flying from San Diego to Key West International Airport (EYW): What you need to know

  • Your adventure begins at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Explore the options for booking a flight from San Diego to Key West International Airport (EYW) leaving from either of these.

  • Key West is three hours ahead of San Diego. Key West International Airport is located in Key West, which follows the UTC-4 timezone.

  • Arrive at the airport on time so you don't miss your flight from San Diego to EYW. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.

  • Delays at security and check-in are likely if you're traveling during high season, so give yourself even more breathing space. The recommendation for peak periods? Arrive up to four hours ahead for international flights and at least two hours for domestic departures.

Airports in San Diego

San Diego International Airport (SAN)

  • Located around 5 kilometers from the center of San Diego, SAN can be reached in about 10 minutes by car (depending on traffic). The journey by public transport is roughly 20 minutes.

  • Catching an early flight from San Diego to Key West International Airport? Avoid the stress of rushing to the terminal (and get some bonus sleep) by picking one of these stays near San Diego International Airport:

  • Of the departures from San Diego International Airport, 71.38% land on time at their destination.

  • SAN is located at N Harbor Dr.

McClellan-Palomar Airport (CLD)

  • You can arrive at CLD from the center of San Diego in approximately 40 minutes by car (depending on traffic). The ride on public transport takes roughly 2 hours 15 minutes to travel the 56 kilometers or so.

  • Want to enjoy an extra night away before your San Diego to EYW flight? Check in to a hotel near McClellan-Palomar Airport before your break officially begins. These stays are calling your name:

About Key West International Airport (EYW)

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

  • Key West International Airport is around 3 kilometers from central Key West. It takes around 5 minutes or so to drive to the city.

  • When traveling on public transport, expect a journey of about 40 minutes.

How to find the cheapest flights from San Diego to Key West International Airport (EYW)

  • At the moment, AED 855 is the best price we've found for a one-way ticket from San Diego to Key West International Airport. The cheapest price for a return flight is AED 1,335. Keep in mind fares may change due to availability at the time of booking.

  • To find cheap flights from San Diego to EYW, book early. Airlines generally offer lower prices when flights are first released.

  • The 'Whole month' search tool shows you the cheapest San Diego to Key West International Airport tickets throughout the entire month. It's a great way to find a bargain if your travel dates aren't set in stone.

  • Finding a cheap flight ticket from San Diego to EYW is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when there's a price drop.

  • Filters make it easier to track down a bargain for your flight from San Diego to Key West International Airport. Choose the airlines, flight times and stops that line up with your plans. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from San Diego to Key West International Airport (EYW)

  • July is the most popular month for flights from San Diego to Key West International Airport (EYW). Plan your visit to Key West in February for a quieter experience.

  • The warmest month in Key West is August, with temperatures ranging between 26ºC (79ºF) and 30ºC (86ºF). Lock in your San Diego to EYW flight ticket then if you enjoy this type of weather.

  • January has temperatures of between 18ºC (64ºF) and 23ºC (73ºF). Look for cheap tickets from San Diego to Key West International Airport around that time if you like traveling in cooler conditions.

More about Key West

  • Start your Key West trip right by choosing the ideal place to stay. Once you've booked your flight from San Diego to Key West International Airport, explore our selection of hotels including:

  • There are loads of things to do in Key West when you're ready to get out and sightsee. Start exploring at South Beach followed by Mallory Square and Dry Tortugas.

Explore more of the United States

  • Miami is just one of the many cities in the United States waiting to be explored once you've seen the sights of Key West. Around 209 kilometers away to the north-east, well-known attractions include Ocean Drive, Beach and La Playa De Miami.

  • Around 209 kilometers north-east of Key West, Hialeah is another favorite stop in the United States. Experience the best of this destination with a visit to Miami Watersports Complex, Hialeah Park Racing & Casino and Hialeah Park.

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