Cheap Flights from San Diego to Key West International

Return selected
Return selected
origin
Enter the city you're flying from, or choose from the options below
Include nearby airports
    selected
    destination
    . Enter your destination, or choose from the options below
    Include nearby airports
      selected
      Travellers and cabin class, 1 Adult, Economy

      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

      Book the best Key West International fare with no extra fees

      Flight deals from San Diego to Key West International

      Looking for a cheap last-minute deal or the best return flight from San Diego to Key West International? Find the lowest prices on one-way and return tickets right here.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from San Diego to Key West International found in the last 4 days, and are subject to change and availability.

      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 February.

      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 found$709
      Cheapest month to flyOctober

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

      The best price we found for a return flight from San Diego to Key West International is $709. 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 $709.
      As of October 2026, there are no flights flying from San Diego to Key West International.
      The cheapest month to fly from San Diego to Key West International is usually October.
      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 Monday, 26 October 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 United .

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

      • Key West International Airport is located in Key West. The city follows the UTC-5 timezone and is three hours ahead of San Diego.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Make sure you're at the airport on time to catch your flight from San Diego to EYW.

      • Going away during a peak month like July? Popular periods (like spring break and Thanksgiving) can easily add another hour at check-in and security. Be extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

      Airports in San Diego

      San Diego International Airport (SAN)

      • Located around 5 kilometres from central San Diego, SAN can be reached in about 15 minutes by car (depending on traffic). The journey by public transport will take roughly 25 minutes.

      • Searching for a comfortable hotel close to San Diego International Airport? If you're catching an early flight from San Diego to Key West International Airport, these accommodation options will have you sleeping just around the corner from the terminal:

      • When it comes to the on-time performance of San Diego International Airport, data shows 74% of flights complete their journey on time.

      • SAN is located at N Harbour Dr.

      McClellan-Palomar Airport (CLD)

      • CLD is approximately 48 kilometres from the centre of San Diego. Plan ahead to find the fastest way to arrive at your terminal.

      • Want to treat yourself to an extra night away before catching your San Diego to EYW flight? Relax in a hotel near McClellan-Palomar Airport before your trip officially starts. These stays have a room with your name on it:

      • The majority of flights that depart McClellan-Palomar Airport reach their destination as expected. It boasts an on-time performance rate of 88%.

      About Key West International Airport (EYW)

      • If you're coming in on a late flight from San Diego to Key West International Airport, few things top the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and resting not long after at one of these hotels near EYW:

      • Get the best deal by reserving your vehicle around two weeks ahead of your San Diego to Key West International Airport flight.

      • The address for EYW is 3491 South Roosevelt Boulevard.

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

      • Key West International Airport is around 5 kilometres from central Key West. It takes around 10 minutes or so to get to the city by car.

      • Travelling on public transport takes around 20 minutes.

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

      • The cheapest price we've found for a one-way ticket from San Diego to Key West International Airport is $684. For a return flight on this route, the best price is $709. Depending on when you want to go and the availability, these fares can change.

      • To find cheap flights from San Diego to EYW, book early. Airlines usually offer their most competitively priced fares when tickets are first released.

      • Affordable San Diego to Key West International Airport tickets are easier to find if you're not locked into specific dates. Use the 'Whole month' tool to compare fares across every month and then fly out on the cheapest day.

      • Finding a cheap plane ticket from San Diego to EYW is easy with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as the price has dropped.

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

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

      • September is the quietest month for flights from San Diego to Key West International Airport (EYW), while March is the most popular. Figure out the best time to visit Key West based on whether you want a laid-back vibe or a lively atmosphere.

      • Before locking in your San Diego to EYW plane ticket, consider the kind of weather forecast you're hoping for. August is the warmest month in Key West, with temperatures ranging from 26ºC to 30ºC.

      • January sees temperatures of between 18ºC and 23ºC. Search for cheap tickets from San Diego to Key West International Airport around that time if you want to travel when it's cooler.

      More about Key West

      • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Key West right here. Check out these options after you've booked your flight from San Diego to Key West International Airport:

      • There are so many things to see and do in this city, it can be tricky to know where to start. South Beach, Mallory Square and Dry Tortugas are leading attractions which should be on every Key West itinerary.

      Explore more of the United States

      • Miami is just one of the many places in the United States waiting to be discovered after you've experienced Key West. Around 209 kilometres away to the northeast, check out popular attractions including Beach, Ocean Drive and Port of Miami.

      • Hialeah is another well-known destination in the United States and is around 209 kilometres northeast of Key West. No trip is complete without dropping by Amelia Earhart Park, Hialeah Park and Assault Brigde 2506 Museum.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.