Flight tickets from San Diego International to Key West International

Compare San Diego 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 San Diego International to Key West International

Looking for a cheap last-minute deal or the best return flight from San Diego International to Key West International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Diego 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 San Diego International to Key West International flights are currently cheapest in March.

San Diego International to Key West International: Alternative routes

Compare routes from San Diego International 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₹ 18,013
Cheapest month to flyMarch

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

The best price we found for a return flight from San Diego International to Key West International is ₹ 30,586. 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 International to Key West International. But we found flights with one or more stops from ₹ 30,586.
As of January 2026, there are no flights flying from San Diego International to Key West International.
The cheapest month to fly from San Diego International to Key West International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Key West International Airport on Saturday, 18 April 2026.
No airlines currently offer direct flights between San Diego International 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, Delta offers the cheapest flight tickets to Key West International.

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

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your SAN to EYW flight.

  • Travelling during a peak month such as July? Major public holidays and other popular periods can mean longer queues and delays at security. Play it safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • If you'd like to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from San Diego International Airport to Key West International Airport. Here are the most popular stopovers between SAN and EYW:

    • Hartsfield-Jackson Atlanta International Airport

    • Miami International Airport

    • O'Hare International Airport

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

  • Right now, ₹ 18,013 is the lowest price we've found for a one-way San Diego International Airport to Key West International Airport flight. The best price for a return plane ticket is ₹ 30,586. Bear in mind that fares can change due to demand at the time of booking.

  • Don't wait until the last minute. You're more likely to find cheap tickets from SAN to EYW if you book early. Airlines often have some fantastic early bird discounts.

  • If you're flexible with your trip dates, try using the 'Whole month' tool. It'll give you the cheapest price across the month when looking for your flight from San Diego International Airport to Key West International Airport.

  • Stay on top of deals for cheap flights from SAN to EYW by creating a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from San Diego International Airport to Key West International Airport.

Handy information about San Diego International Airport (SAN)

  • SAN's address is Airport Drive.

  • When it comes to San Diego International Airport's on-time performance, 71.38% of flights meet their scheduled arrival time.

  • San Diego International Airport is about 5 kilometres from central San Diego. If you're ride-sharing, catching a cab or driving from the centre, it'll take 10 minutes or so to get there, depending on the traffic.

  • The trip on public transport typically takes 20 minutes.

  • Searching for a handy hotel close to SAN? If you're catching an early flight from San Diego International Airport to Key West International Airport, these accommodation options will put you moments from your departure gate:

Arriving at Key West International Airport (EYW)

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

  • The address for EYW is 3491 South Roosevelt Boulevard.

  • From Key West International Airport, Key West is approximately 3 kilometres away. It takes around 5 minutes to reach the centre driving.

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

When to fly to Key West International Airport (EYW)

  • It's time to work out your dates for your flight from San Diego International Airport to Key West International Airport. January is the most popular month to head to Key West. If you'd like a quieter vibe, go in February.

  • When booking your flight from San Diego International Airport to Key West International Airport, think about the kind of weather you like. August is the warmest month in Key West, with temperatures ranging from 26ºC to 30ºC.

  • January sees average temperatures of between 18ºC and 23ºC. Search for cheap tickets from SAN to EYW sometime then if you like cooler conditions.

Explore more of United States

  • Miami is just one of the many cities in United States waiting to be explored after you've seen Key West. Around 209 kilometres away to the north-east, check out popular attractions including Wynwood Walls, Vizcaya Museum and Gardens and American Airlines Arena.

  • If you're ready to explore another side of United States, head for Tampa, roughly 386 kilometres north of Key West. Ybor City Tattoo Company, Tampa Riverwalk and The Florida Aquarium are key reasons to visit.

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