Cheap flights from Key West to San Diego from $319
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to San Diego departing on 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Key West to San Diego
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Key West to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $333. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $546. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $347. Flights in the morning are often more expensive with an average ticket price of $537.
When to book flights from Key West to San Diego
Cheap Key West to San Diego (EYW to SAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Key West to San Diego
How far is Key West to San Diego by plane?
Key West and San Diego are 2204.3 mi apart from one another. Flights usually cover this in 6h 57m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Key West Airport to San Diego Airport?
Prices for flights from Key West Airport to San Diego Airport were last updated today.
How many operators does momondo search for flights from Key West Airport to San Diego Airport?
The number of operators available for flights from Key West Airport to San Diego Airport is 1 as of June 2025.
How old do you have to be to fly from Key West Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Key West Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Key West to San Diego?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Key West to San Diego is American Airlines (100% of total bookings).
Best airlines flying from Key West to San Diego
Compare and see reviews for airlines that fly from Key West to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $299 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Key West to San Diego?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Key West.
Can I find flights from Key West to San Diego with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Key West to San Diego flights to just show those with flexible booking policies.
How can momondo help me find flights from Key West to San Diego?
momondo helps you find the best flight between Key West and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Key West to San Diego right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Key West to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.