Cheap flights from Florida Keys to San Diego from $45
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Florida Keys to San Diego departing on 6/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Florida Keys to San Diego
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Spirit Airlines flights from Florida Keys to San Diego
Our best Spirit Airlines deals on Florida Keys to San Diego flight tickets
Frontier flights from Florida Keys to San Diego
Our best Frontier deals on Florida Keys to San Diego flight tickets
See travel insights to San Diego from
How to get the cheapest flight ticket from Florida Keys 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 month to fly to San Diego?
If you are unable to visit San Diego during the month of April, then departing from Florida Keys during the month August is also very affordable. Most momondo users find prices during this month for around $357.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Florida Keys to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $373. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $554. 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 at noon when flights can be purchased for as low as $258. Flights in the afternoon are often more expensive with an average ticket price of $431.
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from Florida Keys when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $401 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Florida Keys for as low as $329 on momondo.
Cheap Florida Keys to San Diego flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Florida Keys to San Diego
When did momondo last update prices for flights from Florida Keys to San Diego Airport?
Prices for flights from Florida Keys to San Diego Airport are updated daily.
How many operators does momondo search for flights from Florida Keys to San Diego Airport?
The number of operators available for flights from Florida Keys to San Diego Airport is 7 as of May 2025.
How old do you have to be to fly from Florida Keys to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Florida Keys to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Florida Keys to San Diego?
Based on momondo bookings for flights between Florida Keys and San Diego, the leading plane model is Boeing 737 MAX 8, making up 9.77% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 9.14%, Boeing 737 MAX 9 with 8.92%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 8.07%.
Best airlines flying from Florida Keys to San Diego
Compare and see reviews for airlines that fly from Florida Keys 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 Florida Keys to San Diego?
It is quick and easy to find Florida Keys to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.
Can I find flights from Florida Keys to San Diego with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Diego from Florida Keys which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Florida Keys to San Diego?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Florida Keys to San Diego.
I’m not ready to book a flight from Florida Keys to San Diego right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Diego from Florida Keys. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.