$252+ Cheap flights from Key West to San Diego (EYW - SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAN
May 4 — May 111
1 adult, Economy
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Find cheap flights from Key West to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Key West to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $283 (Delta) |
One-way from | $252 (United Airlines) |
Find flight deals from Key West to San Diego
Cheapest flights from Key West to San DiegoExplore the most affordable flight options available from Key West to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.
Explore the most affordable flight options available from Key West to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:25 pmEYW - SAN
1 stop8h 17mDelta
Tue 6/36:15 amSAN - EYW
1 stop8h 15mDelta
Deal found 4/29![Delta logo]()
$283
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2912:49 pmEYW - SAN
1 stop9h 27mAmerican Airlines
Tue 6/37:22 pmSAN - EYW
2 stops12h 28mAmerican Airlines
Deal found 4/29![American Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:45 pmEYW - SAN
2 stops22h 09mUnited Airlines
Tue 9/27:21 pmSAN - EYW
3 stops33h 39mUnited Airlines
Deal found 4/28![United Airlines logo]()
$451
Cheapflights Fare Finder
Customize your flight search to find flights from Key West to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Key West to San Diego that are best for you.
Fly from
Key West
Fly to
San Diego
Route
Depart
Return
Price
Key WestSan Diego
EYW - SAN
EYWSAN
Key West
Thu 5/29
6:25 pm-11:42 pm
1 stop8h 17m
San Diego
Tue 6/3
6:15 am-5:30 pm
1 stop8h 15m
$283
Key WestSan Diego
EYW - SAN
EYWSAN
Key West
Thu 5/29
12:49 pm-7:16 pm
1 stop9h 27m
San Diego
Tue 6/3
7:22 pm-10:50 am
2 stops12h 28m
$314
Key WestSan Diego
EYW - SAN
EYWSAN
Key West
Thu 5/29
8:45 am-10:14 pm
2 stops16h 29m
San Diego
Tue 6/3
8:40 am-8:00 am
3 stops20h 20m
$529
Key WestSan Diego
EYW - SAN
EYWSAN
Key West
Sat 5/31
8:45 am-10:14 pm
2 stops16h 29m
$252
Compare providers for flights from Key West to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Key West to San Diego in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Key West-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Key West-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Key West-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Key West-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Key West to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Key West with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Key West to San Diego
What is the cheapest time of day to fly from EYW to SAN?
Find hourly flight availability from Key West to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from Key West to San Diego by exploring options for tickets in the afternoon.
Rainfall in San Diego by month
Plan your trip to San Diego by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.
Temperature in San Diego by month
Plan your trip to San Diego by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated April 29, 2025.
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.3
Overall
8.0
Comfort
7.9
Boarding
8.2
Crew
8.5
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Key West to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsEl Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
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Alternative routes for Key West to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Key West to San Diego
Discover the top airline that operate flights from Key West to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$299 | Average$447 | FlexibilityNo cancel fee | On-time71% |