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$168+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$309
(Delta)

One-way from

$168
(Trip.com)
From Key West to San Diego
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One-way flight from Key West to San Diego
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Find flight deals from Key West to San Diego

Cheapest flights from Key West to San Diego
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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 8/132:00 pmEYW - SAN
1 stop10h 15mDelta
Tue 8/198:00 amSAN - EYW
1 stop9h 12mDelta
Deal found 6/12$309
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 8/132:31 pmEYW - SAN
1 stop8h 33mAmerican Airlines
Tue 8/1910:45 pmSAN - EYW
2 stops11h 27mAmerican Airlines
Deal found 6/12$314
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/36:45 pmEYW - SAN
2 stops22h 26mUnited Airlines
Mon 7/79:40 pmSAN - EYW
1 stop12h 32mUnited Airlines
Deal found 6/10$416
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/31:47 pmEYW - SAN
2 stops24h 55mBreeze Airways
Sun 7/612:48 pmSAN - EYW
2 stops41h 34mBreeze Airways
Deal found 6/10$1,021
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2711:39 amEYW - SAN
2 stops15h 28mAlaska Airlines
Sun 12/285:25 pmSAN - EYW
2 stops15h 26mAlaska Airlines
Deal found 6/12$1,562

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 June 12, 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

Wed 8/13

2:00 pm-9:15 pm

1 stop10h 15m

San Diego

Tue 8/19

8:00 am-8:12 pm

1 stop9h 12m

$309

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Wed 8/13

2:31 pm-8:04 pm

1 stop8h 33m

San Diego

Tue 8/19

10:45 pm-1:12 pm

2 stops11h 27m

$314

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Thu 7/3

6:45 pm-2:11 pm

2 stops22h 26m

San Diego

Mon 7/7

9:40 pm-1:12 pm

1 stop12h 32m

$416

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Thu 7/3

1:47 pm-11:42 am

2 stops24h 55m

San Diego

Sun 7/6

12:48 pm-9:22 am

2 stops41h 34m

$1,021

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Wed 6/25

6:45 pm-6:26 pm

2 stops26h 41m

$168

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Thu 7/10

8:54 am-4:10 pm

2 stops34h 16m

$202

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Thu 7/10

11:48 am-6:00 pm

1 stop9h 12m

$289

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Wed 6/25

8:45 am-3:06 pm

2 stops33h 21m

$327

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Sun 7/6

11:18 am-9:47 pm

1 stop13h 29m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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 June 12, 2025.
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,946 reviews
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,790 reviews
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Allegiant Air
7.3
Good
725 reviews
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
American Airlines
7.2
Good
10,000 reviews
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Entertainment

6.6

Boarding

8.3

Overall

8.1

Comfort

8.2

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

  • What are the cheapest airlines flying from Key West to San Diego round-trip?

    According to our current data, Delta ($309), American Airlines ($314), and United Airlines ($416) offers the cheapest pricing from Key West to San Diego.

  • What are the cheapest airlines to fly from Key West to San Diego one-way?

    The cheapest airlines for a one-way flight from Key West to San Diego are Allegiant Air ($202), Delta ($289), and United Airlines ($327).

  • Can I find deals for flights from Key West to San Diego that include hotel bookings?

    Yes. In addition to deals on Key West to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key West to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to San Diego.

  • Can I find deals for business class flights from Key West to San Diego?

    Yes. Cheapflights offers flight deals from Key West to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key West to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Key West to San Diego (average of $286). Flying from Key West to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$299Average$393FlexibilityNo cancel feeOn-time71%

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