San Diego

$154+ Cheap flights from Florida Keys to San Diego (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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SAN
May 9 — May 161
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Cheap flight deals from Florida Keys to San Diego

Cheapest flights from Florida Keys to San Diego
Explore the most affordable flight options available from Florida Keys to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:15 pm
MIA
-
SAN
2 stops13h 44m
Frontier
Sun 4/197:20 am
SAN
-
MIA
1 stop10h 59m
Frontier
Deal found 4/5$378
This American Airlines deal was found by Cheapflights users on 4/6. 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 5/208:40 am
MIA
-
SAN
Nonstop5h 36m
American Airlines
Tue 5/2612:36 pm
SAN
-
MIA
Nonstop5h 19m
American Airlines
Deal found 4/6$379
This American Airlines deal was found by Cheapflights users on 4/5. 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 5/208:40 am
MIA
-
SAN
Nonstop5h 36m
American Airlines
Wed 5/2710:25 pm
SAN
-
MIA
Nonstop5h 11m
American Airlines
Deal found 4/5$380
This Super.com deal was found by Cheapflights users on 4/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:50 am
MIA
-
SAN
1 stop21h 15m
Frontier
Sun 4/129:28 pm
SAN
-
MIA
1 stop29h 21m
Frontier
Deal found 4/6$381
This Gotogate deal was found by Cheapflights users on 4/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/65:50 am
MIA
-
SAN
1 stop21h 12m
Frontier
Sun 4/129:28 pm
SAN
-
MIA
1 stop29h 21m
Frontier
Deal found 4/5$382
This American Airlines deal was found by Cheapflights users on 4/8. 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 5/137:50 pm
MIA
-
SAN
Nonstop5h 38m
American Airlines
Wed 5/2012:53 pm
SAN
-
MIA
Nonstop5h 06m
American Airlines
Deal found 4/8$383
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:09 pm
MIA
-
SAN
2 stops32h 52m
Multiple Airlines
Mon 4/206:25 am
SAN
-
MIA
1 stop19h 40m
Multiple Airlines
Deal found 4/7$384
This eDestinos deal was found by Cheapflights users on 4/5. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:47 pm
MIA
-
SAN
2 stops27h 25m
Frontier
Wed 5/276:25 am
SAN
-
MIA
2 stops21h 35m
Frontier
Deal found 4/5$386
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:00 am
MIA
-
SAN
1 stop15h 30m
Frontier
Fri 6/128:29 pm
SAN
-
MIA
2 stops24h 05m
Frontier
Deal found 4/8$387
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:05 am
MIA
-
SAN
1 stop9h 19m
Multiple Airlines
Tue 9/86:25 am
SAN
-
MIA
2 stops21h 51m
Multiple Airlines
Deal found 4/8$388
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:05 am
MIA
-
SAN
1 stop9h 19m
Multiple Airlines
Thu 5/141:38 pm
SAN
-
MIA
2 stops13h 00m
Multiple Airlines
Deal found 4/8$390
This American Airlines deal was found by Cheapflights users on 4/4. 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 4/236:45 am
EYW
-
SAN
1 stop8h 08m
American Airlines
Sat 4/2510:05 pm
SAN
-
EYW
1 stop9h 49m
American Airlines
Deal found 4/4$412

Find flight deals from Florida Keys to San Diego

Keep the following information in mind while searching for Florida Keys to San Diego flight deals. Data was last updated April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$378
(American Airlines)

One-way from

$154
(Kiwi.com)
Provider with most accurate pricing for Key West-San Diego flight deals.
Provider most trusted by Cheapflights users for Key West-San Diego flights.
From Florida Keys to San Diego
One-way flight from Florida Keys to San Diego

Cheapflights Fare Finder

 
Customize your flight search to find flights from Florida Keys 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 9, 2026.
Use the filters below to find and compare flights from Florida Keys to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Thu 4/23

3:58 pm-10:00 pm

2 stops9h 02m

San Diego

Sat 4/25

9:12 am-10:36 pm

2 stops10h 24m

$423

MiamiSan Diego

MIA - SAN

MIASAN

Miami

Fri 5/22

6:30 pm-11:15 pm

1 stop7h 45m

San Diego

Tue 5/26

8:00 am-7:58 pm

1 stop8h 58m

$432

MiamiSan Diego

MIA - SAN

MIASAN

Miami

Tue 6/16

7:00 am-12:17 pm

1 stop8h 17m

San Diego

Tue 6/23

7:13 pm-5:42 am

1 stop7h 29m

$440

MiamiSan Diego

MIA - SAN

MIASAN

Miami

Thu 6/4

5:00 pm-11:05 pm

2 stops9h 05m

San Diego

Mon 6/8

10:40 pm-2:25 pm

2 stops12h 45m

$447

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Thu 4/23

2:40 pm-8:50 pm

1 stop9h 10m

San Diego

Sat 4/25

10:30 pm-10:46 am

1 stop9h 16m

$449

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Fri 5/8

11:56 am-7:00 pm

1 stop10h 04m

San Diego

Fri 5/15

9:12 am-10:58 pm

2 stops10h 46m

$460

MiamiSan Diego

MIA - SAN

MIASAN

Miami

Wed 6/24

5:10 pm-10:40 pm

2 stops8h 30m

San Diego

Sat 7/11

6:25 am-11:00 pm

2 stops13h 35m

$475

MiamiSan Diego

MIA - SAN

MIASAN

Miami

Fri 7/3

5:35 am-10:55 am

2 stops8h 20m

San Diego

Mon 7/6

10:40 pm-3:50 pm

1 stop14h 10m

$476

MiamiSan Diego

MIA - SAN

MIASAN

Miami

Mon 7/27

4:15 pm-11:05 pm

2 stops9h 50m

San Diego

Sat 8/1

10:40 pm-2:30 pm

1 stop12h 50m

$476

Key WestSan Diego

EYW - SAN

EYWSAN

Key West

Sat 5/9

6:45 am-11:16 am

1 stop7h 31m

San Diego

Fri 5/15

9:12 am-10:58 pm

2 stops10h 46m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from Florida Keys to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Florida Keys 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 Florida Keys to San Diego
No data available for this route at this time. Please check back soon.

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 9, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Florida Keys to San Diego have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Entertainment

7.0

Crew

8.5

Food

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

7.9

Entertainment

7.0

Crew

8.5

Food

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

7.9

Entertainment

7.0

Crew

8.5

Food

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

7.9

Entertainment

7.0

Crew

8.5

Food

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

7.9

Entertainment

7.0

Crew

8.5

Food

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Overall

7.9

Entertainment

7.0

Crew

8.5

Food

7.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Florida Keys 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 airport do you fly into for flights to San Diego from Florida Keys?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly into when you book flights from Florida Keys to San Diego.

  • How long is the flight from Florida Keys to San Diego?

    For as low as $432, American Airlines can have you in San Diego from Florida Keys in 7h 45m. Florida Keys and San Diego are separated by a distance of 2262 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Florida Keys to San Diego one-way?

    The cheapest airlines for a one-way flight from Florida Keys to San Diego are Frontier ($78), Spirit Airlines ($88), and United Airlines ($125).

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

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

  • How can I find direct flights from Florida Keys to San Diego?

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

  • Can I find deals for business class flights from Florida Keys to San Diego?

    Yes. Cheapflights offers flight deals from Florida Keys 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.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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