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Key West

$181+ Cheap flights from San Diego to Key West (SAN - EYW)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — EYW
Apr 24 — May 11
Fri 4/24
Fri 5/1
1 adult, Economy
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Cheap flight deals from San Diego to Key West

Cheapest flights from San Diego to Key West
Explore the most affordable flight options available from San Diego to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2026.

This Delta deal was found by Cheapflights users on 3/24. 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 5/69:45 pm
SAN
-
EYW
1 stop10h 08m
Delta
Tue 5/126:19 pm
EYW
-
SAN
1 stop8h 08m
Delta
Deal found 3/24$375
This American Airlines deal was found by Cheapflights users on 3/24. 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 5/68:15 am
SAN
-
EYW
2 stops11h 43m
American Airlines
Tue 5/122:29 pm
EYW
-
SAN
1 stop10h 31m
American Airlines
Deal found 3/24$380
This Delta deal was found by Cheapflights users on 3/23. 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.
Sat 11/78:00 am
SAN
-
EYW
1 stop8h 43m
Delta
Wed 11/112:35 pm
EYW
-
SAN
1 stop10h 06m
Delta
Deal found 3/23$435
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Sat 4/47:10 am
SAN
-
EYW
2 stops12h 27m
American Airlines
Wed 4/83:58 pm
EYW
-
SAN
1 stop9h 30m
American Airlines
Deal found 3/21$454
This Delta deal was found by Cheapflights users on 3/22. 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 4/169:45 pm
SAN
-
EYW
1 stop10h 01m
Delta
Mon 4/206:23 pm
EYW
-
SAN
1 stop8h 02m
Delta
Deal found 3/22$459
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 5/126:15 am
SAN
-
EYW
1 stop7h 47m
American Airlines
Sat 5/163:58 pm
EYW
-
SAN
1 stop9h 30m
American Airlines
Deal found 3/24$460
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 5/58:15 am
SAN
-
EYW
2 stops10h 38m
American Airlines
Sat 5/93:58 pm
EYW
-
SAN
2 stops9h 02m
American Airlines
Deal found 3/24$471
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Tue 11/176:15 am
SAN
-
EYW
2 stops10h 14m
American Airlines
Fri 11/2012:40 pm
EYW
-
SAN
1 stop9h 00m
American Airlines
Deal found 3/21$490

Find flight deals from San Diego to Key West

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Key West (EYW). 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 March 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$375
(Delta)

One-way from

$181
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$593
Provider with most accurate pricing for San Diego-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Key West flights.
Search Deals
From San Diego to Key West
Search Deals
One-way flight from San Diego to Key West
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Key West 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 March 25, 2026.
Use the filters below to find and compare flights from San Diego to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Mon 7/6

10:30 pm-11:00 am

1 stop9h 30m

Key West

Wed 7/15

7:45 am-1:08 pm

1 stop8h 23m

$520
Quickest round-trip

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sat 5/2

6:15 am-4:02 pm

1 stop6h 47m

Key West

Wed 5/6

4:47 pm-9:25 pm

1 stop7h 38m

$549

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Mon 4/20

6:15 am-3:57 pm

1 stop6h 42m

Key West

Mon 4/27

3:52 pm-10:59 pm

1 stop10h 07m

$554

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sun 4/26

9:45 pm-10:54 am

2 stops10h 09m

Key West

Wed 4/29

4:20 pm-11:56 pm

2 stops10h 36m

$556

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Mon 7/6

10:28 pm-12:14 pm

1 stop10h 46m

Key West

Fri 7/10

2:21 pm-8:03 pm

1 stop8h 42m

$585

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sat 4/4

10:35 pm-12:54 pm

1 stop11h 19m

Key West

Wed 4/8

3:58 pm-10:28 pm

1 stop9h 30m

$638

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sat 8/29

10:44 am-10:11 pm

1 stop8h 27m

Key West

Wed 9/2

2:20 pm-10:49 pm

1 stop11h 29m

$727

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Tue 6/9

1:39 pm-1:30 pm

3 stops20h 51m

Key West

Fri 6/12

2:26 pm-12:41 pm

2 stops25h 15m

$877
Cheapest one-way

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sat 9/19

10:40 pm-10:58 am

1 stop9h 18m

$278
Quickest one-way

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 4/22

6:15 am-5:02 pm

1 stop7h 47m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from San Diego to Key West

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 San Diego to Key West in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Key West flights, Cheapflights users trust FlightHub the most. FlightHub 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 San Diego-Key West 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 San Diego to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from San Diego 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 San Diego to Key West

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

Currently, April is the cheapest month in which you can book a flight from San Diego to Key West (average of $254). Flying from San Diego to Key West in July is currently the most expensive (average of $437). 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.

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated March 25, 2026.
Read reviews from past customers who have flown Delta and American Airlines from San Diego to Key West. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,327 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
Delta
7.9
Good
8,327 reviews
Delta
7.9
Good
8,327 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.
American Airlines
7.1
Good
11,493 reviews
Delta
7.9
Good
8,327 reviews

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Diego to Key West?

    There are many flights that can get you from San Diego to Key West in 6h 47m. Fly via Delta or United Airlines to get the fastest option. The distance between San Diego and Key West is about 2209 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $309, American Airlines will fly you from San Diego to Key West and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $338. You may be able to fly from San Diego to Key West for 34% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Key West 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 San Diego to Key West?

    Currently, April is the cheapest month in which you can book a flight from San Diego to Key West (average of $254). Flying from San Diego to Key West in July is currently the most expensive (average of $437). 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

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Top 2 airlines flying from San Diego to Key West

Discover the top 2 airlines that operate flights from San Diego to Key West. 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 March 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$309Average$459FlexibilityNo cancel feeOn-time71%
DeltaCheapest$338Average$431FlexibilityNo cancel feeOn-timeN/A

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