$217+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — EYW
Jun 25 — Jul 21
Round-trip
1 adult, Economy
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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
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Best
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Cheapest flights from San Diego to Key WestExplore 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 May 26, 2026.
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 May 26, 2026.
This Delta deal was found by Cheapflights users on 5/23. 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 11/76:20 am
SAN
- EYW
1 stop7h 51m
Delta
Wed 11/112:35 pm
EYW
- SAN
1 stop10h 06m
Delta
Deal found 5/23![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 5/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:15 am
SAN
- EYW
2 stops10h 14m
American Airlines
Wed 11/118:06 am
EYW
- SAN
1 stop8h 43m
American Airlines
Deal found 5/23![American Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Mon 7/2010:30 pm
SAN
- EYW
1 stop12h 00m
United Airlines
Wed 7/294:00 pm
EYW
- SAN
1 stop9h 34m
United Airlines
Deal found 5/26![United Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 5/22. 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.
Sun 11/88:00 am
SAN
- EYW
1 stop8h 43m
Delta
Sat 11/146:00 pm
EYW
- SAN
1 stop8h 03m
Delta
Deal found 5/22![Delta logo]()
$482
This American Airlines deal was found by Cheapflights users on 5/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:02 pm
SAN
- EYW
2 stops11h 59m
American Airlines
Sat 11/1412:40 pm
EYW
- SAN
1 stop11h 31m
American Airlines
Deal found 5/22![American Airlines logo]()
$487
This American Airlines deal was found by Cheapflights users on 5/26. 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.
Mon 6/2210:26 pm
SAN
- EYW
1 stop9h 30m
American Airlines
Tue 6/304:17 pm
EYW
- SAN
1 stop10h 31m
American Airlines
Deal found 5/26![American Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 5/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:50 am
SAN
- EYW
1 stop8h 57m
American Airlines
Tue 7/72:21 pm
EYW
- SAN
1 stop7h 59m
American Airlines
Deal found 5/23![American Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 5/25. 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 6/2710:30 pm
SAN
- EYW
1 stop9h 23m
Delta
Thu 7/26:24 pm
EYW
- SAN
1 stop7h 36m
Delta
Deal found 5/25![Delta logo]()
$561
This American Airlines deal was found by Cheapflights users on 5/25. 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 6/2710:45 pm
SAN
- EYW
2 stops11h 22m
American Airlines
Thu 7/21:01 pm
EYW
- SAN
1 stop8h 49m
American Airlines
Deal found 5/25![American Airlines logo]()
$565
Best flights from San Diego to Key WestDiscover carefully curated flight deals from San Diego to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 26, 2026.
Discover carefully curated flight deals from San Diego to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 26, 2026.
This Delta deal was found by Cheapflights users on 5/23. 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 11/76:20 am
SAN
- EYW
1 stop7h 51m
Delta
Wed 11/112:35 pm
EYW
- SAN
1 stop10h 06m
Delta
Deal found 5/23![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 5/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:15 am
SAN
- EYW
2 stops10h 14m
American Airlines
Wed 11/114:26 pm
EYW
- SAN
2 stops10h 30m
American Airlines
Deal found 5/23![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Mon 7/2010:30 pm
SAN
- EYW
1 stop12h 00m
United Airlines
Wed 7/294:00 pm
EYW
- SAN
1 stop9h 34m
United Airlines
Deal found 5/26![United Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 5/22. 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.
Sun 11/88:00 am
SAN
- EYW
1 stop8h 43m
Delta
Sat 11/146:00 pm
EYW
- SAN
1 stop8h 03m
Delta
Deal found 5/22![Delta logo]()
$482
This American Airlines deal was found by Cheapflights users on 5/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:02 pm
SAN
- EYW
2 stops11h 59m
American Airlines
Sat 11/144:26 pm
EYW
- SAN
2 stops10h 30m
American Airlines
Deal found 5/22![American Airlines logo]()
$492
This American Airlines deal was found by Cheapflights users on 5/26. 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.
Mon 6/229:25 pm
SAN
- EYW
2 stops12h 42m
American Airlines
Tue 6/304:17 pm
EYW
- SAN
1 stop10h 31m
American Airlines
Deal found 5/26![American Airlines logo]()
$533
This Delta deal was found by Cheapflights users on 5/25. 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.
Tue 6/96:15 am
SAN
- EYW
1 stop8h 12m
Delta
Sat 6/134:00 pm
EYW
- SAN
1 stop10h 00m
Delta
Deal found 5/25![Delta logo]()
$646
This Delta deal was found by Cheapflights users on 5/26. 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.
Mon 7/207:00 pm
SAN
- EYW
2 stops13h 00m
Delta
Wed 7/296:18 pm
EYW
- SAN
1 stop7h 39m
Delta
Deal found 5/26![Delta logo]()
$652
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 6/91:39 pm
SAN
- EYW
3 stops20h 51m
United Airlines
Fri 6/122:26 pm
EYW
- SAN
2 stops26h 42m
United Airlines
Deal found 5/26![United Airlines logo]()
$871
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:30 pm
SAN
- EYW
1 stop12h 00m
United Airlines
Fri 6/123:55 pm
EYW
- SAN
1 stop9h 44m
United Airlines
Deal found 5/24![United Airlines logo]()
$895
This Delta deal was found by Cheapflights users on 5/25. 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.
Mon 8/2410:30 pm
SAN
- EYW
1 stop9h 20m
Delta
Fri 8/281:57 pm
EYW
- SAN
1 stop8h 38m
Delta
Deal found 5/25![Delta logo]()
$855
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:15 pm
SAN
- EYW
2 stops20h 14m
United Airlines
Wed 8/262:20 pm
EYW
- SAN
2 stops23h 57m
United Airlines
Deal found 5/23![United Airlines logo]()
$1,078
Last-minute flights from San Diego to Key WestDiscover last-minute flight deals from San Diego to Key West. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Key West. Data last updated May 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/26. 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 5/2610:28 pm
SAN
- EYW
1 stop10h 48m
American Airlines
Sat 5/304:19 pm
EYW
- SAN
1 stop10h 20m
American Airlines
Deal found 5/26![American Airlines logo]()
$627
This American Airlines deal was found by Cheapflights users on 5/25. 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 6/96:15 am
SAN
- EYW
1 stop7h 37m
American Airlines
Sat 6/1311:31 am
EYW
- SAN
2 stops11h 36m
American Airlines
Deal found 5/25![American Airlines logo]()
$636
This Delta deal was found by Cheapflights users on 5/25. 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.
Tue 6/96:15 am
SAN
- EYW
1 stop8h 12m
Delta
Sat 6/134:00 pm
EYW
- SAN
1 stop10h 00m
Delta
Deal found 5/25![Delta logo]()
$646
This American Airlines deal was found by Cheapflights users on 5/26. 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 6/910:26 pm
SAN
- EYW
1 stop9h 30m
American Airlines
Fri 6/127:40 pm
EYW
- SAN
1 stop18h 18m
American Airlines
Deal found 5/26![American Airlines logo]()
$755
This American Airlines deal was found by Cheapflights users on 5/26. 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.
Mon 6/2210:26 pm
SAN
- EYW
1 stop9h 30m
American Airlines
Tue 6/304:17 pm
EYW
- SAN
1 stop10h 31m
American Airlines
Deal found 5/26![American Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 5/25. 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 6/2710:30 pm
SAN
- EYW
1 stop9h 23m
Delta
Thu 7/26:24 pm
EYW
- SAN
1 stop7h 36m
Delta
Deal found 5/25![Delta logo]()
$561
This American Airlines deal was found by Cheapflights users on 5/25. 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 6/2710:45 pm
SAN
- EYW
2 stops11h 22m
American Airlines
Thu 7/21:01 pm
EYW
- SAN
1 stop8h 49m
American Airlines
Deal found 5/25![American Airlines logo]()
$565
One-way flights from San Diego to Key WestSearch for one-way flight options from San Diego to Key West. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
Search for one-way flight options from San Diego to Key West. Find affordable one-way fares based on user searches. Data last updated May 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:24 pm
SAN
- EYW
3 stops19h 42m
Breeze Airways
Deal found 5/24![Breeze Airways logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Tue 7/712:54 pm
SAN
- EYW
2 stops43h 31m
Breeze Airways
Deal found 5/26![Breeze Airways logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:31 pm
SAN
- EYW
3 stops36h 35m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:33 pm
SAN
- EYW
2 stops43h 33m
Breeze Airways
Deal found 5/24![Breeze Airways logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:17 pm
SAN
- EYW
3 stops23h 56m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Tue 7/74:12 pm
SAN
- EYW
3 stops40h 13m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Tue 6/912:54 pm
SAN
- EYW
2 stops43h 31m
Breeze Airways
Deal found 5/26![Breeze Airways logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 7/3012:09 pm
SAN
- EYW
1 stop19h 18m
Breeze Airways
Deal found 5/25![Breeze Airways logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 5/26. 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.
Mon 7/64:12 pm
SAN
- EYW
3 stops17h 22m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 10/412:37 pm
SAN
- EYW
2 stops44h 59m
Breeze Airways
Deal found 5/26![Breeze Airways logo]()
$291
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 May 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $480 (United Airlines) |
One-way from | $233 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $602 |
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 May 26, 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
Cheapest round-trip
San DiegoKey West
SAN - EYW
SANEYW
San Diego
Sat 11/7
6:20 am-5:11 pm
1 stop7h 51m
Key West
Wed 11/11
2:35 pm-9:41 pm
1 stop10h 06m
$429
San DiegoKey West
SAN - EYW
SANEYW
San Diego
Sat 11/7
6:15 am-7:29 pm
2 stops10h 14m
Key West
Wed 11/11
4:26 pm-11:56 pm
2 stops10h 30m
$439
San DiegoKey West
SAN - EYW
SANEYW
San Diego
Mon 7/20
10:30 pm-1:30 pm
1 stop12h 00m
Key West
Wed 7/29
4:00 pm-10:34 pm
1 stop9h 34m
$480
Quickest round-trip
San DiegoKey West
SAN - EYW
SANEYW
San Diego
Sun 11/8
8:00 am-7:43 pm
1 stop8h 43m
Key West
Sat 11/14
6:00 pm-11:03 pm
1 stop8h 03m
$482
San DiegoKey West
SAN - EYW
SANEYW
San Diego
Sun 11/8
10:02 pm-1:01 pm
2 stops11h 59m
Key West
Sat 11/14
4:26 pm-11:56 pm
2 stops10h 30m
$492
San DiegoKey West
SAN - EYW
SANEYW
San Diego
Mon 6/22
9:25 pm-1:07 pm
2 stops12h 42m
Key West
Tue 6/30
4:17 pm-11:48 pm
1 stop10h 31m
$533
San DiegoKey West
SAN - EYW
SANEYW
San Diego
Tue 6/9
6:15 am-5:27 pm
1 stop8h 12m
Key West
Sat 6/13
4:00 pm-11:00 pm
1 stop10h 00m
$646
San DiegoKey West
SAN - EYW
SANEYW
San Diego
Mon 7/20
7:00 pm-11:00 am
2 stops13h 00m
Key West
Wed 7/29
6:18 pm-10:57 pm
1 stop7h 39m
$652
San DiegoKey West
SAN - EYW
SANEYW
San Diego
Mon 8/24
10:30 pm-10:50 am
1 stop9h 20m
Key West
Fri 8/28
1:57 pm-7:35 pm
1 stop8h 38m
$855
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-2:08 pm
2 stops26h 42m
$871
Showing 1-10 of 19 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SAN-EYW
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, September is the cheapest month in which you can book a flight from San Diego to Key West (average of $314). Flying from San Diego to Key West in July is currently the most expensive (average of $645). 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.
How much does it cost to fly round-trip from San Diego to Key West?
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 May 26, 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.
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Comfort
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
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Top 2 airlines flying from San Diego to Key West
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$302 | Average$516 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$314 | Average$473 | FlexibilityNo cancel fee | On-time71% |