$378+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — EYW
Sep 25 — Oct 21
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Key West with Cheapflights
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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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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 San Diego to Key West
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Best
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One-way
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 August 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 August 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:22 pm -
1 stop18h 20m
Wed 11/1810:04 am -
2 stops33h 04m
Deal found 8/23![Multiple Airlines logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:25 am -
2 stops27h 11m
Wed 11/181:22 pm -
1 stop25h 30m
Deal found 8/23![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:25 am -
2 stops24h 54m
Wed 11/181:22 pm -
1 stop25h 30m
Deal found 8/23![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:22 pm -
1 stop18h 20m
Thu 11/1910:59 am -
2 stops15h 58m
Deal found 8/23![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:53 pm -
2 stops37h 31m
Wed 11/181:22 pm -
1 stop25h 30m
Deal found 8/23![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:37 pm -
1 stop19h 42m
Thu 11/1910:59 am -
2 stops15h 58m
Deal found 8/23![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:25 am -
2 stops23h 59m
Mon 10/511:59 am -
1 stop27h 38m
Deal found 8/22![Multiple Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:22 pm -
1 stop18h 20m
Mon 11/1612:59 pm -
2 stops29h 59m
Deal found 8/23![Multiple Airlines logo]()
$486
This American Airlines deal was found by Cheapflights users on 8/23. 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.
Wed 11/116:15 am -
1 stop7h 40m
Wed 11/181:52 pm -
1 stop9h 53m
Deal found 8/23![American Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:22 pm -
1 stop18h 20m
Wed 11/181:22 pm -
1 stop25h 30m
Deal found 8/23![Breeze Airways logo]()
$490
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 10/3110:25 pm -
1 stop9h 23m
Thu 11/54:44 pm -
1 stop9h 54m
Deal found 8/24![American Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:22 pm -
1 stop18h 20m
Tue 11/171:16 pm -
2 stops29h 42m
Deal found 8/23![Multiple Airlines logo]()
$498
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 August 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 August 26, 2026.
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/237:41 pm -
2 stops12h 30m
Sat 2/64:05 pm -
1 stop8h 52m
Deal found 8/22![United Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 8/24. 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.
Thu 10/88:00 am -
1 stop9h 01m
Thu 10/157:40 am -
1 stop8h 04m
Deal found 8/24![Delta logo]()
$571
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Sat 1/237:41 pm -
2 stops12h 30m
Sat 1/302:30 pm -
1 stop11h 08m
Deal found 8/24![United Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 8/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/110:42 pm -
1 stop11h 51m
Wed 1/66:20 pm -
2 stops17h 23m
Deal found 8/25![United Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 8/26. 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 1/510:30 pm -
1 stop11h 32m
Fri 1/84:05 pm -
2 stops19h 38m
Deal found 8/26![United Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/1510:25 pm -
1 stop12h 04m
Fri 9/182:20 pm -
2 stops25h 41m
Deal found 8/24![United Airlines logo]()
$775
Last-minute flights from San Diego to Key WestDiscover last-minute flight deals from San Diego to Key West. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Key West. Data last updated August 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/21. 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 8/2910:45 pm -
1 stop7h 59m
Tue 9/11:50 pm -
1 stop8h 54m
Deal found 8/21![American Airlines logo]()
$555
This Trip.com deal was found by Cheapflights users on 8/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:25 am -
2 stops33h 48m
Tue 9/11:14 pm -
2 stops22h 51m
Deal found 8/21![Multiple Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 8/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:25 pm -
1 stop12h 04m
Wed 9/162:20 pm -
1 stop11h 29m
Deal found 8/22![United Airlines logo]()
$823
This Delta deal was found by Cheapflights users on 8/24. 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.
Mon 9/144:23 pm -
2 stops15h 23m
Thu 9/1711:42 am -
1 stop8h 23m
Deal found 8/24![Delta logo]()
$893
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/1510:25 pm -
1 stop12h 04m
Fri 9/182:20 pm -
2 stops25h 41m
Deal found 8/24![United Airlines logo]()
$775
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 August 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 August 26, 2026.
This JetBlue deal was found by Cheapflights users on 8/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:55 pm -
1 stop12h 00m
Deal found 8/24![JetBlue logo]()
$378
This Delta deal was found by Cheapflights users on 8/24. 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 11/186:47 pm -
2 stops13h 01m
Deal found 8/24![Delta logo]()
$391
This American Airlines deal was found by Cheapflights users on 8/25. 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.
Wed 11/46:15 am -
1 stop7h 40m
Deal found 8/25![American Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Thu 11/1910:45 pm -
2 stops11h 21m
Deal found 8/24![American Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 8/24. 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 11/410:05 pm -
2 stops18h 56m
Deal found 8/24![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Wed 11/182:08 pm -
3 stops20h 44m
Deal found 8/24![United Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 8/23. 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.
Wed 11/411:21 am -
3 stops25h 08m
Deal found 8/23![United Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 11/2010:45 pm -
2 stops15h 30m
Deal found 8/24![American Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Sun 11/222:08 pm -
3 stops20h 44m
Deal found 8/24![United Airlines logo]()
$598
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 August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $421 (Kiwi.com) |
One-way from | $378 (JetBlue) |
Popular in | June |
Cheapest in | October |
Average price | $758 |
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 7,457,451 searches. Data last updated August 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 San Diego - EYW Key West
SANEYW
San Diego
Sat 1/23
7:41 pm-11:11 am
2 stops12h 30m
Key West
Sat 2/6
4:05 pm-9:57 pm
1 stop8h 52m
$466
San DiegoKey West
SAN San Diego - EYW Key West
SANEYW
San Diego
Sat 1/23
7:41 pm-11:11 am
2 stops12h 30m
Key West
Sat 1/30
2:30 pm-10:38 pm
1 stop11h 08m
$467
Quickest round-trip
San DiegoKey West
SAN San Diego - EYW Key West
SANEYW
San Diego
Thu 10/8
8:00 am-8:01 pm
1 stop9h 01m
Key West
Thu 10/15
7:40 am-12:44 pm
1 stop8h 04m
$571
San DiegoKey West
SAN San Diego - EYW Key West
SANEYW
San Diego
Fri 1/1
10:42 pm-1:33 pm
1 stop11h 51m
Key West
Wed 1/6
6:20 pm-8:43 am
2 stops17h 23m
$572
San DiegoKey West
SAN San Diego - EYW Key West
SANEYW
San Diego
Tue 1/5
10:30 pm-1:02 pm
1 stop11h 32m
Key West
Fri 1/8
4:05 pm-8:43 am
2 stops19h 38m
$572
San DiegoKey West
SAN San Diego - EYW Key West
SANEYW
San Diego
Tue 9/15
10:25 pm-1:29 pm
1 stop12h 04m
Key West
Fri 9/18
2:20 pm-1:01 pm
2 stops25h 41m
$775
Cheapest one-way
San DiegoKey West
SAN San Diego - EYW Key West
SANEYW
San Diego
Sat 11/21
8:55 pm-11:55 am
1 stop12h 00m
$378
Quickest one-way
San DiegoKey West
SAN San Diego - EYW Key West
SANEYW
San Diego
Wed 11/4
6:15 am-4:55 pm
1 stop7h 40m
$431
San DiegoKey West
SAN San Diego - EYW Key West
SANEYW
San Diego
Wed 11/18
8:00 am-8:00 pm
1 stop9h 00m
$433
San DiegoKey West
SAN San Diego - EYW Key West
SANEYW
San Diego
Fri 11/20
8:55 pm-12:20 pm
1 stop12h 25m
$433
Showing 1-10 of 12 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 August.
| 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.
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 August 26, 2026.
Read reviews from past customers who have flown 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.
Crew
7.9
Boarding
7.5
Comfort
7.2
Food
6.4
Entertainment
6.8
Overall
7.1
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Crew
7.9
Boarding
7.5
Comfort
7.2
Food
6.4
Entertainment
6.8
Overall
7.1
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
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.
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Complete your trip
Complete your trip to Key West by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Key West
Explore flights to Key West departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
San Diego and Key West flights
Browse other San Diego and Key West flight options. Last updated on August 26, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from San Diego to Key West
Discover the top airline 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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$312 | Average$485 | FlexibilityNo cancel fee | On-time71% |