$197+ Cheap flights from San Francisco to Key West (SFO - 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — EYW
Aug 28 — Sep 41
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco 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 Francisco to Key West
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Best
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One-way
Cheapest flights from San Francisco to Key WestExplore the most affordable flight options available from San Francisco to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
Explore the most affordable flight options available from San Francisco to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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 9/510:00 pm
SFO
- EYW
1 stop9h 50m
Delta
Wed 9/96:19 pm
EYW
- SFO
1 stop8h 38m
Delta
Deal found 7/27![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 7/27. 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 9/116:12 am
SFO
- EYW
1 stop8h 43m
American Airlines
Tue 9/152:15 pm
EYW
- SFO
1 stop8h 53m
American Airlines
Deal found 7/27![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 7/26. 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 8/177:30 am
SFO
- EYW
1 stop9h 09m
American Airlines
Sat 8/227:10 pm
EYW
- SFO
1 stop8h 44m
American Airlines
Deal found 7/26![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 12/29:00 am
SFO
- EYW
1 stop9h 45m
American Airlines
Mon 12/74:53 pm
EYW
- SFO
1 stop8h 56m
American Airlines
Deal found 7/26![American Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 7/25. 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 9/510:00 pm
SFO
- EYW
1 stop9h 50m
Delta
Sun 9/66:15 pm
EYW
- SFO
1 stop8h 43m
Delta
Deal found 7/25![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 10/299:46 pm
SFO
- EYW
1 stop9h 03m
American Airlines
Sun 11/12:26 pm
EYW
- SFO
1 stop11h 05m
American Airlines
Deal found 7/26![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 7/27. 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 12/712:25 am
SFO
- EYW
1 stop8h 40m
American Airlines
Mon 12/142:31 pm
EYW
- SFO
1 stop11h 21m
American Airlines
Deal found 7/27![American Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 8/69:35 pm
SFO
- EYW
1 stop9h 09m
American Airlines
Mon 8/178:09 pm
EYW
- SFO
1 stop7h 45m
American Airlines
Deal found 7/25![American Airlines logo]()
$469
Best flights from San Francisco to Key WestDiscover carefully curated flight deals from San Francisco to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
Discover carefully curated flight deals from San Francisco to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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 9/510:00 pm
SFO
- EYW
1 stop9h 50m
Delta
Wed 9/96:19 pm
EYW
- SFO
1 stop8h 38m
Delta
Deal found 7/27![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 7/26. 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 8/177:30 am
SFO
- EYW
1 stop9h 09m
American Airlines
Sat 8/227:10 pm
EYW
- SFO
1 stop8h 44m
American Airlines
Deal found 7/26![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 7/27. 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 12/86:00 am
SFO
- EYW
1 stop8h 07m
Delta
Mon 12/146:02 pm
EYW
- SFO
1 stop8h 49m
Delta
Deal found 7/27![Delta logo]()
$340
This American Airlines deal was found by Cheapflights users on 7/24. 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 12/28:00 am
SFO
- EYW
2 stops12h 07m
American Airlines
Mon 12/74:53 pm
EYW
- SFO
1 stop8h 56m
American Airlines
Deal found 7/24![American Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 12/109:00 am
SFO
- EYW
1 stop9h 45m
American Airlines
Sun 12/1312:50 pm
EYW
- SFO
1 stop10h 11m
American Airlines
Deal found 7/25![American Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 7/24. 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 8/1010:00 pm
SFO
- EYW
1 stop9h 50m
Delta
Sat 8/1511:48 am
EYW
- SFO
1 stop10h 51m
Delta
Deal found 7/24![Delta logo]()
$529
This American Airlines deal was found by Cheapflights users on 7/28. 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 11/139:35 pm
SFO
- EYW
1 stop9h 13m
American Airlines
Sun 11/155:01 pm
EYW
- SFO
1 stop9h 58m
American Airlines
Deal found 7/28![American Airlines logo]()
$547
Last-minute flights from San Francisco to Key WestDiscover last-minute flight deals from San Francisco to Key West. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Key West. Data last updated July 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 8/69:35 pm
SFO
- EYW
1 stop9h 09m
American Airlines
Mon 8/178:09 pm
EYW
- SFO
1 stop7h 45m
American Airlines
Deal found 7/25![American Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 7/24. 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 8/1010:00 pm
SFO
- EYW
1 stop9h 50m
Delta
Sat 8/1511:48 am
EYW
- SFO
1 stop10h 51m
Delta
Deal found 7/24![Delta logo]()
$529
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 8/137:30 am
SFO
- EYW
1 stop9h 09m
American Airlines
Thu 8/201:41 pm
EYW
- SFO
1 stop9h 37m
American Airlines
Deal found 7/26![American Airlines logo]()
$493
This American Airlines deal was found by Cheapflights users on 7/26. 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 8/177:30 am
SFO
- EYW
1 stop9h 09m
American Airlines
Sat 8/227:10 pm
EYW
- SFO
1 stop8h 44m
American Airlines
Deal found 7/26![American Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 7/27. 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 8/209:35 pm
SFO
- EYW
1 stop9h 09m
American Airlines
Sun 8/238:09 pm
EYW
- SFO
1 stop7h 45m
American Airlines
Deal found 7/27![American Airlines logo]()
$607
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/2012:47 pm
SFO
- EYW
1 stop24h 26m
Multiple Airlines
Sun 8/2312:05 pm
EYW
- SFO
2 stops13h 49m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$619
One-way flights from San Francisco to Key WestSearch for one-way flight options from San Francisco to Key West. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
Search for one-way flight options from San Francisco to Key West. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sat 10/102:31 pm
SFO
- EYW
2 stops16h 48m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$197
This Priceline deal was found by Cheapflights users on 7/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:10 pm
SFO
- EYW
1 stop10h 49m
JetBlue
Deal found 7/24![JetBlue logo]()
$273
This American Airlines deal was found by Cheapflights users on 7/28. 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 10/139:46 pm
SFO
- EYW
1 stop9h 03m
American Airlines
Deal found 7/28![American Airlines logo]()
$895
This Delta deal was found by Cheapflights users on 7/28. 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 10/138:00 am
SFO
- EYW
1 stop9h 01m
Delta
Deal found 7/28![Delta logo]()
$1,168
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/136:45 pm
SFO
- EYW
2 stops15h 44m
United Airlines
Deal found 7/28![United Airlines logo]()
$2,702
This Delta deal was found by Cheapflights users on 7/28. 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 10/146:00 am
SFO
- EYW
1 stop8h 15m
Delta
Deal found 7/28![Delta logo]()
$2,964
Find flight deals from San Francisco to Key West
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Delta) |
One-way from | $197 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $654 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 July 29, 2026.
Use the filters below to find and compare flights from San Francisco to Key West that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Sat 9/5
10:00 pm-10:50 am
1 stop9h 50m
Key West
Wed 9/9
6:19 pm-11:57 pm
1 stop8h 38m
$301
Quickest round-trip
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Tue 12/8
6:00 am-5:07 pm
1 stop8h 07m
Key West
Mon 12/14
6:02 pm-11:51 pm
1 stop8h 49m
$340
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Mon 8/17
7:30 am-7:39 pm
1 stop9h 09m
Key West
Sat 8/22
7:10 pm-12:54 am
1 stop8h 44m
$379
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Wed 12/2
8:00 am-11:07 pm
2 stops12h 07m
Key West
Mon 12/7
4:53 pm-10:49 pm
1 stop8h 56m
$472
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Thu 12/10
9:00 am-9:45 pm
1 stop9h 45m
Key West
Sun 12/13
12:50 pm-8:01 pm
1 stop10h 11m
$513
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Mon 8/10
10:00 pm-10:50 am
1 stop9h 50m
Key West
Sat 8/15
11:48 am-7:39 pm
1 stop10h 51m
$529
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Fri 11/13
9:35 pm-9:48 am
1 stop9h 13m
Key West
Sun 11/15
5:01 pm-11:59 pm
1 stop9h 58m
$547
Cheapest one-way
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Sat 10/10
2:31 pm-10:19 am
2 stops16h 48m
$197
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Sat 10/10
10:10 pm-11:59 am
1 stop10h 49m
$273
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Tue 10/13
11:27 pm-1:03 pm
2 stops10h 36m
$900
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from San Francisco 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 Francisco to Key West in July.
| 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 Francisco-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 Francisco-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Key West flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-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 Francisco-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 Francisco to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from San Francisco with our price prediction graph.
SFO-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 Francisco to Key West
How far ahead should I book a flight from San Francisco to Key West?
The best time to book flights from San Francisco to Key West is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Francisco to Key West?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Key West (average of $423). Flying from San Francisco to Key West in December is currently the most expensive (average of $855). 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 Francisco to Key West?
Airfare is below average for this route at the moment.
San Francisco to Key West flights typically cost between $329 and $555 in September.The cheapest round-trip price found within the last 5 days was $301 on Delta (Sep 5-Sep 9).
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 July 29, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from San Francisco to Key West by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Related info for your journey
Find useful and relevant information for your journey from San Francisco 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for San Francisco to Key West
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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.
Search flights from San Francisco to Key West by cabin class
Find flights from San Francisco to Key West, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 July 29, 2026.
San Francisco and Key West flights
Browse other San Francisco and Key West flight options. Last updated on July 29, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on July 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from San Francisco to Key West
Discover the top 3 airlines that operate flights from San Francisco 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 July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$553 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$304 | Average$562 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$390 | Average$625 | FlexibilityNo cancel fee | On-time69% |