$228+ 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
Jul 15 — Jul 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from San Francisco to Key West with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
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 June 15, 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 June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/2511:49 pm
SFO
- EYW
1 stop10h 25m
American Airlines
Thu 7/304:41 pm
EYW
- SFO
1 stop9h 07m
American Airlines
Deal found 6/13![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 6/13. 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 11/76:00 am
SFO
- EYW
1 stop7h 29m
American Airlines
Sat 11/142:50 pm
EYW
- SFO
1 stop11h 00m
American Airlines
Deal found 6/13![American Airlines logo]()
$380
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/411:49 pm
SFO
- EYW
1 stop10h 25m
American Airlines
Wed 7/82:21 pm
EYW
- SFO
1 stop8h 18m
American Airlines
Deal found 6/13![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/95:29 am
SFO
- EYW
1 stop8h 25m
American Airlines
Tue 7/141:47 pm
EYW
- SFO
1 stop9h 33m
American Airlines
Deal found 6/15![American Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/175:00 am
SFO
- EYW
1 stop10h 48m
American Airlines
Thu 7/231:01 pm
EYW
- SFO
1 stop10h 05m
American Airlines
Deal found 6/11![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 6/14. 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
Wed 8/1210:15 am
EYW
- SFO
2 stops12h 12m
American Airlines
Deal found 6/14![American Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/207:46 am
SFO
- EYW
1 stop8h 33m
American Airlines
Thu 6/254:44 pm
EYW
- SFO
1 stop9h 05m
American Airlines
Deal found 6/10![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 6/12. 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 11/1812:27 am
SFO
- EYW
1 stop8h 32m
American Airlines
Thu 11/2612:40 pm
EYW
- SFO
1 stop11h 45m
American Airlines
Deal found 6/12![American Airlines logo]()
$517
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 June 15, 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 June 15, 2026.
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/95:29 am
SFO
- EYW
1 stop8h 25m
American Airlines
Tue 7/141:47 pm
EYW
- SFO
1 stop9h 33m
American Airlines
Deal found 6/15![American Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 6/12. 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 10/1210:30 pm
SFO
- EYW
1 stop9h 28m
Delta
Fri 10/162:35 pm
EYW
- SFO
1 stop11h 16m
Delta
Deal found 6/12![Delta logo]()
$747
This United Airlines deal was found by Cheapflights users on 6/14. 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 12/112:50 am
SFO
- EYW
1 stop11h 16m
United Airlines
Sat 12/54:05 pm
EYW
- SFO
2 stops19h 43m
United Airlines
Deal found 6/14![United Airlines logo]()
$769
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/27:20 am
SFO
- EYW
1 stop8h 46m
American Airlines
Wed 7/151:47 pm
EYW
- SFO
1 stop9h 33m
American Airlines
Deal found 6/14![American Airlines logo]()
$560
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/175:29 am
SFO
- EYW
2 stops10h 19m
American Airlines
Fri 7/242:21 pm
EYW
- SFO
2 stops10h 53m
American Airlines
Deal found 6/14![American Airlines logo]()
$737
Last-minute flights from San Francisco to Key WestDiscover last-minute flight deals from San Francisco to Key West. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Key West. Data last updated June 15, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/10. 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 6/207:46 am
SFO
- EYW
1 stop8h 33m
American Airlines
Thu 6/254:44 pm
EYW
- SFO
1 stop9h 05m
American Airlines
Deal found 6/10![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 6/12. 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 7/27:20 am
SFO
- EYW
1 stop8h 46m
American Airlines
Wed 7/151:47 pm
EYW
- SFO
1 stop9h 33m
American Airlines
Deal found 6/12![American Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/411:49 pm
SFO
- EYW
1 stop10h 25m
American Airlines
Wed 7/82:21 pm
EYW
- SFO
1 stop8h 18m
American Airlines
Deal found 6/13![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 6/15. 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 7/95:29 am
SFO
- EYW
1 stop8h 25m
American Airlines
Tue 7/141:47 pm
EYW
- SFO
1 stop9h 33m
American Airlines
Deal found 6/15![American Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/175:00 am
SFO
- EYW
1 stop10h 48m
American Airlines
Thu 7/231:01 pm
EYW
- SFO
1 stop10h 05m
American Airlines
Deal found 6/11![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 6/13. 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 7/2511:49 pm
SFO
- EYW
1 stop10h 25m
American Airlines
Thu 7/304:41 pm
EYW
- SFO
1 stop9h 07m
American Airlines
Deal found 6/13![American Airlines logo]()
$369
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 June 15, 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 June 15, 2026.
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia 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 6/14![JetBlue logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 stops19h 12m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 10/56:00 am
SFO
- EYW
2 stops27h 36m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/35:47 pm
SFO
- EYW
3 stops38h 38m
Breeze Airways
Deal found 6/12![Breeze Airways logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/39:43 pm
SFO
- EYW
2 stops33h 41m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/16:00 am
SFO
- EYW
2 stops34h 13m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 7/37:50 am
SFO
- EYW
1 stop9h 03m
Delta
Deal found 6/12![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 6/12. 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 7/56:00 am
SFO
- EYW
1 stop8h 27m
Delta
Deal found 6/12![Delta logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/412:32 am
SFO
- EYW
3 stops30h 55m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$414
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (American Airlines) |
One-way from | $228 (Expedia) |
Popular in | November |
Cheapest in | July |
Average price | $651 |
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 June 15, 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
Quickest round-trip
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Thu 7/9
5:29 am-4:54 pm
1 stop8h 25m
Key West
Tue 7/14
1:47 pm-8:20 pm
1 stop9h 33m
$412
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Thu 7/2
7:20 am-7:06 pm
1 stop8h 46m
Key West
Wed 7/15
1:47 pm-8:20 pm
1 stop9h 33m
$560
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Fri 7/17
5:29 am-6:48 pm
2 stops10h 19m
Key West
Fri 7/24
2:21 pm-10:14 pm
2 stops10h 53m
$737
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Mon 10/12
10:30 pm-10:58 am
1 stop9h 28m
Key West
Fri 10/16
2:35 pm-10:51 pm
1 stop11h 16m
$747
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Tue 12/1
12:50 am-3:06 pm
1 stop11h 16m
Key West
Sat 12/5
4:05 pm-8:48 am
2 stops19h 43m
$769
Cheapest one-way
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Mon 10/5
6:00 am-12:36 pm
2 stops27h 36m
$267
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Wed 7/1
6:00 am-7:13 pm
2 stops34h 13m
$329
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Mon 10/5
10:45 pm-1:29 pm
1 stop11h 44m
$374
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Fri 7/3
7:50 am-7:53 pm
1 stop9h 03m
$374
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Sat 10/10
6:00 am-12:43 pm
3 stops27h 43m
$389
Showing 1-10 of 14 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 June.
| 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, July is the cheapest month in which you can book a flight from San Francisco to Key West (average of $398). Flying from San Francisco to Key West in November is currently the most expensive (average of $736). 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?
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 June 15, 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.
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.9
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Boarding
8.1
Food
7.2
Comfort
7.8
Entertainment
7.8
Crew
8.5
Overall
7.9
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Key West flight routes
Other flight options
Other flights from San Francisco
Popular flights
Alternative routes for San Francisco to Key West
See prices for flight routes from nearby airports that may be better suited for you.
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 June 15, 2026.
San Francisco and Key West flights
Browse other San Francisco and Key West flight options. Last updated on June 15, 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 June 15, 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$532 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$536 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$391 | Average$651 | FlexibilityNo cancel fee | On-time69% |