$175+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — EYW
Aug 15 — Aug 221
Round-trip
1 adult, Economy
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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
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Best
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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 16, 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 16, 2026.
This American Airlines deal was found by Cheapflights users on 7/12. 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.
Sat 9/269:53 pm
SFO
- EYW
1 stop11h 24m
American Airlines
Wed 9/302:15 pm
EYW
- SFO
1 stop8h 53m
American Airlines
Deal found 7/12![American Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 7/12. 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 8/1711:15 pm
SFO
- EYW
1 stop8h 35m
Delta
Sat 8/224:00 pm
EYW
- SFO
1 stop10h 58m
Delta
Deal found 7/12![Delta logo]()
$330
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Tue 8/254:31 pm
SFO
- EYW
2 stops14h 13m
American Airlines
Sat 8/297:10 pm
EYW
- SFO
1 stop8h 44m
American Airlines
Deal found 7/13![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 10/26:12 am
SFO
- EYW
1 stop8h 27m
American Airlines
Mon 10/52:35 pm
EYW
- SFO
1 stop9h 32m
American Airlines
Deal found 7/13![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/12. 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 12/29:00 am
SFO
- EYW
1 stop9h 45m
American Airlines
Mon 12/74:10 pm
EYW
- SFO
1 stop9h 49m
American Airlines
Deal found 7/12![American Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 7/12. 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 9/25:05 am
SFO
- EYW
1 stop8h 13m
American Airlines
Tue 9/87:03 pm
EYW
- SFO
1 stop7h 50m
American Airlines
Deal found 7/12![American Airlines logo]()
$402
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Mon 8/179:35 pm
SFO
- EYW
1 stop10h 21m
American Airlines
Sat 8/221:35 pm
EYW
- SFO
2 stops12h 35m
American Airlines
Deal found 7/13![American Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 7/14. 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 8/137:30 am
SFO
- EYW
1 stop9h 09m
American Airlines
Thu 8/208:09 pm
EYW
- SFO
1 stop7h 45m
American Airlines
Deal found 7/14![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 7/16. 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 10/1611:45 pm
SFO
- EYW
1 stop8h 03m
Delta
Mon 10/196:11 pm
EYW
- SFO
1 stop9h 04m
Delta
Deal found 7/16![Delta logo]()
$454
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 16, 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 16, 2026.
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
SFO
- EYW
1 stop8h 20m
Delta
Sat 8/294:00 pm
EYW
- SFO
1 stop10h 58m
Delta
Deal found 7/13![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Thu 8/279:35 pm
SFO
- EYW
1 stop9h 09m
American Airlines
Tue 9/11:50 pm
EYW
- SFO
1 stop9h 45m
American Airlines
Deal found 7/13![American Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 7/12. 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 8/1711:15 pm
SFO
- EYW
1 stop8h 35m
Delta
Sat 8/224:00 pm
EYW
- SFO
1 stop10h 58m
Delta
Deal found 7/12![Delta logo]()
$330
This Delta deal was found by Cheapflights users on 7/12. 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 9/2510:00 pm
SFO
- EYW
1 stop9h 47m
Delta
Wed 9/306:19 pm
EYW
- SFO
1 stop8h 38m
Delta
Deal found 7/12![Delta logo]()
$330
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 10/26:12 am
SFO
- EYW
1 stop8h 27m
American Airlines
Mon 10/52:35 pm
EYW
- SFO
1 stop9h 32m
American Airlines
Deal found 7/13![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/15. 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.
Mon 8/177:30 am
SFO
- EYW
1 stop9h 09m
American Airlines
Sat 8/2210:15 am
EYW
- SFO
2 stops11h 58m
American Airlines
Deal found 7/15![American Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Tue 8/254:31 pm
SFO
- EYW
2 stops14h 13m
American Airlines
Sat 8/291:50 pm
EYW
- SFO
2 stops11h 28m
American Airlines
Deal found 7/13![American Airlines logo]()
$446
Last-minute flights from San Francisco to Key WestDiscover last-minute flight deals from San Francisco to Key West. Data last updated July 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Key West. Data last updated July 16, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Fri 7/175:00 am
SFO
- EYW
1 stop10h 48m
American Airlines
Tue 7/211:01 pm
EYW
- SFO
1 stop10h 05m
American Airlines
Deal found 7/13![American Airlines logo]()
$494
This American Airlines deal was found by Cheapflights users on 7/14. 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 8/137:30 am
SFO
- EYW
1 stop9h 09m
American Airlines
Thu 8/208:09 pm
EYW
- SFO
1 stop7h 45m
American Airlines
Deal found 7/14![American Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Thu 8/1312:47 pm
SFO
- EYW
1 stop19h 20m
Multiple Airlines
Sun 8/1612:05 pm
EYW
- SFO
2 stops31h 01m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$575
This Delta deal was found by Cheapflights users on 7/12. 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 8/1711:15 pm
SFO
- EYW
1 stop8h 35m
Delta
Sat 8/224:00 pm
EYW
- SFO
1 stop10h 58m
Delta
Deal found 7/12![Delta logo]()
$330
This American Airlines deal was found by Cheapflights users on 7/12. 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.
Mon 8/177:30 am
SFO
- EYW
1 stop9h 09m
American Airlines
Sat 8/2210:15 am
EYW
- SFO
2 stops11h 58m
American Airlines
Deal found 7/12![American Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
SFO
- EYW
1 stop8h 20m
Delta
Sat 8/294:00 pm
EYW
- SFO
1 stop10h 58m
Delta
Deal found 7/13![Delta logo]()
$291
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Tue 8/254:31 pm
SFO
- EYW
2 stops14h 13m
American Airlines
Sat 8/297:10 pm
EYW
- SFO
1 stop8h 44m
American Airlines
Deal found 7/13![American Airlines logo]()
$359
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 16, 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 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 9/297:17 pm
SFO
- EYW
2 stops11h 07m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 10/110:48 pm
SFO
- EYW
2 stops31h 36m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 10/47:17 pm
SFO
- EYW
2 stops14h 02m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 9/3011:42 am
SFO
- EYW
3 stops41h 02m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 10/37:17 pm
SFO
- EYW
2 stops13h 04m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 10/26:00 am
SFO
- EYW
2 stops24h 24m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Wed 8/510:07 pm
SFO
- EYW
3 stops34h 20m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Wed 7/294:30 pm
SFO
- EYW
2 stops23h 43m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 am
SFO
- EYW
2 stops26h 27m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$215
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 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (American Airlines) |
One-way from | $175 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $582 |
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 16, 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
Tue 8/25
6:00 am-5:20 pm
1 stop8h 20m
Key West
Sat 8/29
4:00 pm-11:58 pm
1 stop10h 58m
$291
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Thu 8/27
9:35 pm-9:44 am
1 stop9h 09m
Key West
Tue 9/1
1:50 pm-8:35 pm
1 stop9h 45m
$330
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Mon 8/17
11:15 pm-10:50 am
1 stop8h 35m
Key West
Sat 8/22
4:00 pm-11:58 pm
1 stop10h 58m
$330
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Fri 9/25
10:00 pm-10:47 am
1 stop9h 47m
Key West
Wed 9/30
6:19 pm-11:57 pm
1 stop8h 38m
$330
Quickest round-trip
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Fri 10/2
6:12 am-5:39 pm
1 stop8h 27m
Key West
Mon 10/5
2:35 pm-9:07 pm
1 stop9h 32m
$369
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
10:15 am-7:13 pm
2 stops11h 58m
$417
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Tue 8/25
4:31 pm-9:44 am
2 stops14h 13m
Key West
Sat 8/29
1:50 pm-10:18 pm
2 stops11h 28m
$446
Cheapest one-way
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Sat 10/3
7:17 pm-11:21 am
2 stops13h 04m
$191
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Wed 8/5
10:07 pm-11:27 am
2 stops34h 20m
$203
San FranciscoKey West
SFO - EYW
SFOEYW
San Francisco
Wed 7/29
4:30 pm-7:13 pm
2 stops23h 43m
$205
Showing 1-10 of 17 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 $405). 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?
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 16, 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.
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Food
7.2
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Boarding
8.1
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
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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 July 16, 2026.
San Francisco and Key West flights
Browse other San Francisco and Key West flight options. Last updated on July 16, 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 16, 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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$258 | Average$547 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$290 | Average$555 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$390 | Average$625 | FlexibilityNo cancel fee | On-time69% |