San Francisco

$157+ Cheap flights from Key West to San Francisco (EYW - SFO)

EYW — SFO
Dec 3 — Dec 101
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Cheap flight deals from Key West to San Francisco

Cheapest flights from Key West to San Francisco

Mon 11/212:46 pm -
1 stop14h 39m
Fri 11/610:10 pm -
1 stop10h 46m
Deal found 10/30$755
Mon 11/910:41 am -
1 stop28h 20m
Sat 11/1410:20 pm -
2 stops34h 59m
Deal found 11/2$885
Mon 11/212:46 pm -
1 stop14h 39m
Fri 11/611:54 am -
3 stops18h 30m
Deal found 10/30$927
Fri 11/132:26 pm -
1 stop7h 57m
Fri 11/139:35 pm -
1 stop9h 13m
Deal found 10/29$951
Sat 11/287:37 pm -
1 stop8h 21m
Wed 12/29:35 pm -
1 stop9h 09m
Deal found 10/30$974
Fri 11/2711:25 am -
1 stop10h 58m
Wed 12/25:35 am -
1 stop8h 17m
Deal found 10/29$979
Mon 11/96:08 pm -
1 stop8h 50m
Sat 11/1411:59 pm -
1 stop7h 49m
Deal found 11/2$983

Find flight deals from Key West to San Francisco

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$807
(United Airlines)

One-way from

$157
(Kiwi.com)
Provider with most accurate pricing for Key West-San Francisco flight deals.
Provider most trusted by Cheapflights users for Key West-San Francisco flights.
From Key West to San Francisco
One-way flight from Key West to San Francisco

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Key West to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Wed 2/10

12:19 pm-8:49 am

3 stops23h 30m

San Francisco

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$157

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Tue 12/22

2:45 pm-10:17 pm

1 stop10h 32m

San Francisco

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$200

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Sun 11/22

12:01 pm-12:43 am

2 stops39h 42m

San Francisco

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$201

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Tue 12/22

11:35 am-8:38 pm

2 stops12h 03m

San Francisco

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$217

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Mon 1/4

12:59 pm-8:15 pm

2 stops34h 16m

San Francisco

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$263

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Sun 11/8

8:54 pm-8:19 am

3 stops38h 25m

San Francisco

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$295

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Sun 11/22

4:43 pm-12:58 am

1 stop11h 15m

San Francisco

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$324

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Sun 11/29

3:33 pm-5:35 pm

3 stops53h 02m

San Francisco

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$368
Quickest round-trip

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Tue 12/22

12:22 pm-7:36 pm

1 stop10h 14m

San Francisco

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$454

Key WestSan Francisco

EYW Key West - SFO San Francisco

EYWSFO

Key West

Sat 1/30

4:09 pm-11:23 pm

1 stop10h 14m

San Francisco

Wed 2/3

11:30 pm-12:16 pm

1 stop9h 46m

$807

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 12 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Key West-San Francisco flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Key West-San Francisco flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Key West-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Key West-San Francisco flights, Cheapflights users trust Expedia the most. Expedia 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 Key West-San Francisco 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 Key West to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Key West with our price prediction graph.
Estimated round-trip price

Reviews of airlines servicing San Francisco

See what other customers who have flown with American Airlines from Key West to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.8

Boarding

7.4

Food

6.4

Overall

7.0

Comfort

7.2

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Entertainment

6.8

Boarding

7.4

Food

6.4

Overall

7.0

Comfort

7.2

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Related info for your journey

  • How long is the flight from Key West to San Francisco?

    United Airlines can get you from Key West to San Francisco in just under 10h 14m. Your travel time can differ by up to . Key West and San Francisco are separated by a distance of 2542 mi.

  • What is the cheapest airline to fly from Key West to San Francisco round-trip?

    American Airlines, at $348, was found to be the cheapest airline from Key West to San Francisco..

  • Can I find deals for flights from Key West to San Francisco that include hotel bookings?

    Yes. In addition to deals on Key West to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key West to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to San Francisco.

  • Can I find deals for business class flights from Key West to San Francisco?

    Yes. Cheapflights offers flight deals from Key West to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Hayward
Emeryville
Newark
Burlingame
San Bruno
Rancho Cordova
Vallejo
Cupertino
Fairfield
Redwood City
San Carlos
Sunnyvale
Turlock
Davis
Morgan Hill
Roseville

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Key West to San Francisco

Top airline flying from Key West to San Francisco

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$348Average$469FlexibilityNo cancel feeOn-time71%

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