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Cheap flights from San Francisco to Key West from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Key West departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to Key West

Cheap round-trip flights

These are some of the best round-trip flight deals from San Francisco to Key West that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Francisco to Key West.

Cheap last minute flights

Planning a quick getaway from San Francisco to Key West? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Key West, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Francisco to Key West

Find recent round-trip train or bus tickets from San Francisco to Key West.

All round-trip flight deals to Key West

The cheapest plane tickets to Key West found on KAYAK recently.
12:32 am - 12:06 pmSFO-EYW
8h 34m1 stop
4:01 pm - 11:05 pmEYW-SFO
10h 04m1 stop
$256American Airlines
Find Deal
Sun, Mar 2 - Thu, Mar 6
5:00 am - 6:56 pmSFO-EYW
10h 56m2 stops
4:01 pm - 11:05 pmEYW-SFO
10h 04m1 stop
$261American Airlines
Find Deal
Mon, Mar 3 - Thu, Mar 6
7:11 am - 7:07 pmSFO-EYW
8h 56m1 stop
12:57 pm - 9:12 pmEYW-SFO
11h 15m1 stop
$308American Airlines
Find Deal
Fri, Feb 7 - Mon, Feb 10
12:32 am - 1:14 pmSFO-EYW
9h 42m2 stops
5:20 pm - 11:08 pmEYW-SFO
8h 48m1 stop
$322American Airlines
Find Deal
Sun, Mar 2 - Thu, Mar 6
12:32 am - 12:06 pmSFO-EYW
8h 34m1 stop
5:20 pm - 11:08 pmEYW-SFO
8h 48m1 stop
$337American Airlines
Find Deal
Wed, Feb 26 - Thu, Mar 6
9:30 pm - 11:50 amSFO-EYW
11h 20m1 stop
12:12 pm - 7:00 pmEYW-SFO
9h 48m1 stop
$355United Airlines
Find Deal
Sat, Nov 16 - Thu, Nov 28
12:30 am - 6:55 pmSFO-EYW
15h 25m2 stops
4:05 pm - 11:08 pmEYW-SFO
10h 03m1 stop
$419United Airlines
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Tue, Dec 3 - Tue, Dec 10
10:52 pm - 6:55 pmSFO-EYW
17h 03m2 stops
10:00 am - 10:34 pmEYW-SFO
15h 34m2 stops
$1,040
Find Deal
Sat, Dec 28 - Fri, Jan 3
12:40 am - 5:12 pmSFO-EYW
13h 32m2 stops
7:00 am - 7:26 pmEYW-SFO
15h 26m2 stops
$1,765Delta
Find Deal
Sun, Mar 2 - Thu, Mar 6
12:40 am - 5:12 pmSFO-EYW
13h 32m2 stops
7:00 am - 7:26 pmEYW-SFO
15h 26m2 stops
$1,925Delta
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Wed, Feb 26 - Thu, Mar 6
12:38 am - 11:37 amSFO-EYW
7h 59m1 stop
$128Delta
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Sun, Dec 8
12:22 am - 1:13 pmSFO-EYW
9h 51m2 stops
$133American Airlines
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Sun, Dec 8
7:11 am - 6:54 pmSFO-EYW
8h 43m1 stop
$159American Airlines
Find Deal
Wed, Dec 11
5:52 am - 6:54 pmSFO-EYW
10h 02m2 stops
$164American Airlines
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Wed, Dec 11
6:00 am - 4:26 pmSFO-EYW
7h 26m1 stop
$189American Airlines
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Wed, Nov 20
12:30 am - 1:07 pmSFO-EYW
9h 37m2 stops
$194American Airlines
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Tue, Nov 19
12:30 am - 6:55 pmSFO-EYW
15h 25m2 stops
$236United Airlines
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Tue, Dec 10
9:30 pm - 10:52 amSFO-EYW
10h 22m1 stop
$369Delta
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Mon, Dec 23
12:30 am - 6:55 pmSFO-EYW
15h 25m2 stops
$382United Airlines
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Mon, Dec 23
2:45 pm - 4:26 pmSFO-EYW
46h 41m2 stops
$1,967Qatar Airways
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Thu, Nov 14
11:59 pm - 1:07 pmSFO-EYW
10h 08m1 stop
3:00 pm - 8:47 pmEYW-SFO
8h 47m1 stop
$496American Airlines
Find Deal
Wed, Nov 6 - Tue, Nov 12
11:59 pm - 1:07 pmSFO-EYW
10h 08m2 stops
3:00 pm - 8:47 pmEYW-SFO
8h 47m1 stop
$501American Airlines
Find Deal
Wed, Nov 6 - Tue, Nov 12
10:45 pm - 11:50 amSFO-EYW
10h 05m1 stop
4:05 pm - 10:58 pmEYW-SFO
9h 53m1 stop
$596United Airlines
Find Deal
Thu, Nov 7 - Tue, Nov 12
6:00 am - 6:47 pmSFO-EYW
9h 47m2 stops
3:00 pm - 8:47 pmEYW-SFO
8h 47m1 stop
$611American Airlines
Find Deal
Thu, Nov 7 - Tue, Nov 12
11:50 pm - 1:07 pmSFO-EYW
10h 17m2 stops
12:02 pm - 8:47 pmEYW-SFO
11h 45m2 stops
$768American Airlines
Find Deal
Wed, Nov 6 - Tue, Nov 12
6:00 am - 6:47 pmSFO-EYW
9h 47m2 stops
1:42 pm - 10:52 pmEYW-SFO
12h 10m2 stops
$778American Airlines
Find Deal
Thu, Nov 7 - Tue, Nov 12

American Airlines flights from San Francisco to Key West

Our best American Airlines deals on San Francisco to Key West flight tickets
American Airlines
Mar 2
SFO12:32 amSan Francisco
8h 34m
1 stop
EYW12:06 pmKey West
Mar 6
EYW4:01 pmKey West
10h 04m
1 stop
SFO11:05 pmSan Francisco
American Airlines
Mar 3
SFO5:00 amSan Francisco
10h 56m
2 stops
EYW6:56 pmKey West
Mar 6
EYW4:01 pmKey West
10h 04m
1 stop
SFO11:05 pmSan Francisco
American Airlines
Feb 7
SFO7:11 amSan Francisco
8h 56m
1 stop
EYW7:07 pmKey West
Feb 10
EYW12:57 pmKey West
11h 15m
1 stop
SFO9:12 pmSan Francisco

United Airlines flights from San Francisco to Key West

Our best United Airlines deals on San Francisco to Key West flight tickets
United Airlines
Nov 16
SFO9:30 pmSan Francisco
11h 20m
1 stop
EYW11:50 amKey West
Nov 28
EYW12:12 pmKey West
9h 48m
1 stop
SFO7:00 pmSan Francisco
United Airlines
Dec 3
SFO12:30 amSan Francisco
15h 25m
2 stops
EYW6:55 pmKey West
Dec 10
EYW4:05 pmKey West
10h 03m
1 stop
SFO11:08 pmSan Francisco
United Airlines
Nov 16
SFO11:45 pmSan Francisco
16h 10m
2 stops
EYW6:55 pmKey West
Nov 28
EYW12:12 pmKey West
9h 48m
1 stop
SFO7:00 pmSan Francisco

How to get the cheapest flight ticket from San Francisco to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from San Francisco to Key West?

August. The cheapest time of year to fly to Key West from San Francisco is August. Most expensive is December

What is the cheapest day to depart San Francisco for Key West?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Thursday

When is the cheapest time to fly from San Francisco to Key West?

In the morning. San Francisco to Key West flights are approximately 15% more expensive in the evening than in the morning

What is the cheapest airline that flies to Key West from San Francisco?

American Airlines. American Airlines, Delta, and United Airlines are the most popular carriers operating from San Francisco to Key West

What is the cheapest San Francisco to Key West flight route?

San Francisco - Key West. Fly from San Francisco to Key West for the best San Francisco - Key West flight prices

How far in advance should you book San Francisco to Key West flights?

36 days before. The cheapest time to buy a flight from San Francisco to Key West is approximately 36 days to departure

Can stopping save me money on San Francisco to Key West flights?

You could potentially save up to 3% on your flight if you consider stops on a San Francisco to Key West flight.

How have San Francisco to Key West flight prices changed over time?

As of November 2024, prices for San Francisco to Key West flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Key West (SFO to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Key West

Best Price Found

$128

Fastest flight time

6h 54m

Direct flights

None

Airports in Key West

1 airport
The best one-way flight to Key West from San Francisco in the past 72 hours is $128. The best round-trip flight deal from San Francisco to Key West found on momondo in the last 72 hours is $256.
The fastest flight from San Francisco to Key West takes 6h 54m
There are no direct flights from San Francisco to Key West. Popular non-direct route for this connection is San Francisco Airport - Key West Airport.
There is 1 airport near Key West: Key West (EYW)

  • How far is San Francisco to Key West by plane?

    Key West is 2543.6 mi away from San Francisco. Flights usually cover this in 6h 54m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Francisco Airport to Key West Airport?

    Prices for flights from San Francisco Airport to Key West Airport are updated daily.

  • How many operators does momondo search for flights from San Francisco Airport to Key West Airport?

  • How old do you have to be to fly from San Francisco Airport to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Francisco to Key West?


Best airlines flying from San Francisco to Key West

Compare and see reviews for airlines that fly from San Francisco to Key West with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $244Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $258Free CancellationRating
8.0
8,829 reviews
Search Delta flights
United AirlinesPriceFrom $387Free CancellationRating
7.4
9,226 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Key West?

It is quick and easy to find San Francisco to Key West flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Key West that suits you.

Can I find flights from San Francisco to Key West with flexible booking policies on momondo?

Flights from San Francisco to Key West with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Francisco to Key West?

Once all potential San Francisco to Key West flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Francisco to Key West right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Francisco to Key West flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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