Cheap flights from San Francisco to Key West (SFO - EYW) from $217

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — EYW
Feb 25 — Mar 31

The best prices from San Francisco to Key West are usually found in January or September, booked 74 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

How to find the cheapest flight from San Francisco (SFO) to Key West (EYW)

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 February 20, 2024.

Popular in

December

Cheapest in

January

Average price

$492

Round-trip from

$374
High demand for flights, 24% potential price rise
Best time to find cheap flights, 30% potential price drop
Average for round-trip flights in February 2024
From San Francisco to Key West

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

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 54% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from San Francisco to Key West?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 27 days in advance, which can save you up to 118% on flights from San Francisco to Key West compared to booking the week you need them. Waiting 27 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $585. For sooner than that we have options available in the next 3 days from $814.

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

Our data shows that January tends to be the cheapest month to fly to Key West from San Francisco. Users have commonly found prices around $574 for the month, but tickets can be as low as $266. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from San Francisco to Key West (SFO - EYW)?

A simple way to save on the total cost of your ticket is to fly from San Francisco to Key West in the morning. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight at noon.

Cheap American Airlines flights from San Francisco to Key West

Explore cheap flight options specifically provided by American Airlines for the route between San Francisco and Key West. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated February 20, 2024.
Check out some of the cheapest American Airlines flights we've come across from San Francisco to Key West. It's recommended that users confirm their flight details before booking.
Sat 4/1311:45 pmSFO - EYW
1 stop9h 54mAmerican Airlines
Wed 4/174:47 pmEYW - SFO
1 stop9h 03mAmerican Airlines
Deal found 2/20$238
Sat 5/411:59 pmSFO - EYW
1 stop9h 21mAmerican Airlines
Wed 5/83:48 pmEYW - SFO
1 stop8h 12mAmerican Airlines
Deal found 2/20$240
Sat 5/47:53 amSFO - EYW
2 stops11h 49mAmerican Airlines
Wed 5/85:09 pmEYW - SFO
1 stop8h 58mAmerican Airlines
Deal found 2/19$243
Mon 3/118:58 amSFO - EYW
1 stop8h 39mAmerican Airlines
Wed 3/133:04 pmEYW - SFO
1 stop8h 54mAmerican Airlines
Deal found 2/19$247
Sat 5/47:53 amSFO - EYW
2 stops11h 49mAmerican Airlines
Wed 5/811:44 amEYW - SFO
2 stops11h 22mAmerican Airlines
Deal found 2/20$248
Sat 5/47:53 amSFO - EYW
2 stops11h 49mAmerican Airlines
Wed 5/83:48 pmEYW - SFO
2 stops9h 45mAmerican Airlines
Deal found 2/19$250
Mon 3/1110:13 pmSFO - EYW
2 stops10h 35mAmerican Airlines
Wed 3/133:04 pmEYW - SFO
1 stop8h 54mAmerican Airlines
Deal found 2/19$252
Mon 5/611:59 pmSFO - EYW
2 stops12h 19mAmerican Airlines
Wed 5/811:44 amEYW - SFO
2 stops11h 22mAmerican Airlines
Deal found 2/19$258
Mon 3/1110:13 pmSFO - EYW
2 stops10h 35mAmerican Airlines
Wed 3/133:41 pmEYW - SFO
2 stops10h 27mAmerican Airlines
Deal found 2/19$267

Cheap United Airlines flights from San Francisco to Key West

Explore cheap flight options specifically provided by United Airlines for the route between San Francisco and Key West. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated February 20, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from San Francisco to Key West. Deals are refreshing constantly so come back soon for more options.
Sun 4/1410:50 pmSFO - EYW
1 stop12h 35mUnited Airlines
Sun 4/218:15 amEYW - SFO
1 stop16h 09mUnited Airlines
Deal found 2/19$707
Fri 4/1212:09 amSFO - EYW
1 stop11h 31mUnited Airlines
Wed 4/174:04 pmEYW - SFO
1 stop11h 34mUnited Airlines
Deal found 2/20$782
Sat 4/1312:09 amSFO - EYW
1 stop11h 54mUnited Airlines
Sun 4/218:15 amEYW - SFO
1 stop16h 09mUnited Airlines
Deal found 2/19$835

Cheap San Francisco to Key West flights in February & March 2024

Find cheap flight options from San Francisco to Key West specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,394,020 searches. Prices were last updated on February 20, 2024.
The lowest fares we've come across on flights traveling from San Francisco to Key West in February and March 2024. Check back soon for alternative fares.
Mon 3/118:58 amSFO - EYW
1 stop8h 39mAmerican Airlines
Wed 3/133:04 pmEYW - SFO
1 stop8h 54mAmerican Airlines
Deal found 2/19$247
Mon 3/1110:13 pmSFO - EYW
2 stops10h 35mAmerican Airlines
Wed 3/133:04 pmEYW - SFO
1 stop8h 54mAmerican Airlines
Deal found 2/19$252
Mon 3/1110:13 pmSFO - EYW
2 stops10h 35mAmerican Airlines
Wed 3/133:41 pmEYW - SFO
2 stops10h 27mAmerican Airlines
Deal found 2/19$267
Mon 3/118:58 amSFO - EYW
1 stop8h 39mAmerican Airlines
Wed 3/133:04 pmEYW - SFO
1 stop8h 54mAmerican Airlines
Deal found 2/20$333
Mon 3/1110:13 pmSFO - EYW
2 stops10h 35mAmerican Airlines
Wed 3/133:04 pmEYW - SFO
1 stop8h 54mAmerican Airlines
Deal found 2/20$338
Mon 3/115:40 amSFO - EYW
2 stops11h 02mAmerican Airlines
Wed 3/133:41 pmEYW - SFO
2 stops10h 27mAmerican Airlines
Deal found 2/20$383
Thu 2/297:55 amSFO - EYW
1 stop8h 05mAmerican Airlines
Mon 3/44:42 pmEYW - SFO
1 stop9h 59mAmerican Airlines
Deal found 2/19$411
Wed 3/138:58 amSFO - EYW
1 stop8h 39mAmerican Airlines
Mon 3/184:42 pmEYW - SFO
1 stop9h 26mAmerican Airlines
Deal found 2/19$416
Wed 3/135:40 amSFO - EYW
2 stops11h 02mAmerican Airlines
Mon 3/184:42 pmEYW - SFO
1 stop9h 26mAmerican Airlines
Deal found 2/19$422

San Francisco to Key West 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and Key West in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated February 20, 2024.
The lowest fares we've come across on flights traveling from San Francisco to Key West in February and March 2024. Check back soon for alternative fares.
Sat 4/1311:45 pmSFO - EYW
1 stop9h 54mAmerican Airlines
Wed 4/174:47 pmEYW - SFO
1 stop9h 03mAmerican Airlines
Deal found 2/20$238
Sat 5/411:59 pmSFO - EYW
1 stop9h 21mAmerican Airlines
Wed 5/83:48 pmEYW - SFO
1 stop8h 12mAmerican Airlines
Deal found 2/20$240
Sat 4/1311:59 pmSFO - EYW
1 stop9h 21mAmerican Airlines
Wed 4/173:35 pmEYW - SFO
2 stops10h 15mAmerican Airlines
Deal found 2/20$243
Sat 5/47:53 amSFO - EYW
2 stops11h 49mAmerican Airlines
Wed 5/83:48 pmEYW - SFO
1 stop8h 12mAmerican Airlines
Deal found 2/20$245
Mon 3/118:58 amSFO - EYW
1 stop8h 39mAmerican Airlines
Wed 3/133:04 pmEYW - SFO
1 stop8h 54mAmerican Airlines
Deal found 2/19$247
Sat 5/47:53 amSFO - EYW
2 stops11h 49mAmerican Airlines
Wed 5/83:48 pmEYW - SFO
2 stops9h 45mAmerican Airlines
Deal found 2/19$250
Mon 3/1110:13 pmSFO - EYW
2 stops10h 35mAmerican Airlines
Wed 3/133:04 pmEYW - SFO
1 stop8h 54mAmerican Airlines
Deal found 2/19$252
Mon 5/611:59 pmSFO - EYW
2 stops12h 19mAmerican Airlines
Wed 5/811:44 amEYW - SFO
2 stops11h 22mAmerican Airlines
Deal found 2/19$258
Mon 3/1110:13 pmSFO - EYW
2 stops10h 35mAmerican Airlines
Wed 3/133:41 pmEYW - SFO
2 stops10h 27mAmerican Airlines
Deal found 2/19$267

San Francisco to Key West flights leaving soon

Find last-minute flight options from San Francisco to Key West for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated February 20, 2024.
Have a look at some of the last-minute flights available departing from San Francisco to Key West. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 2/297:55 amSFO - EYW
1 stop8h 05mAmerican Airlines
Mon 3/44:42 pmEYW - SFO
1 stop9h 59mAmerican Airlines
Deal found 2/19$411
Thu 2/295:04 amSFO - EYW
2 stops10h 56mAmerican Airlines
Mon 3/44:42 pmEYW - SFO
1 stop9h 59mAmerican Airlines
Deal found 2/19$416
Thu 2/295:04 amSFO - EYW
2 stops10h 56mAmerican Airlines
Mon 3/43:46 pmEYW - SFO
2 stops10h 05mAmerican Airlines
Deal found 2/19$423
Thu 2/297:55 amSFO - EYW
1 stop8h 05mAmerican Airlines
Sun 3/33:46 pmEYW - SFO
1 stop8h 03mAmerican Airlines
Deal found 2/19$458
Thu 2/295:04 amSFO - EYW
2 stops10h 56mAmerican Airlines
Sun 3/33:46 pmEYW - SFO
1 stop8h 03mAmerican Airlines
Deal found 2/19$463
Thu 2/295:04 amSFO - EYW
2 stops10h 56mAmerican Airlines
Sun 3/33:46 pmEYW - SFO
2 stops10h 05mAmerican Airlines
Deal found 2/19$778
Wed 2/2812:35 amSFO - EYW
1 stop10h 26mAmerican Airlines
Sun 3/33:46 pmEYW - SFO
1 stop8h 03mAmerican Airlines
Deal found 2/19$1,142
Wed 2/2812:35 amSFO - EYW
1 stop10h 26mAmerican Airlines
Mon 3/42:50 pmEYW - SFO
1 stop10h 55mAmerican Airlines
Deal found 2/19$1,644
Wed 2/2812:30 amSFO - EYW
2 stops13h 39mDelta
Mon 3/411:26 amEYW - SFO
2 stops14h 41mDelta
Deal found 2/19$2,474

One-way flights to Key West from San Francisco

Search for one-way flight options from San Francisco to Key West. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated February 20, 2024.
If you're seeking multiple options on one-way flights from San Francisco to Key West, be sure to check out these deals, which are updated often. Users needing a return flight from San Francisco to Key West should utilize the search form above.
Thu 5/22:18 pmSFO - EYW
2 stops23h 04mMultiple Airlines
Deal found 2/19$217
Sat 4/208:00 amSFO - EYW
1 stop8h 35mDelta
Deal found 2/18$219
Thu 5/28:43 amSFO - EYW
3 stops28h 39mMultiple Airlines
Deal found 2/19$226
Wed 5/112:58 amSFO - EYW
3 stops29h 09mMultiple Airlines
Deal found 2/19$247
Fri 4/197:00 amSFO - EYW
1 stop9h 21mAmerican Airlines
Deal found 2/19$248
Fri 4/1911:59 pmSFO - EYW
2 stops12h 02mAmerican Airlines
Deal found 2/19$254
Thu 4/188:00 amSFO - EYW
1 stop8h 35mDelta
Deal found 2/18$259
Thu 4/412:47 amSFO - EYW
3 stops58h 39mMultiple Airlines
Deal found 2/19$262
Wed 5/112:58 amSFO - EYW
2 stops29h 09mMultiple Airlines
Deal found 2/19$268

Find flights from San Francisco to Key West within your budget

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 3,394,020 searches. Data last updated February 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$238 - $707

Route

Depart

Return

Price

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Sat 4/13

1 stop9h 54m

Key West

Wed 4/17

1 stop9h 03m

$238

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Sat 5/4

1 stop9h 21m

Key West

Wed 5/8

1 stop8h 12m

$240

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Sat 5/4

2 stops11h 49m

Key West

Wed 5/8

1 stop8h 58m

$243

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Mon 3/11

1 stop8h 39m

Key West

Wed 3/13

1 stop8h 54m

$247

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Sat 5/4

2 stops11h 49m

Key West

Wed 5/8

2 stops11h 22m

$248

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Sat 5/4

2 stops11h 49m

Key West

Wed 5/8

2 stops9h 45m

$250

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Mon 3/11

2 stops10h 35m

Key West

Wed 3/13

1 stop8h 54m

$252

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Sun 4/14

1 stop18h 59m

Key West

Sun 4/21

2 stops30h 36m

$530

San FranciscoKey West

SFO - EYW

SFOEYW

San Francisco

Sun 4/14

1 stop12h 35m

Key West

Sun 4/21

1 stop16h 09m

$707

Flights are sorted by cheapest first

Deals found on 2/20

When is the best time to book a flight from San Francisco to Key West?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Key West. Price data was last updated on January 28, 2024.
The best time to book flights from San Francisco to Key West is 73 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.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Key West. Price data was last updated on February 18, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to Key West flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Key West by month

Plan your trip from San Francisco to Key West by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to Key West is currently $244 while a round-trip flight costs $328. Price data was last updated on February 18, 2024.

Currently, January is the cheapest month in which you can book a flight from San Francisco to Key West (average of $374). Flying from San Francisco to Key West in March is currently the most expensive (average of $516). 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.

January

$374

February

$415

March

$516

April

$512

May

$494

June

$503

July

$487

August

$401

September

$442

October

$472

November

$453

December

$403

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 February 20, 2024.
Read through reviews of airlines operating flights from San Francisco to Key West, such as American Airlines, United Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
7.9
Good
3,045 reviews

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

7.9
Good
3,045 reviews
7.9
Good
3,045 reviews

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

7.5
Good
1,920 reviews
7.9
Good
3,045 reviews

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

7.2
Good
2,657 reviews
7.9
Good
3,045 reviews

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.0

Comfort

7.9

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

Temperature and rainfall in Key West by month

Plan your trip to Key West by taking into account the average temperature and rainfall totals by month.

EYW

Temperature

69.8 - 84.2 °F

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.

Can I find flights from San Francisco to Key West for under $300 on Cheapflights?

Yes, there are multiple flights from San Francisco to Key West for under $300. The cheapest flight booked recently is on American Airlines for just $238, but on average you can expect to pay $323.

Are there last-minute flights available from San Francisco to Key West for under $500?

There are currently 11+ open flights from San Francisco to Key West within the next 7 days for less than $500.

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

Cheapflights users have booked flights from San Francisco to Key West round-trip from $238. Users have found that American Airlines is 58% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from San Francisco to Key West one-way?

One-way options have recently been found by users for as low as $219 on Delta. Other airlines that offer cheap prices include American Airlines from $248 and United Airlines from $591 one-way.

What are the most popular airlines that fly from San Francisco to Key West?

What does SFO to EYW mean?

SFO stands for San Francisco Airport, while EYW stands for Key West Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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 for San Francisco to Key West
See prices for flight routes from nearby airports that may be better suited for you.

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 3,394,020 searches. Data last updated February 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$247Average$548FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$266Average$582FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$387Average$628FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Key West?

Cheapflights helps you search for flights from San Francisco to Key West via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Key West?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Key West.

Can Cheapflights find flights from San Francisco to Key West with no change fees?

Yes, we can. To see specific flights from San Francisco to Key West with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Francisco to Key West become cheaper?

Yes! Start tracking prices for San Francisco to Key West flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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