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Cheap flights from San Diego to Key West from $261

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Key West departing on 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Diego to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:27 pm - 11:56 pm
SAN
-
EYW
7h 29m1 stop
American Airlines Logo
2:58 pm - 8:41 pm
EYW
-
SAN
8h 43m1 stop
$261American Airlines
Fri, Jan 23 - Tue, Jan 27
American Airlines Logo
1:27 pm - 11:56 pm
SAN
-
EYW
7h 29m1 stop
American Airlines Logo
6:06 am - 2:14 pm
EYW
-
SAN
11h 08m2 stops
$266American Airlines
Fri, Jan 23 - Tue, Jan 27
Delta Logo
8:00 am - 8:58 pm
SAN
-
EYW
9h 58m1 stop
Delta Logo
7:10 am - 12:55 pm
EYW
-
SAN
8h 45m1 stop
$321Delta
Thu, Jan 1 - Thu, Jan 8
American Airlines Logo
6:28 am - 3:59 pm
SAN
-
EYW
6h 31m1 stop
American Airlines Logo
1:22 pm - 8:12 pm
EYW
-
SAN
9h 50m1 stop
$322American Airlines
Wed, May 6 - Tue, May 12
American Airlines Logo
10:09 am - 11:56 pm
SAN
-
EYW
10h 47m2 stops
American Airlines Logo
4:37 pm - 11:09 pm
EYW
-
SAN
9h 32m1 stop
$323American Airlines
Wed, Jan 28 - Mon, Feb 2
American Airlines Logo
1:27 pm - 11:56 pm
SAN
-
EYW
7h 29m1 stop
American Airlines Logo
4:37 pm - 11:09 pm
EYW
-
SAN
9h 32m1 stop
$379American Airlines
Wed, Jan 28 - Mon, Feb 2
American Airlines Logo
6:31 am - 6:21 pm
SAN
-
EYW
8h 50m2 stops
American Airlines Logo
3:06 pm - 8:12 pm
EYW
-
SAN
8h 06m1 stop
$390American Airlines
Wed, May 6 - Tue, May 12
Delta Logo
8:00 am - 8:58 pm
SAN
-
EYW
9h 58m1 stop
Delta Logo
12:24 pm - 7:39 pm
EYW
-
SAN
10h 15m1 stop
$437Delta
Thu, Jan 1 - Sat, Jan 10
American Airlines Logo
7:00 am - 6:01 pm
SAN
-
EYW
8h 01m1 stop
American Airlines Logo
6:45 am - 12:16 pm
EYW
-
SAN
8h 31m1 stop
$440American Airlines
Tue, Feb 10 - Sun, Feb 15
American Airlines Logo
1:27 pm - 11:56 pm
SAN
-
EYW
7h 29m1 stop
American Airlines Logo
1:22 pm - 8:36 pm
EYW
-
SAN
10h 14m1 stop
$444American Airlines
Thu, Jan 22 - Mon, Jan 26

United Airlines flights from San Diego to Key West

Our best United Airlines deals on San Diego to Key West flight tickets
United Airlines
Feb 27
SAN10:30 pmSan Diego
11h 45m
1 stop
EYW1:15 pmKey West
Mar 2
EYW3:56 pmKey West
9h 48m
1 stop
SAN10:44 pmSan Diego
$608
Find similar
United Airlines
Jan 8
SAN6:55 pmSan Diego
17h 22m
2 stops
EYW3:17 pmKey West
Jan 12
EYW4:15 pmKey West
9h 18m
1 stop
SAN10:33 pmSan Diego
$622
Find similar
United Airlines
Jan 8
SAN4:10 pmSan Diego
20h 07m
2 stops
EYW3:17 pmKey West
Jan 12
EYW6:05 pmKey West
26h 23m
2 stops
SAN5:28 pmSan Diego
$625
Find similar

American Airlines flights from San Diego to Key West

Our best American Airlines deals on San Diego to Key West flight tickets
American Airlines
Jan 23
SAN1:27 pmSan Diego
7h 29m
1 stop
EYW11:56 pmKey West
Jan 27
EYW2:58 pmKey West
8h 43m
1 stop
SAN8:41 pmSan Diego
$261
Find similar
American Airlines
Jan 23
SAN1:27 pmSan Diego
7h 29m
1 stop
EYW11:56 pmKey West
Jan 27
EYW12:00 pmKey West
11h 36m
2 stops
SAN8:36 pmSan Diego
$266
Find similar
American Airlines
Jan 23
SAN1:27 pmSan Diego
7h 29m
1 stop
EYW11:56 pmKey West
Jan 27
EYW2:58 pmKey West
8h 43m
1 stop
SAN8:41 pmSan Diego
$318
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego 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, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from San Diego to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Fri 1/23

1:27 pm-11:56 pm

1 stop7h 29m

Key West

Tue 1/27

2:58 pm-8:41 pm

1 stop8h 43m

$261

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Fri 1/23

1:27 pm-11:56 pm

1 stop7h 29m

Key West

Tue 1/27

6:06 am-2:14 pm

2 stops11h 08m

$266

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Thu 1/1

8:00 am-8:58 pm

1 stop9h 58m

Key West

Thu 1/8

7:10 am-12:55 pm

1 stop8h 45m

$321

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 5/6

6:28 am-3:59 pm

1 stop6h 31m

Key West

Tue 5/12

1:22 pm-8:12 pm

1 stop9h 50m

$322

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 1/28

10:09 am-11:56 pm

2 stops10h 47m

Key West

Mon 2/2

4:37 pm-11:09 pm

1 stop9h 32m

$323

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 1/28

1:27 pm-11:56 pm

1 stop7h 29m

Key West

Mon 2/2

4:37 pm-11:09 pm

1 stop9h 32m

$379

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 5/6

6:31 am-6:21 pm

2 stops8h 50m

Key West

Tue 5/12

3:06 pm-8:12 pm

1 stop8h 06m

$390

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Thu 1/1

8:00 am-8:58 pm

1 stop9h 58m

Key West

Sat 1/10

12:24 pm-7:39 pm

1 stop10h 15m

$437

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Tue 2/10

7:00 am-6:01 pm

1 stop8h 01m

Key West

Sun 2/15

6:45 am-12:16 pm

1 stop8h 31m

$440

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Thu 1/22

1:27 pm-11:56 pm

1 stop7h 29m

Key West

Mon 1/26

1:22 pm-8:36 pm

1 stop10h 14m

$444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Key West from

How to get the cheapest flight ticket from San Diego 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 to Key West?

In general, September is the cheapest month to fly from San Diego to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $373. If you are unable to visit Key West during the month of September, then departing from San Diego during the month June is also very affordable. Most momondo users find prices during this month for around $375.

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from San Diego is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $453. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to Key West for around $676.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is in the evening. momondo users have found flights departing from San Diego to Key West in the evening for as low as $510. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $555. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 18% on your flight if you consider stops on a San Diego to Key West flight.

When to book flights from San Diego to Key West

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

Cheap San Diego to Key West (SAN to EYW) flight deals and tips

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

Fastest flight time

7h 52m

Direct flights

None
The fastest flight from San Diego to Key West takes 7h 52m
There are no direct flights from San Diego to Key West. There are no popular flight routes from San Diego to Key West.
Search flight deals

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

    Key West is 2204.3 mi away from San Diego. Typically, this will take 7h 52m by plane in normal conditions.

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

    Prices for flights from San Diego Airport to Key West Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Diego Airport to Key West Airport.

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

    The travel and health documents you'll need for your trip to Key West Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Key West Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from San Diego to Key West

Compare and see reviews for airlines that fly from San Diego to Key West with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $278Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $314Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Key West. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Key West from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for San Diego to Key West flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Key West from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Key West trip

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