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Cheap flights from San Diego to Key West from $219

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 Diego to Key West departing on 10/3. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:30 pm - 11:00 am
SAN
-
EYW
9h 30m
1 stop
Delta Logo
6:18 pm - 10:57 pm
EYW
-
SAN
7h 39m
1 stop
$412Delta
Mon, Jul 20 - Wed, Jul 29
American Airlines Logo
10:45 pm - 10:56 am
SAN
-
EYW
9h 11m
1 stop
American Airlines Logo
1:50 pm - 7:44 pm
EYW
-
SAN
8h 54m
1 stop
$465American Airlines
Sat, Aug 8 - Fri, Aug 14
American Airlines Logo
6:20 am - 4:54 pm
SAN
-
EYW
7h 34m
1 stop
American Airlines Logo
4:41 pm - 9:45 pm
EYW
-
SAN
8h 04m
1 stop
$487American Airlines
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
12:24 pm - 11:07 am
SAN
-
EYW
19h 43m
1 stop
Multiple Airlines Logo
1:11 pm - 7:00 pm
EYW
-
SAN
32h 49m
2 stops
$491Multiple Airlines
Sun, Aug 9 - Fri, Aug 14
American Airlines Logo
10:25 pm - 10:55 am
SAN
-
EYW
9h 30m
1 stop
American Airlines Logo
4:41 pm - 11:59 pm
EYW
-
SAN
10h 18m
2 stops
$534American Airlines
Mon, Jul 20 - Wed, Jul 29
American Airlines Logo
6:20 am - 4:54 pm
SAN
-
EYW
7h 34m
1 stop
American Airlines Logo
11:28 am - 6:50 pm
EYW
-
SAN
10h 22m
2 stops
$551American Airlines
Wed, Jul 8 - Wed, Jul 15
American Airlines Logo
6:20 am - 4:54 pm
SAN
-
EYW
7h 34m
1 stop
American Airlines Logo
4:56 pm - 11:55 pm
EYW
-
SAN
9h 59m
1 stop
$576American Airlines
Mon, Aug 3 - Sat, Aug 8
Multiple Airlines Logo
12:09 pm - 10:27 am
SAN
-
EYW
19h 18m
1 stop
Multiple Airlines Logo
12:05 pm - 8:06 pm
EYW
-
SAN
35h 01m
2 stops
$587Multiple Airlines
Thu, Aug 13 - Sun, Aug 16
American Airlines Logo
4:22 pm - 9:44 am
SAN
-
EYW
14h 22m
2 stops
American Airlines Logo
1:50 pm - 7:44 pm
EYW
-
SAN
8h 54m
1 stop
$603American Airlines
Sat, Aug 8 - Fri, Aug 14
American Airlines Logo
10:45 pm - 9:44 am
SAN
-
EYW
7h 59m
1 stop
American Airlines Logo
10:15 am - 7:54 pm
EYW
-
SAN
12h 39m
2 stops
$609American Airlines
Wed, Aug 5 - Sat, Aug 15

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United Airlines flights from San Diego to Key West

Our best United Airlines deals on San Diego to Key West flight tickets
United Airlines
Nov 14
SAN10:30 pmSan Diego
11h 32m
1 stop
EYW1:02 pmKey West
Nov 18
EYW4:05 pmKey West
8h 52m
1 stop
SAN9:57 pmSan Diego
$489
United Airlines
Nov 14
SAN12:30 pmSan Diego
23h 36m
2 stops
EYW3:06 pmKey West
Nov 18
EYW4:05 pmKey West
8h 52m
1 stop
SAN9:57 pmSan Diego
$586
United Airlines
Nov 14
SAN4:10 pmSan Diego
19h 56m
2 stops
EYW3:06 pmKey West
Nov 18
EYW4:05 pmKey West
8h 52m
1 stop
SAN9:57 pmSan Diego
$592

American Airlines flights from San Diego to Key West

Our best American Airlines deals on San Diego to Key West flight tickets
American Airlines
Aug 8
SAN10:45 pmSan Diego
9h 11m
1 stop
EYW10:56 amKey West
Aug 14
EYW1:50 pmKey West
8h 54m
1 stop
SAN7:44 pmSan Diego
$465
American Airlines
Jul 8
SAN6:20 amSan Diego
7h 34m
1 stop
EYW4:54 pmKey West
Jul 15
EYW4:41 pmKey West
8h 04m
1 stop
SAN9:45 pmSan Diego
$487
American Airlines
Jul 20
SAN10:25 pmSan Diego
9h 30m
1 stop
EYW10:55 amKey West
Jul 29
EYW4:41 pmKey West
10h 18m
2 stops
SAN11:59 pmSan Diego
$534

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 June 11, 2026.
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

Cheapest round-trip

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Mon 7/20

10:30 pm-11:00 am

1 stop9h 30m

Key West

Wed 7/29

6:18 pm-10:57 pm

1 stop7h 39m

$412

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sat 8/8

10:45 pm-10:56 am

1 stop9h 11m

Key West

Fri 8/14

1:50 pm-7:44 pm

1 stop8h 54m

$465
Quickest round-trip

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 7/8

6:20 am-4:54 pm

1 stop7h 34m

Key West

Wed 7/15

4:41 pm-9:45 pm

1 stop8h 04m

$487

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sun 8/9

12:24 pm-11:07 am

1 stop19h 43m

Key West

Fri 8/14

1:11 pm-7:00 pm

2 stops32h 49m

$491

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Mon 7/20

10:25 pm-10:55 am

1 stop9h 30m

Key West

Wed 7/29

4:41 pm-11:59 pm

2 stops10h 18m

$534

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 7/8

6:20 am-4:54 pm

1 stop7h 34m

Key West

Wed 7/15

11:28 am-6:50 pm

2 stops10h 22m

$551

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Mon 8/3

6:20 am-4:54 pm

1 stop7h 34m

Key West

Sat 8/8

4:56 pm-11:55 pm

1 stop9h 59m

$576

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Thu 8/13

12:09 pm-10:27 am

1 stop19h 18m

Key West

Sun 8/16

12:05 pm-8:06 pm

2 stops35h 01m

$587

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sat 8/8

4:22 pm-9:44 am

2 stops14h 22m

Key West

Fri 8/14

1:50 pm-7:44 pm

1 stop8h 54m

$603

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 8/5

10:45 pm-9:44 am

1 stop7h 59m

Key West

Sat 8/15

10:15 am-7:54 pm

2 stops12h 39m

$609

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between San Diego and Key West?

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 $314. If you are unable to visit Key West during the month of September, then departing from San Diego during the month October is also very affordable. Most momondo users find prices during this month for around $370.

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

8h 43m

Direct flights

None
The fastest flight from San Diego to Key West takes 8h 43m
There are no direct flights from San Diego to Key West. There are no popular flight routes from San Diego to Key West.
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Frequently asked questions about flying from San Diego to Key West

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

    Key West is 2204.3 mi away from San Diego. Typically, this will take 8h 43m 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
American AirlinesPriceFrom $314Free CancellationRating
7.1
11,640 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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