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Cheap flights from San Diego to Key West from $198

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 6/11. 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

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.
American Airlines Logo
9:20 pm - 11:21 am
SAN
-
EYW
11h 01m
1 stop
American Airlines Logo
1:28 pm - 8:00 pm
EYW
-
SAN
9h 32m
1 stop
$389American Airlines
Fri, Sep 11 - Tue, Sep 15
Multiple Airlines Logo
12:09 pm - 10:27 am
SAN
-
EYW
19h 18m
1 stop
Multiple Airlines Logo
11:52 am - 8:42 am
EYW
-
SAN
23h 50m
2 stops
$392Multiple Airlines
Sun, May 24 - Fri, May 29
American Airlines Logo
10:25 pm - 10:56 am
SAN
-
EYW
9h 31m
1 stop
American Airlines Logo
1:01 pm - 6:47 pm
EYW
-
SAN
8h 46m
1 stop
$395American Airlines
Sun, May 24 - Fri, May 29
American Airlines Logo
10:28 pm - 12:16 pm
SAN
-
EYW
10h 48m
1 stop
American Airlines Logo
1:39 pm - 9:48 pm
EYW
-
SAN
11h 09m
2 stops
$414American Airlines
Sat, May 30 - Wed, Jun 3
Delta Logo
8:00 am - 7:40 pm
SAN
-
EYW
8h 40m
1 stop
Delta Logo
6:19 pm - 11:27 pm
EYW
-
SAN
8h 08m
1 stop
$419Delta
Wed, May 6 - Tue, May 12
American Airlines Logo
6:15 am - 7:19 pm
SAN
-
EYW
10h 04m
2 stops
American Airlines Logo
1:39 pm - 9:48 pm
EYW
-
SAN
11h 09m
2 stops
$420American Airlines
Sat, May 30 - Wed, Jun 3
American Airlines Logo
9:12 am - 10:58 pm
SAN
-
EYW
10h 46m
2 stops
American Airlines Logo
6:45 am - 11:16 am
EYW
-
SAN
7h 31m
1 stop
$424American Airlines
Wed, May 6 - Tue, May 12
American Airlines Logo
8:15 am - 10:58 pm
SAN
-
EYW
11h 43m
2 stops
American Airlines Logo
3:58 pm - 10:00 pm
EYW
-
SAN
9h 02m
2 stops
$429American Airlines
Wed, May 6 - Tue, May 12
American Airlines Logo
11:00 pm - 12:57 pm
SAN
-
EYW
10h 57m
2 stops
American Airlines Logo
12:05 pm - 8:00 pm
EYW
-
SAN
10h 55m
2 stops
$439American Airlines
Fri, Sep 11 - Tue, Sep 15
Delta Logo
8:00 am - 7:40 pm
SAN
-
EYW
8h 40m
1 stop
Delta Logo
11:48 am - 4:30 pm
EYW
-
SAN
7h 42m
1 stop
$449Delta
Wed, May 6 - Tue, May 12

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American Airlines flights from San Diego to Key West

Our best American Airlines deals on San Diego to Key West flight tickets
American Airlines
Sep 11
SAN9:20 pmSan Diego
11h 01m
1 stop
EYW11:21 amKey West
Sep 15
EYW1:28 pmKey West
9h 32m
1 stop
SAN8:00 pmSan Diego
$389
American Airlines
May 24
SAN10:25 pmSan Diego
9h 31m
1 stop
EYW10:56 amKey West
May 29
EYW1:01 pmKey West
8h 46m
1 stop
SAN6:47 pmSan Diego
$395
American Airlines
May 30
SAN10:28 pmSan Diego
10h 48m
1 stop
EYW12:16 pmKey West
Jun 3
EYW1:39 pmKey West
11h 09m
2 stops
SAN9:48 pmSan Diego
$414

Delta flights from San Diego to Key West

Our best Delta deals on San Diego to Key West flight tickets
Delta
May 6
SAN8:00 amSan Diego
8h 40m
1 stop
EYW7:40 pmKey West
May 12
EYW6:19 pmKey West
8h 08m
1 stop
SAN11:27 pmSan Diego
$419
Delta
May 6
SAN8:00 amSan Diego
8h 40m
1 stop
EYW7:40 pmKey West
May 12
EYW11:48 amKey West
7h 42m
1 stop
SAN4:30 pmSan Diego
$449
Delta
May 4
SAN6:15 amSan Diego
8h 08m
1 stop
EYW5:23 pmKey West
May 8
EYW6:19 pmKey West
8h 08m
1 stop
SAN11:27 pmSan Diego
$515

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 April 23, 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

Fri 9/11

9:20 pm-11:21 am

1 stop11h 01m

Key West

Tue 9/15

1:28 pm-8:00 pm

1 stop9h 32m

$389

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sun 5/24

12:09 pm-10:27 am

1 stop19h 18m

Key West

Fri 5/29

11:52 am-8:42 am

2 stops23h 50m

$392

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sun 5/24

10:25 pm-10:56 am

1 stop9h 31m

Key West

Fri 5/29

1:01 pm-6:47 pm

1 stop8h 46m

$395

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sat 5/30

10:28 pm-12:16 pm

1 stop10h 48m

Key West

Wed 6/3

1:39 pm-9:48 pm

2 stops11h 09m

$414

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 5/6

8:00 am-7:40 pm

1 stop8h 40m

Key West

Tue 5/12

6:19 pm-11:27 pm

1 stop8h 08m

$419

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Sat 5/30

6:15 am-7:19 pm

2 stops10h 04m

Key West

Wed 6/3

1:39 pm-9:48 pm

2 stops11h 09m

$420

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 5/6

9:12 am-10:58 pm

2 stops10h 46m

Key West

Tue 5/12

6:45 am-11:16 am

1 stop7h 31m

$424

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 5/6

8:15 am-10:58 pm

2 stops11h 43m

Key West

Tue 5/12

3:58 pm-10:00 pm

2 stops9h 02m

$429

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Fri 9/11

11:00 pm-12:57 pm

2 stops10h 57m

Key West

Tue 9/15

12:05 pm-8:00 pm

2 stops10h 55m

$439
Quickest round-trip

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 5/6

8:00 am-7:40 pm

1 stop8h 40m

Key West

Tue 5/12

11:48 am-4:30 pm

1 stop7h 42m

$449

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, October 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 $370. If you are unable to visit Key West during the month of October, then departing from San Diego during the month August is also very affordable. Most momondo users find prices during this month for around $373.

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

You could potentially save up to 3% 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

8h 14m

Direct flights

None
The fastest flight from San Diego to Key West takes 8h 14m
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

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 14m 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 $302Free CancellationRating
7.9
8,450 reviews
Search Delta flights
American AirlinesPriceFrom $314Free CancellationRating
7.1
11,666 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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