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Cheap flights from San Diego to Key West from $218

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 8/14. 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.
American Airlines Logo
10:45 pm - 9:44 am
SAN
-
EYW
7h 59m
1 stop
American Airlines Logo
1:50 pm - 7:44 pm
EYW
-
SAN
8h 54m
1 stop
$431American Airlines
Fri, Aug 14 - Tue, Aug 18
Delta Logo
10:25 pm - 10:50 am
SAN
-
EYW
9h 25m
1 stop
Delta Logo
1:59 pm - 7:35 pm
EYW
-
SAN
8h 36m
1 stop
$431Delta
Fri, Aug 14 - Tue, Aug 18
Delta Logo
8:00 am - 8:00 pm
SAN
-
EYW
9h 00m
1 stop
Delta Logo
2:00 pm - 9:19 pm
EYW
-
SAN
10h 19m
1 stop
$439Delta
Wed, Sep 9 - Wed, Sep 16
Delta Logo
10:30 pm - 10:46 am
SAN
-
EYW
9h 16m
1 stop
Delta Logo
2:00 pm - 9:19 pm
EYW
-
SAN
10h 19m
1 stop
$439Delta
Tue, Sep 8 - Tue, Sep 15
Delta Logo
9:30 pm - 10:50 am
SAN
-
EYW
10h 20m
1 stop
Delta Logo
1:59 pm - 7:35 pm
EYW
-
SAN
8h 36m
1 stop
$441Delta
Fri, Aug 21 - Fri, Aug 28
American Airlines Logo
11:55 am - 10:44 pm
SAN
-
EYW
7h 49m
1 stop
American Airlines Logo
1:22 pm - 8:36 pm
EYW
-
SAN
10h 14m
1 stop
$476American Airlines
Fri, Jan 1 - Wed, Jan 6
American Airlines Logo
6:15 am - 4:30 pm
SAN
-
EYW
7h 15m
1 stop
American Airlines Logo
2:43 pm - 7:12 pm
EYW
-
SAN
7h 29m
1 stop
$476American Airlines
Fri, Jan 1 - Wed, Jan 6
American Airlines Logo
4:22 pm - 9:44 am
SAN
-
EYW
14h 22m
2 stops
American Airlines Logo
7:10 pm - 11:08 pm
EYW
-
SAN
6h 58m
1 stop
$479American Airlines
Wed, Aug 26 - Sat, Aug 29
American Airlines Logo
6:15 am - 4:30 pm
SAN
-
EYW
7h 15m
1 stop
American Airlines Logo
1:22 pm - 8:36 pm
EYW
-
SAN
10h 14m
1 stop
$485American Airlines
Fri, Jan 1 - Wed, Jan 6
American Airlines Logo
6:15 am - 4:30 pm
SAN
-
EYW
7h 15m
1 stop
American Airlines Logo
2:43 pm - 7:12 pm
EYW
-
SAN
7h 29m
1 stop
$485American Airlines
Fri, Jan 1 - Wed, Jan 6

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Delta flights from San Diego to Key West

Our best Delta deals on San Diego to Key West flight tickets
Delta
Aug 14
SAN10:25 pmSan Diego
9h 25m
1 stop
EYW10:50 amKey West
Aug 18
EYW1:59 pmKey West
8h 36m
1 stop
SAN7:35 pmSan Diego
$431
Delta
Sep 9
SAN8:00 amSan Diego
9h 00m
1 stop
EYW8:00 pmKey West
Sep 16
EYW2:00 pmKey West
10h 19m
1 stop
SAN9:19 pmSan Diego
$439
Delta
Aug 21
SAN9:30 pmSan Diego
10h 20m
1 stop
EYW10:50 amKey West
Aug 28
EYW1:59 pmKey West
8h 36m
1 stop
SAN7:35 pmSan Diego
$441

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 1
SAN6:15 amSan Diego
7h 15m
1 stop
EYW4:30 pmKey West
Jan 6
EYW2:43 pmKey West
7h 29m
1 stop
SAN7:12 pmSan Diego
$476
American Airlines
Aug 26
SAN4:22 pmSan Diego
14h 22m
2 stops
EYW9:44 amKey West
Aug 29
EYW7:10 pmKey West
6h 58m
1 stop
SAN11:08 pmSan Diego
$479
American Airlines
Jan 1
SAN6:15 amSan Diego
7h 15m
1 stop
EYW4:30 pmKey West
Jan 6
EYW2:43 pmKey West
7h 29m
1 stop
SAN7:12 pmSan Diego
$485

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 July 27, 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 8/14

10:45 pm-9:44 am

1 stop7h 59m

Key West

Tue 8/18

1:50 pm-7:44 pm

1 stop8h 54m

$431

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Fri 8/14

10:25 pm-10:50 am

1 stop9h 25m

Key West

Tue 8/18

1:59 pm-7:35 pm

1 stop8h 36m

$431

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 9/9

8:00 am-8:00 pm

1 stop9h 00m

Key West

Wed 9/16

2:00 pm-9:19 pm

1 stop10h 19m

$439

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Tue 9/8

10:30 pm-10:46 am

1 stop9h 16m

Key West

Tue 9/15

2:00 pm-9:19 pm

1 stop10h 19m

$439

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Fri 8/21

9:30 pm-10:50 am

1 stop10h 20m

Key West

Fri 8/28

1:59 pm-7:35 pm

1 stop8h 36m

$441

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Fri 1/1

11:55 am-10:44 pm

1 stop7h 49m

Key West

Wed 1/6

1:22 pm-8:36 pm

1 stop10h 14m

$476
Quickest round-trip

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Fri 1/1

6:15 am-4:30 pm

1 stop7h 15m

Key West

Wed 1/6

2:43 pm-7:12 pm

1 stop7h 29m

$476

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Wed 8/26

4:22 pm-9:44 am

2 stops14h 22m

Key West

Sat 8/29

7:10 pm-11:08 pm

1 stop6h 58m

$479

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Fri 1/1

6:15 am-4:30 pm

1 stop7h 15m

Key West

Wed 1/6

1:22 pm-8:36 pm

1 stop10h 14m

$485

San DiegoKey West

SAN - EYW

SANEYW

San Diego

Fri 1/1

6:15 am-4:30 pm

1 stop7h 15m

Key West

Wed 1/6

2:43 pm-7:12 pm

1 stop7h 29m

$485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, 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 $353. If you are unable to visit Key West during the month of October, then departing from San Diego during the month February is also very affordable. Most momondo users find prices during this month for around $406.

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 51m

Direct flights

None
The fastest flight from San Diego to Key West takes 7h 51m
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 7h 51m 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 $312Free CancellationRating
7.1
11,837 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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