What is the cheapest airline that flies from San Juan to Key West?

Spirit Airlines and United Airlines are the most popular carriers operating from San Juan to Key West

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

Prices for flights from San Juan to Key West Airport refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan to Key West Airport.

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

The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$186 Cheap Flights from San Juan to Key West in 2025/26

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0 bags

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Find the cheapest flights from San Juan to Key West

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:19 am - 10:59 pmSJU-EYW

15h 40m1 stop

7:54 pm - 10:07 amEYW-SJU

13h 13m1 stop

$473American Airlines

Find Deal

mar., mar. 3 - mié., mar. 4

2:31 pm - 10:59 pmSJU-EYW

9h 28m1 stop

3:20 pm - 1:33 pmEYW-SJU

21h 13m2 stops

$514American Airlines

Find Deal

mar., mar. 3 - mié., mar. 4

8:19 am - 7:24 pmSJU-EYW

12h 05m1 stop

7:00 am - 1:33 pmEYW-SJU

5h 33m1 stop

$555American Airlines

Find Deal

mar., mar. 3 - mié., mar. 4

American Airlines flights from San Juan to Key West

Our best American Airlines deals on San Juan to Key West flight tickets

American Airlines

Mar 3

SJU8:19 amSan Juan Luis Munoz Marin Intl

15h 40m

1 stop

EYW10:59 pmKey West

Mar 4

EYW7:54 pmKey West

13h 13m

1 stop

SJU10:07 amSan Juan Luis Munoz Marin Intl

$473

Find similar

American Airlines

Mar 3

SJU2:31 pmSan Juan Luis Munoz Marin Intl

9h 28m

1 stop

EYW10:59 pmKey West

Mar 4

EYW3:20 pmKey West

21h 13m

2 stops

SJU1:33 pmSan Juan Luis Munoz Marin Intl

$514

Find similar

American Airlines

Mar 3

SJU8:19 amSan Juan Luis Munoz Marin Intl

12h 05m

1 stop

EYW7:24 pmKey West

Mar 4

EYW7:00 amKey West

5h 33m

1 stop

SJU1:33 pmSan Juan Luis Munoz Marin Intl

$555

Find similar

United Airlines flights from San Juan to Key West

Our best United Airlines deals on San Juan to Key West flight tickets

United Airlines

Nov 6

SJU7:45 amSan Juan Luis Munoz Marin Intl

31h 19m

3 stops

EYW2:04 pmKey West

Nov 9

EYW2:42 pmKey West

29h 18m

3 stops

SJU9:00 pmSan Juan Luis Munoz Marin Intl

$722

Find similar

United Airlines

Nov 6

SJU8:10 amSan Juan Luis Munoz Marin Intl

30h 54m

3 stops

EYW2:04 pmKey West

Nov 10

EYW3:00 pmKey West

53h 00m

3 stops

SJU9:00 pmSan Juan Luis Munoz Marin Intl

$1,038

Find similar

United Airlines

Oct 31

SJU1:05 amSan Juan Luis Munoz Marin Intl

14h 14m

2 stops

EYW3:19 pmKey West

Nov 8

EYW4:00 pmKey West

22h 40m

1 stop

SJU3:40 pmSan Juan Luis Munoz Marin Intl

$1,110

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

mar. 3/3

8:19 am-10:59 pm

1 stop15h 40m

Key West

mié. 3/4

7:54 pm-10:07 am

1 stop13h 13m

$473

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

mar. 3/3

2:31 pm-10:59 pm

1 stop9h 28m

Key West

mié. 3/4

3:20 pm-1:33 pm

2 stops21h 13m

$514

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

mar. 3/3

8:19 am-7:24 pm

1 stop12h 05m

Key West

mié. 3/4

7:00 am-1:33 pm

1 stop5h 33m

$555

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

vie. 1/9

5:20 pm-1:30 pm

1 stop21h 10m

$186

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

mar. 12/30

6:00 am-11:20 am

1 stop6h 20m

$201

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

vie. 1/9

5:28 pm-9:06 am

2 stops40h 38m

$213

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

lun. 12/29

3:54 am-7:07 am

3 stops28h 13m

$222

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

vie. 1/9

7:00 am-10:09 am

3 stops28h 09m

$228

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

mar. 12/30

6:00 am-7:07 am

2 stops26h 07m

$246

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

mar. 12/30

11:38 am-1:30 pm

3 stops26h 52m

$269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Juan 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

Prices

Airlines

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 Juan is on a Thursday. momondo users have found tickets for Thursday departures for as low as $423. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from San Juan to Key West for around $703.

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 morning. momondo users have found flights departing from San Juan to Key West in the morning for as low as $478. 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 at noon, with an average ticket price of $633. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap San Juan to Key West flight deals and tips

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

Direct flights	None

There are no direct flights from San Juan to Key West. There are no popular flight routes from San Juan to Key West.

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How far is San Juan to Key West by plane?
Key West is 1091.2 mi away from San Juan. Typically, this will take 9h 28m by plane in normal conditions.
When did momondo last update prices for flights from San Juan to Key West Airport?
Prices for flights from San Juan to Key West Airport refresh daily.
How old do you have to be to fly from San Juan to Key West Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Juan to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Big Pine Key

Little Torch Key

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Juan to Key West. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Key West from San Juan with this policy.

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

Once all potential San Juan to Key West flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Key West from San Juan 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.