When did momondo last update prices for flights from Puerto Rico to Key West Airport?

Prices for flights from Puerto Rico to Key West Airport are updated daily.

How old do you have to be to fly from Puerto Rico to Key West Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Puerto Rico 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.

$347 Cheap Flights from Puerto Rico to Key West in 2025/26

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Find the cheapest flights from Puerto Rico to Key West

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Recent round-trip flight deals from Puerto Rico to Key West

Enter your travel dates to find the best prices.

10:58 am - 9:09 amSJU-EYW

23h 11m1 stop

1:06 pm - 4:13 pmEYW-SJU

26h 07m2 stops

$347Multiple Airlines

Find Deal

Thu, Jan 22 - Mon, Jan 26

3:55 am - 9:26 amSJU-EYW

6h 31m1 stop

1:06 pm - 4:13 pmEYW-SJU

26h 07m2 stops

$348Multiple Airlines

Find Deal

Wed, Jan 21 - Mon, Jan 26

10:58 am - 9:09 amSJU-EYW

23h 11m1 stop

1:06 pm - 2:50 amEYW-SJU

12h 44m1 stop

$351Multiple Airlines

Find Deal

Thu, Jan 22 - Mon, Jan 26

3:55 am - 9:26 amSJU-EYW

6h 31m1 stop

1:06 pm - 2:50 amEYW-SJU

12h 44m1 stop

$352Multiple Airlines

Find Deal

Wed, Jan 21 - Mon, Jan 26

3:55 am - 12:26 pmSJU-EYW

9h 31m1 stop

10:06 am - 2:50 amEYW-SJU

15h 44m1 stop

$356Multiple Airlines

Find Deal

Thu, Jan 22 - Sun, Jan 25

6:00 am - 10:57 amSJU-EYW

5h 57m1 stop

7:45 pm - 10:48 amEYW-SJU

14h 03m1 stop

$365American Airlines

Find Deal

Fri, Jan 23 - Sun, Jan 25

4:49 pm - 11:56 pmSJU-EYW

8h 07m1 stop

12:00 pm - 6:22 pmEYW-SJU

5h 22m1 stop

$373American Airlines

Find Deal

Fri, Jan 23 - Sun, Jan 25

6:00 am - 1:30 pmSJU-EYW

32h 30m3 stops

2:25 pm - 4:23 pmEYW-SJU

24h 58m2 stops

$395Spirit Airlines

Find Deal

Fri, Jan 23 - Sun, Jan 25

6:00 am - 1:30 pmSJU-EYW

32h 30m3 stops

2:25 pm - 4:23 pmEYW-SJU

24h 58m2 stops

$399Spirit Airlines

Find Deal

Fri, Jan 23 - Sun, Jan 25

2:05 am - 11:26 amSJU-EYW

34h 21m2 stops

6:05 pm - 4:36 pmEYW-SJU

45h 31m2 stops

$906United Airlines

Find Deal

Thu, Jan 22 - Sun, Jan 25

American Airlines flights from Puerto Rico to Key West

Our best American Airlines deals on Puerto Rico to Key West flight tickets

American Airlines

Jan 23

SJU6:00 amSan Juan Luis Munoz Marin Intl

5h 57m

1 stop

EYW10:57 amKey West

Jan 25

EYW7:45 pmKey West

14h 03m

1 stop

SJU10:48 amSan Juan Luis Munoz Marin Intl

$365

Find similar

American Airlines

Jan 23

SJU4:49 pmSan Juan Luis Munoz Marin Intl

8h 07m

1 stop

EYW11:56 pmKey West

Jan 25

EYW12:00 pmKey West

5h 22m

1 stop

SJU6:22 pmSan Juan Luis Munoz Marin Intl

$373

Find similar

American Airlines

Mar 3

SJU8:19 amSan Juan Luis Munoz Marin Intl

9h 24m

1 stop

EYW4:43 pmKey West

Mar 4

EYW3:20 pmKey West

23h 22m

2 stops

SJU3:42 pmSan Juan Luis Munoz Marin Intl

$514

Find similar

Spirit Airlines flights from Puerto Rico to Key West

Our best Spirit Airlines deals on Puerto Rico to Key West flight tickets

Spirit Airlines

Jan 23

SJU6:00 amSan Juan Luis Munoz Marin Intl

32h 30m

3 stops

EYW1:30 pmKey West

Jan 25

EYW2:25 pmKey West

24h 58m

2 stops

SJU4:23 pmSan Juan Luis Munoz Marin Intl

$395

Find similar

Spirit Airlines

Jan 23

SJU6:00 amSan Juan Luis Munoz Marin Intl

32h 30m

3 stops

EYW1:30 pmKey West

Jan 25

EYW2:25 pmKey West

24h 58m

2 stops

SJU4:23 pmSan Juan Luis Munoz Marin Intl

$399

Find similar

Spirit Airlines

Jan 23

SJU5:27 pmSan Juan Luis Munoz Marin Intl

21h 03m

2 stops

EYW1:30 pmKey West

Jan 25

EYW2:25 pmKey West

24h 58m

2 stops

SJU4:23 pmSan Juan Luis Munoz Marin Intl

$404

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 1/22

10:58 am-9:09 am

1 stop23h 11m

Key West

Mon 1/26

1:06 pm-4:13 pm

2 stops26h 07m

$347

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Wed 1/21

3:55 am-9:26 am

1 stop6h 31m

Key West

Mon 1/26

1:06 pm-4:13 pm

2 stops26h 07m

$348

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 1/22

10:58 am-9:09 am

1 stop23h 11m

Key West

Mon 1/26

1:06 pm-2:50 am

1 stop12h 44m

$351

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Wed 1/21

3:55 am-9:26 am

1 stop6h 31m

Key West

Mon 1/26

1:06 pm-2:50 am

1 stop12h 44m

$352

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 1/22

3:55 am-12:26 pm

1 stop9h 31m

Key West

Sun 1/25

10:06 am-2:50 am

1 stop15h 44m

$356

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 1/23

6:00 am-10:57 am

1 stop5h 57m

Key West

Sun 1/25

7:45 pm-10:48 am

1 stop14h 03m

$365

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 1/23

4:49 pm-11:56 pm

1 stop8h 07m

Key West

Sun 1/25

12:00 pm-6:22 pm

1 stop5h 22m

$373

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 1/23

6:00 am-1:30 pm

3 stops32h 30m

Key West

Sun 1/25

2:25 pm-4:23 pm

2 stops24h 58m

$395

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 1/23

6:00 am-1:30 pm

3 stops32h 30m

Key West

Sun 1/25

2:25 pm-4:23 pm

2 stops24h 58m

$399

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 1/22

2:05 am-11:26 am

2 stops34h 21m

Key West

Sun 1/25

6:05 pm-4:36 pm

2 stops45h 31m

$906

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Puerto Rico 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 day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Puerto Rico 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 Puerto Rico 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 Puerto Rico 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 Puerto Rico to Key West flight deals and tips

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

Direct flights	None

There are no direct flights from Puerto Rico to Key West. There are no popular flight routes from Puerto Rico to Key West.

Search flight deals

When did momondo last update prices for flights from Puerto Rico to Key West Airport?
Prices for flights from Puerto Rico to Key West Airport are updated daily.
How old do you have to be to fly from Puerto Rico to Key West Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Puerto Rico 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 Puerto Rico to Key West?

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

Can I find flights from Puerto Rico to Key West with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Puerto Rico to Key West flights to just show those with flexible booking policies.

How can momondo help me find flights from Puerto Rico to Key West?

Once you have performed a search for Puerto Rico 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 Puerto Rico to Key West right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Puerto Rico to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.