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$144+ Cheap flights from Key West (EYW) to Puerto Rico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJU
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Key West to Puerto Rico

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to Puerto Rico (PR0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Round-trip from

$399
(American Airlines)

One-way from

$144
(Mytrip)
From Key West to Puerto Rico
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One-way flight from Key West to Puerto Rico
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Find flight deals from Key West to Puerto Rico

Cheapest flights from Key West to Puerto Rico
Explore the most affordable flight options available from Key West to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This American Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/171:27 pmEYW - SJU
1 stop8h 18mAmerican Airlines
Sat 8/232:05 pmSJU - EYW
1 stop4h 22mAmerican Airlines
Deal found 1/16$360
This JetBlue deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/3010:55 amEYW - SJU
1 stop8h 23mJetBlue
Sun 2/26:01 amSJU - EYW
1 stop9h 19mJetBlue
Deal found 1/16$435
This United Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/301:50 pmEYW - SJU
1 stop9h 46mUnited Airlines
Sat 2/12:05 amSJU - EYW
1 stop11h 42mUnited Airlines
Deal found 1/16$531

Find flights from Key West to Puerto Rico within your budget

Customize your flight search to find flights from Key West to Puerto Rico 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, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 1/30

10:55 am-8:18 pm

1 stop8h 23m

San Juan Luis Munoz Marin Intl

Sun 2/2

6:01 am-2:20 pm

1 stop9h 19m

$435

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 1/30

8:10 am-9:59 pm

2 stops12h 49m

San Juan Luis Munoz Marin Intl

Sun 2/2

7:45 am-4:37 pm

1 stop9h 52m

$485

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 1/30

1:50 pm-12:36 am

1 stop9h 46m

San Juan Luis Munoz Marin Intl

Sat 2/1

2:05 am-12:47 pm

1 stop11h 42m

$531

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Mon 3/3

10:55 am-7:58 pm

1 stop8h 03m

$186

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Sun 3/2

1:45 pm-9:00 pm

1 stop6h 15m

$218

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Sun 3/2

7:40 pm-2:40 pm

2 stops18h 00m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Best time to book a flight from Key West to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Key West with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Key West to Puerto Rico

Get recent, data-driven insights about flights from Key West to Puerto Rico including ideal travel times, pricing trends, and more.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated January 16, 2025.
JetBlue
7.4
Good
3,199 reviews

Boarding

7.6

Food

6.9

Overall

7.4

Comfort

7.7

Crew

8.1

Entertainment

7.4

Reviews

1 / 10

Flight canceled, returned to NY and waiting for the new one. Thanks

JetBlue
7.4
Good
3,199 reviews
JetBlue
7.4
Good
3,199 reviews

Boarding

7.6

Food

6.9

Overall

7.4

Comfort

7.7

Crew

8.1

Entertainment

7.4

Reviews

1 / 10

Flight canceled, returned to NY and waiting for the new one. Thanks

United Airlines
7.4
Good
8,965 reviews
JetBlue
7.4
Good
3,199 reviews

Boarding

7.6

Food

6.9

Overall

7.4

Comfort

7.7

Crew

8.1

Entertainment

7.4

Reviews

1 / 10

Flight canceled, returned to NY and waiting for the new one. Thanks

American Airlines
7.2
Good
10,000 reviews
JetBlue
7.4
Good
3,199 reviews

Boarding

7.6

Food

6.9

Overall

7.4

Comfort

7.7

Crew

8.1

Entertainment

7.4

Reviews

1 / 10

Flight canceled, returned to NY and waiting for the new one. Thanks

Related info for your journey

Find useful and relevant information for your journey from Key West to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Key West to Puerto Rico?

    If you book a flight to Puerto Rico from Key West, you will be flying from Key West, which is the city’s only airport. Key West (EYW) is located 2.6 mi from the center of Key West.

  • What are the cheapest airlines to fly from Key West to Puerto Rico one-way?

    One-way options have recently been found by users for as low as $186 on JetBlue. Other airlines that offer cheap prices include American Airlines from $218 and United Airlines from $320 one-way.

  • Can I find deals for flights from Key West to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Key West to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key West to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to Puerto Rico.

  • Can I find deals for business class flights from Key West to Puerto Rico?

    Yes. Cheapflights offers flight deals from Key West to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key West to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Key West to Puerto Rico (average of $254). Flying from Key West to Puerto Rico in March is currently the most expensive (average of $378). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Key West to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Key West to Puerto Rico

Discover the top airline that operate flights from Key West to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$448FlexibilityNo cancel feeOn-time71%
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