Cheap flights from Key West to Puerto Rico from $393
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Puerto Rico departing on 5/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Key West to Puerto Rico
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United Airlines flights from Key West to Puerto Rico
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How to get the cheapest flight ticket from Key West to Puerto Rico
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 Puerto Rico?
On average, the least expensive day to fly to Puerto Rico from Key West is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $448. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Wednesday, with ticket prices averaging around $448.
What is the cheapest time of day to depart on your flight to Puerto Rico?
Our most recent data shows that the best time of day to fly to Puerto Rico is in the morning. Flights from Key West to Puerto Rico during this time can be as low as $404. In contrast, the most expensive time of day to depart to Puerto Rico is in the afternoon when prices are around $448.
Cheap Key West to Puerto Rico flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Key West to Puerto Rico
When did momondo last update prices for flights from Key West Airport to Puerto Rico?
Prices for flights from Key West Airport to Puerto Rico refresh daily.
How many operators does momondo search for flights from Key West Airport to Puerto Rico?
There is 1 operator available for flights from Key West Airport to Puerto Rico as of April 2025.
How old do you have to be to fly from Key West Airport to Puerto Rico?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Key West Airport to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The travel and health documents required for your trip to Puerto Rico 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 Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Key West to Puerto Rico
Compare and see reviews for airlines that fly from Key West to Puerto Rico with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $246 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Key West to Puerto Rico?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Puerto Rico from Key West.
Can I find flights from Key West to Puerto Rico with flexible booking policies on momondo?
All flight searches from Key West to Puerto Rico on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Key West to Puerto Rico?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Key West to Puerto Rico.
I’m not ready to book a flight from Key West to Puerto Rico right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Key West to Puerto Rico now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Puerto Rico and let you know when they change.