Cheap flights from Denver, CO to San Juan, undefined

Flights starting at $90. Choose between Frontier Airlines, Spirit Airlines, or United Airlines to find the best price.

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Round trips

Updated:

One-way trips

Denver DENOrlando MCOSan Juan SJU

Frontier Airlines

$113
Denver DENFort Lauderdale FLLSan Juan SJU

Spirit Airlines

$119

Updated:

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Travelers usually depart from Denver International, Denver Union Station, Rocky Mountain Metropolitan Airport, or Centennial Airport when they travel from Denver to San Juan. Book your trip to arrive at Luis Muñoz Marín International, or Fernando Luis Ribas Dominicci. The most popular airlines for this route are Frontier Airlines, Spirit Airlines, United Airlines, JetBlue Airways, and American Airlines. Denver and San Juan have 401 direct flights per week.

Check-in for a flight from Denver to San Juan

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
JetBlue AirwaysJBUB6YesOpens 24 days before flight
Closes 2 hours before flight
American AirlinesAALAAYesNo

United States COVID-19 travel restrictions

Latest COVID-19 travel restrictions in United States – 02/2023
Your trip summary

Most travelers from Denver, DEN can enter Puerto Rico, but there are restrictions.

Departure

Travel restrictions
  • Proof of negative pre-departure COVID-19 test results or recovery certificate is not required
  • Quarantine is not required for vaccinated travelers
Forms and documents
  • Mandatory travel attestation form
Additional information
  • Health screening may be required on arrival
  • Masks are recommended in certain settings

Return

Travel restrictions
  • Travel is allowed with restrictions
  • Proof of negative pre-departure COVID-19 test results or recovery certificate is not required
  • Quarantine is not required for vaccinated travelers
Forms and documents
  • Mandatory proof of COVID-19 vaccination for United States

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Las Vegas, Los Angeles, Chicago, Minneapolis, Dallas, Washington, D.C., Orlando, Phoenix, San Francisco, Houston, San Diego, Austin, Atlanta, Paris, Philadelphia, New York, Miami, London, Seattle, Tampa.
What are the most popular routes to and from San Juan?
Travelers frequently search for route combinations, such as San Juan and Orlando, Philadelphia, New York, Atlanta, Chicago, Raleigh, Cincinnati, Saint Croix, Minneapolis, Charlotte, Washington, D.C., Fort Lauderdale, Dallas, Houston, Cleveland, Tampa, Madrid, Nashville, Boston, Austin.
Which airports are there in Denver?
Denver is mainly served by Denver International. But there are other airports nearby, including Rocky Mountain Metropolitan Airport, Centennial Airport.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Pueblo Memorial, Colorado Springs, Eagle County Regional, Laramie Regional, Cheyenne Regional.
What airports are near San Juan?
The main airport in San Juan is Luis Muñoz Marín International. It is also served by Aguadilla Rafael Hernandez, Mercedita, Eugenio María de Hostos.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Denver and San Juan?
Yes, it's possible to combine different modes of transport between Denver and San Juan thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Denver and San Juan can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between Denver and San Juan?
Currently, you can fly between Denver and San Juan with Frontier Airlines, Spirit Airlines, United Airlines, JetBlue Airways, American Airlines.
When's the best time to travel between Denver and San Juan?
If you don’t have specific dates for your trip between Denver and San Juan, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Denver and San Juan?
How many airports are there near Denver?
How many airports are there near San Juan?
What time do nonstop (direct) flights between Denver and San Juan depart?
What time do nonstop (direct) flights between Denver and San Juan arrive?
What time do flights between Denver and San Juan depart?
What time do flights between Denver and San Juan arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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