San Juan, United States to Denver, CO flights from $95

Flights starting at $95. Choose between Frontier Airlines, Spirit Airlines, or United Airlines to find the best price.

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One-way trips

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San Juan SJUMiami MIADenver DEN

Multiple carriers

$95
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San Juan SJUTampa TPADenver DEN

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$144

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

Check-in for a flight from San Juan to Denver

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
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight

United States COVID-19 travel restrictions

Latest COVID-19 travel restrictions in United States – 04/2023
Your trip summary

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

Departure

Travel restrictions
  • Travel is allowed with restrictions
  • Proof of pre-departure COVID-19 test 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
Additional information
  • Health screening may be required on arrival
  • Masks are recommended in certain settings

Return

Travel restrictions
  • Proof of pre-departure COVID-19 test or recovery certificate is not required
  • Quarantine is not required for vaccinated travelers
Forms and documents
  • Mandatory travel attestation form

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 San Juan?
Travelers frequently search for route combinations, such as San Juan and Orlando, Philadelphia, New York, Atlanta, Chicago, Raleigh, Saint Croix, Cincinnati, Fort Lauderdale, Santiago de los Caballeros, Washington, D.C., Guadalajara, Charlotte, Minneapolis, Dallas, Cleveland, Madrid, Barcelona, Boston, Tampa.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Chicago, Dallas, Minneapolis, Los Angeles, Washington, D.C., Houston, Orlando, San Francisco, Atlanta, Las Vegas, Austin, Phoenix, Philadelphia, San Diego, Miami, New York, Tampa, Detroit, Seattle, Salt Lake City.
Which airports are there in San Juan?
San Juan is mainly served by Luis Muñoz Marín International. But there are other airports nearby, including Fernando Luis Ribas Dominicci.
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, José Aponte de la Torre, Eugenio María de Hostos.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Pueblo Memorial, Colorado Springs, Laramie Regional, Eagle County Regional, Cheyenne Regional.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Juan and Denver?
Yes, it's possible to combine different modes of transport between San Juan and Denver thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between San Juan and Denver 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 San Juan and Denver?
Currently, you can fly between San Juan and Denver with Frontier Airlines, Spirit Airlines, United Airlines, JetBlue Airways, Delta Air Lines.
When's the best time to travel between San Juan and Denver?
If you don’t have specific dates for your trip between San Juan and Denver, 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 San Juan and Denver?
How many airports are there near San Juan?
How many airports are there near Denver?
What time do nonstop (direct) flights between San Juan and Denver depart?
What time do nonstop (direct) flights between San Juan and Denver arrive?
What time do flights between San Juan and Denver depart?
What time do flights between San Juan and Denver 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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Flights from San Juan

Flights to Denver

Popular routes

Airports near San Juan

Airports near Denver

  • Denver International
  • Pueblo Memorial
  • Colorado Springs
  • Eagle County Regional
  • Aspen–Pitkin County
  • Gunnison–Crested Butte Regional
  • Yampa Valley
  • Cheyenne Regional
  • Laramie Regional
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