Cheap Flights from San Jose Juan Santamaria to Denver International

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      United
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      Compare San Jose Juan Santamaria to Denver International flight deals

      Find the cheapest month or even day of the year to fly to Denver International

      Book the best Denver International fare with no extra fees

      Flight deals from San Jose Juan Santamaria to Denver International

      Looking for a cheap last-minute deal or the best return flight from San Jose Juan Santamaria Airport to Denver International Airport? If you want to travel next month, return fares start from $646. Find the lowest prices on one-way and return tickets right here.

      Find the cheapest month to fly from San Jose Juan Santamaria to Denver International

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Jose Juan Santamaria to Denver International flights are currently cheapest in October.

      Direct flights from San Jose Juan Santamaria to Denver International

      Southwest Airlines
      United

      San Jose Juan Santamaria to Denver International: Alternative routes

      Compare routes from San Jose Juan Santamaria to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

      San Jose to Denver: Flight information

      The things to know before you go.
      Cheapest flight found$646
      Cheapest month to flyOctober
      Average flight time5 hrs, 42 mins
      Most popular airlineUnited
      Average flights per week4

      Finding cheap flights from San Jose Juan Santamaria to Denver International: Frequently asked questions

      The best price we found for a return flight from San Jose Juan Santamaria to Denver International is $646. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      5 hours and 42 minutes is the average flight time from San Jose Juan Santamaria to Denver International.
      United and Southwest Airlines fly direct from San Jose Juan Santamaria to Denver International.
      As of September 2026, there are 4 flights per week flying from San Jose Juan Santamaria to Denver International.
      The cheapest month to fly from San Jose Juan Santamaria to Denver International is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Jose Juan Santamaria Airport to Denver International Airport on Saturday, 10 October 2026.
      Yes – the average flight time is 5 hours and 42 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines and United offer the cheapest flight tickets to Denver International.

      Travelling from San Jose Juan Santamaria Airport (SJO) to Denver International Airport (DEN): what you need to know

      • Around 5 hours 40 minutes is how long you can expect to be travelling on a direct flight from San Jose Juan Santamaria Airport to Denver International Airport.

      • Denver's timezone is UTC-7, making Denver one hour behind San Jose.

      • To ensure you get on your SJO to DEN flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.

      • Travelling during a peak time such as April? Public holidays and other popular seasons can mean longer lines and delays at security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

      • United is your ticket to exploring Denver (and perhaps some other great parts of the United States!). Browse the direct flights from San Jose Juan Santamaria Airport to Denver International Airport offered by this popular carrier.

      • The majority of travellers choose to travel with United on this route.

      • With 66.67% of its services arriving as planned, Southwest Airlines is the most punctual carrier operating SJO to DEN flights.

      • If you'd like to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from San Jose Juan Santamaria Airport to Denver International Airport. Here are the most popular stopovers between SJO and DEN:

        • Dallas Fort Worth International Airport

        • Houston Hobby Airport

        • Liberia Airport

      How to find the cheapest flights from San Jose Juan Santamaria Airport (SJO) to Denver International Airport (DEN)

      • The lowest price we've found for a one-way San Jose Juan Santamaria Airport to Denver International Airport flight is $317. A round-trip fare is currently $646. Depending on the availability when you book, these fares could change.

      • Don't leave everything to the last moment. You're more likely to find cheap tickets from SJO to DEN if you book in advance. Airlines often have some great early bird rates.

      • May is the cheapest month for flights from San Jose Juan Santamaria Airport to Denver International Airport. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

      • Spend less time searching for cheap flights from SJO to DEN by creating a Price Alert. We'll send you an email or notification on the app when a new low fare is offered.

      • Tailor your trip with filters. Select your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from San Jose Juan Santamaria Airport to Denver International Airport.

      Handy information about San Jose Juan Santamaria Airport (SJO)

      • 79% of flights that depart San Jose Juan Santamaria Airport land at their destination on schedule.

      • San Jose Juan Santamaria Airport is about 18 kilometres from central San Jose. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 25 minutes or so to get there, depending on the traffic.

      • The trip when using public transport takes about 1 hour.

      • Searching for a handy hotel near SJO? If you're boarding an early flight from San Jose Juan Santamaria Airport to Denver International Airport, these accommodation options will have you moments from your check-in counter:

      Arriving at Denver International Airport (DEN)

      • Get off your San Jose Juan Santamaria Airport to Denver International Airport flight and be snoozing in your hotel bed soon after. If you want a handy option within easy reach of DEN, consider Baymont by Wyndham Denver International Airport.

      • Travel at your own pace with a Denver International Airport rental car. Pick up a set of wheels from Routes Car Rentals, Dollar or Budget and experience more of Denver and beyond.

      • Lock in the best rate by reserving your vehicle from Denver International Airport around one week before your trip.

      Getting from Denver International Airport (DEN) to central Denver

      • You'll find DEN at 8500 Pena Boulevard.

      • Denver International Airport is roughly 40 kilometres from the centre of Denver. Driving there takes about 35 minutes.

      • Getting to the centre on public transport will take you around 35 minutes.

      When to fly to Denver International Airport (DEN)

      • The quietest month for a flight from San Jose Juan Santamaria Airport to Denver International Airport is January, while July is the busiest. Pick the ideal time to visit Denver based on whether you prefer a bustling atmosphere or a more laid-back vibe.

      • Book your flight from San Jose Juan Santamaria Airport to Denver International Airport for July if you'd like to visit Denver during its warmest month. Expect temperatures of between 14ºC and 32ºC.

      • Search for cheap tickets from SJO to DEN in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between -9ºC and 7ºC on average.

      Explore more of the United States

      • Denver has plenty going for it, but there are so many other parts of the United States just waiting to be explored. Around 105 kilometres south of Denver, a trip to Colorado Springs will fill your itinerary to the brim. Start with popular sights like Garden of the Gods, Pikes Peak Region Attractions and Red Rock Canyon.

      • Aurora is another favourite destination in the United States and is around 13 kilometres east of Denver. No trip is complete without a visit to Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.