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Cheap flights from San José to Denver

SJO — DEN
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from San José to Denver

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Denver (DEN). 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 18 September 2025.

Popular in

April

Cheapest in

August

Average price

£265

Good round-trip deal

£518 or less
Highest demand for flights based on searches. 5% potential increase in price (£14 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San José Juan Santamaria Intl to Denver Intl.
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Best time to book a flight from San José to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from San José with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from San José to Denver

How far ahead should I book a flight from San José, San José Province to Denver?

Use this chart to determine the optimal time to book a return flight from San José to Denver. Price data was last updated on 12 September 2025.

The best time to book flights from San José, San José Province to Denver is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San José, San José Province to Denver?

Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Denver (average of £667). Flying from San José, San José Province to Denver in July is currently the most expensive (average of £983). 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.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated 18 September 2025.
See what other customers who have flown with United Airlines from San José to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from San José to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from San José, San José Province to Denver round-trip?

    Currently priced at £371, United Airlines will fly you from San José, San José Province to Denver and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from San José to Denver that include hotel bookings?

    Yes. In addition to deals on San José to Denver flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San José to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Denver.

  • Can I find deals for business class flights from San José to Denver?

    Yes. Cheapflights offers flight deals from San José to Denver 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 San José, San José Province to Denver?

    Currently, January is the cheapest month in which you can book a flight from San José, San José Province to Denver (average of £667). Flying from San José, San José Province to Denver in July is currently the most expensive (average of £983). 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

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Winter Park
Frisco

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Top airline flying from San José to Denver

Discover the top airline that operate flights from San José to Denver. 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 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£371Average£572FlexibilityNo cancel feeOn-time69%
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San José to Denver?

Cheapflights helps you search for flights from San José to Denver via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from San José to Denver?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San José to Denver.

Can Cheapflights find flights from San José to Denver with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San José to Denver flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San José to Denver become cheaper?

Yes, Cheapflights offers price alerts on San José to Denver flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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