Important: This destination may have COVID-19 travel restrictions in place, including specific restrictions for lodging. Check any national, local, and health advisories for this destination before you book.

Cheap Flight Deals From San Jose (SJC) to Boulder (DEN) Starting at $40

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This Weekend's Flight Deals from San Jose to Boulder

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Airfares from $40 One Way, $79 Round Trip from San Jose to Boulder

Prices starting at $79 for return flights and $40 for one-way flights to Boulder were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

More About Flying To Boulder from San Jose

Route Information for Flights from San Jose to Boulder

Origin Airport IATA Code SJC
Destination Airport IATA Code DEN
Distance 965 mi
Direct Flight Airlines Air Canada, Frontier Airlines, SA AVIANCA, Southwest Airlines, Asiana Airlines, Air New Zealand, United Airlines
Earliest Flight Arrival 11:28AM UTC
Latest Flight Arrival 4:55AM UTC

San Jose to Boulder

Orbitz is the best place to find guaranteed low prices on San Jose to Boulder flights. Because of our cutting-edge mobile tools and low fares on domestic and international flights, Orbitz is the best starting point for travelers.

Find Cheap San Jose to Boulder Flights

Orbitz offers free mobile apps for iPhone and Android devices—a great way to find fantastic deals on flights from San Jose to Boulder. Not only that, but you can check the status of your flight or even book low cost hotel rooms with the apps or on m.orbitz.com.

Get Miles and Points for Your Flight

Simply enter your frequent flyer information while booking to get miles or points for qualifying San Jose to Boulder flights. This information can all be saved in your Orbitz account, which means it will not have to be entered each time you take advantage of a great air fare deal.

Flight Alerts Take Away the Stress

Orbitz does not want travelers to worry on their flights from San Jose to Boulder. We keep you updated on any flight changes for San Jose to Boulder flights with alerts sent directly to your email or a mobile device. These alerts can also be sent to friends and family.

Discount Travel Planning Made Simple

You will have no problems finding budget flights from San Jose to Boulder on Orbitz.com. If your travel plans are flexible, you can search for fares three days before and after a specific date to find the best price.

Flights from San Jose to Boulder - Frequently Asked Questions

Am I able to catch a flight from San Jose to Boulder now?

Head to our Covid-19 Travel Advisor for the most useful info on quarantine requirements and travel restrictions when catching a flight from San Jose to Boulder.

Are there non-stop flights from San Jose to Boulder?

Yes, there are two airlines that offer direct flights from SFO to Denver, CO Airport (DEN-Denver Intl.). Look for a bargain fare and take to the skies with United Airlines or Frontier Airlines.

What is the shortest flight from San Jose to Boulder?

Leave those movies on your laptop for another time, because the journey from San Jose to Boulder can be as quick as 2 hours and 28 minutes.

What airlines fly from San Jose to Boulder most frequently?

There are a couple of airlines offering frequent flights from SFO to DEN, including United Airlines (UA). Popular with travelers, it operates 173 flights on this route every month. Frontier Airlines (F9) will also take you to your destination in style and comfort. Offering 60 flights every month between San Jose and Boulder, it's another popular airline to look into.

If I am not able to travel due to COVID-19, can I cancel my flight to Boulder?

We get that traveling right now has its challenges, so it's good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to Boulder have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you'll quickly see what options are available. Our Customer Service Portal is the place to go for more information.

Are there flights to Boulder with flexible change policies?

In most cases you'll have the option to reschedule your flight to Boulder without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the "no change fees" filter and book with confidence.

What is the cheapest day of the week to fly?

Consider flying out early in the week to save on your airfare. Orbitz data from 2020 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.

What is the cheapest month to fly?

We won't keep you guessing, according to Orbitz data the cheapest month to fly is August. Perfect for those who need a weekend getaway, or just a break from it all before the weather changes. Be aware that the most expensive time to fly is the height of summer, with ticket prices peaking in the month of June.

How can I save money on flights?

To really save big on your next vacation, think outside the box. Select two different airlines or fare types for your return trip and you'll generally get a much better deal. Those who tried this on Orbitz in 2020 saved up to 45% on their airfares. Get mixing and matching today!

*According to flight demand on Orbitz.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.