$29 Cheap flight deals from San Jose (SJC) to Boulder (DEN)

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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.

Sun, Dec 14 - Tue, Dec 16
SFO
San Francisco Intl.
DEN
Denver Intl.
$271 Roundtrip, found 3 hours ago
$271
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sun, Dec 14 from San Francisco Intl. to Denver Intl., returning Tue, Dec 16, priced at $271 found 3 hours ago
Fri, Dec 12 - Tue, Dec 16
OAK
Oakland Intl.
DEN
Denver Intl.
$358 Roundtrip, found 6 days ago
$358
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Dec 12 from Oakland Intl. to Denver Intl., returning Tue, Dec 16, priced at $358 found 6 days ago
Sun, Dec 14 - Wed, Dec 31
SJC
Norman Y. Mineta San Jose Intl.
DEN
Denver Intl.
$420 Roundtrip, found 1 hour ago
$420
Roundtrip
found 1 hour ago
Select Bargain Flight flight, departing Sun, Dec 14 from Norman Y. Mineta San Jose Intl. to Denver Intl., returning Wed, Dec 31, priced at $420 found 1 hour ago

Airfares from $29 One Way, $58 Round Trip from San Jose to Boulder

Prices starting at $58 for return flights and $29 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.

Wed, Feb 18 - Tue, Mar 3
SFO
San Francisco
DEN
Denver
$58 Roundtrip, found 1 hour ago
$58
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Feb 18 from San Francisco to Denver, returning Tue, Mar 3, priced at $58 found 1 hour ago
Sat, Jan 31 - Tue, Feb 3
SFO
San Francisco
DEN
Denver
$59 Roundtrip, found 1 day ago
$59
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jan 31 from San Francisco to Denver, returning Tue, Feb 3, priced at $59 found 1 day ago
Wed, Jan 14 - Sat, Jan 17
SFO
San Francisco
DEN
Denver
$63 Roundtrip, found 1 hour ago
$63
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Jan 14 from San Francisco to Denver, returning Sat, Jan 17, priced at $63 found 1 hour ago
Sat, Feb 21 - Mon, Feb 23
SFO
San Francisco
DEN
Denver
$69 Roundtrip, found 2 hours ago
$69
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Feb 21 from San Francisco to Denver, returning Mon, Feb 23, priced at $69 found 2 hours ago
Mon, Jan 26 - Sun, Feb 1
SJC
San Jose
DEN
Denver
$128 Roundtrip, found 6 days ago
$128
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Jan 26 from San Jose to Denver, returning Sun, Feb 1, priced at $128 found 6 days ago

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
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

San Jose to Boulder

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Frequently asked questions

Are there non-stop flights from San Jose to Boulder?
You betcha. As a matter of fact, there are 3 airlines that will fly you directly from San Francisco Airport to Denver Intl. Airport (DEN). Lock in your seat with one of these well-known carriers:

  • United Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the shortest flight from San Jose to Boulder?
It can zip by in as little as 2 hours and 25 minutes. If you believe your vacation hours should be spent 'vacationing' rather than flying, you'll enjoy the flight from San Francisco, CA (SFO-San Francisco Intl.) to DEN.
What airlines fly from San Jose to Boulder most frequently?
Consider booking a ticket with United Airlines (UA), which flies frequently along this route. This airline offers 212 flights every month between San Francisco Airport and DEN. Alternatively, lock in your favorite seat with Southwest Airlines (WN). You'll have 82 monthly flights between San Jose and Boulder to take your pick of with this airline.
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 2021 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 from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

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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.