How popular is this San Jose, California to Denver flight route?

The San Jose to Denver Intl flight path was viewed by 43 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from San Jose, California to Denver?

Departing from San Jose, California to Denver will take you 10h 14m. The distance between San Jose, California and Denver is about 945 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from San Jose, California to Denver round-trip?

Our cheapest airline available from San Jose, California to Denver is Frontier. Our recent data shows that you can find tickets from as low as $58 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $157 and $158 round-trip. Frontier is 79% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from San Jose, California to Denver one-way?

$41 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $98 and $98, respectively.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the cheapest flights from San Jose, California to Denver?

While on average a flight from San Jose, California to Denver is generally $735, our data shows the cheapest flight currently is $125. When looking at the most popular route, (San Jose - Denver Intl), you can expect to pay $172 for that flight.

What are the most reliable airlines from San Jose, California to Denver?

The top 3 most reliable airlines when flying from San Jose, California to Denver are Frontier (100%), Air Canada (96%) and Lufthansa (96%).

What are the most popular airlines that fly from San Jose, California to Denver?

Consider Frontier, United Airlines or Southwest when booking your flight. These represent the most popular airlines when flying from San Jose, California to Denver.

Most accurate provider : When it comes to deals on San Jose, California-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Jose, California-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Jose, California-Denver flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San Jose, California-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from San Jose to Denver?

Booking a flight from San Jose (SJC) to Denver Intl (DEN) is your only option if you wish to fly from San Jose to Denver. On a typical day, there are 4 flights from San Jose to Denver Intl, all of which are around 2h 25m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from San Jose to Denver.

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

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

How can I find direct flights from San Jose to Denver?

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

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

Yes. Cheapflights offers flight deals from San Jose 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.

$68+ Flights from San Jose, CA to Denver

Q: How much does it cost to fly round-trip from San Jose, California to Denver?

Airfare is below average for this route at the moment. San Jose, California to Denver flights typically cost between $207 and $443 in January. The cheapest round-trip price found within the last 3 days was $146 on Frontier (Jan 26-Jan 29).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from San Jose to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Jose to Denver Intl are usually found in September or February, booked 35 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from San Jose to Denver

Cheapest flights from San Jose to Denver
Explore the most affordable flight options available from San Jose to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Tue 12/307:45 pmSJC - DEN

1 stop25h 32mDelta

Tue 1/66:29 amDEN - SJC

1 stop8h 01mDelta

Deal found 12/16

$333

Wed 12/312:53 pmSJC - DEN

1 stop8h 06mAlaska Airlines

Tue 1/68:22 pmDEN - SJC

1 stop14h 26mAlaska Airlines

Deal found 12/16

$360

Thu 12/257:43 pmSJC - DEN

1 stop13h 23mFrontier

Wed 1/76:48 pmDEN - SJC

1 stop16h 44mFrontier

Deal found 12/16

$366

Wed 12/245:40 pmSJC - DEN

1 stop27h 37mDelta

Tue 1/66:29 amDEN - SJC

1 stop12h 11mDelta

Deal found 12/16

$378

Sun 12/287:48 pmSJC - DEN

2 stops22h 20mFrontier

Thu 1/16:00 amDEN - SJC

1 stop9h 32mFrontier

Deal found 12/16

$387

Wed 12/245:40 pmSJC - DEN

1 stop27h 37mDelta

Sun 1/116:29 amDEN - SJC

1 stop8h 01mDelta

Deal found 12/17

$388

Wed 12/245:40 pmSJC - DEN

1 stop27h 37mDelta

Thu 1/812:49 pmDEN - SJC

2 stops10h 18mDelta

Deal found 12/17

$393

Tue 12/305:40 pmSJC - DEN

1 stop27h 37mDelta

Thu 1/16:45 amDEN - SJC

1 stop26h 39mDelta

Deal found 12/16

$423

Best flights from San Jose to Denver
Discover carefully curated flight deals from San Jose to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Wed 2/1812:45 pmSJC - DEN

1 stop10h 14mAlaska Airlines

Thu 2/197:00 amDEN - SJC

1 stop27h 22mAlaska Airlines

Deal found 12/16

$212

Tue 2/1711:45 amSJC - DEN

1 stop10h 40mDelta

Fri 2/206:40 amDEN - SJC

1 stop7h 57mDelta

Deal found 12/16

$223

Sat 2/147:15 amSJC - DEN

1 stop9h 12mDelta

Thu 2/196:40 amDEN - SJC

1 stop7h 57mDelta

Deal found 12/16

$223

Mon 2/168:05 pmSJC - DEN

1 stop26h 54mAlaska Airlines

Thu 2/197:00 amDEN - SJC

1 stop16h 59mAlaska Airlines

Deal found 12/16

$232

Thu 1/292:25 pmSJC - DEN

1 stop8h 00mDelta

Wed 2/412:46 pmDEN - SJC

2 stops10h 21mDelta

Deal found 12/18

$228

Fri 1/96:15 amSJC - DEN

1 stop16h 20mAlaska Airlines

Mon 1/125:09 pmDEN - SJC

2 stops24h 28mAlaska Airlines

Deal found 12/17

$238

Wed 2/1811:45 amSJC - DEN

1 stop10h 40mDelta

Mon 2/236:20 pmDEN - SJC

2 stops20h 17mDelta

Deal found 12/16

$228

Fri 2/66:15 amSJC - DEN

1 stop16h 20mAlaska Airlines

Mon 2/97:39 pmDEN - SJC

2 stops18h 29mAlaska Airlines

Deal found 12/16

$238

Wed 2/1811:45 amSJC - DEN

2 stops9h 42mDelta

Thu 2/195:30 amDEN - SJC

2 stops9h 07mDelta

Deal found 12/16

$234

Wed 2/117:45 amSJC - DEN

2 stops10h 44mDelta

Fri 2/135:30 amDEN - SJC

2 stops9h 07mDelta

Deal found 12/17

$234

Last-minute flights from San Jose to Denver
Discover last-minute flight deals from San Jose to Denver. Data last updated December 18, 2025 and is based on user searches.

Thu 1/1511:14 amSJC - DEN

1 stop20h 47mFrontier

Thu 1/227:10 amDEN - SJC

1 stop9h 01mFrontier

Deal found 12/17

$162

Sat 1/175:45 pmSJC - DEN

1 stop5h 13mHawaiian Airlines

Mon 1/197:39 pmDEN - SJC

1 stop27h 56mHawaiian Airlines

Deal found 12/17

$189

Mon 1/197:31 pmSJC - DEN

1 stop13h 59mFrontier

Thu 1/227:10 amDEN - SJC

1 stop9h 01mFrontier

Deal found 12/17

$148

Thu 1/224:06 pmSJC - DEN

1 stop6h 25mFrontier

Sun 1/256:05 amDEN - SJC

1 stop7h 04mFrontier

Deal found 12/17

$179

Thu 1/2912:34 pmSJC - DEN

1 stop25h 52mFrontier

Wed 2/49:44 pmDEN - SJC

1 stop18h 27mFrontier

Deal found 12/18

$146

Thu 1/294:06 pmSJC - DEN

1 stop6h 25mFrontier

Sun 2/16:05 amDEN - SJC

1 stop7h 04mFrontier

Deal found 12/16

$165

Thu 1/294:06 pmSJC - DEN

1 stop6h 25mFrontier

Sun 2/86:05 amDEN - SJC

1 stop7h 04mFrontier

Deal found 12/15

$172

Thu 1/2912:34 pmSJC - DEN

1 stop6h 46mFrontier

Sat 2/79:44 pmDEN - SJC

1 stop15h 25mFrontier

Deal found 12/15

$181

One-way flights from San Jose to Denver
Search for one-way flight options from San Jose to Denver. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Mon 1/2610:37 amSJC - DEN

1 stop22h 55mFrontier

Deal found 12/15

$68

Mon 1/197:31 pmSJC - DEN

1 stop13h 59mFrontier

Deal found 12/16

$72

Sat 1/317:00 amSJC - DEN

1 stop6h 05mMultiple Airlines

Deal found 12/17

$75

Sun 2/228:57 pmSJC - DEN

1 stop5h 59mFrontier

Deal found 12/17

$78

Thu 2/512:34 pmSJC - DEN

1 stop6h 46mFrontier

Deal found 12/17

$81

Thu 1/2912:34 pmSJC - DEN

1 stop6h 46mFrontier

Deal found 12/16

$82

Mon 1/1211:44 amSJC - DEN

1 stop21h 58mFrontier

Deal found 12/16

$85

Mon 3/98:20 pmSJC - DEN

1 stop6h 36mFrontier

Deal found 12/16

$86

Thu 1/811:27 amSJC - DEN

1 stop7h 45mFrontier

Deal found 12/16

$87

Mon 2/910:37 amSJC - DEN

1 stop12h 07mFrontier

Deal found 12/16

$88

Sun 1/2510:07 amSJC - DEN

1 stop22h 52mFrontier

Deal found 12/16

$89

Find flight deals from San Jose to Denver

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$146 (Kiwi.com)
One-way from	$68 (Kiwi.com)
Popular in	November
Cheapest in	September
Average price	$320
Good round-trip deal	$393 or less
Good one-way deal	$187 or less

Provider with most accurate pricing for San Jose-Denver Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Jose-Denver Intl flights.

Search Deals

From San Jose to Denver Intl

Search Deals

One-way flight from San Jose to Denver Intl

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($57 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from San Jose to Denver Intl.

Search Deals

Price to beat on a one-way flight from San Jose to Denver Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Wed 2/18

12:45 pm-11:59 pm

1 stop10h 14m

Denver Intl

Thu 2/19

7:00 am-9:22 am

1 stop27h 22m

$212

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Tue 2/17

11:45 am-11:25 pm

1 stop10h 40m

Denver Intl

Fri 2/20

6:40 am-1:37 pm

1 stop7h 57m

$223

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Sat 2/14

7:15 am-5:27 pm

1 stop9h 12m

Denver Intl

Thu 2/19

6:40 am-1:37 pm

1 stop7h 57m

$223

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Thu 1/29

2:25 pm-11:25 pm

1 stop8h 00m

Denver Intl

Wed 2/4

12:46 pm-10:07 pm

2 stops10h 21m

$228

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Wed 2/18

11:45 am-11:25 pm

1 stop10h 40m

Denver Intl

Mon 2/23

6:20 pm-1:37 pm

2 stops20h 17m

$228

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Mon 2/16

8:05 pm-11:59 pm

1 stop26h 54m

Denver Intl

Thu 2/19

7:00 am-10:59 pm

1 stop16h 59m

$232

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Wed 2/18

11:45 am-10:27 pm

2 stops9h 42m

Denver Intl

Thu 2/19

5:30 am-1:37 pm

2 stops9h 07m

$234

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Wed 2/11

7:45 am-7:29 pm

2 stops10h 44m

Denver Intl

Fri 2/13

5:30 am-1:37 pm

2 stops9h 07m

$234

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Fri 1/9

6:15 am-11:35 pm

1 stop16h 20m

Denver Intl

Mon 1/12

5:09 pm-4:37 pm

2 stops24h 28m

$238

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Fri 2/6

6:15 am-11:35 pm

1 stop16h 20m

Denver Intl

Mon 2/9

7:39 pm-1:08 pm

2 stops18h 29m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 results

Compare providers for flights from San Jose to Denver

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Jose to Denver in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on San Jose, California-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Jose, California-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Jose, California-Denver flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San Jose, California-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Jose, California-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Jose to Denver

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

Estimated round-trip 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 Jose to Denver

How far ahead should I book a flight from San Jose, California to Denver?

The best time to book flights from San Jose, California to Denver is 35 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 Jose, California to Denver?

Currently, March is the cheapest month in which you can book a flight from San Jose, California to Denver (average of $41). Flying from San Jose, California to Denver in June is currently the most expensive (average of $106). 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.

What is the cheapest time of day to fly from SJC to DEN?

One of the essential ways to save on airfare from San Jose, California to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 10% on airfare.

What is the cheapest day to fly from San Jose, California to Denver?

Travelers seeking maximum savings on their San Jose, California to Denver flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Jose, California to Denver?

The best insider tips for San Jose to Denver flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Jose to Denver trip

Airlines

Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.

Early check-in helps secure your place as Frontier often overbooks flights.

United Airlines

Basic Economy allows a personal item only; no carry-on bags unless exceptions apply.

Economy Plus offers extra legroom seats at the front of the economy cabin.

Airports

SJC

SJC offers free Wi-Fi throughout the airport, making it easy to stay connected before your flight to DEN.

DEN

Take the A Line train from DEN to Union Station for a quick 37-minute ride into downtown Denver.

Our travel experts

Marisa Garcia

Expert on Frontier

Harriet Baskas

Expert on United Airlines

Emily Zemler

Expert on DEN

Daniel Scheffler

Expert on SJC

Reviews of airlines servicing Denver

See what other customers who have flown with Southwest, Delta, and United Airlines from San Jose 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.

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,005 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,091 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,054 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,081 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airports do I use to fly from San Jose to Denver?
Booking a flight from San Jose (SJC) to Denver Intl (DEN) is your only option if you wish to fly from San Jose to Denver. On a typical day, there are 4 flights from San Jose to Denver Intl, all of which are around 2h 25m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from San Jose to Denver.
How popular is this San Jose, California to Denver flight route?
The San Jose to Denver Intl flight path was viewed by 43 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from San Jose, California to Denver?
Departing from San Jose, California to Denver will take you 10h 14m. The distance between San Jose, California and Denver is about 945 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from San Jose, California to Denver round-trip?
Our cheapest airline available from San Jose, California to Denver is Frontier. Our recent data shows that you can find tickets from as low as $58 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $157 and $158 round-trip. Frontier is 79% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from San Jose, California to Denver one-way?
$41 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $98 and $98, respectively.
What are the most reliable airlines from San Jose, California to Denver?
The top 3 most reliable airlines when flying from San Jose, California to Denver are Frontier (100%), Air Canada (96%) and Lufthansa (96%).
What are the cheapest flights from San Jose, California to Denver?
While on average a flight from San Jose, California to Denver is generally $735, our data shows the cheapest flight currently is $125. When looking at the most popular route, (San Jose - Denver Intl), you can expect to pay $172 for that flight.
Can I find deals for flights from San Jose to Denver that include hotel bookings?
Yes. In addition to deals on San Jose to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Jose to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Jose to Denver.
Can I find deals for business class flights from San Jose to Denver?
Yes. Cheapflights offers flight deals from San Jose 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 Jose, California to Denver?
Currently, March is the cheapest month in which you can book a flight from San Jose, California to Denver (average of $41). Flying from San Jose, California to Denver in June is currently the most expensive (average of $106). 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

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Complete your trip

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Other flights to Denver

Top 5 airlines flying from San Jose to Denver

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$62	Average$180	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$158	Average$216	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$179	Average$359	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$207	Average$344	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$211	Average$251	FlexibilityNo cancel fee	On-time71%

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$68+ Cheap flights from San Jose, CA to Denver (SJC - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Jose to Denver with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Jose to Denver Intl are usually found in September or February, booked 35 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from San Jose to Denver

Cheapest flights from San Jose to DenverExplore the most affordable flight options available from San Jose to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from San Jose to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from San Jose to Denver

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The best insider tips for San Jose to Denver flights

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Cheapflights partnered with top experts to bring you the best recommendations for your San Jose to Denver trip

Airlines

Frontier

United Airlines

Airports

SJC

DEN

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Reviews of airlines servicing Denver

See what other customers who have flown with Southwest, Delta, and United Airlines from San Jose 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.

Related info for your journey

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Cheapest flights from San Jose to Denver
Explore the most affordable flight options available from San Jose to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.