HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$60+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJC — DEN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 84 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 January 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:34 am
SJC
-
DEN
1 stop16h 22m
Frontier
Sun 2/2210:34 pm
DEN
-
SJC
1 stop11h 06m
Frontier
Deal found 1/21$138
This Cheapflightsfares deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:35 am
SJC
-
DEN
1 stop22h 56m
Frontier
Wed 3/49:31 pm
DEN
-
SJC
1 stop13h 08m
Frontier
Deal found 1/19$143
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:42 pm
SJC
-
DEN
1 stop12h 19m
Frontier
Thu 3/266:00 am
DEN
-
SJC
1 stop13h 07m
Frontier
Deal found 1/20$147
This CheapOair deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:49 pm
SJC
-
DEN
1 stop22h 16m
Frontier
Sat 2/2810:43 pm
DEN
-
SJC
1 stop22h 19m
Frontier
Deal found 1/21$160
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:57 pm
SJC
-
DEN
1 stop5h 59m
Frontier
Wed 3/410:49 pm
DEN
-
SJC
1 stop19h 55m
Frontier
Deal found 1/20$162
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:57 pm
SJC
-
DEN
1 stop5h 59m
Frontier
Thu 3/57:00 am
DEN
-
SJC
2 stops36h 07m
Frontier
Deal found 1/20$165
This Kiwi.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:34 am
SJC
-
DEN
1 stop12h 02m
Frontier
Sun 3/810:30 pm
DEN
-
SJC
1 stop21h 55m
Frontier
Deal found 1/18$166
This Kiwi.com deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:34 am
SJC
-
DEN
1 stop12h 02m
Frontier
Thu 2/267:00 am
DEN
-
SJC
2 stops25h 55m
Frontier
Deal found 1/20$167
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:50 pm
SJC
-
DEN
1 stop8h 09m
Alaska Airlines
Wed 3/41:10 pm
DEN
-
SJC
1 stop5h 23m
Alaska Airlines
Deal found 1/20$177

Find flight deals from San Jose to Denver

Discover tips and strategies to find the most affordable flight options for your journey from San Jose (SJC) 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 January 21, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$143
(Cheapflightsfares)

One-way from

$60
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$317

Good round-trip deal

$352 or less

Good one-way deal

$201 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. 18% potential increase in price ($64 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 January 2026
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

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Jose to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from San Jose to Denver that are best for you.

Fly from

San Jose

Fly to

Denver

Route

Depart

Return

Price

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Sat 2/28

2:25 pm-11:25 pm

1 stop8h 00m

Denver Intl

Wed 3/4

6:40 am-10:05 pm

1 stop16h 25m

$183

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Sat 2/28

7:15 am-11:25 pm

1 stop15h 10m

Denver Intl

Sat 3/7

6:40 am-1:37 pm

1 stop7h 57m

$183

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Mon 3/2

7:15 am-9:06 pm

2 stops12h 51m

Denver Intl

Thu 3/5

6:40 am-10:05 pm

1 stop16h 25m

$189

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Fri 2/27

11:45 am-10:27 pm

2 stops9h 42m

Denver Intl

Wed 3/4

6:40 am-5:38 pm

1 stop11h 58m

$189

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Sat 2/28

7:15 am-9:06 pm

2 stops12h 51m

Denver Intl

Mon 3/2

6:40 am-5:33 pm

2 stops11h 53m

$194

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Fri 2/27

11:45 am-10:27 pm

2 stops9h 42m

Denver Intl

Thu 3/5

12:50 pm-10:05 pm

2 stops10h 15m

$194

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Sat 2/28

8:00 am-5:20 pm

1 stop8h 20m

Denver Intl

Tue 3/3

7:40 am-2:13 pm

1 stop7h 33m

$197

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Fri 3/6

7:10 pm-10:42 am

2 stops14h 32m

Denver Intl

Mon 3/9

7:52 pm-1:42 pm

1 stop18h 50m

$198

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Wed 3/4

10:26 am-5:48 pm

1 stop6h 22m

Denver Intl

Fri 3/6

1:10 pm-12:08 pm

1 stop23h 58m

$200

San JoseDenver

SJC - DEN

SJCDEN

San Jose

Tue 3/3

10:24 am-5:48 pm

1 stop6h 24m

Denver Intl

Thu 3/5

11:38 am-10:59 pm

2 stops12h 21m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from San Jose to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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?

Use this chart to determine the optimal time to book a round-trip flight from San Jose to Denver. Price data was last updated on January 16, 2026.

The best time to book flights from San Jose, California to Denver is 84 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?

Find hourly flight availability from San Jose to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2026.

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 at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 10% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from San Jose to Denver. Price data was last updated on January 17, 2026.

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

The best insider tips for San Jose to Denver flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Jose to Denver trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on SJC

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more

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 January 21, 2026.
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
8.0
Very good
4,266 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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
8,086 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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
9,189 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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
5.7
Fair
3,055 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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

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

  • 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 11 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 4 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 49 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 8h. The distance between San Jose, California and Denver is about 945 mi.

  • 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 $59 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $158 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 Southwest and United Airlines, with prices starting from $98 and $100, 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%), United Airlines (97%) 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 $380, our data shows the cheapest flight currently is $143. When looking at the most popular route, (San Jose - Denver Intl), you can expect to pay $159 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Greeley
Lone Tree
Centennial
Wheat Ridge
Cripple Creek
Winter Park
Silverthorne
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Jose to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Denver flights
San Francisco to Denver flights
Ontario to Denver flights
Santa Ana to Denver flights
San Diego to Denver flights
Las Vegas to Denver flights
Sacramento to Denver flights
Burbank to Denver flights
Los Angeles to Aspen flights
Oakland to Denver flights
Reno to Denver flights
Fresno to Denver flights
San Francisco to Aspen flights
Los Angeles to Vail flights
Los Angeles to Hayden flights
Long Beach to Denver flights
San Francisco to Vail flights
San Luis Obispo to Denver flights
Bakersfield to Denver flights
Palm Springs to Denver flights
Ontario to Aspen flights
Monterey to Denver flights
Santa Barbara to Denver flights
Los Angeles to Colorado Springs flights
Medford to Denver flights
San Francisco to Hayden flights
Santa Rosa to Denver flights
Los Angeles to Montrose flights
San Diego to Colorado Springs flights
Redding to Denver flights
Las Vegas to Colorado Springs flights
San Francisco to Montrose flights
Ontario to Colorado Springs flights
San Francisco to Durango flights
San Francisco to Grand Junction flights
San Francisco to Colorado Springs flights
Sacramento to Colorado Springs flights
Ontario to Vail flights
Burbank to Aspen flights
Santa Ana to Aspen flights
Los Angeles to Grand Junction flights
San Diego to Hayden flights
Santa Ana to Vail flights
Sacramento to Grand Junction flights
San Jose to Colorado Springs flights
Santa Ana to Grand Junction flights
Burbank to Colorado Springs flights
Ontario to Montrose flights
Los Angeles to Durango flights

Top 4 airlines flying from San Jose to Denver

Discover the top 4 airlines that operate flights from San Jose 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 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$175FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$216FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$158Average$359FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$209Average$354FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.