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$75+ Cheap flights from Pasadena, CA to Denver (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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Pasadena to Denver Intl are usually found in January or September, booked 31 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Pasadena to Denver

Keep the following information in mind while searching for Pasadena to Denver flight deals. Data was last updated July 30, 2025.

Round-trip from

$106
(Kiwi.com)

One-way from

$75
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$217
From Pasadena to Denver Intl
Search Deals
One-way flight from Pasadena to Denver Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Pasadena to Denver

Cheapest flights from Pasadena to Denver
Explore the most affordable flight options available from Pasadena to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sat 11/83:46 pmLAX - DEN
Nonstop2h 35mFrontier
Tue 11/1110:55 pmDEN - LAX
Nonstop2h 30mFrontier
Deal found 7/30$106
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/12:52 pmLAX - DEN
Nonstop2h 27mUnited Airlines
Wed 10/19:28 pmDEN - LAX
Nonstop2h 32mUnited Airlines
Deal found 7/28$134
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:23 pmLAX - DEN
Nonstop2h 21mDelta
Tue 10/76:15 amDEN - LAX
Nonstop2h 30mDelta
Deal found 7/28$139

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pasadena 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 July 30, 2025.
Use the filters below to find and compare flights from Pasadena to Denver that are best for you.

Fly from

Pasadena

Fly to

Denver

Route

Depart

Return

Price

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Tue 8/26

6:45 am-10:21 am

Nonstop2h 36m

Denver Intl

Thu 8/28

10:55 pm-12:27 am

Nonstop2h 32m

$106

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Wed 10/1

2:52 pm-6:19 pm

Nonstop2h 27m

Denver Intl

Wed 10/1

9:28 pm-11:00 pm

Nonstop2h 32m

$134

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Wed 10/1

8:23 pm-11:44 pm

Nonstop2h 21m

Denver Intl

Tue 10/7

6:15 am-7:45 am

Nonstop2h 30m

$139

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Fri 8/22

3:30 pm-7:04 pm

Nonstop2h 34m

$75

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Tue 8/19

8:04 am-11:34 am

Nonstop2h 30m

$85

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Tue 9/16

8:00 am-5:21 pm

1 stop8h 21m

$88

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Tue 8/26

6:00 am-2:06 pm

1 stop7h 06m

$94

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Mon 9/8

8:55 pm-4:00 am

1 stop6h 05m

$98

Los AngelesDenver

LAX - DEN

LAXDEN

Los Angeles

Thu 9/18

6:05 pm-10:55 pm

1 stop3h 50m

$104

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Pasadena to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Pasadena 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 Pasadena to Denver

How far ahead should I book a flight from Pasadena to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Pasadena to Denver. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Pasadena to Denver, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Pasadena to Denver?

Currently, October is the cheapest month in which you can book a flight from Pasadena to Denver (average of $197). Flying from Pasadena to Denver in March is currently the most expensive (average of $278). 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 P4S to DEN?

Find hourly flight availability from Pasadena 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 July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pasadena to Denver as you normally would.

What is the cheapest day to fly from Pasadena to Denver?

Use this chart to determine the cheapest time to fly round-trip from Pasadena to Denver. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Pasadena to Denver flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Pasadena to Denver

Explore weekly flight availability from Pasadena to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

The most flights from P4S to DEN are scheduled on a Wednesday (98 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (55 on average).

How much does it cost to fly round-trip from Pasadena to Denver?

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 July 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Pasadena to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • What airport do you fly into for flights to Denver from Pasadena?

    Located just 18.5 mi from the city center, Denver Intl is the airport most travelers will use when flying to Denver from Pasadena. Booking flights from Pasadena to Denver Intl (DEN) should be relatively easy as there are 78 daily inbound flights from Pasadena from 5 different airlines.

  • How popular is this Pasadena to Denver flight route?

    Within the past month, 387 users have taken a look at flights from Pasadena to Denver Intl.

  • What are the cheapest airlines to fly from Pasadena to Denver one-way?

    $75 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $85 and $88, respectively.

  • What are the most reliable airlines from Pasadena to Denver?

    The top 3 most reliable airlines when flying from Pasadena to Denver are EL AL (87%), Alaska Airlines (84%) and Cathay Pacific (82%).

  • What are the cheapest flights from Pasadena to Denver?

    Looking at all options, your cheapest flight can be booked for $77. While the most popular route (Los Angeles - Denver Intl) can be booked for $59 on average our data indicates $716 when flying from Pasadena to Denver.

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

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

  • How can I find direct flights from Pasadena to Denver?

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

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

    Yes. Cheapflights offers flight deals from Pasadena 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 Pasadena to Denver?

    Currently, October is the cheapest month in which you can book a flight from Pasadena to Denver (average of $197). Flying from Pasadena to Denver in March is currently the most expensive (average of $278). 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
Westminster
Black Hawk
Winter Park
Lakewood
Greeley
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield

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Top 5 airlines flying from Pasadena to Denver

Discover the top 5 airlines that operate flights from Pasadena 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$43Average$135FlexibilityNo cancel feeOn-time62%
DeltaCheapest$116Average$254FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$119Average$271FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$130Average$300FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$141Average$239FlexibilityNo cancel feeOn-time71%

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