$48+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — DEN
Nov 28 — Dec 51
1 adult, Economy
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Find cheap flights from Pasadena 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 Pasadena to Denver Intl are usually found in January or September, booked 75 days in advance, depart on a Friday or Saturday and return on a Friday
Find flight deals from Pasadena to Denver
Cheapest flights from Pasadena to DenverExplore 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 October 29, 2025.
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 October 29, 2025.
This CheapOair deal was found by Cheapflights users on 10/27. 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.
Mon 11/1710:21 amLAX - DEN
1 stop22h 50mFrontier
Mon 11/2410:29 pmDEN - LAX
Nonstop2h 40mFrontier
Deal found 10/27![Frontier logo]()
$82
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:30 pmLAX - DEN
1 stop16h 34mFrontier
Mon 12/86:00 amDEN - LAX
Nonstop2h 42mFrontier
Deal found 10/27![Frontier logo]()
$83
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:51 pmLAX - DEN
Nonstop2h 26mFrontier
Sun 12/710:50 pmDEN - LAX
Nonstop2h 39mFrontier
Deal found 10/28![Frontier logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:48 pmLAX - DEN
Nonstop2h 37mFrontier
Sat 11/158:45 pmDEN - LAX
1 stop13h 41mFrontier
Deal found 10/28![Frontier logo]()
$87
This Flightnetwork deal was found by Cheapflights users on 10/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:48 pmLAX - DEN
Nonstop2h 37mFrontier
Tue 11/1810:29 pmDEN - LAX
1 stop22h 24mFrontier
Deal found 10/29![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Tue 12/308:58 pmLAX - DEN
Nonstop2h 26mFrontier
Mon 1/126:20 amDEN - LAX
1 stop11h 26mFrontier
Deal found 10/29![Frontier logo]()
$89
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:40 amLAX - DEN
Nonstop2h 38mFrontier
Sun 11/168:00 amDEN - LAX
Nonstop2h 33mFrontier
Deal found 10/27![Frontier logo]()
$90
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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.
Tue 11/117:00 amLAX - DEN
Nonstop2h 35mFrontier
Mon 11/1710:55 pmDEN - LAX
Nonstop2h 30mFrontier
Deal found 10/27![Frontier logo]()
$91
This Frontier deal was found by Cheapflights users on 10/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:05 pmLAX - DEN
1 stop13h 51mFrontier
Mon 12/810:50 pmDEN - LAX
Nonstop2h 39mFrontier
Deal found 10/27![Frontier logo]()
$92
This CheapOair deal was found by Cheapflights users on 10/27. 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.
Tue 12/27:00 amLAX - DEN
Nonstop2h 33mFrontier
Thu 12/45:03 pmDEN - LAX
Nonstop2h 37mFrontier
Deal found 10/27![Frontier logo]()
$93
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 October 29, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $83 (Frontier) |
One-way from | $48 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $192 |
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 October 29, 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
Sat 12/13
8:15 am-11:44 am
Nonstop2h 29m
Denver Intl
Wed 12/17
6:25 am-8:05 am
Nonstop2h 40m
$139
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Thu 12/18
8:15 am-11:44 am
Nonstop2h 29m
Denver Intl
Mon 12/22
6:45 am-8:28 am
Nonstop2h 43m
$157
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 11/19
8:40 am-12:10 pm
Nonstop2h 30m
Denver Intl
Mon 11/24
10:30 pm-12:05 am
Nonstop2h 35m
$164
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Fri 12/5
12:40 pm-3:55 pm
Nonstop2h 15m
Denver Intl
Tue 12/9
1:25 pm-4:40 pm
1 stop4h 15m
$183
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 1/21
1:56 pm-11:36 pm
1 stop8h 40m
Denver Intl
Sun 1/25
7:00 am-1:41 pm
1 stop7h 41m
$186
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 11/12
2:33 pm-5:58 pm
Nonstop2h 25m
Denver Intl
Sat 11/15
4:05 pm-5:41 pm
Nonstop2h 36m
$209
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Thu 12/4
8:02 am-7:24 pm
2 stops10h 22m
Denver Intl
Mon 12/8
11:41 am-8:09 pm
1 stop9h 28m
$212
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Fri 1/16
2:56 pm-11:36 pm
1 stop7h 40m
Denver Intl
Sun 1/18
11:49 am-5:24 pm
1 stop6h 35m
$214
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Fri 1/23
3:09 pm-11:58 pm
2 stops7h 49m
Denver Intl
Wed 1/28
5:09 pm-10:59 pm
1 stop6h 50m
$219
Los AngelesDenver
LAX - DEN
LAXDEN
Los Angeles
Wed 12/10
6:00 am-6:03 pm
2 stops11h 03m
Denver Intl
Wed 12/17
11:41 am-8:09 pm
1 stop9h 28m
$221
Showing 1-10 of 23 results
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 October 24, 2025.
To ensure you get the cheapest price possible for a flight from Pasadena to Denver, you should look to book at least 75 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, March is the cheapest month in which you can book a flight from Pasadena to Denver (average of $36). Flying from Pasadena to Denver in September is currently the most expensive (average of $76). 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 October 29, 2025.
One of the essential ways to save on airfare from Pasadena to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 39% on airfare.
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 October 26, 2025.
Travelers seeking maximum savings on their Pasadena to Denver flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon 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 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 October 29, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines 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.
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Boarding
8.1
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsBlack Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Central City
Manitou Springs
Fort Morgan
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Pasadena to Denver
See prices for flight routes from nearby airports that may be better suited for you.
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 October 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$145 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$118 | Average$277 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$120 | Average$260 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$133 | Average$303 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$155 | Average$252 | FlexibilityNo cancel fee | On-time71% |