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Carlsbad

$71+ Cheap flights from Denver (DEN) to Carlsbad, CA

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
août 4 — août 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Carlsbad are usually found in September or January, booked 41 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Denver to Carlsbad

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

Round-trip from

$118
(Frontier)

One-way from

$71
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$208
From Denver Intl to Carlsbad
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One-way flight from Denver Intl to Carlsbad
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Highest demand for flights based on searches. 10% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Denver to Carlsbad

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

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/2410:55 pmDEN - LAX
Nonstop2h 32mFrontier
sam. 9/66:45 amLAX - DEN
Nonstop2h 33mFrontier
Deal found 7/28$118
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/276:30 amDEN - LAX
Nonstop2h 31mDelta
sam. 9/272:59 pmLAX - DEN
Nonstop2h 23mDelta
Deal found 7/30$139

Cheapflights Fare Finder

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

Fly from

Denver

Fly to

Carlsbad

Route

Depart

Return

Price

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

dim. 8/24

10:55 pm-12:27 am

Nonstop2h 32m

Los Angeles

mar. 8/26

6:45 am-10:21 am

Nonstop2h 36m

$118

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

sam. 9/27

6:30 am-8:01 am

Nonstop2h 31m

Los Angeles

sam. 9/27

2:59 pm-6:22 pm

Nonstop2h 23m

$139

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

mar. 8/19

10:55 pm-12:27 am

Nonstop2h 32m

$71

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

mar. 8/26

8:00 am-2:57 pm

1 stop7h 57m

$87

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

lun. 9/1

6:15 am-7:45 am

Nonstop2h 30m

$99

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

ven. 8/29

6:17 pm-11:59 pm

1 stop6h 42m

$108

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

dim. 8/17

1:33 pm-11:58 pm

1 stop11h 25m

$110

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

sam. 8/16

7:10 am-11:43 am

1 stop5h 33m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Denver to Carlsbad

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

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

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

To ensure you get the cheapest price possible for a flight from Denver to Carlsbad, you should look to book at least 41 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 Denver to Carlsbad?

Currently, January is the cheapest month in which you can book a flight from Denver to Carlsbad (average of $246). Flying from Denver to Carlsbad in March is currently the most expensive (average of $326). 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 DEN to C4D?

Find hourly flight availability from Denver to Carlsbad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 30, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from Denver to Carlsbad. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Denver to Carlsbad flight should consider departing on Friday at noon 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 Denver to Carlsbad

Explore weekly flight availability from Denver to Carlsbad. 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 juillet 30, 2025.

The most flights from DEN to C4D are scheduled on a Monday (97 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (52 on average).

Reviews of airlines servicing Carlsbad

Get insights into the airlines that provide service to Carlsbad. 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 Carlsbad. Reviews last updated juillet 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Denver to Carlsbad have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

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 Denver to Carlsbad. 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 from for flights from Denver to Carlsbad?

    For a flight from Denver to Carlsbad, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 80 outbound flights to Carlsbad per day. 7 airlines have flights to Carlsbad from Denver Intl on a regular basis.

  • How popular is this Denver to Carlsbad flight route?

    Flights from Denver Intl to Carlsbad have been viewed 393 times in the past calendar month.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $71. Users have also found prices from $87 and $88 on Hawaiian Airlines and Alaska Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Denver to Carlsbad are Qatar Airways (91%), China Eastern (90%) and EL AL (88%).

  • What are the cheapest flights from Denver to Carlsbad?

    The cheapest flight price from Denver to Carlsbad is $78. On average you can expect to pay $1,781. The most popular route, (Denver Intl - Los Angeles), can usually be booked for $68.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Denver to Carlsbad (average of $246). Flying from Denver to Carlsbad in March is currently the most expensive (average of $326). 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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Alternative routes for Denver to Carlsbad

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Top 7 airlines flying from Denver to Carlsbad

Discover the top 7 airlines that operate flights from Denver to Carlsbad. 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 juillet 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$141FlexibilityNo cancel feeOn-time62%
DeltaCheapest$104Average$255FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$120Average$273FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$137Average$185FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$143Average$243FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$147Average$227FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$147Average$310FlexibilityNo cancel feeOn-time69%

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