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Costa Mesa

$43+ Cheap flights from Denver (DEN) to Costa Mesa, 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
Feb 2 — Feb 91
Sun 2/2
Sun 2/9
1 adult, Economy
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The best prices from Denver Intl to Costa Mesa are usually found in September or October, booked 22 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Denver to Costa Mesa

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Costa Mesa (CM3). 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 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$68
(Cheapflightsfares)

One-way from

$47
(FlightHub)

Popular in

March

Cheapest in

September

Average price

$193
Provider with most accurate pricing for Denver Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Los Angeles flights.
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From Denver Intl to Costa Mesa
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One-way flight from Denver Intl to Costa Mesa
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Highest demand for flights based on searches. 11% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Denver to Costa Mesa

Cheapest flights from Denver to Costa Mesa
Explore the most affordable flight options available from Denver to Costa Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2025.

This Frontier deal was found by Cheapflights users on 1/26. 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.
Fri 2/216:54 amDEN - LAX
Nonstop2h 38mFrontier
Tue 2/256:30 amLAX - DEN
Nonstop2h 31mFrontier
Deal found 1/26$68
This Kissandfly.com deal was found by Cheapflights users on 1/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:54 amDEN - LAX
Nonstop2h 38mMultiple Airlines
Mon 3/36:00 amLAX - DEN
1 stop6h 54mMultiple Airlines
Deal found 1/27$155
This Southwest deal was found by Cheapflights users on 1/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:50 amDEN - LAX
Nonstop2h 45mSouthwest
Mon 3/35:00 amLAX - DEN
Nonstop2h 25mSouthwest
Deal found 1/28$177
This Delta deal was found by Cheapflights users on 1/28. 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.
Sat 3/17:00 amDEN - LAX
Nonstop2h 44mDelta
Mon 3/32:35 pmLAX - DEN
Nonstop2h 23mDelta
Deal found 1/28$188

Find flights from Denver to Costa Mesa within your budget

Customize your flight search to find flights from Denver to Costa Mesa 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 28, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Fri 2/21

6:54 am-8:32 am

Nonstop2h 38m

Los Angeles

Tue 2/25

6:30 am-10:01 am

Nonstop2h 31m

$68

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Sat 3/1

6:54 am-8:32 am

Nonstop2h 38m

Los Angeles

Mon 3/3

7:15 pm-3:56 am

1 stop7h 41m

$145

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Sat 3/1

6:50 am-8:35 am

Nonstop2h 45m

Los Angeles

Mon 3/3

5:00 am-8:25 am

Nonstop2h 25m

$177

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Sat 3/1

7:00 am-8:44 am

Nonstop2h 44m

Los Angeles

Mon 3/3

2:35 pm-5:58 pm

Nonstop2h 23m

$188

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Wed 7/23

6:15 pm-7:52 pm

Nonstop2h 37m

Los Angeles

Tue 7/29

3:16 pm-9:46 pm

1 stop5h 30m

$227

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Tue 2/25

2:50 pm-8:00 pm

1 stop6h 10m

Los Angeles

Tue 3/4

9:25 am-11:29 pm

2 stops13h 04m

$231

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Mon 4/28

10:53 pm-12:31 am

Nonstop2h 38m

$43

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Wed 2/26

6:50 am-8:31 am

Nonstop2h 41m

$79

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Sat 3/8

4:40 pm-8:25 pm

1 stop4h 45m

$109

DenverLos Angeles

DEN - LAX

DENLAX

Denver Intl

Fri 5/30

6:00 am-7:33 am

Nonstop2h 33m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 15 results
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Best time to book a flight from Denver to Costa Mesa

Have a flexible travel schedule? Discover the best time to fly to Costa Mesa 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.

Travel insights for flights from Denver to Costa Mesa

Get recent, data-driven insights about flights from Denver to Costa Mesa including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Costa Mesa. Price data was last updated on January 24, 2025.

The price you pay for your flight from Denver to Costa Mesa may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Denver to Costa Mesa (average of $246). Flying from Denver to Costa Mesa in March is currently the most expensive (average of $344). 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 CM3?

Find hourly flight availability from Denver to Costa Mesa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 28, 2025.

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

What is the cheapest day to fly from Denver to Costa Mesa?

Use this chart to determine the cheapest time to fly round-trip from Denver to Costa Mesa. Price data was last updated on January 26, 2025.

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

Weekly flight availability from Denver to Costa Mesa

Explore weekly flight availability from Denver to Costa Mesa. 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 January 28, 2025.

The most flights from DEN to CM3 are scheduled on a Monday (88 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (52 on average).

Rainfall in Costa Mesa by month

Plan your trip to Costa Mesa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Mesa ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Costa Mesa when rainfall is around 0.0 in.

Temperature in Costa Mesa by month

Plan your trip to Costa Mesa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Mesa, 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 57.2 F).

Reviews of airlines servicing Costa Mesa

Get insights into the airlines that provide service to Costa Mesa. 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 Costa Mesa. Reviews last updated January 28, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Denver to Costa Mesa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,592 reviews

Food

7.1

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,592 reviews
Southwest
8.1
Very good
4,592 reviews

Food

7.1

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,689 reviews
Southwest
8.1
Very good
4,592 reviews

Food

7.1

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,458 reviews
Southwest
8.1
Very good
4,592 reviews

Food

7.1

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,164 reviews
Southwest
8.1
Very good
4,592 reviews

Food

7.1

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,927 reviews
Southwest
8.1
Very good
4,592 reviews

Food

7.1

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Denver to Costa Mesa. 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 Costa Mesa?

    For a flight from Denver to Costa Mesa, 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 72 outbound flights to Costa Mesa per day. 5 airlines have flights to Costa Mesa from Denver Intl on a regular basis.

  • How popular is this Denver to Costa Mesa flight route?

    The Denver Intl to Costa Mesa flight path was viewed by 423 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $47. Users have also found prices from $79 and $109 on Delta and Southwest, respectively.

  • What are the most reliable airlines from Denver to Costa Mesa?

    No one likes to see their flight delayed. When booking a flight from Denver to Costa Mesa consider choosing KLM (100%), Virgin Atlantic (100%) or Air France (98%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Denver to Costa Mesa?

    Looking at all options, your cheapest flight can be booked for $51. While the most popular route (Denver Intl - Los Angeles) can be booked for $37 on average our data indicates $1,040 when flying from Denver to Costa Mesa.

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

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

  • How can I find direct flights from Denver to Costa Mesa?

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

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

    Yes. Cheapflights offers flight deals from Denver to Costa Mesa 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 Costa Mesa?

    Currently, January is the cheapest month in which you can book a flight from Denver to Costa Mesa (average of $246). Flying from Denver to Costa Mesa in March is currently the most expensive (average of $344). 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.

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Top 5 airlines flying from Denver to Costa Mesa

Discover the top 5 airlines that operate flights from Denver to Costa Mesa. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$148FlexibilityNo cancel feeOn-time62%
DeltaCheapest$107Average$240FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$136Average$317FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$139Average$235FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$157Average$294FlexibilityNo cancel feeOn-time63%
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