$53+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
Mar 7 — Mar 141
1 adult, Economy
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Find cheap flights from Denver to Costa Mesa 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 Denver Intl to Costa Mesa are usually found in February or September, booked 75 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Denver to Costa Mesa
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Best
Last-minute
One-way
Cheapest flights from Denver to Costa MesaExplore 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 February 5, 2026.
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 February 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/37:31 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Wed 3/46:20 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/3![Frontier logo]()
$71
This Priceline deal was found by Cheapflights users on 2/3. 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.
Thu 3/510:43 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Wed 3/118:57 pm
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 2/3![Frontier logo]()
$72
This eDestinos deal was found by Cheapflights users on 2/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:43 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Sun 3/86:15 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/2![Frontier logo]()
$75
This Super.com deal was found by Cheapflights users on 2/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:49 am
DEN
- LAX
Nonstop2h 40m
Frontier
Tue 5/57:15 am
LAX
- DEN
Nonstop2h 32m
Frontier
Deal found 2/2![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 2/3. 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.
Tue 2/249:31 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Sat 2/282:31 pm
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/3![Frontier logo]()
$77
This Super.com deal was found by Cheapflights users on 2/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:00 am
DEN
- LAX
Nonstop2h 49m
Frontier
Mon 3/98:57 pm
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 2/2![Frontier logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Sat 2/2110:43 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Mon 3/26:01 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/3![Frontier logo]()
$80
This WAYA deal was found by Cheapflights users on 2/2. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:54 am
DEN
- LAX
1 stop7h 51m
Frontier
Sat 3/78:57 pm
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 2/2![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/710:29 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Mon 3/99:23 pm
LAX
- DEN
1 stop5h 33m
Frontier
Deal found 2/3![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 2/3. 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.
Mon 3/1610:29 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Tue 3/176:15 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/3![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 3/410:49 pm
DEN
- LAX
1 stop9h 32m
Frontier
Sat 3/76:15 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/2![Frontier logo]()
$85
Best flights from Denver to Costa MesaDiscover carefully curated flight deals from Denver to Costa Mesa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Denver to Costa Mesa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Wed 3/46:30 am
DEN
- LAX
1 stop10h 15m
Frontier
Wed 3/1110:54 am
LAX
- DEN
1 stop11h 00m
Frontier
Deal found 2/4![Frontier logo]()
$112
This Delta deal was found by Cheapflights users on 2/4. 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 3/76:12 pm
DEN
- LAX
Nonstop2h 50m
Delta
Mon 3/97:55 pm
LAX
- DEN
Nonstop2h 28m
Delta
Deal found 2/4![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 2/4. 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 3/47:49 am
DEN
- LAX
Nonstop2h 44m
United Airlines
Wed 3/114:13 pm
LAX
- DEN
Nonstop2h 27m
United Airlines
Deal found 2/4![United Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 3/1510:30 pm
DEN
- LAX
1 stop21h 54m
Multiple Airlines
Thu 3/194:07 pm
LAX
- DEN
1 stop10h 49m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 2/1. 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.
Thu 3/59:50 am
DEN
- LAX
Nonstop2h 45m
Southwest
Sun 3/88:20 am
LAX
- DEN
Nonstop2h 20m
Southwest
Deal found 2/1![Southwest logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 3/59:46 am
DEN
- LAX
Nonstop2h 44m
United Airlines
Sun 3/87:00 am
LAX
- DEN
Nonstop2h 27m
United Airlines
Deal found 2/2![United Airlines logo]()
$197
This Southwest deal was found by Cheapflights users on 2/2. 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.
Fri 3/68:50 pm
DEN
- LAX
Nonstop2h 40m
Southwest
Sun 3/87:45 pm
LAX
- DEN
Nonstop2h 15m
Southwest
Deal found 2/2![Southwest logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 3/67:55 am
DEN
- LAX
Nonstop2h 44m
United Airlines
Mon 3/95:00 am
LAX
- DEN
Nonstop2h 21m
United Airlines
Deal found 2/3![United Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 2/3. 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 2/216:12 pm
DEN
- LAX
Nonstop2h 50m
Delta
Sat 2/287:15 pm
LAX
- DEN
Nonstop2h 22m
Delta
Deal found 2/3![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 2/2. 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.
Tue 4/146:45 am
DEN
- LAX
2 stops6h 25m
Southwest
Tue 4/216:10 pm
LAX
- DEN
1 stop4h 55m
Southwest
Deal found 2/2![Southwest logo]()
$222
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/89:17 pm
DEN
- LAX
Nonstop2h 38m
United Airlines
Sun 4/127:00 am
LAX
- DEN
Nonstop2h 32m
United Airlines
Deal found 2/3![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 2/1. 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 4/188:45 am
DEN
- LAX
2 stops6h 15m
Southwest
Sat 4/255:20 am
LAX
- DEN
2 stops6h 00m
Southwest
Deal found 2/1![Southwest logo]()
$226
Last-minute flights from Denver to Costa MesaDiscover last-minute flight deals from Denver to Costa Mesa. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Costa Mesa. Data last updated February 5, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Sat 2/2110:43 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Mon 3/26:01 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/3![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 2/3. 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.
Tue 2/249:31 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Sat 2/282:31 pm
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/3![Frontier logo]()
$77
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Sat 2/289:27 am
DEN
- LAX
1 stop9h 11m
Frontier
Sat 3/78:57 pm
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 2/3![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/37:31 pm
DEN
- LAX
Nonstop2h 44m
Frontier
Wed 3/46:20 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/3![Frontier logo]()
$71
This WAYA deal was found by Cheapflights users on 2/2. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:54 am
DEN
- LAX
1 stop7h 51m
Frontier
Sat 3/78:57 pm
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 2/2![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 3/410:49 pm
DEN
- LAX
1 stop9h 32m
Frontier
Sat 3/76:15 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/2![Frontier logo]()
$85
This Priceline deal was found by Cheapflights users on 2/3. 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.
Thu 3/510:43 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Wed 3/118:57 pm
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 2/3![Frontier logo]()
$72
This eDestinos deal was found by Cheapflights users on 2/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:43 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Sun 3/86:15 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/2![Frontier logo]()
$75
This Super.com deal was found by Cheapflights users on 2/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/69:00 am
DEN
- LAX
Nonstop2h 49m
Frontier
Mon 3/96:15 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/2![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 3/710:29 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Mon 3/99:23 pm
LAX
- DEN
1 stop5h 33m
Frontier
Deal found 2/3![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 2/4. 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.
Mon 3/1610:29 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Tue 3/176:15 am
LAX
- DEN
Nonstop2h 29m
Frontier
Deal found 2/4![Frontier logo]()
$84
One-way flights from Denver to Costa MesaSearch for one-way flight options from Denver to Costa Mesa. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Denver to Costa Mesa. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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 4/610:30 pm
DEN
- LAX
Nonstop2h 42m
Frontier
Deal found 2/4![Frontier logo]()
$53
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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 2/179:31 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Deal found 2/4![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 3/910:29 pm
DEN
- LAX
1 stop12h 30m
Frontier
Deal found 2/4![Frontier logo]()
$55
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/310:49 pm
DEN
- LAX
1 stop10h 26m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$56
This WAYA deal was found by Cheapflights users on 2/4. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:54 am
DEN
- LAX
1 stop7h 51m
Frontier
Deal found 2/4![Frontier logo]()
$57
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 2/96:05 am
DEN
- LAX
Nonstop2h 46m
Frontier
Deal found 2/3![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Wed 3/46:30 am
DEN
- LAX
1 stop10h 15m
Frontier
Deal found 2/4![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Wed 2/2510:49 pm
DEN
- LAX
1 stop17h 23m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 3/307:05 pm
DEN
- LAX
1 stop18h 34m
Frontier
Deal found 2/4![Frontier logo]()
$62
This Southwest deal was found by Cheapflights users on 2/1. 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 3/288:55 pm
DEN
- LAX
Nonstop2h 40m
Southwest
Deal found 2/1![Southwest logo]()
$63
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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.
Sat 3/2110:29 pm
DEN
- LAX
Nonstop2h 47m
Frontier
Deal found 2/4![Frontier logo]()
$64
Find flight deals from Denver to Costa Mesa
Keep the following information in mind while searching for Denver to Costa Mesa flight deals. Data was last updated February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $71 (Kiwi.com) |
One-way from | $53 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $147 |
Cheapflights Fare Finder
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 February 5, 2026.
Use the filters below to find and compare flights from Denver to Costa Mesa that are best for you.
Fly from
Denver
Fly to
Costa Mesa
Route
Depart
Return
Price
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Wed 3/4
6:30 am-3:45 pm
1 stop10h 15m
Los Angeles
Wed 3/11
10:54 am-10:54 pm
1 stop11h 00m
$112
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Sat 3/7
6:12 pm-8:02 pm
Nonstop2h 50m
Los Angeles
Mon 3/9
7:55 pm-11:23 pm
Nonstop2h 28m
$177
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Wed 3/4
7:49 am-9:33 am
Nonstop2h 44m
Los Angeles
Wed 3/11
4:13 pm-7:40 pm
Nonstop2h 27m
$177
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Sun 3/15
10:30 pm-7:24 pm
1 stop21h 54m
Los Angeles
Thu 3/19
4:07 pm-3:56 am
1 stop10h 49m
$184
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Thu 3/5
9:50 am-11:35 am
Nonstop2h 45m
Los Angeles
Sun 3/8
8:20 am-11:40 am
Nonstop2h 20m
$197
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Thu 3/5
9:46 am-11:30 am
Nonstop2h 44m
Los Angeles
Sun 3/8
7:00 am-10:27 am
Nonstop2h 27m
$197
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Fri 3/6
8:50 pm-10:30 pm
Nonstop2h 40m
Los Angeles
Sun 3/8
7:45 pm-11:00 pm
Nonstop2h 15m
$197
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Fri 3/6
7:55 am-9:39 am
Nonstop2h 44m
Los Angeles
Mon 3/9
5:00 am-8:21 am
Nonstop2h 21m
$197
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Wed 4/8
9:17 pm-10:55 pm
Nonstop2h 38m
Los Angeles
Sun 4/12
7:00 am-10:32 am
Nonstop2h 32m
$217
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Tue 4/14
6:45 am-12:10 pm
2 stops6h 25m
Los Angeles
Tue 4/21
6:10 pm-12:05 am
1 stop4h 55m
$222
Showing 1-10 of 24 results
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.
DEN-LAX
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 Costa Mesa
DEN-CM3
DEN-LAX
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 30, 2026.
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 75 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, February is the cheapest month in which you can book a flight from Denver to Costa Mesa (average of $43). Flying from Denver to Costa Mesa in June is currently the most expensive (average of $97). 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 February 5, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 39% on flights from Denver to Costa Mesa by exploring options for tickets in the morning.
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 31, 2026.
Travelers seeking maximum savings on their Denver to Costa Mesa flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon 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 February 5, 2026.
The most flights from DEN to CM3 are scheduled on a Monday (85 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (64 on average).
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 February 5, 2026.
Read through reviews of airlines operating flights from Denver to Costa Mesa, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from 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.
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Alternative routes for Denver to Costa Mesa
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Complete your trip
Complete your trip to Costa Mesa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Costa Mesa by cabin class
Find flights from Denver to Costa Mesa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Denver and Costa Mesa flights
Browse other Denver and Costa Mesa flight options. Last updated on February 5, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on February 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Denver to Costa Mesa flights
Consider these flights traveling from Denver to Costa Mesa.
Top 6 airlines flying from Denver to Costa Mesa
Discover the top 6 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$152 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$78 | Average$215 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$118 | Average$291 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$127 | Average$279 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$150 | Average$229 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$185 | Average$354 | FlexibilityNo cancel fee | On-time75% |