$81+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
Aug 23 — Aug 301
Round-trip
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 69 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Denver to Costa Mesa
Cheapest
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 July 24, 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 July 24, 2026.
This Frontier deal was found by Cheapflights users on 7/23. 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.
Sat 8/1510:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Wed 8/199:40 am
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 7/23![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 7/22. 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 8/1510:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Mon 8/178:49 pm
LAX
- DEN
Nonstop2h 40m
Frontier
Deal found 7/22![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Thu 8/204:25 pm
DEN
- LAX
1 stop7h 14m
Frontier
Wed 8/266:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 7/22![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/197:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Tue 8/2510:15 am
LAX
- DEN
1 stop6h 45m
Frontier
Deal found 7/22![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Thu 8/136:10 am
DEN
- LAX
1 stop9h 55m
Frontier
Sun 9/66:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 7/22![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/197:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Sat 8/226:55 am
LAX
- DEN
1 stop13h 46m
Frontier
Deal found 7/23![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 7/20. 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.
Sat 10/176:30 am
DEN
- LAX
Nonstop2h 42m
Frontier
Sat 10/2411:03 am
LAX
- DEN
Nonstop2h 34m
Frontier
Deal found 7/20![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 10/1410:29 pm
DEN
- LAX
Nonstop2h 34m
Frontier
Wed 10/216:15 am
LAX
- DEN
Nonstop2h 25m
Frontier
Deal found 7/21![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/510:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Sun 9/610:14 am
LAX
- DEN
1 stop9h 35m
Frontier
Deal found 7/20![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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.
Wed 9/210:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Mon 9/76:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 7/21![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 7/24. 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.
Wed 8/1210:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Sat 8/159:05 pm
LAX
- DEN
Nonstop2h 37m
Frontier
Deal found 7/24![Frontier logo]()
$104
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 July 24, 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 July 24, 2026.
This Southwest deal was found by Cheapflights users on 7/22. 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.
Wed 9/29:00 am
DEN
- LAX
Nonstop2h 25m
Southwest
Wed 9/212:25 pm
LAX
- DEN
Nonstop2h 20m
Southwest
Deal found 7/22![Southwest logo]()
$157
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 9/55:45 pm
DEN
- LAX
Nonstop2h 34m
United Airlines
Fri 9/115:44 pm
LAX
- DEN
Nonstop2h 29m
United Airlines
Deal found 7/21![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 7/23. 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.
Wed 8/195:20 pm
DEN
- LAX
Nonstop2h 30m
Southwest
Sat 8/223:30 pm
LAX
- DEN
Nonstop2h 20m
Southwest
Deal found 7/23![Southwest logo]()
$157
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 8/2210:05 am
DEN
- LAX
Nonstop2h 32m
United Airlines
Sat 8/2910:53 am
LAX
- DEN
Nonstop2h 29m
United Airlines
Deal found 7/20![United Airlines logo]()
$181
This Southwest deal was found by Cheapflights users on 7/23. 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.
Wed 10/74:00 pm
DEN
- LAX
1 stop4h 00m
Southwest
Mon 10/197:10 pm
LAX
- DEN
1 stop4h 35m
Southwest
Deal found 7/23![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 7/21. 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 8/1812:05 pm
DEN
- LAX
2 stops6h 25m
Southwest
Wed 8/196:45 am
LAX
- DEN
Nonstop2h 20m
Southwest
Deal found 7/21![Southwest logo]()
$172
This Southwest deal was found by Cheapflights users on 7/23. 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 9/51:35 pm
DEN
- LAX
2 stops6h 15m
Southwest
Sun 9/610:35 am
LAX
- DEN
Nonstop2h 15m
Southwest
Deal found 7/23![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 7/23. 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 9/812:35 pm
DEN
- LAX
1 stop5h 50m
Southwest
Thu 9/108:15 am
LAX
- DEN
2 stops7h 40m
Southwest
Deal found 7/23![Southwest logo]()
$178
This Southwest deal was found by Cheapflights users on 7/23. 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 9/19:00 am
DEN
- LAX
2 stops6h 00m
Southwest
Wed 9/212:10 pm
LAX
- DEN
1 stop5h 10m
Southwest
Deal found 7/23![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 7/21. 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 8/221:35 pm
DEN
- LAX
2 stops6h 15m
Southwest
Tue 8/255:20 am
LAX
- DEN
1 stop4h 35m
Southwest
Deal found 7/21![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 7/19. 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 9/51:35 pm
DEN
- LAX
2 stops6h 15m
Southwest
Mon 9/76:10 am
LAX
- DEN
1 stop5h 00m
Southwest
Deal found 7/19![Southwest logo]()
$194
Last-minute flights from Denver to Costa MesaDiscover last-minute flight deals from Denver to Costa Mesa. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Costa Mesa. Data last updated July 24, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/21. 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 8/1110:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Sat 8/159:05 pm
LAX
- DEN
Nonstop2h 37m
Frontier
Deal found 7/21![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 7/24. 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.
Wed 8/1210:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Sat 8/159:05 pm
LAX
- DEN
Nonstop2h 37m
Frontier
Deal found 7/24![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Thu 8/136:10 am
DEN
- LAX
1 stop9h 55m
Frontier
Sun 9/66:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 7/22![Frontier logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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.
Thu 8/1310:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Thu 8/206:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 7/21![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 7/23. 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.
Sat 8/1510:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Wed 8/199:40 am
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 7/23![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 7/22. 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 8/1510:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Mon 8/178:49 pm
LAX
- DEN
Nonstop2h 40m
Frontier
Deal found 7/22![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/1510:39 pm
DEN
- LAX
Nonstop2h 32m
Frontier
Thu 8/209:09 pm
LAX
- DEN
Nonstop2h 35m
Frontier
Deal found 7/23![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/197:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Tue 8/2510:15 am
LAX
- DEN
1 stop6h 45m
Frontier
Deal found 7/22![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/197:25 am
DEN
- LAX
Nonstop2h 30m
Frontier
Sat 8/226:55 am
LAX
- DEN
1 stop13h 46m
Frontier
Deal found 7/23![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 7/22. 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.
Thu 8/204:25 pm
DEN
- LAX
1 stop7h 14m
Frontier
Wed 8/266:30 am
LAX
- DEN
Nonstop2h 33m
Frontier
Deal found 7/22![Frontier logo]()
$95
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 July 24, 2026.
Search for one-way flight options from Denver to Costa Mesa. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/2010:00 am
DEN
- LAX
1 stop13h 39m
Frontier
Deal found 7/24![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/18:45 am
DEN
- LAX
2 stops14h 09m
Frontier
Deal found 7/22![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/268:45 am
DEN
- LAX
2 stops14h 09m
Frontier
Deal found 7/22![Frontier logo]()
$83
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 10/226:45 am
DEN
- LAX
Nonstop2h 34m
Delta
Deal found 7/23![Delta logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/268:30 am
DEN
- LAX
1 stop8h 22m
Frontier
Deal found 7/22![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/810:29 pm
DEN
- LAX
1 stop14h 53m
Frontier
Deal found 7/19![Frontier logo]()
$88
This Southwest deal was found by Cheapflights users on 7/24. 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.
Mon 9/76:20 am
DEN
- LAX
1 stop5h 25m
Southwest
Deal found 7/24![Southwest logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 9/2710:54 pm
DEN
- LAX
1 stop14h 28m
Frontier
Deal found 7/19![Frontier logo]()
$90
This Delta deal was found by Cheapflights users on 7/20. 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.
Tue 8/187:41 am
DEN
- LAX
Nonstop2h 29m
Delta
Deal found 7/20![Delta logo]()
$91
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
DEN
- LAX
Nonstop2h 42m
American Airlines
Deal found 7/21![American Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 9/66:45 am
DEN
- LAX
1 stop9h 35m
Frontier
Deal found 7/23![Frontier logo]()
$93
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $93 (Frontier) |
One-way from | $81 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $244 |
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 July 24, 2026.
Use the filters below to find and compare flights from Denver to Costa Mesa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Wed 9/2
9:00 am-10:25 am
Nonstop2h 25m
Los Angeles
Wed 9/2
12:25 pm-3:45 pm
Nonstop2h 20m
$157
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Sat 9/5
5:45 pm-7:19 pm
Nonstop2h 34m
Los Angeles
Fri 9/11
5:44 pm-9:13 pm
Nonstop2h 29m
$157
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Wed 8/19
5:20 pm-6:50 pm
Nonstop2h 30m
Los Angeles
Sat 8/22
3:30 pm-6:50 pm
Nonstop2h 20m
$157
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Wed 10/7
4:00 pm-7:00 pm
1 stop4h 00m
Los Angeles
Mon 10/19
7:10 pm-12:45 am
1 stop4h 35m
$172
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Tue 8/18
12:05 pm-5:30 pm
2 stops6h 25m
Los Angeles
Wed 8/19
6:45 am-10:05 am
Nonstop2h 20m
$172
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Sat 9/5
1:35 pm-6:50 pm
2 stops6h 15m
Los Angeles
Sun 9/6
10:35 am-1:50 pm
Nonstop2h 15m
$177
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Tue 9/8
12:35 pm-5:25 pm
1 stop5h 50m
Los Angeles
Thu 9/10
8:15 am-4:55 pm
2 stops7h 40m
$178
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Sat 8/22
10:05 am-11:37 am
Nonstop2h 32m
Los Angeles
Sat 8/29
10:53 am-2:22 pm
Nonstop2h 29m
$181
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Tue 9/1
9:00 am-2:00 pm
2 stops6h 00m
Los Angeles
Wed 9/2
12:10 pm-6:20 pm
1 stop5h 10m
$182
DenverLos Angeles
DEN - LAX
DENLAX
Denver Intl
Sat 8/22
1:35 pm-6:50 pm
2 stops6h 15m
Los Angeles
Tue 8/25
5:20 am-10:55 am
1 stop4h 35m
$182
Showing 1-10 of 22 resultsSorted by cheapest first
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
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 July 24, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 23% on flights from Denver to Costa Mesa by exploring options for tickets in the morning.
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 July 24, 2026.
The most flights from DEN to CM3 are scheduled on a Thursday (106 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (67 on average).
How much does it cost to fly round-trip from Denver to Costa Mesa?
Airfare is below average for this route at the moment.
Denver to Costa Mesa flights typically cost between $162 and $294 in August.The cheapest round-trip price found within the last 5 days was $93 on Frontier (Aug 15-Aug 19).
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 July 18, 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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 24, 2026.
Read through reviews of airlines operating flights from Denver to Costa Mesa, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
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 July 24, 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 July 24, 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 7 airlines flying from Denver to Costa Mesa
Discover the top 7 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$179 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$92 | Average$242 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$317 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$141 | Average$354 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$157 | Average$318 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$168 | Average$285 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$177 | Average$236 | FlexibilityNo cancel fee | On-time62% |