$67+ Cheap flights from Denver (DEN) to Costa Mesa, CA
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LAX
Oct 13 — Oct 201
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 January, booked 69 days in advance, depart on a Thursday or Friday and return on a Wednesday
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 September 13, 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 September 13, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/1410:55 pm -
Nonstop2h 34m
Wed 10/212:01 pm -
Nonstop2h 33m
Deal found 9/11![Frontier logo]()
$67
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:10 am -
Nonstop2h 37m
Tue 11/36:15 am -
Nonstop2h 30m
Deal found 9/12![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/2710:55 pm -
Nonstop2h 28m
Wed 10/2811:42 am -
Nonstop2h 29m
Deal found 9/12![Frontier logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/3110:55 pm -
Nonstop2h 28m
Sun 11/16:15 am -
Nonstop2h 30m
Deal found 9/10![Frontier logo]()
$85
This deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:07 am -
1 stop4h 59m
Sat 10/106:05 am -
Nonstop2h 25m
Deal found 9/10![Frontier logo]()
$86
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/141:10 pm -
Nonstop2h 30m
Tue 10/202:01 pm -
Nonstop2h 33m
Deal found 9/11![Frontier logo]()
$87
This Frontier deal was found by Cheapflights users on 9/10. 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 11/1110:55 pm -
Nonstop2h 28m
Sat 11/1411:42 am -
Nonstop2h 29m
Deal found 9/10![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/1910:55 pm -
Nonstop2h 34m
Mon 10/266:05 am -
Nonstop2h 25m
Deal found 9/8![Frontier logo]()
$89
This deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
1 stop5h 50m
Sun 10/1111:40 am -
Nonstop2h 34m
Deal found 9/10![Frontier logo]()
$90
This deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:07 am -
1 stop4h 59m
Sun 10/116:05 am -
Nonstop2h 25m
Deal found 9/10![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 9/10. 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 10/301:10 pm -
Nonstop2h 36m
Thu 11/52:31 pm -
Nonstop2h 32m
Deal found 9/10![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:55 pm -
Nonstop2h 28m
Mon 11/166:15 am -
Nonstop2h 30m
Deal found 9/10![Frontier logo]()
$94
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 September 13, 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 September 13, 2026.
This Southwest deal was found by Cheapflights users on 9/9. 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 10/16:25 pm -
Nonstop2h 30m
Thu 10/88:05 am -
Nonstop2h 20m
Deal found 9/9![Southwest logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:30 pm -
1 stop9h 28m
Sat 10/247:00 am -
1 stop6h 32m
Deal found 9/10![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 9/10. 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 12/316:30 pm -
Nonstop2h 34m
Mon 1/47:35 pm -
Nonstop2h 25m
Deal found 9/10![Delta logo]()
$249
This Southwest deal was found by Cheapflights users on 9/10. 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 10/1510:30 am -
1 stop4h 35m
Sat 10/175:25 am -
2 stops5h 55m
Deal found 9/10![Southwest logo]()
$209
This Southwest deal was found by Cheapflights users on 9/8. 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 10/165:05 pm -
1 stop4h 30m
Mon 10/196:35 am -
Nonstop2h 15m
Deal found 9/8![Southwest logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:53 am -
2 stops11h 31m
Sat 10/318:04 am -
1 stop7h 55m
Deal found 9/9![Alaska Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 11/136:25 am -
Nonstop2h 33m
Sun 11/153:30 pm -
Nonstop2h 22m
Deal found 9/9![Delta logo]()
$276
This Southwest deal was found by Cheapflights users on 9/8. 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 11/55:30 am -
1 stop5h 35m
Sun 11/85:00 am -
2 stops5h 10m
Deal found 9/8![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 9/11. 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 11/67:15 pm -
2 stops5h 55m
Fri 11/135:00 am -
2 stops5h 10m
Deal found 9/11![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 9/13. 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 10/214:00 pm -
1 stop4h 00m
Sat 10/245:25 am -
2 stops5h 55m
Deal found 9/13![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 9/12. 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 10/274:00 pm -
1 stop4h 00m
Wed 10/288:20 am -
2 stops5h 55m
Deal found 9/12![Southwest logo]()
$332
Last-minute flights from Denver to Costa MesaDiscover last-minute flight deals from Denver to Costa Mesa. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Costa Mesa. Data last updated September 13, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:07 am -
1 stop4h 59m
Sat 10/106:05 am -
Nonstop2h 25m
Deal found 9/10![Frontier logo]()
$86
This deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:07 am -
1 stop4h 59m
Sun 10/116:05 am -
Nonstop2h 25m
Deal found 9/10![Frontier logo]()
$91
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 9/2910:44 pm -
Nonstop2h 26m
Fri 10/26:05 am -
Nonstop2h 27m
Deal found 9/10![Frontier logo]()
$94
This deal was found by Cheapflights users on 9/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:00 am -
1 stop5h 50m
Sun 10/1111:40 am -
Nonstop2h 34m
Deal found 9/10![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 9/8. 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 10/1310:55 pm -
Nonstop2h 34m
Tue 10/206:05 am -
Nonstop2h 25m
Deal found 9/8![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/1410:55 pm -
Nonstop2h 34m
Wed 10/212:01 pm -
Nonstop2h 33m
Deal found 9/11![Frontier logo]()
$67
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/141:10 pm -
Nonstop2h 30m
Tue 10/202:01 pm -
Nonstop2h 33m
Deal found 9/11![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/1910:55 pm -
Nonstop2h 34m
Mon 10/266:05 am -
Nonstop2h 25m
Deal found 9/8![Frontier logo]()
$89
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:10 am -
Nonstop2h 37m
Tue 11/36:15 am -
Nonstop2h 30m
Deal found 9/12![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/2710:55 pm -
Nonstop2h 28m
Wed 10/2811:42 am -
Nonstop2h 29m
Deal found 9/12![Frontier logo]()
$84
This Super.com deal was found by Cheapflights users on 9/10. 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 10/301:10 pm -
Nonstop2h 36m
Thu 11/52:31 pm -
Nonstop2h 32m
Deal found 9/10![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/3110:55 pm -
Nonstop2h 28m
Sun 11/16:15 am -
Nonstop2h 30m
Deal found 9/10![Frontier logo]()
$85
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 September 13, 2026.
Search for one-way flight options from Denver to Costa Mesa. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 10/107:10 pm -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$79
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:07 am -
1 stop4h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 9/11. 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.
Tue 10/1310:29 pm -
1 stop23h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$82
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 11/189:21 am -
1 stop12h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$83
This Southwest deal was found by Cheapflights users on 9/10. 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 10/295:05 pm -
1 stop4h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 11/191:44 pm -
1 stop8h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:17 pm -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 9/11. 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.
Wed 10/712:42 pm -
Nonstop2h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$88
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:00 am -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Alaska Airlines logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/194:10 pm -
2 stops16h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$90
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/1210:45 pm -
1 stop10h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$91
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 September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $67 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $195 |
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 7,457,451 searches. Data last updated September 13, 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
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Wed 10/7
8:00 am-9:32 am
Nonstop2h 32m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Sat 12/12
7:19 pm-8:55 pm
Nonstop2h 36m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Sat 10/31
10:50 am-12:20 pm
Nonstop2h 30m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Thu 10/15
6:00 am-7:32 am
Nonstop2h 32m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Sat 10/10
7:10 pm-8:40 pm
Nonstop2h 30m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Thu 11/12
6:00 am-7:36 am
Nonstop2h 36m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
Quickest round-trip
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Thu 11/5
6:45 pm-8:13 pm
Nonstop2h 28m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Thu 10/1
9:18 pm-10:50 pm
Nonstop2h 32m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$79
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Sat 11/7
8:50 am-1:15 pm
1 stop5h 25m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
DenverLos Angeles
DEN Denver Intl - LAX Los Angeles Los Angeles
DENLAX
Denver Intl
Tue 10/13
7:10 pm-8:40 pm
Nonstop2h 30m
Los Angeles Los Angeles
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
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 September 13, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% 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 September 13, 2026.
The most flights from DEN to CM3 are scheduled on a Friday (103 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (60 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 $145 and $294 in October.The cheapest round-trip price found within the last 5 days was $67 on Frontier (Oct 14-Oct 21).
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 September 5, 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 September 13, 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.
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Overall
8.0
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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
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Denver and Costa Mesa flights
Browse other Denver and Costa Mesa flight options. Last updated on September 13, 2026.
Other flights from Denver
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Denver to Costa Mesa flights
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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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$192 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$244 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$306 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$141 | Average$354 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$144 | Average$226 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$320 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$168 | Average$306 | FlexibilityNo cancel fee | On-time71% |