$94+ Cheap flights from Portland (PDX) 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAX
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Portland 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 Portland to Costa Mesa are usually found in January or October, booked 87 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from Portland to Costa Mesa
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to Costa MesaExplore the most affordable flight options available from Portland to Costa Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Portland to Costa Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:06 am -
Nonstop2h 27m
Sun 10/187:38 am -
Nonstop2h 33m
Deal found 9/4![Frontier logo]()
$185
This Priceline deal was found by Cheapflights users on 9/3. 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.
Fri 10/1611:06 am -
Nonstop2h 27m
Fri 10/237:38 am -
Nonstop2h 33m
Deal found 9/3![Frontier logo]()
$186
This Priceline deal was found by Cheapflights users on 9/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:06 am -
Nonstop2h 27m
Mon 10/197:38 am -
Nonstop2h 33m
Deal found 9/2![Frontier logo]()
$188
This Frontier deal was found by Cheapflights users on 9/4. 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.
Sat 9/2612:24 pm -
1 stop7h 50m
Sun 10/47:38 am -
Nonstop2h 29m
Deal found 9/4![Frontier logo]()
$190
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:06 am -
Nonstop2h 30m
Sun 11/87:39 am -
Nonstop2h 32m
Deal found 9/2![Frontier logo]()
$191
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:02 am -
Nonstop2h 31m
Thu 10/89:57 pm -
1 stop13h 43m
Deal found 9/3![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:02 am -
Nonstop2h 31m
Sat 10/3111:42 am -
1 stop24h 30m
Deal found 9/3![Frontier logo]()
$193
This WAYA deal was found by Cheapflights users on 9/2. 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.
Mon 10/511:02 am -
Nonstop2h 31m
Tue 10/68:44 am -
1 stop4h 48m
Deal found 9/2![Multiple Airlines logo]()
$194
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:06 am -
Nonstop2h 27m
Mon 10/267:38 am -
Nonstop2h 33m
Deal found 9/2![Frontier logo]()
$195
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:02 am -
Nonstop2h 31m
Fri 9/258:44 am -
2 stops26h 52m
Deal found 9/2![Frontier logo]()
$196
Best flights from Portland to Costa MesaDiscover carefully curated flight deals from Portland to Costa Mesa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Portland to Costa Mesa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:32 pm -
1 stop10h 36m
Thu 11/199:02 am -
1 stop4h 28m
Deal found 9/3![Alaska Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 9/2. 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.
Thu 9/245:00 am -
2 stops7h 50m
Mon 9/286:00 pm -
1 stop3h 40m
Deal found 9/2![Southwest logo]()
$319
This Delta deal was found by Cheapflights users on 9/5. 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.
Mon 12/282:42 pm -
Nonstop2h 17m
Tue 1/59:45 am -
Nonstop2h 33m
Deal found 9/5![Delta logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:48 am -
Nonstop2h 36m
Sat 10/176:07 pm -
Nonstop2h 26m
Deal found 9/4![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 10/277:18 am -
1 stop4h 35m
Wed 10/282:08 pm -
Nonstop2h 26m
Deal found 9/5![Alaska Airlines logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 9/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:48 am -
1 stop7h 36m
Mon 10/122:27 pm -
1 stop8h 47m
Deal found 9/1![Alaska Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 9/2. 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 10/1612:50 pm -
2 stops7h 45m
Mon 10/199:20 am -
1 stop6h 20m
Deal found 9/2![Southwest logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/269:30 pm -
Nonstop2h 29m
Sun 2/2811:02 am -
Nonstop2h 24m
Deal found 9/2![Alaska Airlines logo]()
$267
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:04 pm -
Nonstop2h 25m
Fri 11/138:48 pm -
Nonstop2h 30m
Deal found 9/3![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/149:30 pm -
Nonstop2h 29m
Sun 2/2111:02 am -
Nonstop2h 24m
Deal found 9/3![Alaska Airlines logo]()
$322
Last-minute flights from Portland to Costa MesaDiscover last-minute flight deals from Portland to Costa Mesa. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Costa Mesa. Data last updated September 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:02 am -
Nonstop2h 31m
Fri 9/258:44 am -
2 stops26h 52m
Deal found 9/2![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 9/4. 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.
Sat 9/2612:24 pm -
1 stop7h 50m
Sun 10/47:38 am -
Nonstop2h 29m
Deal found 9/4![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Thu 10/111:02 am -
Nonstop2h 31m
Mon 10/57:38 am -
Nonstop2h 29m
Deal found 9/2![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:02 am -
Nonstop2h 31m
Sat 10/3111:42 am -
1 stop24h 30m
Deal found 9/3![Frontier logo]()
$193
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:02 am -
Nonstop2h 31m
Thu 10/89:57 pm -
1 stop13h 43m
Deal found 9/3![Frontier logo]()
$192
This WAYA deal was found by Cheapflights users on 9/2. 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.
Mon 10/511:02 am -
Nonstop2h 31m
Tue 10/68:44 am -
1 stop4h 48m
Deal found 9/2![Multiple Airlines logo]()
$194
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:06 am -
Nonstop2h 27m
Sun 10/187:38 am -
Nonstop2h 33m
Deal found 9/4![Frontier logo]()
$185
This Priceline deal was found by Cheapflights users on 9/3. 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.
Fri 10/1611:06 am -
Nonstop2h 27m
Fri 10/237:38 am -
Nonstop2h 33m
Deal found 9/3![Frontier logo]()
$186
This Priceline deal was found by Cheapflights users on 9/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:06 am -
Nonstop2h 27m
Mon 10/197:38 am -
Nonstop2h 33m
Deal found 9/2![Frontier logo]()
$188
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:06 am -
Nonstop2h 27m
Mon 10/267:38 am -
Nonstop2h 33m
Deal found 9/2![Frontier logo]()
$195
One-way flights from Portland to Costa MesaSearch for one-way flight options from Portland to Costa Mesa. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Portland to Costa Mesa. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This CheapOair deal was found by Cheapflights users on 9/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:02 am -
Nonstop2h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$94
This WAYA deal was found by Cheapflights users on 9/1. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:53 pm -
1 stop6h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$96
This Super.com deal was found by Cheapflights users on 9/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:39 pm -
1 stop6h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 9/2. 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.
Mon 10/1912:25 pm -
1 stop5h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$98
This deal was found by Cheapflights users on 9/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:06 am -
Nonstop2h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$99
This WAYA deal was found by Cheapflights users on 9/3. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:53 pm -
1 stop6h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$101
This Super.com deal was found by Cheapflights users on 9/2. 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 9/1111:02 am -
Nonstop2h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 9/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:25 pm -
1 stop19h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 9/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:24 pm -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$105
Find flight deals from Portland to Costa Mesa
Keep the following information in mind while searching for Portland to Costa Mesa flight deals. Data was last updated September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $185 (Booking.com) |
One-way from | $94 (CheapOair) |
Popular in | June |
Cheapest in | January |
Average price | $231 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland 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 7, 2026.
Use the filters below to find and compare flights from Portland to Costa Mesa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Thu 11/12
11:54 am-9:37 pm
1 stop9h 43m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Wed 12/2
10:15 am-8:00 pm
2 stops9h 45m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Fri 1/22
5:06 pm-10:16 am
1 stop17h 10m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$134
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Fri 11/13
9:32 pm-3:32 pm
1 stop18h 00m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$134
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Sun 12/6
7:01 am-1:56 pm
1 stop6h 55m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Fri 2/12
7:49 pm-12:25 am
1 stop4h 36m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Sun 11/22
1:25 pm-6:00 pm
1 stop4h 35m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Tue 3/2
7:00 am-9:37 am
Nonstop2h 37m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
Quickest round-trip
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Tue 10/6
10:54 am-1:15 pm
Nonstop2h 21m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
PortlandLos Angeles
PDX Portland - LAX Los Angeles
PDXLAX
Portland
Fri 2/26
10:00 am-12:26 pm
Nonstop2h 26m
Los Angeles
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$164
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Portland to Costa Mesa
Have a flexible travel schedule? Discover the best time to fly to Costa Mesa from Portland with our price prediction graph.
PDX-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 Portland to Costa Mesa
PDX-CM3
PDX-LAX
What is the cheapest time of day to fly from PDX to CM3?
Find hourly flight availability from Portland 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 7, 2026.
One of the essential ways to save on airfare from Portland to Costa Mesa is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 14% on airfare.
How much does it cost to fly round-trip from Portland to Costa Mesa?
Airfare is typical for this route at the moment.
Portland to Costa Mesa flights typically cost between $179 and $306 in October.The cheapest round-trip price found within the last 5 days was $185 on Frontier (Oct 15-Oct 18).
What is the cheapest day to fly from Portland to Costa Mesa?
Use this chart to determine the cheapest time to fly round-trip from Portland to Costa Mesa. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Portland to Costa Mesa flight should consider departing on Monday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 7, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Portland to Costa Mesa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentAnonymous,Nov 2025
PDX - BNA
Related info for your journey
Find useful and relevant information for your journey from Portland 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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Portland and Costa Mesa flights
Browse other Portland and Costa Mesa flight options. Last updated on September 7, 2026.
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Portland to Costa Mesa flights
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Top 8 airlines flying from Portland to Costa Mesa
Discover the top 8 airlines that operate flights from Portland 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$205 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$66 | Average$279 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$83 | Average$286 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$283 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$142 | Average$350 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$158 | Average$286 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$163 | Average$310 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$184 | Average$346 | FlexibilityNo cancel fee | On-time71% |