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$64+ Cheap flights from Portland (PDX) to Irvine, 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LAX
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Irvine are usually found in February or May, booked 90 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Portland to Irvine

Cheapest flights from Portland to Irvine
Explore the most affordable flight options available from Portland to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:18 pm
PDX
-
LAX
1 stop9h 57m
Multiple Airlines
Fri 3/69:20 am
LAX
-
PDX
Nonstop2h 32m
Multiple Airlines
Deal found 1/27$129
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:30 am
PDX
-
LAX
Nonstop2h 33m
Multiple Airlines
Sat 3/78:20 am
LAX
-
PDX
Nonstop2h 36m
Multiple Airlines
Deal found 1/28$131
This Frontier deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:53 am
PDX
-
LAX
Nonstop2h 26m
Frontier
Thu 3/199:20 am
LAX
-
PDX
Nonstop2h 32m
Frontier
Deal found 1/28$132
This Frontier deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:53 am
PDX
-
LAX
Nonstop2h 25m
Frontier
Fri 5/89:20 am
LAX
-
PDX
Nonstop2h 37m
Frontier
Deal found 1/27$133
This Expedia deal was found by Cheapflights users on 1/29. 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.
Tue 3/32:30 pm
PDX
-
LAX
Nonstop2h 29m
Multiple Airlines
Fri 3/69:20 am
LAX
-
PDX
Nonstop2h 32m
Multiple Airlines
Deal found 1/29$134
This Orbitz deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:52 pm
PDX
-
LAX
1 stop5h 58m
Multiple Airlines
Fri 3/69:20 am
LAX
-
PDX
Nonstop2h 32m
Multiple Airlines
Deal found 1/27$135
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:38 pm
PDX
-
LAX
Nonstop2h 26m
Multiple Airlines
Fri 2/279:12 am
LAX
-
PDX
1 stop9h 31m
Multiple Airlines
Deal found 1/28$136
This Frontier deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/129:53 am
PDX
-
LAX
Nonstop2h 26m
Frontier
Sun 3/159:20 am
LAX
-
PDX
Nonstop2h 32m
Frontier
Deal found 1/26$138
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:02 pm
PDX
-
LAX
Nonstop2h 21m
Delta
Wed 3/46:50 am
LAX
-
PDX
Nonstop2h 25m
Delta
Deal found 1/28$139
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:16 pm
PDX
-
LAX
Nonstop2h 26m
Multiple Airlines
Tue 3/107:00 am
LAX
-
PDX
Nonstop2h 35m
Multiple Airlines
Deal found 1/26$140
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:38 pm
PDX
-
LAX
Nonstop2h 26m
Multiple Airlines
Sat 2/287:00 am
LAX
-
PDX
Nonstop2h 35m
Multiple Airlines
Deal found 1/28$141

Find flight deals from Portland to Irvine

Keep the following information in mind while searching for Portland to Irvine flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$129
(Kiwi.com)

One-way from

$64
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$197
Provider with most accurate pricing for Portland-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Los Angeles flights.
Search Deals
From Portland to Irvine
Search Deals
One-way flight from Portland to Irvine
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Irvine that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Portland to Irvine that are best for you.

Fly from

Portland

Fly to

Irvine

Route

Depart

Return

Price

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Sat 5/9

1:00 pm-3:26 pm

Nonstop2h 26m

Los Angeles

Wed 6/3

7:00 am-9:25 am

Nonstop2h 25m

$139

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Sat 5/2

4:35 pm-6:56 pm

Nonstop2h 21m

Los Angeles

Tue 5/5

9:43 am-12:06 pm

Nonstop2h 23m

$139

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Tue 2/24

5:10 pm-7:34 pm

Nonstop2h 24m

Los Angeles

Sat 2/28

6:50 am-9:15 am

Nonstop2h 25m

$148

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Wed 2/25

5:10 pm-7:34 pm

Nonstop2h 24m

Los Angeles

Wed 3/4

6:50 am-9:15 am

Nonstop2h 25m

$148

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Fri 4/3

5:40 pm-8:04 pm

Nonstop2h 24m

Los Angeles

Tue 4/7

7:35 am-10:01 am

Nonstop2h 26m

$158

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Thu 4/16

7:55 pm-10:23 pm

Nonstop2h 28m

Los Angeles

Tue 4/21

7:40 am-10:04 am

Nonstop2h 24m

$158

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Fri 4/10

7:58 pm-10:34 pm

Nonstop2h 36m

Los Angeles

Wed 4/15

1:15 pm-3:38 pm

Nonstop2h 23m

$158

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Fri 4/3

5:40 pm-8:04 pm

Nonstop2h 24m

Los Angeles

Wed 4/8

7:55 pm-10:23 pm

Nonstop2h 28m

$158

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Sat 5/9

3:59 pm-10:58 pm

1 stop6h 59m

Los Angeles

Thu 6/4

6:00 am-10:03 am

1 stop4h 03m

$164

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Tue 3/3

8:30 am-1:29 pm

1 stop4h 59m

Los Angeles

Tue 3/3

2:58 pm-8:43 pm

1 stop5h 45m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 22 results
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Best time to book a flight from Portland to Irvine

Have a flexible travel schedule? Discover the best time to fly to Irvine from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Irvine

How far ahead should I book a flight from Portland to Irvine?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Irvine. Price data was last updated on January 23, 2026.

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Irvine. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland to Irvine?

Currently, October is the cheapest month in which you can book a flight from Portland to Irvine (average of $50). Flying from Portland to Irvine in November is currently the most expensive (average of $107). 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 PDX to IR9?

Find hourly flight availability from Portland to Irvine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

It’s typically best to fly out from Portland to Irvine in the evening. Doing so could potentially save you 16% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Portland to Irvine?

Use this chart to determine the cheapest time to fly round-trip from Portland to Irvine. Price data was last updated on January 24, 2026.

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

Weekly flight availability from Portland to Irvine

Explore weekly flight availability from Portland to Irvine. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from PDX to IR9 are scheduled on a Thursday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

Reviews of airlines servicing Irvine

Get insights into the airlines that provide service to Irvine. 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 Irvine. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Portland to Irvine. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,808 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,127 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,206 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,056 reviews
Alaska Airlines
8.0
Very good
11,808 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Portland to Irvine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Irvine?

    If you book a flight to Irvine from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PDX) is located 6.0 mi from the center of Portland. There are 44 flights from Portland to Irvine per day from 9 different airlines.

  • How popular is this Portland to Irvine flight route?

    Within the past month, 202 users have taken a look at flights from Portland to Irvine.

  • How long is the flight from Portland to Irvine?

    For as low as $139, Delta can have you in Irvine from Portland in 2h 26m. Airlines will cover a distance of 834 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Portland to Irvine one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $38. However, be on the lookout for offers from Spirit Airlines and American Airlines, as they are both options that can get you from Portland to Irvine for a low price.

  • What are the most reliable airlines from Portland to Irvine?

    Before booking your flight to Irvine from Portland, check out the most reliable airlines to get you to your destination on time: China Southern (100%), EL AL (97%), China Eastern( 93%).

  • What are the cheapest flights from Portland to Irvine?

    On average you can expect to pay $496 for a flight from Portland to Irvine. The cheapest flight overall is $72 while the most popular route, (Portland - Los Angeles) is currently priced at $78.

  • Can I find deals for flights from Portland to Irvine that include hotel bookings?

    Yes. In addition to deals on Portland to Irvine flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Irvine?

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

  • Can I find deals for business class flights from Portland to Irvine?

    Yes. Cheapflights offers flight deals from Portland to Irvine by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Irvine?

    Currently, October is the cheapest month in which you can book a flight from Portland to Irvine (average of $50). Flying from Portland to Irvine in November is currently the most expensive (average of $107). 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.

See more FAQs

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Alternative routes for Portland to Irvine

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Portland to Irvine

Discover the top 9 airlines that operate flights from Portland to Irvine. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$149FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$57Average$166FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$82Average$241FlexibilityNo cancel feeOn-time85%
DeltaCheapest$83Average$259FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$261FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$142Average$296FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$148Average$314FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$158Average$300FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$177Average$245FlexibilityNo cancel feeOn-time62%

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