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$64+ Cheap flights from Oregon 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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Cheap flight deals from Oregon to Irvine

Cheapest flights from Oregon to Irvine
Explore the most affordable flight options available from Oregon 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
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.
Sat 2/217:00 am
EUG
-
LAX
Nonstop2h 22m
Hawaiian Airlines
Mon 2/238:00 pm
LAX
-
EUG
Nonstop2h 26m
Hawaiian Airlines
Deal found 1/27$146

Find flight deals from Oregon to Irvine

Keep the following information in mind while searching for Oregon 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 Oregon to Irvine
Search Deals
One-way flight from Oregon 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 Oregon 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 Oregon to Irvine that are best for you.

Fly from

Oregon

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

EugeneLos Angeles

EUG - LAX

EUGLAX

Eugene

Tue 2/24

6:07 am-1:55 pm

1 stop7h 48m

Los Angeles

Tue 3/3

9:56 am-4:30 pm

1 stop6h 34m

$147

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

BoiseLos Angeles

BOI - LAX

BOILAX

Boise Air Term. Gowen Fld

Wed 3/4

7:11 am-8:34 am

Nonstop2h 23m

Los Angeles

Sat 3/7

6:45 pm-9:59 pm

Nonstop2h 14m

$157

EugeneLos Angeles

EUG - LAX

EUGLAX

Eugene

Thu 3/5

7:00 am-9:22 am

Nonstop2h 22m

Los Angeles

Mon 3/9

8:52 am-11:19 am

Nonstop2h 27m

$157

BoiseLos Angeles

BOI - LAX

BOILAX

Boise Air Term. Gowen Fld

Sat 4/18

4:55 pm-6:14 pm

Nonstop2h 19m

Los Angeles

Sat 4/25

7:57 pm-11:00 pm

Nonstop2h 03m

$157

BoiseLos Angeles

BOI - LAX

BOILAX

Boise Air Term. Gowen Fld

Tue 2/24

7:00 am-8:28 am

Nonstop2h 28m

Los Angeles

Tue 3/3

7:45 pm-10:45 pm

Nonstop2h 00m

$157

EugeneLos Angeles

EUG - LAX

EUGLAX

Eugene

Thu 3/5

5:15 am-10:36 am

1 stop5h 21m

Los Angeles

Mon 3/9

5:09 pm-11:49 pm

1 stop6h 40m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
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Best time to book a flight from Oregon to Irvine

Have a flexible travel schedule? Discover the best time to fly to Irvine from Oregon 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 Oregon to Irvine

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

Currently, October is the cheapest month in which you can book a flight from Oregon to Irvine (average of $50). Flying from Oregon 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 OR to IR9?

Find hourly flight availability from Oregon 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.

One of the essential ways to save on airfare from Oregon to Irvine is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 22% on airfare.

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

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

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

Weekly flight availability from Oregon to Irvine

Explore weekly flight availability from Oregon 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 USOR 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).

Related info for your journey

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

  • How popular is this Oregon to Irvine flight route?

    This flight path from Oregon to Irvine was viewed by 202 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Oregon to Irvine?

    Departing from Oregon to Irvine will take you 2h 22m. Oregon and Irvine are separated by a distance of 748 mi. Most flights are nonstop.

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

    The cheapest airlines for a one-way flight from Oregon to Irvine are Frontier ($38), Spirit Airlines ($45), and Delta ($64).

  • What are the most popular routes from Oregon to Irvine?

    Most travelers choose Portland - Los Angeles, Boise Air Term. Gowen Fld - Los Angeles or Eugene - Los Angeles when deciding on the best route from Oregon to Irvine.

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

    The top 3 most reliable airlines when flying from Oregon to Irvine are China Southern (100%), EL AL (97%) and China Eastern (93%).

  • What are the cheapest flights from Oregon to Irvine?

    While on average a flight from Oregon to Irvine is generally $496, our data shows the cheapest flight currently is $72. When looking at the most popular route, (Portland - Los Angeles), you can expect to pay $78 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon 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 Oregon to Irvine?

    Currently, October is the cheapest month in which you can book a flight from Oregon to Irvine (average of $50). Flying from Oregon 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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Top 10 airlines flying from Oregon to Irvine

Discover the top 10 airlines that operate flights from Oregon 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%
Allegiant AirCheapest$50Average$148FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$57Average$166FlexibilityNo cancel feeOn-time65%
Avelo AirlinesCheapest$69Average$144FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$82Average$260FlexibilityNo cancel feeOn-time85%
DeltaCheapest$83Average$283FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$117Average$300FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$142Average$349FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$148Average$398FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$150Average$304FlexibilityNo cancel feeOn-time63%

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