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$84+ Cheap flights from Seattle (SEA) 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Irvine are usually found in January or March, booked 30 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Seattle to Irvine

Keep the following information in mind while searching for Seattle to Irvine flight deals. Data was last updated September 15, 2025.

Round-trip from

$127
(Kiwi.com)

One-way from

$84
(Frontier)

Popular in

December

Cheapest in

January

Average price

$222
From Seattle/Tacoma Intl to Irvine
Search Deals
One-way flight from Seattle/Tacoma Intl to Irvine
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Highest demand for flights based on searches. 2% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Irvine

Cheapest flights from Seattle to Irvine
Explore the most affordable flight options available from Seattle to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/15. 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 9/279:39 pmSEA - LAX
Nonstop2h 50mFrontier
Sat 10/49:08 pmLAX - SEA
Nonstop2h 51mFrontier
Deal found 9/15$126
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/291:47 pmSEA - LAX
1 stop6h 05mFrontier
Sat 10/114:52 pmLAX - SEA
Nonstop2h 56mFrontier
Deal found 9/15$127
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Sat 10/49:39 pmSEA - LAX
Nonstop2h 50mFrontier
Tue 10/76:45 amLAX - SEA
1 stop29h 22mFrontier
Deal found 9/14$128
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:10 amSEA - LAX
Nonstop2h 50mFrontier
Sat 10/49:08 pmLAX - SEA
Nonstop2h 51mFrontier
Deal found 9/13$129
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:39 pmSEA - LAX
Nonstop2h 50mFrontier
Mon 10/64:45 pmLAX - SEA
Nonstop2h 51mFrontier
Deal found 9/13$130
This Frontier deal was found by Cheapflights users on 9/14. 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 10/47:00 amSEA - LAX
1 stop10h 30mFrontier
Sat 10/49:08 pmLAX - SEA
Nonstop2h 51mFrontier
Deal found 9/14$131
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/26:12 amSEA - LAX
1 stop11h 06mFrontier
Wed 10/84:52 pmLAX - SEA
Nonstop2h 56mFrontier
Deal found 9/14$132
This Frontier deal was found by Cheapflights users on 9/14. 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.
Sun 11/29:03 amSEA - LAX
Nonstop2h 49mFrontier
Fri 11/147:48 pmLAX - SEA
1 stop12h 30mFrontier
Deal found 9/14$133
This Frontier deal was found by Cheapflights users on 9/14. 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 10/210:10 amSEA - LAX
Nonstop2h 50mFrontier
Fri 10/104:52 pmLAX - SEA
Nonstop2h 56mFrontier
Deal found 9/14$134
This Frontier deal was found by Cheapflights users on 9/14. 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 10/49:39 pmSEA - LAX
Nonstop2h 50mFrontier
Thu 10/97:00 pmLAX - SEA
1 stop13h 48mFrontier
Deal found 9/14$135
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:10 amSEA - LAX
Nonstop2h 50mFrontier
Fri 10/104:52 pmLAX - SEA
Nonstop2h 56mFrontier
Deal found 9/13$138

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 September 15, 2025.
Use the filters below to find and compare flights from Seattle to Irvine that are best for you.

Fly from

Seattle

Fly to

Irvine

Route

Depart

Return

Price

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 10/7

7:00 am-12:44 pm

1 stop5h 44m

Los Angeles

Tue 10/7

3:52 pm-6:42 pm

Nonstop2h 50m

$161

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 10/29

9:04 am-12:03 pm

Nonstop2h 59m

Los Angeles

Wed 11/5

2:33 pm-9:13 pm

1 stop6h 40m

$194

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 10/4

8:00 am-10:58 am

Nonstop2h 58m

Los Angeles

Tue 10/7

3:52 pm-6:42 pm

Nonstop2h 50m

$197

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 11/15

7:57 pm-10:46 pm

Nonstop2h 49m

Los Angeles

Wed 11/19

8:00 am-11:06 am

Nonstop3h 06m

$197

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 10/8

2:40 pm-5:32 pm

Nonstop2h 52m

Los Angeles

Tue 10/14

7:59 pm-11:01 pm

Nonstop3h 02m

$197

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 10/29

11:15 am-4:50 pm

1 stop5h 35m

Los Angeles

Wed 11/5

7:40 am-4:30 pm

2 stops8h 50m

$204

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 11/22

5:15 pm-12:20 am

1 stop7h 05m

Los Angeles

Thu 11/27

12:50 pm-5:00 pm

1 stop4h 10m

$206

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sun 11/2

5:50 am-10:00 am

1 stop4h 10m

Los Angeles

Wed 11/5

7:40 am-4:30 pm

2 stops8h 50m

$213

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sun 10/12

6:15 am-10:20 am

1 stop4h 05m

Los Angeles

Wed 10/15

3:40 pm-10:00 pm

2 stops6h 20m

$213

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 10/7

7:00 am-2:38 pm

1 stop7h 38m

Los Angeles

Wed 10/8

8:37 am-1:38 pm

1 stop5h 01m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 24 results
1
2
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Best time to book a flight from Seattle to Irvine

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Irvine. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Irvine, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Irvine (average of $246). Flying from Seattle to Irvine in March is currently the most expensive (average of $325). 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 SEA to IR9?

Find hourly flight availability from Seattle 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 September 15, 2025.

When flying from Seattle to Irvine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Irvine. Price data was last updated on September 14, 2025.

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

Weekly flight availability from Seattle to Irvine

Explore weekly flight availability from Seattle 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 September 15, 2025.

The most flights from SEA to IR9 are scheduled on a Monday (132 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (92 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 September 15, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Seattle to Irvine by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,954 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,929 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Spirit Airlines
6.3
Okay
8,015 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Frontier
5.8
Fair
3,172 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 Seattle to Irvine?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Irvine. 8 airlines have flights from Seattle/Tacoma Intl to Irvine on a regular basis. Booking flights from Seattle/Tacoma Intl to Irvine should not be difficult; the airport handles an average of 109 outbound flights to Irvine per day.

  • How popular is this Seattle to Irvine flight route?

    Within the past month, 307 users have taken a look at flights from Seattle/Tacoma Intl to Irvine.

  • How long is the flight from Seattle to Irvine?

    For as low as $194, Alaska Airlines can have you in Irvine from Seattle in 2h 59m. There are 954 mi between Seattle and Irvine. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Consider China Eastern (97%), SAUDIA (92%) or EL AL (91%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Irvine.

  • What are the cheapest flights from Seattle to Irvine?

    The cheapest flight price from Seattle to Irvine is $87. On average you can expect to pay $545. The most popular route, (Seattle/Tacoma Intl - Los Angeles), can usually be booked for $84.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Irvine (average of $246). Flying from Seattle to Irvine in March is currently the most expensive (average of $325). 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 8 airlines flying from Seattle to Irvine

Discover the top 8 airlines that operate flights from Seattle 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$156FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$67Average$166FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$262FlexibilityNo cancel feeOn-time85%
DeltaCheapest$117Average$257FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$271FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$146Average$268FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$155Average$270FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$166Average$302FlexibilityNo cancel feeOn-time71%

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