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$45+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Irvine are usually found in January or September, booked 30 days in advance, depart on a Thursday or Friday and return on a Thursday

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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$72
(Kiwi.com)

One-way from

$45
(Cheapflightsfares)

Popular in

April

Cheapest in

January

Average price

$217
Provider with most accurate pricing for Seattle/Tacoma Intl-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Los Angeles flights.
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From Seattle/Tacoma Intl to Irvine
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One-way flight from Seattle/Tacoma Intl to Irvine
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Highest demand for flights based on searches. 8% potential increase in price ($19 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 March 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 March 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Wed 3/268:04 pmSEA - LAX
Nonstop2h 48mMultiple Airlines
Mon 3/314:01 pmLAX - SEA
Nonstop3h 00mMultiple Airlines
Deal found 3/2$72
This Cheapflightsfares deal was found by Cheapflights users on 3/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/157:57 pmSEA - LAX
Nonstop2h 48mSpirit Airlines
Tue 3/184:04 pmLAX - SEA
Nonstop2h 58mSpirit Airlines
Deal found 3/3$75
This Frontier deal was found by Cheapflights users on 3/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/93:06 pmSEA - LAX
Nonstop2h 48mFrontier
Tue 4/154:01 pmLAX - SEA
Nonstop3h 00mFrontier
Deal found 3/3$79
This Delta deal was found by Cheapflights users on 3/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/232:00 pmSEA - LAX
Nonstop2h 45mDelta
Fri 4/255:51 pmLAX - SEA
Nonstop2h 54mDelta
Deal found 3/2$167
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 4/15:45 pmSEA - LAX
1 stop4h 32mAlaska Airlines
Tue 4/89:00 amLAX - SEA
1 stop7h 02mAlaska Airlines
Deal found 3/2$176
This Southwest deal was found by Cheapflights users on 3/2. 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 4/254:30 pmSEA - LAX
1 stop5h 50mSouthwest
Tue 4/294:50 pmLAX - SEA
1 stop4h 10mSouthwest
Deal found 3/2$182

Find flights from Seattle to Irvine within your budget

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 March 3, 2025.

Fly from

Seattle

Fly to

Irvine

Route

Depart

Return

Price

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 3/26

8:04 pm-10:52 pm

Nonstop2h 48m

Los Angeles

Mon 3/31

4:01 pm-7:01 pm

Nonstop3h 00m

$72

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 3/15

7:57 pm-10:45 pm

Nonstop2h 48m

Los Angeles

Tue 3/18

4:04 pm-7:02 pm

Nonstop2h 58m

$75

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/9

3:06 pm-5:54 pm

Nonstop2h 48m

Los Angeles

Tue 4/15

4:01 pm-7:01 pm

Nonstop3h 00m

$79

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/23

9:25 am-12:05 pm

Nonstop2h 40m

Los Angeles

Sun 4/27

7:00 am-9:58 am

Nonstop2h 58m

$167

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/23

11:30 am-6:12 pm

1 stop6h 42m

Los Angeles

Sat 4/26

6:00 am-11:32 am

1 stop5h 32m

$172

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 4/25

4:30 pm-10:20 pm

1 stop5h 50m

Los Angeles

Tue 4/29

4:50 pm-9:00 pm

1 stop4h 10m

$182

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 3/28

6:53 pm-9:35 pm

Nonstop2h 42m

$45

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 3/26

9:48 am-3:50 pm

1 stop6h 02m

$46

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 3/25

7:59 pm-10:49 pm

Nonstop2h 50m

$77

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 4/30

8:00 am-12:56 pm

1 stop4h 56m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 15 results
1
2

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.

Travel insights for flights from Seattle to Irvine

Get recent, data-driven insights about flights from Seattle to Irvine including ideal travel times, pricing trends, and more.

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 February 28, 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 $344). 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 March 3, 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 March 2, 2025.

Travelers seeking maximum savings on their Seattle to Irvine flight should consider departing on Tuesday at noon 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.

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 March 3, 2025.

The most flights from SEA to IR9 are scheduled on a Monday (112 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (58 on average).

Rainfall in Irvine by month

Plan your trip to Irvine by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Irvine ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Irvine when rainfall is around 0.0 in.

Temperature in Irvine by month

Plan your trip to Irvine by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Irvine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 March 3, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Seattle to Irvine by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,333 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,710 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,068 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Hawaiian Airlines
7.9
Good
2,319 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,679 reviews
Southwest
8.1
Very good
4,333 reviews

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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. 9 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 79 outbound flights to Irvine per day.

  • How popular is this Seattle to Irvine flight route?

    Within the past month, 263 users have taken a look at flights from Seattle/Tacoma Intl to Irvine.

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

    The cheapest airlines for a one-way flight from Seattle to Irvine are Frontier ($45), Spirit Airlines ($46), and Hawaiian Airlines ($77).

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

    Consider SAUDIA (96%), Air China (96%) or Aer Lingus (95%) 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 $40. On average you can expect to pay $701. The most popular route, (Seattle/Tacoma Intl - Los Angeles), can usually be booked for $70.

  • 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 $344). 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.

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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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$135FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$40Average$145FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$78Average$271FlexibilityNo cancel feeOn-time85%
DeltaCheapest$117Average$270FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$134Average$274FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$155Average$331FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$156Average$364FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$364FlexibilityNo cancel feeOn-time71%
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