$71+ Cheap flights from Irvine, CA to Seattle (SEA)
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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
May 29 — Jun 51
Round-trip
1 adult, Economy
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Find cheap flights from Irvine to Seattle 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 Irvine to Seattle/Tacoma Intl are usually found in May or March, booked 61 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Irvine to Seattle
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Best
Last-minute
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Cheapest flights from Irvine to SeattleExplore the most affordable flight options available from Irvine to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
Explore the most affordable flight options available from Irvine to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2026.
This Trip.com deal was found by Cheapflights users on 4/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Tue 6/211:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/24![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 4/24. 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 6/53:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sun 6/711:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/24![Frontier logo]()
$107
This CheapOair deal was found by Cheapflights users on 4/25. 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.
Fri 6/53:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 6/811:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/25![Frontier logo]()
$108
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sun 5/247:50 pm
SEA
- LAX
1 stop28h 26m
Frontier
Deal found 4/26![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 4/25. 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.
Sat 5/162:24 pm
LAX
- SEA
Nonstop3h 13m
Frontier
Tue 5/1911:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/25![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 4/27. 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.
Sun 5/243:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Fri 5/2911:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/27![Frontier logo]()
$112
This Frontier deal was found by Cheapflights users on 4/28. 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.
Wed 6/33:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Wed 6/1711:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 4/28![Frontier logo]()
$113
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Wed 6/1011:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 4/26![Frontier logo]()
$114
This Super.com deal was found by Cheapflights users on 4/25. 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.
Sun 5/243:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sun 5/3111:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/25![Frontier logo]()
$116
This CheapOair deal was found by Cheapflights users on 4/24. 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 5/162:24 pm
LAX
- SEA
Nonstop3h 13m
Frontier
Sun 5/3111:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/24![Frontier logo]()
$117
This Expedia deal was found by Cheapflights users on 4/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sat 6/67:50 pm
SEA
- LAX
1 stop12h 45m
Frontier
Deal found 4/26![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 4/26. 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.
Tue 5/193:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Wed 5/207:50 pm
SEA
- LAX
1 stop12h 45m
Frontier
Deal found 4/26![Frontier logo]()
$119
Best flights from Irvine to SeattleDiscover carefully curated flight deals from Irvine to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
Discover carefully curated flight deals from Irvine to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/163:40 pm
LAX
- SEA
1 stop5h 26m
United Airlines
Sat 5/235:06 pm
SEA
- LAX
Nonstop2h 49m
United Airlines
Deal found 4/25![United Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 4/28. 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 5/305:40 pm
LAX
- SEA
Nonstop2h 50m
Delta
Mon 6/15:35 pm
SEA
- LAX
Nonstop2h 41m
Delta
Deal found 4/28![Delta logo]()
$207
This Southwest deal was found by Cheapflights users on 4/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:35 pm
LAX
- SEA
2 stops7h 20m
Southwest
Sat 6/66:15 pm
SEA
- LAX
1 stop4h 05m
Southwest
Deal found 4/26![Southwest logo]()
$258
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:14 pm
LAX
- SEA
1 stop4h 39m
United Airlines
Sat 6/63:30 pm
SEA
- LAX
1 stop4h 59m
United Airlines
Deal found 4/27![United Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:15 pm
LAX
- SEA
1 stop4h 57m
United Airlines
Wed 5/2710:29 am
SEA
- LAX
1 stop5h 06m
United Airlines
Deal found 4/25![United Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 4/28. 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.
Fri 5/299:05 pm
LAX
- SEA
Nonstop2h 50m
Delta
Mon 6/82:55 pm
SEA
- LAX
Nonstop2h 45m
Delta
Deal found 4/28![Delta logo]()
$217
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:06 pm
LAX
- SEA
Nonstop2h 53m
United Airlines
Sat 6/63:30 pm
SEA
- LAX
1 stop4h 59m
United Airlines
Deal found 4/28![United Airlines logo]()
$217
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:45 am
LAX
- SEA
2 stops7h 50m
Southwest
Fri 7/101:30 pm
SEA
- LAX
1 stop6h 10m
Southwest
Deal found 4/28![Southwest logo]()
$281
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:15 pm
LAX
- SEA
Nonstop2h 53m
United Airlines
Sun 5/316:06 am
SEA
- LAX
Nonstop2h 44m
United Airlines
Deal found 4/28![United Airlines logo]()
$217
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:06 pm
LAX
- SEA
Nonstop2h 53m
United Airlines
Sun 7/266:00 am
SEA
- LAX
Nonstop2h 44m
United Airlines
Deal found 4/28![United Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:43 am
LAX
- SEA
Nonstop2h 53m
United Airlines
Fri 6/196:30 am
SEA
- LAX
Nonstop2h 44m
United Airlines
Deal found 4/28![United Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:45 pm
LAX
- SEA
1 stop6h 28m
United Airlines
Fri 7/246:30 am
SEA
- LAX
Nonstop2h 44m
United Airlines
Deal found 4/26![United Airlines logo]()
$257
Last-minute flights from Irvine to SeattleDiscover last-minute flight deals from Irvine to Seattle. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Seattle. Data last updated April 29, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 4/24. 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 5/153:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Tue 5/1911:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/24![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 4/26. 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.
Fri 5/153:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Wed 5/2011:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/26![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 4/25. 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.
Sat 5/162:24 pm
LAX
- SEA
Nonstop3h 13m
Frontier
Tue 5/1911:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/25![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 4/24. 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 5/162:24 pm
LAX
- SEA
Nonstop3h 13m
Frontier
Sun 5/3111:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/24![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 4/25. 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 5/183:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 5/2511:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/25![Frontier logo]()
$107
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sun 5/247:50 pm
SEA
- LAX
1 stop28h 26m
Frontier
Deal found 4/26![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 4/26. 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.
Tue 5/193:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Thu 5/2111:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/26![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 4/26. 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.
Tue 5/193:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Wed 5/207:50 pm
SEA
- LAX
1 stop12h 45m
Frontier
Deal found 4/26![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 4/27. 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.
Sun 5/243:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Fri 5/2911:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/27![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 4/25. 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.
Sun 5/243:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sun 5/3111:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/25![Frontier logo]()
$116
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Thu 6/411:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/29![Frontier logo]()
$108
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 6/111:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/29![Frontier logo]()
$118
One-way flights from Irvine to SeattleSearch for one-way flight options from Irvine to Seattle. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
Search for one-way flight options from Irvine to Seattle. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/63:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Deal found 4/29![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Mon 6/88:27 pm
LAX
- SEA
1 stop14h 08m
Frontier
Deal found 4/27![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/123:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Deal found 4/27![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Mon 6/153:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Deal found 4/28![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Tue 5/266:30 am
LAX
- SEA
1 stop27h 36m
Frontier
Deal found 4/24![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/103:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Deal found 4/28![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 4/27. 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.
Sat 7/43:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Deal found 4/27![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 4/25. 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 5/243:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Deal found 4/25![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Mon 6/16:30 am
LAX
- SEA
1 stop7h 31m
Frontier
Deal found 4/27![Frontier logo]()
$88
Find flight deals from Irvine to Seattle
Keep the following information in mind while searching for Irvine to Seattle flight deals. Data was last updated April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $101 (Trip.com) |
One-way from | $71 (Kiwi.com) |
Popular in | June |
Cheapest in | May |
Average price | $251 |
Cheapflights Fare Finder
Customize your flight search to find flights from Irvine to Seattle 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 April 29, 2026.
Use the filters below to find and compare flights from Irvine to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 5/16
3:40 pm-9:06 pm
1 stop5h 26m
Seattle/Tacoma Intl
Sat 5/23
5:06 pm-7:55 pm
Nonstop2h 49m
$187
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Tue 6/2
4:14 pm-8:53 pm
1 stop4h 39m
Seattle/Tacoma Intl
Sat 6/6
3:30 pm-8:29 pm
1 stop4h 59m
$197
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Wed 5/20
8:15 pm-1:12 am
1 stop4h 57m
Seattle/Tacoma Intl
Wed 5/27
10:29 am-3:35 pm
1 stop5h 06m
$197
Quickest round-trip
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 5/30
5:40 pm-8:30 pm
Nonstop2h 50m
Seattle/Tacoma Intl
Mon 6/1
5:35 pm-8:16 pm
Nonstop2h 41m
$207
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Fri 5/29
9:05 pm-11:55 pm
Nonstop2h 50m
Seattle/Tacoma Intl
Mon 6/8
2:55 pm-5:40 pm
Nonstop2h 45m
$217
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Fri 6/5
7:06 pm-9:59 pm
Nonstop2h 53m
Seattle/Tacoma Intl
Sat 6/6
3:30 pm-8:29 pm
1 stop4h 59m
$217
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Thu 5/28
7:15 pm-10:08 pm
Nonstop2h 53m
Seattle/Tacoma Intl
Sun 5/31
6:06 am-8:50 am
Nonstop2h 44m
$217
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Fri 7/24
7:06 pm-9:59 pm
Nonstop2h 53m
Seattle/Tacoma Intl
Sun 7/26
6:00 am-8:44 am
Nonstop2h 44m
$247
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Thu 6/4
11:43 am-2:36 pm
Nonstop2h 53m
Seattle/Tacoma Intl
Fri 6/19
6:30 am-9:14 am
Nonstop2h 44m
$247
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Tue 7/14
6:45 pm-1:13 am
1 stop6h 28m
Seattle/Tacoma Intl
Fri 7/24
6:30 am-9:14 am
Nonstop2h 44m
$257
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Irvine to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Irvine with our price prediction graph.
LAX-SEA
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 Irvine to Seattle
IR9-SEA
LAX-SEA
What is the cheapest time of day to fly from IR9 to SEA?
Find hourly flight availability from Irvine to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2026.
One of the essential ways to save on airfare from Irvine to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 11% on airfare.
What is the cheapest day to fly from Irvine to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Seattle. Price data was last updated on April 25, 2026.
Travelers seeking maximum savings on their Irvine to Seattle flight should consider departing on Thursday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Irvine to Seattle
Explore weekly flight availability from Irvine to Seattle. 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 April 29, 2026.
The most flights from IR9 to SEA are scheduled on a Wednesday (97 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 on average).
How much does it cost to fly round-trip from Irvine to Seattle?
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated April 29, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Irvine to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Overall
7.9
Boarding
8.1
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Irvine to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Irvine to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Irvine to Seattle by cabin class
Find flights from Irvine to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Irvine and Seattle flights
Browse other Irvine and Seattle flight options. Last updated on April 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 29, 2026.
Irvine to Seattle flights
Consider these flights traveling from Irvine to Seattle.
Top 9 airlines flying from Irvine to Seattle
Discover the top 9 airlines that operate flights from Irvine to Seattle. 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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$81 | Average$185 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$88 | Average$277 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$99 | Average$247 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$296 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$146 | Average$280 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$156 | Average$299 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$317 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$417 | FlexibilityNo cancel fee | On-time71% |