$92+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Jul 18 — Jul 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 March or February, booked 61 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Irvine to Seattle
Cheapest
Best
Last-minute
One-way
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 June 18, 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 June 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 9/213:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Mon 9/2811:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/15![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sun 9/63:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Fri 9/1811:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/15![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sun 9/63:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Wed 9/92:15 pm
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 6/15![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 6/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Sun 9/1311:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/14![Frontier logo]()
$162
This Orbitz deal was found by Cheapflights users on 6/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Fri 9/1111:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/13![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 6/15. 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.
Mon 8/243:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Wed 8/267:41 pm
SEA
- LAX
1 stop12h 52m
Frontier
Deal found 6/15![Frontier logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sun 9/63:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Sat 9/192:15 pm
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 6/15![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sun 9/63:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Thu 9/1711:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/15![Frontier logo]()
$166
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Mon 8/2411:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/15![Frontier logo]()
$167
This Expedia deal was found by Cheapflights users on 6/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Fri 9/1811:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/15![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 6/15. 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.
Tue 9/16:30 am
LAX
- SEA
1 stop7h 34m
Frontier
Sat 9/122:15 pm
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 6/15![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Fri 8/283:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Tue 9/111:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/15![Frontier logo]()
$170
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 June 18, 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 June 18, 2026.
This United Airlines deal was found by Cheapflights users on 6/17. 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 7/184:45 pm
LAX
- SEA
Nonstop2h 53m
United Airlines
Mon 7/206:00 am
SEA
- LAX
Nonstop2h 44m
United Airlines
Deal found 6/17![United Airlines logo]()
$248
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/41:28 pm
LAX
- SEA
1 stop6h 19m
Alaska Airlines
Tue 8/118:42 pm
SEA
- LAX
1 stop10h 50m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/123:10 pm
LAX
- SEA
2 stops7h 45m
Southwest
Sat 9/192:20 pm
SEA
- LAX
1 stop4h 15m
Southwest
Deal found 6/14![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Mon 7/135:05 pm
LAX
- SEA
1 stop6h 05m
United Airlines
Mon 7/206:00 am
SEA
- LAX
Nonstop2h 44m
United Airlines
Deal found 6/16![United Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:03 am
LAX
- SEA
1 stop6h 28m
Alaska Airlines
Tue 7/289:18 pm
SEA
- LAX
Nonstop2h 47m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 6/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:10 pm
LAX
- SEA
1 stop5h 30m
Southwest
Mon 8/2412:55 pm
SEA
- LAX
2 stops7h 55m
Southwest
Deal found 6/15![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:25 pm
LAX
- SEA
2 stops6h 50m
Southwest
Fri 8/211:55 pm
SEA
- LAX
1 stop7h 05m
Southwest
Deal found 6/14![Southwest logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 7/87:00 am
LAX
- SEA
Nonstop2h 49m
Alaska Airlines
Wed 7/812:55 pm
SEA
- LAX
1 stop7h 31m
Alaska Airlines
Deal found 6/17![Alaska Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 6/17. 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.
Thu 8/69:00 am
LAX
- SEA
1 stop6h 50m
Southwest
Mon 8/109:45 am
SEA
- LAX
1 stop6h 45m
Southwest
Deal found 6/17![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 6/16. 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 7/317:35 pm
LAX
- SEA
1 stop6h 10m
Southwest
Fri 8/73:25 pm
SEA
- LAX
2 stops6h 25m
Southwest
Deal found 6/16![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 6/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/264:15 pm
LAX
- SEA
2 stops8h 40m
Southwest
Sun 8/26:15 am
SEA
- LAX
1 stop6h 00m
Southwest
Deal found 6/15![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 6/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:40 pm
LAX
- SEA
1 stop5h 55m
Southwest
Sat 7/47:10 am
SEA
- LAX
1 stop4h 10m
Southwest
Deal found 6/15![Southwest logo]()
$360
Last-minute flights from Irvine to SeattleDiscover last-minute flight deals from Irvine to Seattle. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Seattle. Data last updated June 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 6/246:00 am
LAX
- SEA
Nonstop2h 47m
Multiple Airlines
Wed 7/810:34 am
SEA
- LAX
Nonstop3h 00m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$236
This Jetabroad deal was found by Cheapflights users on 6/16. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Sat 7/1110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 6/16![Frontier logo]()
$260
This Booking.com deal was found by Cheapflights users on 6/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:55 pm
LAX
- SEA
1 stop14h 40m
Frontier
Wed 7/810:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 6/17![Frontier logo]()
$265
This Mytrip deal was found by Cheapflights users on 6/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/258:05 pm
LAX
- SEA
1 stop14h 30m
Frontier
Wed 7/810:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 6/17![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 6/17. 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 6/273:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Wed 7/810:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 6/17![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 6/273:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Sat 7/411:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/17![Frontier logo]()
$259
This Frontier deal was found by Cheapflights users on 6/16. 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 6/273:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Tue 7/710:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 6/16![Frontier logo]()
$266
This Frontier deal was found by Cheapflights users on 6/17. 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 6/283:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Thu 7/910:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 6/17![Frontier logo]()
$232
This Super.com deal was found by Cheapflights users on 6/17. 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 6/283:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Wed 7/810:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 6/17![Frontier logo]()
$233
This Frontier deal was found by Cheapflights users on 6/17. 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 6/283:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Sat 7/411:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/17![Frontier logo]()
$267
This CheapOair deal was found by Cheapflights users on 6/14. 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.
Sun 6/2812:14 pm
LAX
- SEA
1 stop22h 21m
Frontier
Tue 7/710:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 6/14![Frontier logo]()
$269
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 June 18, 2026.
Search for one-way flight options from Irvine to Seattle. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This Frontier deal was found by Cheapflights users on 6/16. 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 10/263:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Deal found 6/16![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/153:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/15![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 6/16. 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.
Tue 7/143:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/16![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 10/2010:27 pm
LAX
- SEA
1 stop11h 33m
Frontier
Deal found 6/16![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 8/1912:14 pm
LAX
- SEA
1 stop22h 21m
Frontier
Deal found 6/16![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/263:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/15![Frontier logo]()
$98
This Jettzy deal was found by Cheapflights users on 6/13. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/13![Frontier logo]()
$99
This Booking.com deal was found by Cheapflights users on 6/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/43:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/14![Frontier logo]()
$100
This Jetabroad deal was found by Cheapflights users on 6/15. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/193:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/15![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 9/27:15 am
LAX
- SEA
1 stop27h 24m
Frontier
Deal found 6/18![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 6/18. 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.
Tue 9/16:30 am
LAX
- SEA
1 stop6h 52m
Frontier
Deal found 6/18![Frontier logo]()
$104
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 June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Kiwi.com) |
One-way from | $92 (Frontier) |
Popular in | June |
Cheapest in | March |
Average price | $310 |
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 June 18, 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
Quickest round-trip
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 7/18
4:45 pm-7:38 pm
Nonstop2h 53m
Seattle/Tacoma Intl
Mon 7/20
6:00 am-8:44 am
Nonstop2h 44m
$248
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Tue 8/4
1:28 pm-7:47 pm
1 stop6h 19m
Seattle/Tacoma Intl
Tue 8/11
8:42 pm-7:32 am
1 stop10h 50m
$255
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Mon 7/13
5:05 pm-11:10 pm
1 stop6h 05m
Seattle/Tacoma Intl
Mon 7/20
6:00 am-8:44 am
Nonstop2h 44m
$257
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 9/12
3:10 pm-10:55 pm
2 stops7h 45m
Seattle/Tacoma Intl
Sat 9/19
2:20 pm-6:35 pm
1 stop4h 15m
$278
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Wed 7/22
10:03 am-4:31 pm
1 stop6h 28m
Seattle/Tacoma Intl
Tue 7/28
9:18 pm-12:05 am
Nonstop2h 47m
$281
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Thu 8/20
7:10 pm-12:40 am
1 stop5h 30m
Seattle/Tacoma Intl
Mon 8/24
12:55 pm-8:50 pm
2 stops7h 55m
$292
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Tue 8/18
1:25 pm-8:15 pm
2 stops6h 50m
Seattle/Tacoma Intl
Fri 8/21
1:55 pm-9:00 pm
1 stop7h 05m
$297
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Thu 8/6
9:00 am-3:50 pm
1 stop6h 50m
Seattle/Tacoma Intl
Mon 8/10
9:45 am-4:30 pm
1 stop6h 45m
$327
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Fri 7/31
7:35 pm-1:45 am
1 stop6h 10m
Seattle/Tacoma Intl
Fri 8/7
3:25 pm-9:50 pm
2 stops6h 25m
$332
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Wed 7/8
7:00 am-9:49 am
Nonstop2h 49m
Seattle/Tacoma Intl
Wed 7/8
12:55 pm-8:26 pm
1 stop7h 31m
$341
Showing 1-10 of 24 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 June 18, 2026.
One of the essential ways to save on airfare from Irvine to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 14% on airfare.
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 June 18, 2026.
The most flights from IR9 to SEA are scheduled on a Monday (118 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (53 on average).
How much does it cost to fly round-trip from Irvine to Seattle?
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 June 13, 2026.
Travelers seeking maximum savings on their Irvine to Seattle flight should consider departing on Friday afternoons 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.
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 June 18, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited 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.
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Overall
7.9
Entertainment
7.0
Comfort
7.8
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - 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
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seattle flight routes
Top destinations
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 June 18, 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 June 18, 2026.
Irvine to Seattle flights
Consider these flights traveling from Irvine to Seattle.
Top 8 airlines flying from Irvine to Seattle
Discover the top 8 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 June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$192 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$287 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$99 | Average$258 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$286 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$149 | Average$280 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$309 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$311 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$191 | Average$469 | FlexibilityNo cancel fee | On-time71% |