$91+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Jul 9 — Jul 161
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 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
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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 June 9, 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 9, 2026.
This Super.com deal was found by Cheapflights users on 6/4. 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 8/233:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Sat 8/2911:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/4![Frontier logo]()
$152
This Frontier deal was found by Cheapflights users on 6/8. 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 8/263:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Sat 8/2911:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/8![Frontier logo]()
$153
This Frontier deal was found by Cheapflights users on 6/5. 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 9/183:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Tue 9/292:15 pm
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 6/5![Frontier logo]()
$154
This iWofly deal was found by Cheapflights users on 6/6. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Tue 9/811:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/6![Frontier logo]()
$155
This Super.com deal was found by Cheapflights users on 6/6. 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 8/253:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Wed 8/2611:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/6![Frontier logo]()
$156
This Super.com deal was found by Cheapflights users on 6/8. 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 9/23:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Sun 9/611:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/8![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 6/7. 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 10/133:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Sat 10/1711:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/7![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 9/13:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Fri 9/1111:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/6![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 6/7. 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 8/243:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Wed 8/2611:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/7![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 6/8. 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 8/193:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Mon 8/2411:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/8![Frontier logo]()
$162
This Frontier deal was found by Cheapflights users on 6/6. 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 10/23:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Mon 10/511:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/6![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 6/5. 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 9/183:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Fri 9/2511:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 6/5![Frontier logo]()
$164
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 9, 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 9, 2026.
This United Airlines deal was found by Cheapflights users on 6/7. 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 8/196:00 am
LAX
- SEA
1 stop5h 26m
United Airlines
Tue 9/16:30 am
SEA
- LAX
Nonstop3h 04m
United Airlines
Deal found 6/7![United Airlines logo]()
$223
This Delta deal was found by Cheapflights users on 6/8. 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.
Thu 8/277:00 pm
LAX
- SEA
Nonstop2h 45m
Delta
Tue 9/17:55 pm
SEA
- LAX
Nonstop2h 50m
Delta
Deal found 6/8![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 6/8. 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 8/222:50 pm
LAX
- SEA
2 stops8h 05m
Southwest
Wed 8/261:45 pm
SEA
- LAX
2 stops7h 25m
Southwest
Deal found 6/8![Southwest logo]()
$248
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 8/207:03 am
LAX
- SEA
1 stop5h 47m
Alaska Airlines
Sat 8/293:43 pm
SEA
- LAX
1 stop4h 51m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/144:10 pm
LAX
- SEA
Nonstop2h 53m
United Airlines
Wed 7/298:45 am
SEA
- LAX
1 stop5h 10m
United Airlines
Deal found 6/8![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 6/8. 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 8/82:50 pm
LAX
- SEA
2 stops8h 05m
Southwest
Sat 8/155:30 am
SEA
- LAX
1 stop4h 50m
Southwest
Deal found 6/8![Southwest logo]()
$263
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/156:45 pm
LAX
- SEA
1 stop6h 44m
United Airlines
Wed 7/228:35 am
SEA
- LAX
Nonstop2h 48m
United Airlines
Deal found 6/8![United Airlines logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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.
Sun 8/238:26 am
LAX
- SEA
1 stop4h 24m
Alaska Airlines
Mon 8/313:50 pm
SEA
- LAX
1 stop6h 58m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/137:07 pm
LAX
- SEA
Nonstop2h 53m
United Airlines
Tue 7/217:00 am
SEA
- LAX
1 stop6h 55m
United Airlines
Deal found 6/6![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 6/7. 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 8/2311:00 am
LAX
- SEA
1 stop7h 05m
Southwest
Mon 8/313:25 pm
SEA
- LAX
2 stops6h 25m
Southwest
Deal found 6/7![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 6/8. 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 8/16:40 pm
LAX
- SEA
1 stop6h 00m
Southwest
Thu 8/63:25 pm
SEA
- LAX
1 stop6h 05m
Southwest
Deal found 6/8![Southwest logo]()
$292
This United Airlines deal was found by Cheapflights users on 6/4. 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 7/311:43 am
LAX
- SEA
Nonstop2h 53m
United Airlines
Sun 7/126:00 am
SEA
- LAX
Nonstop2h 44m
United Airlines
Deal found 6/4![United Airlines logo]()
$307
Last-minute flights from Irvine to SeattleDiscover last-minute flight deals from Irvine to Seattle. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Irvine to Seattle. Data last updated June 9, 2026 and is based on user searches.
This deal was found by Cheapflights users on 6/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/143:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Thu 6/1811:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/5![Frontier logo]()
$273
This Super.com deal was found by Cheapflights users on 6/4. 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 6/148:05 pm
LAX
- SEA
1 stop14h 30m
Frontier
Sat 6/2711:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/4![Frontier logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 6/159:12 pm
LAX
- SEA
Nonstop2h 47m
Multiple Airlines
Mon 6/2911:03 am
SEA
- LAX
Nonstop2h 58m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$281
This Super.com deal was found by Cheapflights users on 6/7. 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 6/163:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Tue 6/3011:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/7![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 6/7. 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 6/163:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Mon 6/2211:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/7![Frontier logo]()
$272
This Frontier deal was found by Cheapflights users on 6/4. 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 6/163:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Sat 7/411:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/4![Frontier logo]()
$276
This Expedia deal was found by Cheapflights users on 6/5. 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 6/163:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Fri 6/2611:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/5![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 6/163:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Tue 6/2311:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/7![Frontier logo]()
$282
This Super.com deal was found by Cheapflights users on 6/6. 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 6/173:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Sat 6/2711:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/6![Frontier logo]()
$266
This Jettzy deal was found by Cheapflights users on 6/5. 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.
Wed 6/173:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Wed 6/2411:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/5![Frontier logo]()
$271
This deal was found by Cheapflights users on 6/5. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/183:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Tue 6/2311:03 am
SEA
- LAX
Nonstop2h 58m
Frontier
Deal found 6/5![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 6/199:12 pm
LAX
- SEA
Nonstop2h 47m
Multiple Airlines
Sat 6/2711:03 am
SEA
- LAX
Nonstop2h 58m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$286
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 9, 2026.
Search for one-way flight options from Irvine to Seattle. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Jettzy deal was found by Cheapflights users on 6/6. 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.
Sat 7/183:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/6![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/188:15 pm
LAX
- SEA
1 stop14h 20m
Frontier
Deal found 6/4![Frontier logo]()
$92
This Jettzy deal was found by Cheapflights users on 6/8. 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.
Thu 7/233:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/8![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 8/318:56 pm
LAX
- SEA
1 stop12h 52m
Frontier
Deal found 6/9![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 9/18:15 pm
LAX
- SEA
1 stop14h 20m
Frontier
Deal found 6/7![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 6/9. 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 8/73:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/9![Frontier logo]()
$98
This CheapOair deal was found by Cheapflights users on 6/9. 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.
Wed 7/293:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/9![Frontier logo]()
$99
This Super.com deal was found by Cheapflights users on 6/6. 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 6/6![Frontier logo]()
$101
This iWofly deal was found by Cheapflights users on 6/7. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/7![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 6/7. 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 7/223:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/7![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 6/7. 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 7/283:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Deal found 6/7![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 8/46:30 am
LAX
- SEA
1 stop28h 38m
Frontier
Deal found 6/8![Frontier logo]()
$105
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $152 (Super.com) |
One-way from | $91 (Jettzy) |
Popular in | June |
Cheapest in | March |
Average price | $287 |
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 9, 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
Wed 8/19
6:00 am-11:26 am
1 stop5h 26m
Seattle/Tacoma Intl
Tue 9/1
6:30 am-9:34 am
Nonstop3h 04m
$223
Quickest round-trip
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Thu 8/27
7:00 pm-9:45 pm
Nonstop2h 45m
Seattle/Tacoma Intl
Tue 9/1
7:55 pm-10:45 pm
Nonstop2h 50m
$227
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 8/22
2:50 pm-10:55 pm
2 stops8h 05m
Seattle/Tacoma Intl
Wed 8/26
1:45 pm-9:10 pm
2 stops7h 25m
$248
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Tue 7/14
4:10 pm-7:03 pm
Nonstop2h 53m
Seattle/Tacoma Intl
Wed 7/29
8:45 am-1:55 pm
1 stop5h 10m
$257
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Wed 7/15
6:45 pm-1:29 am
1 stop6h 44m
Seattle/Tacoma Intl
Wed 7/22
8:35 am-11:23 am
Nonstop2h 48m
$257
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Mon 7/13
7:07 pm-10:00 pm
Nonstop2h 53m
Seattle/Tacoma Intl
Tue 7/21
7:00 am-1:55 pm
1 stop6h 55m
$257
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 8/8
2:50 pm-10:55 pm
2 stops8h 05m
Seattle/Tacoma Intl
Sat 8/15
5:30 am-10:20 am
1 stop4h 50m
$263
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sun 8/23
11:00 am-6:05 pm
1 stop7h 05m
Seattle/Tacoma Intl
Mon 8/31
3:25 pm-9:50 pm
2 stops6h 25m
$292
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 8/1
6:40 pm-12:40 am
1 stop6h 00m
Seattle/Tacoma Intl
Thu 8/6
3:25 pm-9:30 pm
1 stop6h 05m
$292
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Thu 8/20
7:03 am-12:50 pm
1 stop5h 47m
Seattle/Tacoma Intl
Sat 8/29
3:43 pm-8:34 pm
1 stop4h 51m
$297
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 June 9, 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 9, 2026.
The most flights from IR9 to SEA are scheduled on a Tuesday (98 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 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 May 30, 2026.
Travelers seeking maximum savings on their Irvine to Seattle flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday 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 9, 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.
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Food
7.1
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Comfort
7.8
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
Marysville
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 June 9, 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 9, 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$191 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$289 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$99 | Average$256 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$286 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$150 | Average$277 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$309 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$313 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$190 | Average$469 | FlexibilityNo cancel fee | On-time71% |