$101+ Cheap flights from Pasadena, 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Find cheap flights from Pasadena 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 Pasadena to Seattle/Tacoma Intl are usually found in March or February, booked 70 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Pasadena to Seattle
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Best
Last-minute
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Cheapest flights from Pasadena to SeattleExplore the most affordable flight options available from Pasadena to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
Explore the most affordable flight options available from Pasadena to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.
This Priceline deal was found by Cheapflights users on 7/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:16 pm
LAX
- SEA
Nonstop3h 10m
Multiple Airlines
Sun 10/117:20 am
SEA
- LAX
1 stop6h 04m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 11/83:16 pm
LAX
- SEA
Nonstop3h 10m
Frontier
Mon 11/911:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 7/27![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sat 9/55:00 pm
LAX
- SEA
1 stop4h 40m
Multiple Airlines
Thu 9/108:15 pm
SEA
- LAX
Nonstop2h 49m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 9/93:09 pm
LAX
- SEA
Nonstop3h 01m
Multiple Airlines
Sun 9/137:08 am
SEA
- LAX
1 stop6h 04m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Tue 8/188:53 pm
SEA
- LAX
1 stop12h 36m
Frontier
Deal found 7/26![Frontier logo]()
$192
This Expedia deal was found by Cheapflights users on 7/26. 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 8/193:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Fri 8/2110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/26![Frontier logo]()
$193
This Trip.com deal was found by Cheapflights users on 7/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
LAX
- SEA
Nonstop2h 47m
Alaska Airlines
Thu 8/203:58 pm
SEA
- LAX
Nonstop2h 48m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Fri 9/1111:06 am
SEA
- LAX
Nonstop2h 55m
Frontier
Deal found 7/22![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:26 am
LAX
- SEA
1 stop4h 23m
Multiple Airlines
Tue 9/810:34 am
SEA
- LAX
Nonstop3h 00m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$196
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/156:00 am
LAX
- SEA
Nonstop2h 47m
Alaska Airlines
Tue 8/186:03 am
SEA
- LAX
Nonstop2h 44m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$197
This Super.com deal was found by Cheapflights users on 7/22. 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 8/203:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Mon 8/2410:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/22![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:05 pm
LAX
- SEA
1 stop11h 59m
Frontier
Tue 8/257:06 pm
SEA
- LAX
1 stop13h 49m
Frontier
Deal found 7/25![Frontier logo]()
$199
Best flights from Pasadena to SeattleDiscover carefully curated flight deals from Pasadena to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from Pasadena to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This Southwest deal was found by Cheapflights users on 7/26. 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.
Wed 9/93:15 pm
LAX
- SEA
1 stop4h 00m
Southwest
Wed 9/2312:40 pm
SEA
- LAX
1 stop6h 15m
Southwest
Deal found 7/26![Southwest logo]()
$202
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:00 pm
LAX
- SEA
Nonstop2h 44m
Delta
Fri 8/287:55 pm
SEA
- LAX
Nonstop2h 50m
Delta
Deal found 7/24![Delta logo]()
$207
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 8/274:15 pm
LAX
- SEA
Nonstop2h 59m
United Airlines
Mon 8/316:30 am
SEA
- LAX
Nonstop3h 04m
United Airlines
Deal found 7/27![United Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:30 pm
LAX
- SEA
1 stop5h 32m
Alaska Airlines
Sat 8/2912:05 pm
SEA
- LAX
1 stop6h 52m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 8/206:50 pm
LAX
- SEA
Nonstop2h 51m
United Airlines
Sun 8/236:30 am
SEA
- LAX
Nonstop3h 04m
United Airlines
Deal found 7/27![United Airlines logo]()
$236
This Delta deal was found by Cheapflights users on 7/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/49:00 pm
LAX
- SEA
Nonstop2h 44m
Delta
Mon 9/79:45 pm
SEA
- LAX
Nonstop2h 47m
Delta
Deal found 7/25![Delta logo]()
$237
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 9/267:03 am
LAX
- SEA
1 stop4h 55m
Alaska Airlines
Sun 10/48:37 am
SEA
- LAX
1 stop4h 47m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$247
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/183:55 pm
LAX
- SEA
1 stop5h 55m
Southwest
Mon 9/215:30 am
SEA
- LAX
1 stop5h 15m
Southwest
Deal found 7/27![Southwest logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 8/286:50 pm
LAX
- SEA
Nonstop2h 51m
United Airlines
Sat 8/297:00 am
SEA
- LAX
1 stop5h 01m
United Airlines
Deal found 7/27![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:20 am
LAX
- SEA
1 stop5h 10m
Southwest
Tue 8/182:55 pm
SEA
- LAX
1 stop5h 10m
Southwest
Deal found 7/25![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sun 8/239:37 am
LAX
- SEA
1 stop4h 47m
United Airlines
Mon 8/316:30 am
SEA
- LAX
Nonstop3h 04m
United Airlines
Deal found 7/27![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:05 am
LAX
- SEA
2 stops7h 50m
Southwest
Mon 8/245:00 am
SEA
- LAX
1 stop5h 40m
Southwest
Deal found 7/25![Southwest logo]()
$282
Last-minute flights from Pasadena to SeattleDiscover last-minute flight deals from Pasadena to Seattle. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Pasadena to Seattle. Data last updated July 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/126:30 am
LAX
- SEA
1 stop28h 34m
Frontier
Wed 8/198:53 pm
SEA
- LAX
1 stop12h 36m
Frontier
Deal found 7/23![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 7/23. 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 8/143:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Fri 8/2110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/23![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Fri 8/2810:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/26![Frontier logo]()
$201
This Trip.com deal was found by Cheapflights users on 7/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
LAX
- SEA
Nonstop2h 47m
Alaska Airlines
Thu 8/203:58 pm
SEA
- LAX
Nonstop2h 48m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 7/23. 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 8/157:00 pm
LAX
- SEA
Nonstop2h 45m
Delta
Mon 8/177:16 am
SEA
- LAX
Nonstop2h 49m
Delta
Deal found 7/23![Delta logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Tue 8/188:53 pm
SEA
- LAX
1 stop12h 36m
Frontier
Deal found 7/26![Frontier logo]()
$192
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Thu 8/2010:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/27![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 7/27. 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.
Thu 8/203:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Fri 8/2110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/27![Frontier logo]()
$193
This Frontier deal was found by Cheapflights users on 7/27. 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.
Fri 8/213:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Mon 8/2410:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/27![Frontier logo]()
$188
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:09 pm
LAX
- SEA
1 stop16h 13m
Frontier
Sun 9/610:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/28![Frontier logo]()
$190
This Trip.com deal was found by Cheapflights users on 7/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:04 pm
LAX
- SEA
Nonstop2h 47m
Frontier
Mon 8/3110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/25![Frontier logo]()
$199
This Orbitz deal was found by Cheapflights users on 7/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:55 am
LAX
- SEA
1 stop27h 44m
Frontier
Tue 9/110:34 am
SEA
- LAX
Nonstop3h 00m
Frontier
Deal found 7/27![Frontier logo]()
$198
One-way flights from Pasadena to SeattleSearch for one-way flight options from Pasadena to Seattle. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from Pasadena to Seattle. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/2310:27 pm
LAX
- SEA
1 stop11h 33m
Frontier
Deal found 7/23![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/314:15 pm
LAX
- SEA
2 stops18h 24m
Frontier
Deal found 7/27![Frontier logo]()
$102
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:25 am
LAX
- SEA
1 stop7h 55m
Southwest
Deal found 7/27![Southwest logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:20 pm
LAX
- SEA
1 stop16h 22m
Frontier
Deal found 7/25![Frontier logo]()
$105
This Southwest deal was found by Cheapflights users on 7/23. 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.
Wed 9/161:25 pm
LAX
- SEA
2 stops6h 50m
Southwest
Deal found 7/23![Southwest logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/2510:04 pm
LAX
- SEA
1 stop11h 38m
Frontier
Deal found 7/27![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:15 am
LAX
- SEA
1 stop8h 53m
Frontier
Deal found 7/26![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/256:30 am
LAX
- SEA
1 stop26h 49m
Frontier
Deal found 7/24![Frontier logo]()
$112
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:25 pm
LAX
- SEA
2 stops6h 50m
Southwest
Deal found 7/24![Southwest logo]()
$114
Find flight deals from Pasadena to Seattle
Keep the following information in mind while searching for Pasadena to Seattle flight deals. Data was last updated July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $188 (Frontier) |
One-way from | $101 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $307 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pasadena 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 July 28, 2026.
Use the filters below to find and compare flights from Pasadena to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Wed 9/9
3:15 pm-7:15 pm
1 stop4h 00m
Seattle/Tacoma Intl
Wed 9/23
12:40 pm-6:55 pm
1 stop6h 15m
$202
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Fri 8/21
9:00 pm-11:44 pm
Nonstop2h 44m
Seattle/Tacoma Intl
Fri 8/28
7:55 pm-10:45 pm
Nonstop2h 50m
$207
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Thu 8/27
4:15 pm-7:14 pm
Nonstop2h 59m
Seattle/Tacoma Intl
Mon 8/31
6:30 am-9:34 am
Nonstop3h 04m
$217
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Thu 8/20
6:50 pm-9:41 pm
Nonstop2h 51m
Seattle/Tacoma Intl
Sun 8/23
6:30 am-9:34 am
Nonstop3h 04m
$236
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Wed 8/26
1:30 pm-7:02 pm
1 stop5h 32m
Seattle/Tacoma Intl
Sat 8/29
12:05 pm-6:57 pm
1 stop6h 52m
$237
Quickest round-trip
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Fri 9/4
9:00 pm-11:44 pm
Nonstop2h 44m
Seattle/Tacoma Intl
Mon 9/7
9:45 pm-12:32 am
Nonstop2h 47m
$237
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sat 9/26
7:03 am-11:58 am
1 stop4h 55m
Seattle/Tacoma Intl
Sun 10/4
8:37 am-1:24 pm
1 stop4h 47m
$247
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Fri 9/18
3:55 pm-9:50 pm
1 stop5h 55m
Seattle/Tacoma Intl
Mon 9/21
5:30 am-10:45 am
1 stop5h 15m
$257
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Fri 8/28
6:50 pm-9:41 pm
Nonstop2h 51m
Seattle/Tacoma Intl
Sat 8/29
7:00 am-12:01 pm
1 stop5h 01m
$257
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sun 8/23
9:37 am-2:24 pm
1 stop4h 47m
Seattle/Tacoma Intl
Mon 8/31
6:30 am-9:34 am
Nonstop3h 04m
$257
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Pasadena to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Pasadena 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 Pasadena to Seattle
P4S-SEA
LAX-SEA
What is the cheapest time of day to fly from P4S to SEA?
Find hourly flight availability from Pasadena 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 July 28, 2026.
A simple way to save on the total cost of your ticket is to fly from Pasadena to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.
Weekly flight availability from Pasadena to Seattle
Explore weekly flight availability from Pasadena 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 July 28, 2026.
The most flights from P4S to SEA are scheduled on a Monday (111 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (76 on average).
How much does it cost to fly round-trip from Pasadena to Seattle?
Airfare is below average for this route at the moment.
Pasadena to Seattle flights typically cost between $213 and $367 in August.The cheapest round-trip price found within the last 5 days was $188 on Frontier (Aug 21-Aug 24).
What is the cheapest day to fly from Pasadena to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Pasadena to Seattle. Price data was last updated on July 25, 2026.
Travelers seeking maximum savings on their Pasadena to Seattle flight should consider departing on Sunday 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 July 28, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Pasadena to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
7.9
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
7.9
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
7.9
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
7.9
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
7.9
Food
7.0
Comfort
7.8
Entertainment
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from Pasadena 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
Renton
Lacey
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Issaquah
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 Pasadena to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pasadena to Seattle by cabin class
Find flights from Pasadena to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pasadena and Seattle flights
Browse other Pasadena and Seattle flight options. Last updated on July 28, 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 July 28, 2026.
Pasadena to Seattle flights
Consider these flights traveling from Pasadena to Seattle.
Top 8 airlines flying from Pasadena to Seattle
Discover the top 8 airlines that operate flights from Pasadena 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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$198 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$274 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$99 | Average$251 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$287 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$141 | Average$295 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$309 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$355 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$201 | Average$410 | FlexibilityNo cancel fee | On-time71% |