$52+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
May 7 — May 141
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 May or March, booked 61 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
One-way
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 April 7, 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 April 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/193:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Fri 5/2911:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/7![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 5/1811:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/3![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 4/6. 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 5/63:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 5/1111:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/6![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 4/5. 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.
Wed 5/63:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Thu 5/711:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/5![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sat 5/3011:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/3![Frontier logo]()
$100
This CheapOair deal was found by Cheapflights users on 4/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:17 pm
LAX
- SEA
1 stop17h 10m
Frontier
Thu 4/3010:57 am
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 4/6![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 4/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:11 pm
LAX
- SEA
1 stop26h 41m
Frontier
Sat 5/210:57 am
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 4/5![Frontier logo]()
$104
This Lucky2Go deal was found by Cheapflights users on 4/6. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 5/117:50 pm
SEA
- LAX
1 stop28h 26m
Frontier
Deal found 4/6![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/193:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Tue 5/2611:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/7![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 5/1811:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/5![Frontier logo]()
$107
This Super.com deal was found by Cheapflights users on 4/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sun 5/1011:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/5![Frontier logo]()
$108
This CheapOair deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:15 am
LAX
- SEA
1 stop27h 12m
Frontier
Sat 5/210:57 am
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 4/3![Frontier logo]()
$109
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 April 7, 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 April 7, 2026.
This Delta deal was found by Cheapflights users on 4/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:45 am
LAX
- SEA
Nonstop2h 52m
Delta
Sat 5/96:05 pm
SEA
- LAX
Nonstop2h 45m
Delta
Deal found 4/4![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:55 pm
LAX
- SEA
Nonstop3h 03m
United Airlines
Mon 5/46:58 pm
SEA
- LAX
Nonstop2h 45m
United Airlines
Deal found 4/2![United Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:45 am
LAX
- SEA
Nonstop2h 57m
Alaska Airlines
Mon 5/188:00 am
SEA
- LAX
Nonstop2h 56m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 4/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:15 pm
LAX
- SEA
1 stop4h 15m
Southwest
Mon 5/187:20 am
SEA
- LAX
1 stop7h 30m
Southwest
Deal found 4/5![Southwest logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Mon 5/187:00 am
LAX
- SEA
Nonstop3h 00m
Alaska Airlines
Thu 5/286:00 am
SEA
- LAX
Nonstop2h 45m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:00 am
LAX
- SEA
Nonstop2h 53m
Delta
Mon 4/277:35 am
SEA
- LAX
Nonstop2h 50m
Delta
Deal found 4/2![Delta logo]()
$200
This Southwest deal was found by Cheapflights users on 4/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:40 pm
LAX
- SEA
1 stop4h 25m
Southwest
Sat 5/26:40 am
SEA
- LAX
2 stops9h 45m
Southwest
Deal found 4/6![Southwest logo]()
$212
This Southwest deal was found by Cheapflights users on 4/7. 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.
Sat 5/912:50 pm
LAX
- SEA
2 stops9h 10m
Southwest
Mon 5/116:30 am
SEA
- LAX
1 stop6h 05m
Southwest
Deal found 4/7![Southwest logo]()
$212
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/108:10 pm
LAX
- SEA
1 stop5h 03m
United Airlines
Sun 6/216:06 am
SEA
- LAX
Nonstop2h 44m
United Airlines
Deal found 4/3![United Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 4/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:40 pm
LAX
- SEA
1 stop4h 25m
Southwest
Mon 6/87:30 am
SEA
- LAX
1 stop6h 00m
Southwest
Deal found 4/5![Southwest logo]()
$217
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:25 pm
LAX
- SEA
2 stops7h 05m
Southwest
Mon 4/277:20 am
SEA
- LAX
1 stop7h 30m
Southwest
Deal found 4/2![Southwest logo]()
$222
Last-minute flights from Pasadena to SeattleDiscover last-minute flight deals from Pasadena to Seattle. Data last updated April 7, 2026 and is based on user searches.
Discover last-minute flight deals from Pasadena to Seattle. Data last updated April 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:15 am
LAX
- SEA
1 stop27h 12m
Frontier
Sat 5/210:57 am
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 4/3![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Sat 4/256:15 am
LAX
- SEA
1 stop27h 12m
Frontier
Thu 4/3010:57 am
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 4/4![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 4/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:17 pm
LAX
- SEA
1 stop17h 10m
Frontier
Thu 4/3010:57 am
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 4/6![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 4/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:11 pm
LAX
- SEA
1 stop26h 41m
Frontier
Sat 5/210:57 am
SEA
- LAX
Nonstop2h 48m
Frontier
Deal found 4/5![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/63:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Fri 5/811:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/6![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 4/6. 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.
Wed 5/63:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 5/1111:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/6![Frontier logo]()
$98
This Lucky2Go deal was found by Cheapflights users on 4/6. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 5/117:50 pm
SEA
- LAX
1 stop28h 26m
Frontier
Deal found 4/6![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 4/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sun 5/1011:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/5![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/113:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 5/1811:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/3![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Mon 5/1811:06 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/5![Frontier logo]()
$107
This Trip.com deal was found by Cheapflights users on 4/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Thu 6/411:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/4![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Sat 5/3011:21 am
SEA
- LAX
Nonstop2h 57m
Frontier
Deal found 4/3![Frontier logo]()
$100
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 April 7, 2026.
Search for one-way flight options from Pasadena to Seattle. Find affordable one-way fares based on user searches. Data last updated April 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/123:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Deal found 4/6![Frontier logo]()
$52
This Trip.com deal was found by Cheapflights users on 4/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Deal found 4/7![Frontier logo]()
$53
This Super.com deal was found by Cheapflights users on 4/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Deal found 4/5![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/153:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Deal found 4/6![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 4/295:11 pm
LAX
- SEA
1 stop26h 41m
Frontier
Deal found 4/6![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/284:17 pm
LAX
- SEA
1 stop17h 10m
Frontier
Deal found 4/4![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Deal found 4/3![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 4/4. 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.
Wed 5/273:15 pm
LAX
- SEA
Nonstop3h 20m
Frontier
Deal found 4/4![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:15 am
LAX
- SEA
1 stop8h 50m
Frontier
Deal found 4/2![Frontier logo]()
$70
This Jetabroad deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/113:25 pm
LAX
- SEA
Nonstop3h 01m
Frontier
Deal found 4/3![Frontier logo]()
$72
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 April 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $96 (Kiwi.com) |
One-way from | $52 (Kiwi.com) |
Popular in | June |
Cheapest in | May |
Average price | $228 |
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 April 7, 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
Quickest round-trip
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 4/25
9:45 am-12:37 pm
Nonstop2h 52m
Seattle/Tacoma Intl
Sat 5/9
6:05 pm-8:50 pm
Nonstop2h 45m
$177
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 5/2
6:55 pm-9:58 pm
Nonstop3h 03m
Seattle/Tacoma Intl
Mon 5/4
6:58 pm-9:43 pm
Nonstop2h 45m
$187
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 5/9
7:45 am-10:42 am
Nonstop2h 57m
Seattle/Tacoma Intl
Mon 5/18
8:00 am-10:56 am
Nonstop2h 56m
$187
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Mon 5/18
7:00 am-10:00 am
Nonstop3h 00m
Seattle/Tacoma Intl
Thu 5/28
6:00 am-8:45 am
Nonstop2h 45m
$197
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Thu 4/23
7:00 am-9:53 am
Nonstop2h 53m
Seattle/Tacoma Intl
Mon 4/27
7:35 am-10:25 am
Nonstop2h 50m
$200
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 5/16
6:15 pm-10:30 pm
1 stop4h 15m
Seattle/Tacoma Intl
Mon 5/18
7:20 am-2:50 pm
1 stop7h 30m
$207
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Fri 5/1
6:40 pm-11:05 pm
1 stop4h 25m
Seattle/Tacoma Intl
Sat 5/2
6:40 am-4:25 pm
2 stops9h 45m
$212
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Sat 5/9
12:50 pm-10:00 pm
2 stops9h 10m
Seattle/Tacoma Intl
Mon 5/11
6:30 am-12:35 pm
1 stop6h 05m
$212
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Thu 5/28
6:40 pm-11:05 pm
1 stop4h 25m
Seattle/Tacoma Intl
Mon 6/8
7:30 am-1:30 pm
1 stop6h 00m
$217
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles Los Angeles
Thu 4/23
3:25 pm-10:30 pm
2 stops7h 05m
Seattle/Tacoma Intl
Mon 4/27
7:20 am-2:50 pm
1 stop7h 30m
$222
Showing 1-10 of 23 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
How far ahead should I book a flight from Pasadena to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Pasadena to Seattle. Price data was last updated on April 3, 2026.
Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pasadena to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Pasadena to Seattle?
Currently, March is the cheapest month in which you can book a flight from Pasadena to Seattle (average of $56). Flying from Pasadena to Seattle in July is currently the most expensive (average of $143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from 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 April 7, 2026.
A simple way to save on the total cost of your ticket is to fly from Pasadena to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the morning.
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 April 4, 2026.
Travelers seeking maximum savings on their Pasadena to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 April 7, 2026.
The most flights from P4S to SEA are scheduled on a Monday (105 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (42 on average).
How much does it cost to fly round-trip from Pasadena to Seattle?
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated April 7, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian 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.
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - 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
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for 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 April 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 7, 2026.
Pasadena to Seattle flights
Consider these flights traveling from Pasadena to Seattle.
Top 9 airlines flying from Pasadena to Seattle
Discover the top 9 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 April 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$79 | Average$190 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$91 | Average$267 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$99 | Average$247 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$139 | Average$292 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$146 | Average$257 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$156 | Average$302 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$351 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$196 | Average$320 | FlexibilityNo cancel fee | On-time62% |