$56+ Cheap flights from Pasadena, CA to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Oct 10 — Oct 171
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 Saturday and return on a Thursday
Cheap flight deals from Pasadena to Seattle
Cheapest
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 September 10, 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 September 10, 2026.
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:35 pm -
Nonstop3h 10m
Thu 10/228:00 pm -
Nonstop2h 46m
Deal found 9/9![Frontier logo]()
$118
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:28 pm -
1 stop24h 40m
Tue 10/68:15 pm -
Nonstop2h 49m
Deal found 9/10![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/36:05 am -
1 stop9h 03m
Wed 10/79:45 pm -
1 stop9h 49m
Deal found 9/10![Frontier logo]()
$120
This Priceline deal was found by Cheapflights users on 9/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:41 pm -
Nonstop3h 13m
Mon 11/98:09 pm -
Nonstop2h 50m
Deal found 9/5![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Wed 10/213:35 pm -
Nonstop3h 10m
Sat 11/148:09 pm -
Nonstop2h 50m
Deal found 9/7![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/52:50 pm -
1 stop18h 52m
Wed 10/79:45 pm -
1 stop9h 49m
Deal found 9/9![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 9/8. 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.
Thu 10/13:35 pm -
Nonstop3h 01m
Wed 10/77:25 pm -
Nonstop2h 55m
Deal found 9/8![Frontier logo]()
$125
This Orbitz deal was found by Cheapflights users on 9/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:41 pm -
Nonstop3h 13m
Sun 11/159:13 pm -
1 stop21h 28m
Deal found 9/9![Frontier logo]()
$126
This Gotogate deal was found by Cheapflights users on 9/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:04 pm -
1 stop11h 38m
Sat 10/108:00 pm -
Nonstop2h 46m
Deal found 9/7![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 9/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:35 pm -
Nonstop3h 10m
Mon 11/28:09 pm -
Nonstop2h 50m
Deal found 9/5![Frontier logo]()
$129
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 September 10, 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 September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:05 am -
Nonstop2h 55m
Sun 10/258:16 pm -
Nonstop2h 49m
Deal found 9/9![Delta logo]()
$157
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/116:02 am -
Nonstop2h 54m
Sat 10/178:45 pm -
Nonstop2h 46m
Deal found 9/6![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:30 am -
1 stop6h 00m
Wed 10/2112:05 pm -
2 stops7h 45m
Deal found 9/9![Southwest logo]()
$182
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/278:05 pm -
1 stop4h 28m
Fri 3/53:51 pm -
1 stop7h 03m
Deal found 9/9![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:15 pm -
Nonstop2h 54m
Fri 11/279:20 pm -
Nonstop2h 39m
Deal found 9/7![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 9/6. 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 10/302:50 pm -
1 stop5h 15m
Mon 11/29:10 am -
2 stops7h 50m
Deal found 9/6![Southwest logo]()
$182
This Southwest deal was found by Cheapflights users on 9/5. 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.
Tue 10/275:55 am -
2 stops7h 40m
Sat 10/317:40 am -
1 stop6h 40m
Deal found 9/5![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/256:02 am -
Nonstop2h 54m
Wed 10/287:36 pm -
1 stop13h 22m
Deal found 9/6![Alaska Airlines logo]()
$210
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:35 pm -
1 stop7h 05m
Tue 11/34:40 pm -
2 stops14h 00m
Deal found 9/9![Southwest logo]()
$188
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:20 am -
2 stops8h 30m
Tue 11/34:40 pm -
2 stops14h 00m
Deal found 9/9![Southwest logo]()
$193
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:00 am -
Nonstop3h 01m
Mon 11/167:21 am -
1 stop5h 22m
Deal found 9/7![Alaska Airlines logo]()
$240
This Southwest deal was found by Cheapflights users on 9/7. 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.
Thu 11/512:45 pm -
2 stops7h 20m
Sun 11/86:30 am -
1 stop4h 25m
Deal found 9/7![Southwest logo]()
$247
Last-minute flights from Pasadena to SeattleDiscover last-minute flight deals from Pasadena to Seattle. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Pasadena to Seattle. Data last updated September 10, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 9/8. 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.
Thu 10/13:35 pm -
Nonstop3h 01m
Wed 10/77:25 pm -
Nonstop2h 55m
Deal found 9/8![Frontier logo]()
$125
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:28 pm -
1 stop24h 40m
Tue 10/68:15 pm -
Nonstop2h 49m
Deal found 9/10![Frontier logo]()
$119
This Gotogate deal was found by Cheapflights users on 9/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:04 pm -
1 stop11h 38m
Sat 10/108:00 pm -
Nonstop2h 46m
Deal found 9/7![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/36:05 am -
1 stop9h 03m
Wed 10/79:45 pm -
1 stop9h 49m
Deal found 9/10![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/52:50 pm -
1 stop18h 52m
Wed 10/79:45 pm -
1 stop9h 49m
Deal found 9/9![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:35 pm -
Nonstop3h 10m
Mon 10/129:16 pm -
1 stop19h 04m
Deal found 9/9![Frontier logo]()
$126
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:35 pm -
Nonstop3h 10m
Wed 10/218:00 pm -
Nonstop2h 46m
Deal found 9/9![Frontier logo]()
$122
This Frontier deal was found by Cheapflights users on 9/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:35 pm -
Nonstop3h 10m
Thu 10/228:00 pm -
Nonstop2h 46m
Deal found 9/9![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/7. 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.
Wed 10/213:35 pm -
Nonstop3h 10m
Sat 11/148:09 pm -
Nonstop2h 50m
Deal found 9/7![Frontier logo]()
$123
This CheapOair deal was found by Cheapflights users on 9/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:35 pm -
Nonstop3h 10m
Mon 11/28:09 pm -
Nonstop2h 50m
Deal found 9/5![Frontier logo]()
$129
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 September 10, 2026.
Search for one-way flight options from Pasadena to Seattle. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 11/103:41 pm -
Nonstop3h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Tue 10/65:20 pm -
1 stop16h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/145:15 pm -
1 stop15h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/264:33 pm -
1 stop18h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 10/89:57 pm -
1 stop11h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$62
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:05 am -
1 stop9h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$67
This Super.com deal was found by Cheapflights users on 9/9. 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 10/93:35 pm -
Nonstop3h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$68
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:35 pm -
Nonstop3h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$69
This CheapOair deal was found by Cheapflights users on 9/9. 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 10/73:09 pm -
Nonstop3h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$73
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $118 (Frontier) |
One-way from | $56 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $256 |
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 7,457,451 searches. Data last updated September 10, 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 Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Thu 10/29
4:30 pm-9:00 pm
1 stop4h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$84
Los AngelesSeattle
LAX Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Sat 12/12
5:40 am-11:20 am
1 stop5h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
Los AngelesSeattle
LAX Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Thu 10/15
5:45 am-11:45 am
1 stop6h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
Los AngelesSeattle
LAX Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Sat 11/7
11:50 am-6:30 pm
1 stop6h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
Los AngelesSeattle
LAX Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Fri 10/16
4:00 pm-10:35 pm
1 stop6h 35m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
Los AngelesSeattle
LAX Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Sun 10/4
7:35 pm-12:15 am
1 stop4h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
Los AngelesSeattle
LAX Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Tue 11/3
7:10 am-5:50 pm
2 stops10h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$94
Los AngelesSeattle
LAX Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Tue 12/29
7:00 pm-9:59 pm
Nonstop2h 59m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
Los AngelesSeattle
LAX Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Fri 2/19
7:24 pm-10:20 pm
Nonstop2h 56m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
Los AngelesSeattle
LAX Los Angeles Los Angeles - SEA Seattle/Tacoma Intl
LAXSEA
Los Angeles Los Angeles
Sat 10/3
8:06 pm-11:04 pm
Nonstop2h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
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 September 10, 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 15% 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 September 10, 2026.
The most flights from P4S to SEA are scheduled on a Wednesday (111 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (46 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 $193 and $340 in October.The cheapest round-trip price found within the last 5 days was $118 on Frontier (Oct 20-Oct 22).
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 September 5, 2026.
Travelers seeking maximum savings on their Pasadena to Seattle flight should consider departing on Tuesday mornings 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 September 10, 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.
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
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
Renton
Tacoma
Lacey
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Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
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Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$44 | Average$204 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$323 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$99 | Average$265 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$137 | Average$291 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$150 | Average$335 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$169 | Average$358 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$317 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$227 | Average$431 | FlexibilityNo cancel fee | On-time71% |