$62+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
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 January or February, booked 61 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Pasadena to Seattle
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 December 12, 2025.
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 December 12, 2025.
This Frontier deal was found by Cheapflights users on 12/11. 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.
This Frontier deal was found by Cheapflights users on 12/11. 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.
This CheapOair deal was found by Cheapflights users on 12/10. 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.
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 12/11. 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.
This Frontier deal was found by Cheapflights users on 12/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 12/11. 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.
This Frontier deal was found by Cheapflights users on 12/11. 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.
This Frontier deal was found by Cheapflights users on 12/9. 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.
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
This Priceline deal was found by Cheapflights users on 12/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 December 12, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $102 (Kiwi.com) |
One-way from | $62 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $267 |
Cheapflights Fare Finder
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
Price
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Tue 1/6
1:15 pm-4:29 pm
Nonstop3h 14m
Seattle/Tacoma Intl
Tue 1/13
12:24 pm-3:23 pm
Nonstop2h 59m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Wed 1/7
7:20 am-10:17 am
Nonstop2h 57m
Seattle/Tacoma Intl
Tue 1/20
2:02 pm-4:38 pm
Nonstop2h 36m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sat 1/17
7:20 am-10:17 am
Nonstop2h 57m
Seattle/Tacoma Intl
Sat 1/31
5:40 pm-8:20 pm
Nonstop2h 40m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Tue 1/6
7:29 pm-10:24 pm
Nonstop2h 55m
Seattle/Tacoma Intl
Sat 1/10
7:15 am-10:04 am
Nonstop2h 49m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sat 1/17
7:29 pm-10:24 pm
Nonstop2h 55m
Seattle/Tacoma Intl
Wed 1/21
7:15 am-10:05 am
Nonstop2h 50m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sat 1/17
7:29 pm-10:24 pm
Nonstop2h 55m
Seattle/Tacoma Intl
Tue 1/20
5:40 pm-8:20 pm
Nonstop2h 40m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sat 1/10
8:37 pm-11:47 pm
Nonstop3h 10m
Seattle/Tacoma Intl
Sun 1/11
9:00 am-11:59 am
Nonstop2h 59m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sun 1/25
5:00 pm-10:30 pm
1 stop5h 30m
Seattle/Tacoma Intl
Tue 1/27
12:45 pm-4:55 pm
1 stop4h 10m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Tue 1/6
4:37 pm-7:34 pm
Nonstop2h 57m
Seattle/Tacoma Intl
Mon 1/19
5:40 pm-8:20 pm
Nonstop2h 40m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Wed 2/25
7:20 am-10:17 am
Nonstop2h 57m
Seattle/Tacoma Intl
Thu 3/5
7:25 am-10:14 am
Nonstop2h 49m
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.
Cheapflights Insights
Everything you need to know about your flight from Pasadena to Seattle
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 December 5, 2025.
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, January is the cheapest month in which you can book a flight from Pasadena to Seattle (average of $38). Flying from Pasadena to Seattle in July is currently the most expensive (average of $134). 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 December 12, 2025.
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 6% on your trip compared to booking a flight in the evening.
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 December 6, 2025.
Travelers seeking maximum savings on their Pasadena to Seattle flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday 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 December 12, 2025.
The most flights from P4S to SEA are scheduled on a Thursday (113 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (51 on average).
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 December 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian 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.
Food
Comfort
Crew
Entertainment
Boarding
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Comfort
Crew
Entertainment
Boarding
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Comfort
Crew
Entertainment
Boarding
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Comfort
Crew
Entertainment
Boarding
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Comfort
Crew
Entertainment
Boarding
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Comfort
Crew
Entertainment
Boarding
Overall
Reviews
Anonymous,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 locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Pasadena to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$50 | Average$162 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$76 | Average$173 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$98 | Average$268 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$119 | Average$253 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$146 | Average$267 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$150 | Average$253 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$168 | Average$282 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$338 | FlexibilityNo cancel fee | On-time71% |