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$87+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Jul 12 — Jul 191
Sat 7/12
Sat 7/19
1 adult, Economy
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Cheapflights Tip: The best prices from Pasadena to Seattle/Tacoma Intl are usually found in January or September, booked 34 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap 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 7, 2025.

Round-trip from

$150
(Southwest)

One-way from

$87
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$237
From Pasadena to Seattle/Tacoma Intl
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One-way flight from Pasadena to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 12% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Pasadena to Seattle

Cheapest flights from Pasadena to Seattle
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 7, 2025.

This Southwest deal was found by Cheapflights users on 7/6. 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.
Sun 8/108:45 pmLAX - SEA
1 stop4h 35mSouthwest
Thu 8/143:25 pmSEA - LAX
1 stop6h 15mSouthwest
Deal found 7/6$150
This Cheapflightsfares deal was found by Cheapflights users on 7/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/18:33 amLAX - SEA
Nonstop2h 51mFrontier
Sat 8/239:42 pmSEA - LAX
Nonstop2h 52mFrontier
Deal found 7/6$151
This Trip.com deal was found by Cheapflights users on 7/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:40 pmLAX - SEA
Nonstop2h 51mMultiple Airlines
Sat 8/3011:30 amSEA - LAX
1 stop5h 15mMultiple Airlines
Deal found 7/5$152
This iWofly deal was found by Cheapflights users on 7/5. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:32 amLAX - SEA
1 stop6h 37mHawaiian Airlines
Sat 8/307:00 amSEA - LAX
Nonstop2h 47mHawaiian Airlines
Deal found 7/5$154
This Delta deal was found by Cheapflights users on 7/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:25 pmLAX - SEA
Nonstop2h 43mDelta
Sat 8/307:10 amSEA - LAX
Nonstop2h 55mDelta
Deal found 7/6$157
This Trip.com deal was found by Cheapflights users on 7/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2310:32 amLAX - SEA
1 stop6h 37mAlaska Airlines
Sat 8/307:00 amSEA - LAX
1 stop3h 51mAlaska Airlines
Deal found 7/5$166
This CheapOair deal was found by Cheapflights users on 7/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:00 amLAX - SEA
1 stop10h 25mSpirit Airlines
Tue 7/295:30 pmSEA - LAX
1 stop5h 20mSpirit Airlines
Deal found 7/7$171
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/54:15 pmLAX - SEA
1 stop4h 42mUnited Airlines
Thu 8/76:45 amSEA - LAX
Nonstop2h 55mUnited Airlines
Deal found 7/6$183

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 7, 2025.
Use the filters below to find and compare flights from Pasadena to Seattle that are best for you.

Fly from

Pasadena

Fly to

Seattle

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sun 8/10

8:45 pm-1:20 am

1 stop4h 35m

Seattle/Tacoma Intl

Thu 8/14

3:25 pm-9:40 pm

1 stop6h 15m

$150

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 8/1

8:33 am-11:24 am

Nonstop2h 51m

Seattle/Tacoma Intl

Sat 8/23

9:42 pm-12:34 am

Nonstop2h 52m

$151

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 8/23

9:40 pm-12:31 am

Nonstop2h 51m

Seattle/Tacoma Intl

Sat 8/30

11:30 am-4:45 pm

1 stop5h 15m

$152

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 8/23

10:32 am-5:09 pm

1 stop6h 37m

Seattle/Tacoma Intl

Sat 8/30

7:00 am-9:47 am

Nonstop2h 47m

$154

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 8/27

5:25 pm-8:08 pm

Nonstop2h 43m

Seattle/Tacoma Intl

Sat 8/30

7:10 am-10:05 am

Nonstop2h 55m

$157

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 8/23

10:32 am-5:09 pm

1 stop6h 37m

Seattle/Tacoma Intl

Sat 8/30

7:00 am-10:51 am

1 stop3h 51m

$166

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 7/22

6:00 am-4:25 pm

1 stop10h 25m

Seattle/Tacoma Intl

Wed 7/30

5:30 pm-10:50 pm

1 stop5h 20m

$171

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 8/5

4:15 pm-8:57 pm

1 stop4h 42m

Seattle/Tacoma Intl

Tue 8/12

5:14 pm-8:05 pm

Nonstop2h 51m

$183

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 8/1

6:00 am-4:25 pm

1 stop10h 25m

$87

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 9/9

4:48 pm-9:36 pm

1 stop4h 48m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 16 results
1
2

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.
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

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 June 27, 2025.

Booking 34 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 $238). Flying from Pasadena to Seattle in June is currently the most expensive (average of $388). 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 July 7, 2025.

When flying from Pasadena to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 6, 2025.

Travelers seeking maximum savings on their Pasadena to Seattle flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday at noon 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 July 7, 2025.

The most flights from P4S to SEA are scheduled on a Monday (143 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (75 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 July 7, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,257 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,549 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,846 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What airport do you fly into for flights to Seattle from Pasadena?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Pasadena to Seattle. 8 airlines have flights to Seattle/Tacoma Intl from Pasadena on a regular basis. Booking flights from Pasadena to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 94 inbound flights from Pasadena per day.

  • How popular is this Pasadena to Seattle flight route?

    Within the past month, 316 users have taken a look at flights from Pasadena to Seattle/Tacoma Intl.

  • What are the cheapest airlines to fly from Pasadena to Seattle one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $87. However, be on the lookout for offers from Hawaiian Airlines and American Airlines, as they are both options that can get you from Pasadena to Seattle for a low price.

  • What are the most reliable airlines from Pasadena to Seattle?

    No one likes to see their flight delayed. When booking a flight from Pasadena to Seattle consider choosing Spirit Airlines (100%), KLM (96%) or China Eastern (95%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Pasadena to Seattle?

    The cheapest flight price from Pasadena to Seattle is $89. On average you can expect to pay $1,009. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for $116.

  • Can I find deals for flights from Pasadena to Seattle that include hotel bookings?

    Yes. In addition to deals on Pasadena to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pasadena to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pasadena to Seattle.

  • Can I find deals for business class flights from Pasadena to Seattle?

    Yes. Cheapflights offers flight deals from Pasadena to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $238). Flying from Pasadena to Seattle in June is currently the most expensive (average of $388). 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.

See more FAQs

Traveling to a place near Pasadena?

Book flights to Pasadena if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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Alternative routes for Pasadena to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated July 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$41Average$149FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$68Average$149FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$275FlexibilityNo cancel feeOn-time85%
DeltaCheapest$116Average$282FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$138Average$268FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$150Average$273FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$153Average$346FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$386FlexibilityNo cancel feeOn-time71%

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