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$80+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 58 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 June 18, 2025.

Round-trip from

$132
(Cheapflightsfares)

One-way from

$80
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$267
From Pasadena to Seattle/Tacoma Intl
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One-way flight from Pasadena to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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.
Mon 8/118:33 amLAX - SEA
Nonstop2h 51mFrontier
Sat 8/1610:47 amSEA - LAX
Nonstop2h 52mFrontier
Deal found 6/16$132
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/96:00 amLAX - SEA
1 stop10h 25mMultiple Airlines
Fri 7/1110:50 amSEA - LAX
Nonstop2h 52mMultiple Airlines
Deal found 6/17$135
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/96:00 amLAX - SEA
1 stop10h 25mSpirit Airlines
Wed 7/165:30 pmSEA - LAX
1 stop5h 20mSpirit Airlines
Deal found 6/17$140
This Southwest deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/167:00 pmLAX - SEA
1 stop4h 10mSouthwest
Sat 8/238:10 amSEA - LAX
1 stop4h 40mSouthwest
Deal found 6/16$168
This Hawaiian Airlines deal was found by Cheapflights users on 6/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:15 pmLAX - SEA
Nonstop2h 44mHawaiian Airlines
Sat 8/165:59 pmSEA - LAX
Nonstop2h 51mHawaiian Airlines
Deal found 6/15$177
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/84:15 pmLAX - SEA
1 stop4h 41mUnited Airlines
Tue 7/296:45 amSEA - LAX
Nonstop2h 55mUnited Airlines
Deal found 6/16$183
This Delta deal was found by Cheapflights users on 6/16. 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 8/135:25 pmLAX - SEA
Nonstop2h 43mDelta
Sun 8/177:10 amSEA - LAX
Nonstop2h 54mDelta
Deal found 6/16$187
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
Thu 8/147:25 pmLAX - SEA
Nonstop2h 45mAlaska Airlines
Sat 8/168:55 amSEA - LAX
1 stop4h 05mAlaska Airlines
Deal found 6/15$197
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/36:50 pmLAX - SEA
Nonstop2h 54mAmerican Airlines
Wed 8/67:45 amSEA - LAX
Nonstop2h 59mAmerican Airlines
Deal found 6/17$227

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 June 18, 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

Mon 8/11

8:33 am-11:24 am

Nonstop2h 51m

Seattle/Tacoma Intl

Sat 8/16

10:47 am-1:39 pm

Nonstop2h 52m

$132

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 7/9

6:00 am-4:25 pm

1 stop10h 25m

Seattle/Tacoma Intl

Fri 7/11

10:50 am-1:42 pm

Nonstop2h 52m

$135

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 7/9

6:00 am-4:25 pm

1 stop10h 25m

Seattle/Tacoma Intl

Wed 7/16

5:30 pm-10:50 pm

1 stop5h 20m

$138

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 8/16

7:00 pm-11:10 pm

1 stop4h 10m

Seattle/Tacoma Intl

Sat 8/23

8:10 am-12:50 pm

1 stop4h 40m

$168

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 8/27

5:25 pm-8:08 pm

Nonstop2h 43m

Seattle/Tacoma Intl

Sat 8/30

2:50 pm-5:36 pm

Nonstop2h 46m

$177

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 7/8

4:15 pm-8:56 pm

1 stop4h 41m

Seattle/Tacoma Intl

Tue 7/29

6:45 am-9:40 am

Nonstop2h 55m

$183

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 8/27

10:06 am-2:56 pm

1 stop4h 50m

Seattle/Tacoma Intl

Tue 9/16

7:00 am-10:51 am

1 stop3h 51m

$196

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 7/9

9:05 am-2:25 pm

1 stop5h 20m

Seattle/Tacoma Intl

Wed 7/9

6:09 pm-9:00 pm

Nonstop2h 51m

$201

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sun 8/3

6:50 pm-9:44 pm

Nonstop2h 54m

Seattle/Tacoma Intl

Wed 8/6

2:32 pm-5:30 pm

Nonstop2h 58m

$227

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sun 8/31

4:48 pm-9:36 pm

1 stop4h 48m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 18 results
1
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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 13, 2025.

Booking 58 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 $390). 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 June 18, 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 June 15, 2025.

Travelers seeking maximum savings on their Pasadena to Seattle flight should consider departing on Saturday at noon 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 June 18, 2025.

The most flights from P4S to SEA are scheduled on a Monday (127 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (52 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 18, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Pasadena to Seattle have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

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

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

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
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

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
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

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
2,507 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

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
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.1

Food

7.1

Comfort

7.8

Crew

8.5

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 88 inbound flights from Pasadena per day.

  • How popular is this Pasadena to Seattle flight route?

    Within the past month, 331 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 Hawaiian Airlines, with whom users have recently found tickets for as low as $80. However, be on the lookout for offers from Spirit Airlines and Frontier, 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 KLM (98%), WestJet (96%) or Air France (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 $85. On average you can expect to pay $754. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for $117.

  • 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 $390). 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
Lacey
Ocean Shores
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Cle Elum
Centralia
Kent
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pasadena to Seattle

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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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$41Average$133FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$139FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$264FlexibilityNo cancel feeOn-time85%
DeltaCheapest$115Average$274FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$137Average$260FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$150Average$278FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$153Average$339FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$157Average$333FlexibilityNo cancel feeOn-time71%

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