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$68+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Pasadena to Seattle/Tacoma Intl are usually found in January or February, booked 58 days in advance, depart on a Friday or Saturday 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 October 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$122
(Kiwi.com)

One-way from

$68
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$237
Provider with most accurate pricing for Los Angeles-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Seattle/Tacoma Intl flights.
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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. 13% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 2025.

This Frontier deal was found by Cheapflights users on 10/27. 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 11/2011:40 amLAX - SEA
Nonstop2h 57mFrontier
Sun 11/233:22 pmSEA - LAX
Nonstop2h 45mFrontier
Deal found 10/27$122
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/216:00 amLAX - SEA
1 stop7h 22mMultiple Airlines
Mon 11/243:22 pmSEA - LAX
Nonstop2h 45mMultiple Airlines
Deal found 10/28$123
This Expedia deal was found by Cheapflights users on 10/27. 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 12/32:32 pmLAX - SEA
Nonstop2h 56mMultiple Airlines
Thu 1/16:00 amSEA - LAX
Nonstop2h 46mMultiple Airlines
Deal found 10/27$124
This Priceline deal was found by Cheapflights users on 10/27. 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.
Thu 11/134:41 pmLAX - SEA
Nonstop2h 56mFrontier
Tue 11/181:37 pmSEA - LAX
1 stop10h 48mFrontier
Deal found 10/27$125
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/149:04 amLAX - SEA
1 stop9h 28mMultiple Airlines
Sun 11/169:03 amSEA - LAX
Nonstop2h 49mMultiple Airlines
Deal found 10/27$126
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/259:58 pmLAX - SEA
1 stop12h 13mFrontier
Tue 1/62:36 pmSEA - LAX
1 stop6h 29mFrontier
Deal found 10/26$127
This Frontier deal was found by Cheapflights users on 10/27. 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.
Fri 12/269:36 pmLAX - SEA
Nonstop3h 06mFrontier
Fri 1/26:15 amSEA - LAX
Nonstop2h 46mFrontier
Deal found 10/27$128
This CheapOair deal was found by Cheapflights users on 10/26. 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 11/154:41 pmLAX - SEA
Nonstop2h 56mFrontier
Sun 11/1612:58 pmSEA - LAX
1 stop20h 28mFrontier
Deal found 10/26$129
This Frontier deal was found by Cheapflights users on 10/26. 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.
Fri 12/510:24 amLAX - SEA
Nonstop3h 06mFrontier
Sun 12/712:48 pmSEA - LAX
1 stop11h 41mFrontier
Deal found 10/26$130
This Priceline deal was found by Cheapflights users on 10/26. 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.
Thu 11/134:41 pmLAX - SEA
Nonstop2h 56mFrontier
Thu 11/203:22 pmSEA - LAX
Nonstop2h 45mFrontier
Deal found 10/26$131
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/61:07 pmLAX - SEA
1 stop22h 46mFrontier
Sun 12/76:18 pmSEA - LAX
1 stop25h 47mFrontier
Deal found 10/26$132
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/1411:56 amLAX - SEA
1 stop6h 36mFrontier
Sat 11/159:08 amSEA - LAX
Nonstop2h 49mFrontier
Deal found 10/28$133

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 October 28, 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

Sat 12/6

7:00 pm-9:59 pm

Nonstop2h 59m

Seattle/Tacoma Intl

Sat 12/13

5:59 pm-8:46 pm

Nonstop2h 47m

$157

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 11/22

7:59 pm-10:59 pm

Nonstop3h 00m

Seattle/Tacoma Intl

Wed 12/3

10:25 am-1:15 pm

Nonstop2h 50m

$177

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 1/16

7:20 am-10:18 am

Nonstop2h 58m

Seattle/Tacoma Intl

Mon 1/19

2:02 pm-4:38 pm

Nonstop2h 36m

$177

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 1/24

1:15 pm-4:29 pm

Nonstop3h 14m

Seattle/Tacoma Intl

Mon 1/26

7:30 pm-12:34 am

1 stop5h 04m

$178

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 12/8

7:25 am-11:35 am

1 stop4h 10m

Seattle/Tacoma Intl

Wed 12/10

12:10 pm-4:30 pm

1 stop4h 20m

$178

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 12/10

6:52 pm-12:50 am

1 stop5h 58m

Seattle/Tacoma Intl

Wed 12/17

12:36 pm-3:35 pm

Nonstop2h 59m

$187

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 12/19

6:50 pm-12:55 am

1 stop6h 05m

Seattle/Tacoma Intl

Thu 1/1

8:10 am-12:20 pm

1 stop4h 10m

$188

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 12/5

1:55 pm-6:55 pm

1 stop5h 00m

Seattle/Tacoma Intl

Wed 12/10

6:26 pm-11:23 am

1 stop16h 57m

$193

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 12/20

6:35 pm-1:00 am

1 stop6h 25m

Seattle/Tacoma Intl

Wed 1/14

11:20 am-3:15 pm

1 stop3h 55m

$203

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Mon 11/24

10:53 pm-8:51 am

1 stop9h 58m

Seattle/Tacoma Intl

Tue 12/9

12:45 pm-8:09 pm

1 stop7h 24m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 19 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 October 24, 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 $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 October 28, 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 4% 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 October 26, 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. Monday at noon 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 October 28, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
11,205 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,205 reviews
Alaska Airlines
8.0
Very good
11,205 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
7.9
Good
7,994 reviews
Alaska Airlines
8.0
Very good
11,205 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
9,001 reviews
Alaska Airlines
8.0
Very good
11,205 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Spirit Airlines
6.3
Okay
8,117 reviews
Alaska Airlines
8.0
Very good
11,205 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,124 reviews
Alaska Airlines
8.0
Very good
11,205 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 62 inbound flights from Pasadena per day.

  • How popular is this Pasadena to Seattle flight route?

    Within the past month, 325 users have taken a look at flights from Pasadena to Seattle/Tacoma Intl.

  • How long is the flight from Pasadena to Seattle?

    There are many flights that can get you from Pasadena to Seattle in 2h 59m. Fly via Alaska Airlines, Delta, or United Airlines to get the fastest option. The distance from Pasadena to Seattle is about 954 mi. Most flights are nonstop.

  • 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 SAUDIA (100%), Aer Lingus (100%) or Horizon Air (100%) 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 $66. On average you can expect to pay $739. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for $48.

  • 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 $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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$50Average$172FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$72Average$188FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$278FlexibilityNo cancel feeOn-time85%
DeltaCheapest$119Average$260FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$138Average$261FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$148Average$275FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$167Average$312FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$177Average$359FlexibilityNo cancel feeOn-time71%

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