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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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Oct 10 — Oct 171
Fri 10/10
Fri 10/17
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 Thursday

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 September 10, 2025.

Round-trip from

$147
(CheapOair)

One-way from

$87
(Vakatrip)

Popular in

July

Cheapest in

January

Average price

$198
From Pasadena to Seattle/Tacoma Intl
Search Deals
One-way flight from Pasadena to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 10, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:45 pmLAX - SEA
Nonstop2h 51mFrontier
Sun 10/58:35 pmSEA - LAX
1 stop11h 10mFrontier
Deal found 9/10$146
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.
Sat 9/279:08 pmLAX - SEA
Nonstop2h 51mFrontier
Wed 10/17:00 amSEA - LAX
1 stop17h 27mFrontier
Deal found 9/10$147
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:33 amLAX - SEA
Nonstop2h 57mFrontier
Tue 11/253:15 pmSEA - LAX
Nonstop2h 45mFrontier
Deal found 9/8$148
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.
Sun 10/59:02 amLAX - SEA
1 stop27h 50mFrontier
Wed 10/81:02 pmSEA - LAX
Nonstop2h 49mFrontier
Deal found 9/10$149
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/254:45 pmLAX - SEA
Nonstop2h 51mFrontier
Sat 10/49:39 pmSEA - LAX
Nonstop2h 50mFrontier
Deal found 9/8$150
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:52 pmLAX - SEA
Nonstop2h 56mFrontier
Wed 10/158:43 pmSEA - LAX
1 stop10h 52mFrontier
Deal found 9/10$151
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.
Thu 9/252:03 pmLAX - SEA
1 stop10h 27mFrontier
Sat 9/279:39 pmSEA - LAX
Nonstop2h 50mFrontier
Deal found 9/9$152
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.
Fri 10/34:45 pmLAX - SEA
Nonstop2h 51mMultiple Airlines
Wed 10/85:21 amSEA - LAX
1 stop4h 09mMultiple Airlines
Deal found 9/10$153
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:37 pmLAX - SEA
1 stop9h 22mFrontier
Mon 10/61:47 pmSEA - LAX
1 stop6h 05mFrontier
Deal found 9/10$154
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/254:45 pmLAX - SEA
Nonstop2h 51mFrontier
Wed 10/81:02 pmSEA - LAX
Nonstop2h 49mFrontier
Deal found 9/8$155
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:52 pmLAX - SEA
Nonstop2h 56mFrontier
Thu 10/161:02 pmSEA - LAX
1 stop11h 23mFrontier
Deal found 9/10$156
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 9/161:37 pmLAX - SEA
1 stop9h 22mFrontier
Wed 9/247:00 amSEA - LAX
1 stop17h 27mFrontier
Deal found 9/9$157

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 September 10, 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 11/15

6:40 am-11:20 am

1 stop4h 40m

Seattle/Tacoma Intl

Tue 11/18

9:35 am-6:20 pm

2 stops8h 45m

$157

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 10/25

1:15 pm-8:35 pm

1 stop7h 20m

Seattle/Tacoma Intl

Tue 10/28

12:50 pm-6:45 pm

2 stops5h 55m

$167

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 10/25

6:58 pm-9:53 pm

Nonstop2h 55m

Seattle/Tacoma Intl

Wed 10/29

9:04 am-12:03 pm

Nonstop2h 59m

$168

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 10/7

5:35 pm-10:00 pm

1 stop4h 25m

Seattle/Tacoma Intl

Sun 10/12

7:10 am-12:30 pm

1 stop5h 20m

$175

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 10/9

6:58 pm-9:53 pm

Nonstop2h 55m

Seattle/Tacoma Intl

Sat 10/11

6:35 am-9:20 am

Nonstop2h 45m

$177

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 11/8

7:00 am-10:01 am

Nonstop3h 01m

Seattle/Tacoma Intl

Sat 11/8

12:30 pm-6:08 pm

1 stop5h 38m

$181

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sun 11/16

8:20 am-2:30 pm

1 stop6h 10m

Seattle/Tacoma Intl

Wed 11/19

9:35 am-6:20 pm

2 stops8h 45m

$190

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 11/12

11:43 am-2:44 pm

Nonstop3h 01m

Seattle/Tacoma Intl

Sat 11/15

12:20 pm-3:10 pm

Nonstop2h 50m

$197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 10/22

7:00 am-10:03 am

Nonstop3h 03m

Seattle/Tacoma Intl

Wed 10/29

2:10 pm-4:50 pm

Nonstop2h 40m

$197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 11/5

5:55 pm-8:50 pm

Nonstop2h 55m

Seattle/Tacoma Intl

Tue 11/11

2:11 pm-4:54 pm

Nonstop2h 43m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 24 results
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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 August 29, 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 $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 September 10, 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 September 7, 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 September 10, 2025.

The most flights from P4S to SEA are scheduled on a Tuesday (110 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 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 September 10, 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
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

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

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

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
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

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
8,937 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

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
8,024 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

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
3,181 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

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 69 inbound flights from Pasadena per day.

  • How popular is this Pasadena to Seattle flight route?

    Within the past month, 317 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 55m. Fly via Southwest or United Airlines to get the fastest option. The distance from Pasadena to Seattle is about 954 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Alaska 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 SAUDIA (96%), EL AL (93%) or Finnair (92%) 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 $77. On average you can expect to pay $529. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for $67.

  • 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 Seattle?

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

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 September 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$170FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$65Average$183FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$279FlexibilityNo cancel feeOn-time85%
DeltaCheapest$117Average$276FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$138Average$273FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$148Average$270FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$158Average$348FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$163Average$351FlexibilityNo cancel feeOn-time71%

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