Seattle

$52+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
May 7 — May 141
We work with more than 300 partners to bring you better travel deals

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 May or March, booked 61 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap 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 April 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Fri 5/2911:21 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 4/7$95
This Kiwi.com deal was found by Cheapflights users on 4/3. 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.
Mon 5/113:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Mon 5/1811:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 4/3$96
This Super.com deal was found by Cheapflights users on 4/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Mon 5/1111:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 4/6$97
This Frontier deal was found by Cheapflights users on 4/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Thu 5/711:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 4/5$98
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/293:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Sat 5/3011:21 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 4/3$100
This CheapOair deal was found by Cheapflights users on 4/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:17 pm
LAX
-
SEA
1 stop17h 10m
Frontier
Thu 4/3010:57 am
SEA
-
LAX
Nonstop2h 48m
Frontier
Deal found 4/6$103
This Super.com deal was found by Cheapflights users on 4/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:11 pm
LAX
-
SEA
1 stop26h 41m
Frontier
Sat 5/210:57 am
SEA
-
LAX
Nonstop2h 48m
Frontier
Deal found 4/5$104
This Lucky2Go deal was found by Cheapflights users on 4/6. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/73:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Mon 5/117:50 pm
SEA
-
LAX
1 stop28h 26m
Frontier
Deal found 4/6$105
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Tue 5/2611:21 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 4/7$106
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Mon 5/1811:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 4/5$107
This Super.com deal was found by Cheapflights users on 4/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Sun 5/1011:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 4/5$108
This CheapOair deal was found by Cheapflights users on 4/3. 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 4/256:15 am
LAX
-
SEA
1 stop27h 12m
Frontier
Sat 5/210:57 am
SEA
-
LAX
Nonstop2h 48m
Frontier
Deal found 4/3$109

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 April 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$96
(Kiwi.com)

One-way from

$52
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$228
Provider with most accurate pricing for Los Angeles Los Angeles-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Seattle/Tacoma Intl flights.
From Pasadena to Seattle/Tacoma Intl
One-way flight from Pasadena to Seattle/Tacoma Intl
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 7, 2026.
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

Cheapest round-trip
Quickest round-trip

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 4/25

9:45 am-12:37 pm

Nonstop2h 52m

Seattle/Tacoma Intl

Sat 5/9

6:05 pm-8:50 pm

Nonstop2h 45m

$177

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 5/2

6:55 pm-9:58 pm

Nonstop3h 03m

Seattle/Tacoma Intl

Mon 5/4

6:58 pm-9:43 pm

Nonstop2h 45m

$187

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 5/9

7:45 am-10:42 am

Nonstop2h 57m

Seattle/Tacoma Intl

Mon 5/18

8:00 am-10:56 am

Nonstop2h 56m

$187

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Mon 5/18

7:00 am-10:00 am

Nonstop3h 00m

Seattle/Tacoma Intl

Thu 5/28

6:00 am-8:45 am

Nonstop2h 45m

$197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Thu 4/23

7:00 am-9:53 am

Nonstop2h 53m

Seattle/Tacoma Intl

Mon 4/27

7:35 am-10:25 am

Nonstop2h 50m

$200

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 5/16

6:15 pm-10:30 pm

1 stop4h 15m

Seattle/Tacoma Intl

Mon 5/18

7:20 am-2:50 pm

1 stop7h 30m

$207

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Fri 5/1

6:40 pm-11:05 pm

1 stop4h 25m

Seattle/Tacoma Intl

Sat 5/2

6:40 am-4:25 pm

2 stops9h 45m

$212

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Sat 5/9

12:50 pm-10:00 pm

2 stops9h 10m

Seattle/Tacoma Intl

Mon 5/11

6:30 am-12:35 pm

1 stop6h 05m

$212

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Thu 5/28

6:40 pm-11:05 pm

1 stop4h 25m

Seattle/Tacoma Intl

Mon 6/8

7:30 am-1:30 pm

1 stop6h 00m

$217

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles Los Angeles

Thu 4/23

3:25 pm-10:30 pm

2 stops7h 05m

Seattle/Tacoma Intl

Mon 4/27

7:20 am-2:50 pm

1 stop7h 30m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 April 3, 2026.

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, March is the cheapest month in which you can book a flight from Pasadena to Seattle (average of $56). Flying from Pasadena to Seattle in July is currently the most expensive (average of $143). 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 April 7, 2026.

A simple way to save on the total cost of your ticket is to fly from Pasadena to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the morning.

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 April 4, 2026.

Travelers seeking maximum savings on their Pasadena to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday 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 April 7, 2026.

The most flights from P4S to SEA are scheduled on a Monday (105 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (42 on average).

How much does it cost to fly round-trip from Pasadena to Seattle?

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 April 7, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian 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.

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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. 9 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 72 inbound flights from Pasadena per day.

  • How popular is this Pasadena to Seattle flight route?

  • How long is the flight from Pasadena to Seattle?

    There are many flights that can get you from Pasadena to Seattle in 2h 52m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. The distance from Pasadena to Seattle is about 954 mi. Most flights are nonstop.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $33. However, be on the lookout for offers from Spirit Airlines and United 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 Air China (100%), Horizon Air (100%) or ITA Airways (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 $70. On average you can expect to pay $592. The most popular route, (Los Angeles Los Angeles - Seattle/Tacoma Intl), can usually be booked for $72.

  • 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, March is the cheapest month in which you can book a flight from Pasadena to Seattle (average of $56). Flying from Pasadena to Seattle in July is currently the most expensive (average of $143). 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
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

Browse 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 9 airlines flying from Pasadena to Seattle

Discover the top 9 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 April 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$182FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$79Average$190FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$91Average$267FlexibilityNo cancel feeOn-time85%
DeltaCheapest$99Average$247FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$139Average$292FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$146Average$257FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$156Average$302FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$177Average$351FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$196Average$320FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.