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$44+ Cheap flights from California 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Apr 29 — May 61
Wed 4/29
Wed 5/6
1 adult, Economy
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Cheap flight deals from California to Seattle

Cheapest flights from California to Seattle
Explore the most affordable flight options available from California to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 30, 2026.

This Super.com deal was found by Cheapflights users on 3/25. 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.
Sat 4/252:45 pm
LAX
-
SEA
Nonstop2h 57m
Frontier
Sat 5/210:57 am
SEA
-
LAX
Nonstop2h 48m
Frontier
Deal found 3/25$87
This CheapOair deal was found by Cheapflights users on 3/29. 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.
Thu 5/73:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Sun 5/1011:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 3/29$88
This Frontier deal was found by Cheapflights users on 3/26. 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 5/12:55 pm
LAX
-
SEA
Nonstop2h 57m
Frontier
Mon 5/410:57 am
SEA
-
LAX
Nonstop2h 48m
Frontier
Deal found 3/26$89
This Jetabroad deal was found by Cheapflights users on 3/29. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:45 pm
LAX
-
SEA
Nonstop2h 57m
Frontier
Mon 5/410:57 am
SEA
-
LAX
Nonstop2h 48m
Frontier
Deal found 3/29$90
This Jetabroad deal was found by Cheapflights users on 3/29. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:45 pm
LAX
-
SEA
Nonstop2h 57m
Frontier
Sat 5/911:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 3/29$93
This Jetabroad deal was found by Cheapflights users on 3/29. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Mon 5/1811:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 3/29$94
This Super.com deal was found by Cheapflights users on 3/30. 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 5/15:53 pm
LAS
-
SEA
Nonstop2h 58m
Frontier
Mon 5/49:19 pm
SEA
-
LAS
Nonstop2h 40m
Frontier
Deal found 3/30$96
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 3/29$96
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 4/1712:59 am
LAS
-
SEA
1 stop8h 28m
Frontier
Mon 4/208:45 pm
SEA
-
LAS
Nonstop2h 34m
Frontier
Deal found 3/27$97
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 5/73:15 pm
LAX
-
SEA
Nonstop3h 20m
Frontier
Sat 5/911:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 3/30$97
This Frontier deal was found by Cheapflights users on 3/30. 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 5/92:24 pm
LAX
-
SEA
Nonstop3h 13m
Frontier
Mon 5/1811:06 am
SEA
-
LAX
Nonstop2h 57m
Frontier
Deal found 3/30$98
This Frontier deal was found by Cheapflights users on 3/25. 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 4/164:22 pm
LAS
-
SEA
Nonstop2h 58m
Frontier
Sun 4/197:12 pm
SEA
-
LAS
1 stop20h 30m
Frontier
Deal found 3/25$100

Find flight deals from California to Seattle

Keep the following information in mind while searching for California to Seattle flight deals. Data was last updated March 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$87
(Super.com)

One-way from

$44
(Super.com)

Popular in

June

Cheapest in

March

Average price

$191

Good round-trip deal

$133 or less

Good one-way deal

$140 or less
Provider with most accurate pricing for Los Angeles-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Seattle/Tacoma Intl flights.
Search Deals
From California to Seattle/Tacoma Intl
Search Deals
One-way flight from California to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from California to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from California to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 March 30, 2026.
Use the filters below to find and compare flights from California to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 5/1

10:35 pm-1:12 am

Nonstop2h 37m

Seattle/Tacoma Intl

Sun 5/3

7:08 am-9:26 am

Nonstop2h 18m

$153

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 4/22

6:20 am-8:40 am

Nonstop2h 20m

Seattle/Tacoma Intl

Wed 4/29

6:25 pm-8:40 pm

Nonstop2h 15m

$165

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Mon 5/11

6:02 am-8:45 am

Nonstop2h 43m

Seattle/Tacoma Intl

Mon 5/18

7:15 am-9:52 am

Nonstop2h 37m

$177

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Sat 4/25

6:00 am-8:46 am

Nonstop2h 46m

Seattle/Tacoma Intl

Sat 5/2

1:30 pm-4:03 pm

Nonstop2h 33m

$177

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 4/29

7:14 pm-10:05 pm

Nonstop2h 51m

Seattle/Tacoma Intl

Sun 5/3

12:53 pm-3:27 pm

Nonstop2h 34m

$177

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Wed 5/13

3:40 pm-6:30 pm

Nonstop2h 50m

Seattle/Tacoma Intl

Wed 5/20

12:10 pm-7:50 pm

1 stop7h 40m

$187
Quickest round-trip

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Thu 4/30

9:00 pm-11:05 pm

Nonstop2h 05m

Seattle/Tacoma Intl

Mon 5/4

7:20 am-9:35 am

Nonstop2h 15m

$188

SacramentoSeattle

SMF - SEA

SMFSEA

Sacramento Intl

Wed 4/29

5:45 am-7:45 am

Nonstop2h 00m

Seattle/Tacoma Intl

Wed 5/6

9:20 am-4:40 pm

2 stops7h 20m

$192

SacramentoSeattle

SMF - SEA

SMFSEA

Sacramento Intl

Thu 4/23

8:30 pm-10:30 pm

Nonstop2h 00m

Seattle/Tacoma Intl

Tue 4/28

9:20 am-5:10 pm

2 stops7h 50m

$192

BurbankSeattle

BUR - SEA

BURSEA

Burbank Bob Hope

Wed 5/13

4:50 pm-10:55 pm

1 stop6h 05m

Seattle/Tacoma Intl

Mon 5/18

7:20 am-12:10 pm

1 stop4h 50m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from California to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from California 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 California to Seattle

What is the cheapest month to book a flight from California to Seattle?

Currently, March is the cheapest month in which you can book a flight from California to Seattle (average of $56). Flying from California to Seattle in July is currently the most expensive (average of $131). 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 CA to SEA?

Find hourly flight availability from California 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 March 30, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 10% on flights from California to Seattle by exploring options for tickets in the evening.

What is the cheapest day to fly from California to Seattle?

Use this chart to determine the cheapest time to fly round-trip from California to Seattle. Price data was last updated on March 28, 2026.

Travelers seeking maximum savings on their California to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from California to Seattle

Explore weekly flight availability from California 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 March 30, 2026.

The most flights from USCA to SEA are scheduled on a Monday (111 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (61 on average).

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

Related info for your journey

Find useful and relevant information for your journey from California 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 California?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from California. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How popular is this California to Seattle flight route?

    The California to Seattle/Tacoma Intl flight path was viewed by 311 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from California to Seattle?

    Airlines like United Airlines, Southwest, and Delta fly from California to Seattle in about 2h 20m. The time it takes to get you to your destination is usually consistent. The distance from California to Seattle is about 697 mi. Generally, flights for this route are nonstop.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $33. Spirit Airlines flights start at $44 while deals on Alaska Airlines start at $58 one-way.

  • What are the most popular routes from California to Seattle?

    The most popular flight routes from California to Seattle are Los Angeles - Seattle/Tacoma Intl, San Francisco - Seattle/Tacoma Intl and Ontario - Seattle/Tacoma Intl.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from California to Seattle on time: Air China (100%), SAUDIA (100%), Frontier (95%).

  • What are the cheapest flights from California to Seattle?

    On average you can expect to pay $805 for a flight from California to Seattle. The cheapest flight overall is $57 while the most popular route, (Los Angeles - Seattle/Tacoma Intl) is currently priced at $65.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California 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 California to Seattle?

    Currently, March is the cheapest month in which you can book a flight from California to Seattle (average of $56). Flying from California to Seattle in July is currently the most expensive (average of $131). 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
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Los Angeles to Seattle flights
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John F Kennedy Intl to Portland flights
Kansas City to Seattle flights
San Francisco to Portland flights
O'Hare Intl to Portland flights
Fort Lauderdale to Seattle flights
Love Field to Seattle flights
Honolulu to Seattle flights
Denver to Portland flights
Cleveland to Seattle flights
St. Louis to Seattle flights
Dallas/Fort Worth to Portland flights
Oakland to Seattle flights
Dulles Intl to Portland flights
Sacramento to Seattle flights
Los Angeles to Everett flights
Boston to Portland flights

Top 9 airlines flying from California to Seattle

Discover the top 9 airlines that operate flights from California 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 March 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$205FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$67Average$220FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$82Average$263FlexibilityNo cancel feeOn-time85%
DeltaCheapest$84Average$235FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$99Average$276FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$109Average$268FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$117Average$315FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$148Average$309FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$177Average$421FlexibilityNo cancel feeOn-time71%

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