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$68+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from California to Seattle

Keep the following information in mind while searching for California to Seattle flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$90
(Trip.com)

One-way from

$68
(Cheapflightsfares)

Popular in

July

Cheapest in

January

Average price

$237

Good round-trip deal

$181 or less

Good one-way deal

$108 or less
From California to Seattle/Tacoma Intl
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One-way flight from California to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 15% potential increase in price ($37 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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Price to beat on a round-trip flight from California to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from California to Seattle/Tacoma Intl.
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Find 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 septiembre 15, 2025.

This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/912:18 pmLAS - SEA
Nonstop2h 58mFrontier
dom. 10/127:28 pmSEA - LAS
Nonstop2h 38mFrontier
Deal found 9/13$90
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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.
jue. 10/212:32 pmLAS - SEA
Nonstop2h 59mFrontier
lun. 10/61:47 pmSEA - LAS
Nonstop2h 42mFrontier
Deal found 9/12$101
This Priceline deal was found by Cheapflights users on 9/12. 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.
jue. 10/212:32 pmLAS - SEA
Nonstop2h 59mFrontier
dom. 10/51:22 pmSEA - LAS
Nonstop2h 42mFrontier
Deal found 9/12$102
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/303:29 pmLAS - SEA
Nonstop3h 03mFrontier
jue. 11/67:17 pmSEA - LAS
Nonstop2h 38mFrontier
Deal found 9/15$109
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/83:29 pmLAS - SEA
Nonstop3h 03mMultiple Airlines
mié. 11/126:25 pmSEA - LAS
Nonstop2h 35mMultiple Airlines
Deal found 9/15$111
This Priceline deal was found by Cheapflights users on 9/13. 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.
vie. 10/1712:18 pmLAS - SEA
Nonstop2h 58mFrontier
dom. 10/194:11 pmSEA - LAS
1 stop4h 36mFrontier
Deal found 9/13$112
This Flightnetwork deal was found by Cheapflights users on 9/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/97:08 amLAS - SEA
1 stop24h 25mFrontier
lun. 10/136:39 pmSEA - LAS
Nonstop2h 43mFrontier
Deal found 9/13$115
This Frontier deal was found by Cheapflights users on 9/14. 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.
dom. 11/98:02 amONT - SEA
Nonstop2h 53mFrontier
lun. 11/107:17 pmSEA - ONT
Nonstop2h 41mFrontier
Deal found 9/14$121
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
lun. 11/108:02 amONT - SEA
Nonstop2h 53mFrontier
lun. 11/107:17 pmSEA - ONT
Nonstop2h 41mFrontier
Deal found 9/12$122
This CheapOair deal was found by Cheapflights users on 9/13. 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.
jue. 9/256:00 amONT - SEA
1 stop9h 31mFrontier
vie. 9/2612:30 pmSEA - ONT
Nonstop2h 48mFrontier
Deal found 9/13$123
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
lun. 11/108:02 amONT - SEA
Nonstop2h 53mFrontier
sáb. 11/1512:58 pmSEA - ONT
1 stop10h 52mFrontier
Deal found 9/12$124
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/38:43 amONT - SEA
Nonstop2h 58mFrontier
vie. 10/178:28 amSEA - ONT
Nonstop2h 40mFrontier
Deal found 9/15$125

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 septiembre 15, 2025.
Use the filters below to find and compare flights from California to Seattle that are best for you.

Fly from

California

Fly to

Seattle

Route

Depart

Return

Price

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mar. 10/21

8:10 pm-10:55 pm

Nonstop2h 45m

Seattle/Tacoma Intl

sáb. 10/25

7:45 am-10:25 am

Nonstop2h 40m

$118

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mié. 12/10

11:52 am-2:50 pm

Nonstop2h 58m

Seattle/Tacoma Intl

mié. 12/10

5:06 pm-7:36 pm

Nonstop2h 30m

$131

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mié. 12/3

1:52 pm-4:46 pm

Nonstop2h 54m

Seattle/Tacoma Intl

mié. 12/3

8:18 pm-10:53 pm

Nonstop2h 35m

$131

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

jue. 10/30

1:50 pm-4:41 pm

Nonstop2h 51m

Seattle/Tacoma Intl

mar. 11/4

12:00 pm-2:39 pm

Nonstop2h 39m

$133

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

jue. 10/23

9:15 pm-12:05 am

Nonstop2h 50m

Seattle/Tacoma Intl

lun. 10/27

6:15 am-12:20 pm

2 stops6h 05m

$134

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

jue. 11/13

4:50 pm-11:10 pm

2 stops6h 20m

Seattle/Tacoma Intl

lun. 11/17

7:05 am-9:35 am

Nonstop2h 30m

$134

SacramentoSeattle

SMF - SEA

SMFSEA

Sacramento Intl

jue. 11/27

1:25 pm-3:35 pm

Nonstop2h 10m

Seattle/Tacoma Intl

mar. 12/2

9:45 pm-11:48 pm

Nonstop2h 03m

$135

SacramentoSeattle

SMF - SEA

SMFSEA

Sacramento Intl

jue. 11/27

8:10 am-3:00 pm

1 stop6h 50m

Seattle/Tacoma Intl

mar. 12/2

6:15 am-8:10 am

Nonstop1h 55m

$136

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mar. 12/16

2:10 pm-4:54 pm

Nonstop2h 44m

Seattle/Tacoma Intl

mié. 12/31

11:45 am-2:21 pm

Nonstop2h 36m

$137

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

mar. 10/14

7:10 pm-10:00 pm

Nonstop2h 50m

Seattle/Tacoma Intl

mar. 10/21

7:10 am-9:47 am

Nonstop2h 37m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from California to Seattle (average of $238). Flying from California to Seattle in June is currently the most expensive (average of $387). 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 septiembre 15, 2025.

When flying from California 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.

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 septiembre 15, 2025.

The most flights from USCA to SEA are scheduled on a Monday (128 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (81 on average).

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 317 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 Southwest, Alaska Airlines, and Delta fly from California to Seattle in about 2h 45m. The time it takes to get you to your destination is usually consistent. The distance from California to Seattle is about 866 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 Southwest, which is currently one of the cheapest options available, starting at $69. Delta flights start at $69 while deals on Alaska Airlines start at $69 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, Ontario - Seattle/Tacoma Intl and San Francisco - 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: SAUDIA (96%), EL AL (93%), Finnair (92%).

  • What are the cheapest flights from California to Seattle?

    On average you can expect to pay $529 for a flight from California to Seattle. The cheapest flight overall is $77 while the most popular route, (Los Angeles - Seattle/Tacoma Intl) is currently priced at $84.

  • 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, January is the cheapest month in which you can book a flight from California to Seattle (average of $238). Flying from California to Seattle in June is currently the most expensive (average of $387). 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
Renton
Lacey
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 California to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from California to Seattle

Discover the top 8 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$203FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$64Average$178FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$265FlexibilityNo cancel feeOn-time85%
DeltaCheapest$111Average$248FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$113Average$372FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$118Average$320FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$133Average$273FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$135Average$263FlexibilityNo cancel feeOn-time63%

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