What is the cheapest airline that flies from California to Seattle/Tacoma Intl?

Delta, Southwest, and United Airlines are the most popular carriers operating from California to Seattle/Tacoma Intl

How long does it take to fly to Seattle?

Flight times vary depending on what airport in California you fly out of and what airport in Seattle you fly into. For example, flying from San Francisco to Seattle takes 1h 56m on average. On the other hand, flying from San Jose to Seattle takes 2h 10m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Seattle?

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to Seattle from California according to our data. Alaska Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

How many flights depart from California to Seattle on average per week?

As of February 2026, there are 2,135 flights per week flying from California to Seattle. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

How many flights depart from California to Seattle on average per day?

305 flights are operational daily from California to Seattle as of February 2026. The most popular departure time for this route is 7:00AM, with 53% of flights per day taking off at noon.

When did momondo last update prices for flights from California to Seattle/Tacoma Intl Airport?

Prices for flights from California to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from California to Seattle/Tacoma Intl Airport?

As of February 2026, there are 9 operators available to choose from for flights from California to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from California to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$43 Cheap Flights from California to Seattle in 2026

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Find the cheapest flights from California to Seattle

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:24 pm - 8:20 pm

LAS

SEA

2h 56mnonstop

9:35 pm - 12:09 am

SEA

LAS

2h 34mnonstop

$62Frontier

Thu, Mar 19 - Thu, Mar 26

5:12 pm - 8:08 pm

LAS

SEA

2h 56mnonstop

9:23 pm - 11:57 pm

SEA

LAS

2h 34mnonstop

$67Frontier

Thu, Feb 26 - Sun, Mar 1

5:12 pm - 8:08 pm

LAS

SEA

2h 56mnonstop

8:20 pm - 10:56 pm

SEA

LAS

2h 36mnonstop

$83Multiple Airlines

Thu, Mar 5 - Sun, Mar 8

5:24 pm - 8:20 pm

LAS

SEA

2h 56mnonstop

4:31 pm - 7:05 pm

SEA

LAS

2h 34mnonstop

$87Multiple Airlines

Thu, Mar 12 - Tue, Mar 17

7:00 am - 9:17 am

SFO

SEA

2h 17mnonstop

8:10 pm - 10:27 pm

SEA

SFO

2h 17mnonstop

$135Hawaiian Airlines

Wed, Mar 18 - Wed, Mar 25

7:00 am - 9:17 am

SFO

SEA

2h 17mnonstop

8:10 pm - 10:27 pm

SEA

SFO

2h 17mnonstop

$136Hawaiian Airlines

Wed, Mar 18 - Wed, Mar 25

6:15 am - 8:28 am

OAK

SEA

2h 13mnonstop

9:45 pm - 11:58 pm

SEA

OAK

2h 13mnonstop

$137Alaska Airlines

Tue, Mar 3 - Tue, Mar 10

5:31 pm - 7:40 pm

OAK

SEA

2h 09mnonstop

9:45 pm - 11:58 pm

SEA

OAK

2h 13mnonstop

$142Alaska Airlines

Sat, Mar 14 - Sat, Mar 14

11:45 am - 1:52 pm

SMF

SEA

2h 07mnonstop

3:30 pm - 5:28 pm

SEA

SMF

1h 58mnonstop

$147Delta

Tue, Feb 24 - Tue, Mar 3

5:55 am - 8:13 am

SFO

SEA

2h 18mnonstop

8:30 pm - 10:41 pm

SEA

SFO

2h 11mnonstop

$147Delta

Sat, Feb 28 - Sat, Mar 7

Frontier flights from California to Seattle

Our best Frontier deals on California to Seattle flight tickets

Frontier

Mar 19

LAS5:24 pmLas Vegas Harry Reid Intl

2h 56m

SEA8:20 pmSeattle/Tacoma Intl

Mar 26

SEA9:35 pmSeattle/Tacoma Intl

2h 34m

LAS12:09 amLas Vegas Harry Reid Intl

$62

Frontier

Feb 26

LAS5:12 pmLas Vegas Harry Reid Intl

2h 56m

SEA8:08 pmSeattle/Tacoma Intl

Mar 1

SEA9:23 pmSeattle/Tacoma Intl

2h 34m

LAS11:57 pmLas Vegas Harry Reid Intl

$67

Frontier

Feb 24

LAS8:00 amLas Vegas Harry Reid Intl

2h 54m

SEA10:54 amSeattle/Tacoma Intl

Feb 26

SEA9:23 pmSeattle/Tacoma Intl

2h 34m

LAS11:57 pmLas Vegas Harry Reid Intl

$68

Delta flights from California to Seattle

Our best Delta deals on California to Seattle flight tickets

Delta

Mar 12

LAS6:00 amLas Vegas Harry Reid Intl

2h 44m

SEA8:44 amSeattle/Tacoma Intl

Mar 17

SEA7:15 amSeattle/Tacoma Intl

2h 33m

LAS9:48 amLas Vegas Harry Reid Intl

$117

Delta

Feb 25

LAX7:20 amLos Angeles

2h 57m

SEA10:17 amSeattle/Tacoma Intl

Feb 28

SEA2:00 pmSeattle/Tacoma Intl

2h 35m

LAX4:35 pmLos Angeles

$137

Delta

Feb 24

SMF11:45 amSacramento Intl

2h 07m

SEA1:52 pmSeattle/Tacoma Intl

Mar 3

SEA3:30 pmSeattle/Tacoma Intl

1h 58m

SMF5:28 pmSacramento Intl

$147

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 3/19

5:24 pm-8:20 pm

Nonstop2h 56m

Seattle/Tacoma Intl

Thu 3/26

9:35 pm-12:09 am

Nonstop2h 34m

$62

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 2/26

5:12 pm-8:08 pm

Nonstop2h 56m

Seattle/Tacoma Intl

Sun 3/1

9:23 pm-11:57 pm

Nonstop2h 34m

$67

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 3/5

5:12 pm-8:08 pm

Nonstop2h 56m

Seattle/Tacoma Intl

Sun 3/8

8:20 pm-10:56 pm

Nonstop2h 36m

$83

Las VegasSeattle

LAS - SEA

LASSEA

Las Vegas Harry Reid Intl

Thu 3/12

5:24 pm-8:20 pm

Nonstop2h 56m

Seattle/Tacoma Intl

Tue 3/17

4:31 pm-7:05 pm

Nonstop2h 34m

$87

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 3/18

7:00 am-9:17 am

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 3/25

8:10 pm-10:27 pm

Nonstop2h 17m

$135

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 3/18

7:00 am-9:17 am

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 3/25

8:10 pm-10:27 pm

Nonstop2h 17m

$136

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Tue 3/3

6:15 am-8:28 am

Nonstop2h 13m

Seattle/Tacoma Intl

Tue 3/10

9:45 pm-11:58 pm

Nonstop2h 13m

$137

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Sat 3/14

5:31 pm-7:40 pm

Nonstop2h 09m

Seattle/Tacoma Intl

Sat 3/14

9:45 pm-11:58 pm

Nonstop2h 13m

$142

SacramentoSeattle

SMF - SEA

SMFSEA

Sacramento Intl

Tue 2/24

11:45 am-1:52 pm

Nonstop2h 07m

Seattle/Tacoma Intl

Tue 3/3

3:30 pm-5:28 pm

Nonstop1h 58m

$147

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 2/28

5:55 am-8:13 am

Nonstop2h 18m

Seattle/Tacoma Intl

Sat 3/7

8:30 pm-10:41 pm

Nonstop2h 11m

$147

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from California to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $176. If you don’t want to visit Seattle in March, then you should wait until February to fly from California, when ticket prices are also cheap, with an average price of $177.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from California is on a Friday. momondo users have found tickets for Friday departures for as low as $274. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $377.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from California in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $242 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $343. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest California to Seattle/Tacoma Intl flight route?

Fly from Los Angeles to Seattle/Tacoma Intl for the best California - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $224 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from California for as low as $184 on momondo.

What cabin class options are available on California to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on California to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to Seattle flights?

No. A direct flight is the cheapest option for a flight between California to Seattle.

Cheap California to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Seattle

Best Price Found	$108
Fastest flight time	1h 24m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from California in the past 72 hours is $108. The best round-trip flight deal from California to Seattle found on momondo in the last 72 hours is $125.

The fastest flight from California to Seattle takes 1h 24m

Direct flights go from California to Seattle every day.

There is 1 airport in Seattle. From California there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

When did momondo last update prices for flights from California to Seattle/Tacoma Intl Airport?
Prices for flights from California to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from California to Seattle/Tacoma Intl Airport?
As of February 2026, there are 9 operators available to choose from for flights from California to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from California to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from California to Seattle?
Based on momondo bookings for flights between California and Seattle, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 25.04% of the total bookings. Other popular models include Boeing 737 MAX 8 with 7.49%, Boeing 737-900 Passenger/BBJ3 (winglets) with 6.96%, and Boeing 737-800 with 5.29%.

Best airlines flying from California to Seattle

Compare and see reviews for airlines that fly from California to Seattle with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $45	Free Cancellation	Rating 6.3 8,396 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $57	Free Cancellation	Rating 5.7 3,051 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $88	Free Cancellation	Rating 7.8 2,830 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $88	Free Cancellation	Rating 7.9 8,132 reviews	Search Delta flights
Alaska Airlines	PriceFrom $108	Free Cancellation	Rating 8.0 11,830 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $117	Free Cancellation	Rating 8.0 4,272 reviews	Search Southwest flights
United Airlines	PriceFrom $117	Free Cancellation	Rating 7.4 9,231 reviews	Search United Airlines flights
JetBlue	PriceFrom $148	Free Cancellation	Rating 7.2 2,892 reviews	Search JetBlue flights
American Airlines	PriceFrom $177	Free Cancellation	Rating 7.2 11,212 reviews	Search American Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Redmond

Puyallup

Cle Elum

Tukwila

Lakewood

Federal Way

Westport

Kirkland

Centralia

Fife

Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from California to Seattle?

It is quick and easy to find California to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from California to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from California which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from California to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from California.

I’m not ready to book a flight from California to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from California to Seattle from $43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Seattle departing on 4/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

Filter for what you want

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Find the cheapest flights from California to Seattle

Cheap round-trip flights

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Cheap last minute flights

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Frontier flights from California to Seattle

Our best Frontier deals on California to Seattle flight tickets

Delta flights from California to Seattle

Our best Delta deals on California to Seattle flight tickets

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

See travel insights to Seattle from

How to get the cheapest flight ticket from California to Seattle

What is the cheapest month to fly to Seattle?

What is the cheapest day to depart on your flight to Seattle?

What is the cheapest time of day to depart on your flight to Seattle?

What is the cheapest California to Seattle/Tacoma Intl flight route?

Fly from Los Angeles to Seattle/Tacoma Intl for the best California - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

What cabin class options are available on California to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on California to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on California to Seattle flights?

No. A direct flight is the cheapest option for a flight between California to Seattle.

What is the cheapest airline that flies from California to Seattle/Tacoma Intl?

Delta, Southwest, and United Airlines are the most popular carriers operating from California to Seattle/Tacoma Intl

What airlines fly to Seattle?

How many flights depart from California to Seattle on average per day?

305 flights are operational daily from California to Seattle as of February 2026. The most popular departure time for this route is 7:00AM, with 53% of flights per day taking off at noon.

How many flights depart from California to Seattle on average per week?

As of February 2026, there are 2,135 flights per week flying from California to Seattle. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

How long does it take to fly to Seattle?

Cheap California to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Seattle

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

When did momondo last update prices for flights from California to Seattle/Tacoma Intl Airport?

How many operators does momondo search for flights from California to Seattle/Tacoma Intl Airport?

How old do you have to be to fly from California to Seattle/Tacoma Intl Airport?

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

What is the most popular plane model from California to Seattle?

Best airlines flying from California to Seattle

Compare and see reviews for airlines that fly from California to Seattle with momondo

Traveling to a place near Seattle?

Why use momondo?

Why should I use momondo to find a flight deal from California to Seattle?

Can I find flights from California to Seattle with flexible booking policies on momondo?

How can momondo help me find flights from California to Seattle?

I’m not ready to book a flight from California to Seattle right now. Can momondo alert me if prices change?

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington