Los Angeles

$92+ Cheap flights from Seattle to Los Angeles (SEA - LAX)

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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LAX
Aug 5 — Aug 121
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Los Angeles are usually found in January or March, booked 30 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Seattle to Los Angeles

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Los Angeles (LAX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Round-trip from

$146
(Kiwi.com)

One-way from

$92
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$259

Good round-trip deal

$235 or less

Good one-way deal

$139 or less
From Seattle/Tacoma Intl to Los Angeles
One-way flight from Seattle/Tacoma Intl to Los Angeles
Highest demand for flights based on searches. 13% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Los Angeles.
Price to beat on a one-way flight from Seattle/Tacoma Intl to Los Angeles.

Find flight deals from Seattle to Los Angeles

Cheapest flights from Seattle to Los Angeles
Explore the most affordable flight options available from Seattle to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Frontier deal was found by Cheapflights users on 7/31. 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 10/316:23 pmSEA - LAX
Nonstop2h 49mFrontier
Sat 11/19:31 pmLAX - SEA
Nonstop2h 56mFrontier
Deal found 7/31$145
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sat 9/139:39 pmSEA - LAX
Nonstop2h 50mMultiple Airlines
Sat 9/207:00 amLAX - SEA
1 stop7h 26mMultiple Airlines
Deal found 7/30$146
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:00 amSEA - LAX
Nonstop2h 47mAlaska Airlines
Wed 9/1712:51 pmLAX - SEA
1 stop4h 39mAlaska Airlines
Deal found 7/31$151
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 9/1010:08 amSEA - LAX
Nonstop2h 58mHawaiian Airlines
Wed 9/173:40 pmLAX - SEA
Nonstop2h 45mHawaiian Airlines
Deal found 7/30$154
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:15 amSEA - LAX
Nonstop2h 55mDelta
Tue 9/27:40 pmLAX - SEA
Nonstop2h 45mDelta
Deal found 7/31$157
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/208:10 amSEA - LAX
1 stop4h 40mSouthwest
Sat 9/203:20 pmLAX - SEA
1 stop6h 30mSouthwest
Deal found 7/31$172

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Los Angeles 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 July 31, 2025.
Use the filters below to find and compare flights from Seattle to Los Angeles that are best for you.

Fly from

Seattle

Fly to

Los Angeles

Route

Depart

Return

Price

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Fri 10/31

6:23 pm-9:12 pm

Nonstop2h 49m

Los Angeles

Sat 11/1

9:31 pm-12:27 am

Nonstop2h 56m

$145

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 9/13

9:39 pm-12:29 am

Nonstop2h 50m

Los Angeles

Sat 9/20

7:00 am-2:26 pm

1 stop7h 26m

$146

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 9/17

7:00 am-9:47 am

Nonstop2h 47m

Los Angeles

Wed 9/17

12:51 pm-5:30 pm

1 stop4h 39m

$151

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 9/10

10:08 am-1:06 pm

Nonstop2h 58m

Los Angeles

Wed 9/17

3:40 pm-6:25 pm

Nonstop2h 45m

$154

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Wed 8/27

10:15 am-1:10 pm

Nonstop2h 55m

Los Angeles

Tue 9/2

7:40 pm-10:25 pm

Nonstop2h 45m

$157

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Sat 9/20

8:10 am-12:50 pm

1 stop4h 40m

Los Angeles

Sat 9/20

3:20 pm-9:50 pm

1 stop6h 30m

$172

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Mon 8/18

3:11 pm-11:58 pm

1 stop8h 47m

$92

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 9/2

11:10 pm-9:48 am

1 stop10h 38m

$94

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 10/14

6:00 am-1:18 pm

1 stop7h 18m

$96

SeattleLos Angeles

SEA - LAX

SEALAX

Seattle/Tacoma Intl

Tue 9/2

7:59 pm-10:56 pm

Nonstop2h 57m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 13 results
1
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The best insider tips for Seattle to Los Angeles flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Los Angeles trip
Airlines
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, enhancing short-haul comfort.


Alaska's Wi-Fi offers a flat fee, ideal for business travelers needing connectivity.

Frontier

Frontier offers extra comfort seats with 32” separation for a fee, enhancing short-haul comfort.


For early morning flights, Frontier has fewer delays, ensuring timely departures and arrivals.

Read more about Frontierby Marisa Garcia
Spirit Airlines

Spirit's Big Front Seats offer 11 extra inches of legroom, ideal for comfort on short flights.


Spirit's self-service bag drop saves time; print your boarding pass to avoid extra charges.

Airports
SEA

Use SEA Spot Saver for free security screening appointments, reducing wait times. Sign up online a few days before your flight.

Read more about SEAby Brandon Schultz
LAX

For rideshare pickups, look for green signs directing you to free shuttles to the LAX-it station. Order your ride when near the pickup area.

Read more about LAXby Ramsey Qubein
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LAX

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Seattle to Los Angeles

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

How far ahead should I book a flight from Seattle to Los Angeles?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Los Angeles. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Los Angeles, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of $246). Flying from Seattle to Los Angeles in March is currently the most expensive (average of $326). 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 SEA to LAX?

Find hourly flight availability from Seattle to Los Angeles. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

It’s typically best to fly out from Seattle to Los Angeles at noon. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Seattle to Los Angeles?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Los Angeles. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Seattle to Los Angeles flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Los Angeles

Explore weekly flight availability from Seattle to Los Angeles. 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 July 31, 2025.

The most flights from SEA to LAX are scheduled on a Thursday (141 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (50 on average).

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

What’s the top layover airport for flights from Seattle to Los Angeles?

Share of 1-stop round-trip flights from Seattle to Los Angeles chosen by Cheapflights users in the past 12 months, using the same layover each way.

Phoenix (PHX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Seattle to Los Angeles on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to Los Angeles?

Average round-trip fare for 1-stop flights from Seattle to Los Angeles, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $100.

What’s the fastest layover option from Seattle to Los Angeles?

Shortest average travel time for 1-stop one-way flights from Seattle to Los Angeles, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 5h 20m.

Which airport typically offers the quickest layover for flights from Seattle to Los Angeles?

Average layover duration for 1-stop one-way flights from Seattle to Los Angeles, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 2h 24m.

Reviews of airlines servicing Los Angeles

Get insights into the airlines that provide service to Los Angeles. 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 Los Angeles. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Seattle to Los Angeles, such as Alaska Airlines, Southwest, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Seattle to Los Angeles Travel Guide

If you’re departing Seattle for LA, there’s a good chance the weather has something to do with it, but either way take the opportunity to enjoy LA’s year-around mild and sunny climate. Nobody walks in LA, so take a drive along Highway 1, starting at Manhattan Beach and ending in Malibu, enjoying the beautiful coastline and mansions along the way. If you really need a good walk, stroll down the Hollywood Walk of Fame and try to spot your favorite celebrity’s star, or spend a day on Catalina Island, where you can explore the island on foot or a bike or explore its waters with a snorkel or rented kayak.

On average, daily high temperatures in Los Angeles are only about 8 degrees warmer than in Seattle during the summer, but about 22 degrees warmer than Seattle during the winter, when the Emerald City also gets a good deal more precipitation. So if Seattle's inclement winter weather gets you down, the Big Orange is a nice respite. New visitors to Seattle are often surprised by how small the city is, while visitors to LA can't get over its vastness. While both cities revere personal freedom and welcome visitors from across the globe, Seattle can't match LA's diversity. The City of Angels is a potpourri of human civilization, with countless restaurants, art galleries, neighborhoods, shops and attractions celebrating the world's disparate cultures.

Save money and time using our smart search engine to find the cheapest flights from Seattle to LA, including dozens of non-stop flights at low prices.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Seattle to Los Angeles?

    Direct flights from Seattle to Los Angeles run about two and a half to three hours gate to gate, depending on the airline, time of day and the airport you fly to.

  • Which airlines operate flights from Seattle to Los Angeles?

    Spirit, American, Alaska Airlines, Delta, Virgin America and United each offer direct flights from Seattle-Tacoma International Airport (SEA) to Los Angeles International Airport (LAX.) Alaska also offers non-stop flights from SEA to Bob Hope Airport (BUR), while jetBlue flies direct from SEA to Long Beach Airport (LGB.) These airlines, as well as Frontier, Sun Country and Southwest, also offer one-stop flights from Seattle to the Los Angeles area.

  • How frequent are flights between Seattle to Los Angeles?

    Flights between Los Angeles and Chicago are frequent throughout each day, with at least one flight arriving from LA every hour during peak travel times.

  • Which airports serve Seattle to Los Angeles?

    With about 70 direct flights from Seattle to Los Angeles on a typical day, it's easy to find a straight shot between the two cities whenever you want to fly, between about 5 a.m. and 10 p.m.

  • Which direct flight route between Seattle and Los Angeles is cheapest?

    Los Angeles is served by Los Angeles International Airport (LAX), Long Beach Airport (LGB) and Bob Hope Airport (BUR), also known as Hollywood Burbank Airport. Seattle is served by Seattle-Tacoma International Airport (SEA.) The cheapest direct flights between Seattle and Los Angeles fly the SEA to LAX route, and you're unlikely to save any money by choosing a flight with stops.

  • What are the best ways to get to the airports in Seattle and Los Angeles?

    If you’re flying to Los Angeles from Seattle you will most likely be departing out of the Seattle/Tacoma International Airport (SEA). This airport is the main hub serving the Seattle metropolitan area. It’s located south of Downtown Seattle, about an hour away on public transportation. There is another smaller airport in the Seattle area with flights to Los Angeles, the Paine Field Airport (PAE). However, these flights to Los Angeles do not operate year round. The airport you’ll be arriving at in Los Angeles is the Los Angeles International Airport (LAX). Los Angeles International Airport is one of the main West Coast airports. It’s located southwest of Downtown Los Angeles, about an hour or so away on public transportation.

  • Which airlines fly directly from Seattle to Los Angeles?

    There are multiple airlines that offer non-stop flights to Los Angeles from Seattle. For instance, American Airlines, Delta Airlines and United Airlines have year round routes that operate on every day of the week between Seattle/Tacoma International Airport and Los Angeles International Airport. JetBlue also has direct flights to Los Angeles, but only during certain months out of the year. Alaska Airlines offers the same seasonal non-stop flights from both Seattle/Tacoma International Airport and Paine Field Airport. Direct flights between these two cities on the West Coast are more or less three hours long.

  • What are the stopover options between Seattle to Los Angeles?

    Even though there are various non-stop flight options from Seattle/Tacoma International Airport to Los Angeles International Airport, there are also routes with one layover in between. It’s possible that these flights can be more affordable for the dates you’re looking to fly on. The routes with one layover are operated by airlines such as United Airlines and Spirit Airlines stopping in San Francisco International Airport (SFO) and Las Vegas McCarren International Airport (LAS), respectively, on their way to Los Angeles. A flight to Los Angeles from Seattle can take up to five and a half hours, more or less, with a layover in between.

  • Do I need a passport or visa to fly from Seattle to Los Angeles?

    You do not necessarily need a passport to fly from Seattle to Los Angeles as a U.S. citizen. Passengers are required to carry a government-issued ID that can be a passport as well as a NEXUS card or permanent resident card. A driver’s license can also be used as ID but soon it will be necessary for it to be a Real ID license. You can get more information on this type of driver’s license from your local department of motor vehicles. As for visa requirements, U.S. citizens do not need a visa to travel within the United States, like flying to Los Angeles from Seattle.

  • What airports do I use to fly from Seattle to Los Angeles?

    To fly from Seattle to Los Angeles, you need to book a flight from Seattle/Tacoma Intl (SEA) to Los Angeles (LAX). Nonstop flights to Los Angeles from Seattle/Tacoma Intl take 2h 39m on average. When it comes time to book airfare, you have a few options: there are 91 outbound flights from Seattle/Tacoma Intl to Los Angeles offered by 8 different airlines.

  • How popular is this Seattle to Los Angeles flight route?

  • What are the cheapest airlines flying from Seattle to Los Angeles round-trip?

    Currently priced at $148, Frontier will fly you from Seattle to Los Angeles and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Hawaiian Airlines - these airlines can fly you to your destination from $151 and $154, respectively. You may be able to fly from Seattle to Los Angeles for 27% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from Seattle to Los Angeles are Alaska Airlines ($94), Frontier ($96), and Hawaiian Airlines ($97).

  • What are the most reliable airlines from Seattle to Los Angeles?

    Before booking your flight to Los Angeles from Seattle, check out the most reliable airlines to get you to your destination on time: China Eastern (97%), Air France (95%), ITA Airways( 92%).

  • What are the cheapest flights from Seattle to Los Angeles?

    Looking for the cheapest flight from Seattle to Los Angeles? While on average our users pay $1,133, our data indicates the cheapest price to be $92. The most popular route (Seattle/Tacoma Intl - Los Angeles), is priced around $99.

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

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

  • How can I find direct flights from Seattle to Los Angeles?

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

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

    Yes. Cheapflights offers flight deals from Seattle to Los Angeles 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 Seattle to Los Angeles?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Los Angeles (average of $246). Flying from Seattle to Los Angeles in March is currently the most expensive (average of $326). 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 are the most eco-friendly airlines from Seattle to Los Angeles?

    Alaska Airlines, United Airlines, and Delta are the three most eco-friendly airlines offering flights to Los Angeles from Seattle. Each of these airlines has taken steps to ensure sustainable travel and the least amount of carbon produced, including providing nonstop flights to Los Angeles, which are greener than connecting flights. United Airlines has retired most of its old fleet and now flies much younger and more fuel-efficient aircraft with a massive economy class, meaning less carbon produced per passenger. Similarly, Delta is now replacing most of its fleet with the more efficient A321s and A220s. They have also, over the past few years, been purchasing carbon offsets, plus they are now flying lighter aircraft, thanks to their new wireless in-flight entertainment system.

  • How can I fly more sustainably from Seattle to Los Angeles?

    As a passenger, there are several steps you can take to make your flight more eco-friendly. First, you can pack lighter. Stick to the weight limits issued and pack only what is necessary. Avoid overloading bags, since a heavier plane means more pollution from fuel burned. Try to prioritize flying with airlines that have taken steps to ensure sustainable travel. The airlines mentioned above are good examples for this trip. Avoid single-use plastics on your flight by carrying a reusable water bottle and bringing your own headphones to minimize the plastic waste on this trip. Finally, if possible, choose a direct flight instead of a connecting one, since they are much more environmentally friendly.

See more FAQs

Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
Stanton
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Alternative routes for Seattle to Los Angeles

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Seattle to Los Angeles

Discover the top 8 airlines that operate flights from Seattle to Los Angeles. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$44Average$149FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$63Average$147FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$245FlexibilityNo cancel feeOn-time85%
DeltaCheapest$119Average$236FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$139Average$253FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$153Average$274FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$156Average$236FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$300FlexibilityNo cancel feeOn-time71%

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