Seattle

$80+ Cheap flights from Los Angeles to Seattle (LAX - 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEA
Oct 19 — Oct 261
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Cheapflights Tip: The best prices from Los Angeles to Seattle/Tacoma Intl are usually found in January or February, booked 58 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap flight deals from Los Angeles to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Seattle (SEA). 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 September 19, 2025.

Round-trip from

$141
(CheapOair)

One-way from

$80
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$237

Good round-trip deal

$215 or less

Good one-way deal

$138 or less
From Los Angeles to Seattle/Tacoma Intl
One-way flight from Los Angeles to Seattle/Tacoma Intl
Highest demand for flights based on searches. 15% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Los Angeles to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Los Angeles to Seattle/Tacoma Intl.

Find flight deals from Los Angeles to Seattle

Cheapest flights from Los Angeles to Seattle
Explore the most affordable flight options available from Los Angeles to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This CheapOair deal was found by Cheapflights users on 9/17. 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.
Wed 10/154:52 pmLAX - SEA
Nonstop2h 56mFrontier
Sat 10/251:02 pmSEA - LAX
Nonstop2h 49mFrontier
Deal found 9/17$141
This CheapOair deal was found by Cheapflights users on 9/17. 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 10/24:45 pmLAX - SEA
Nonstop2h 51mFrontier
Sun 10/54:36 pmSEA - LAX
1 stop26h 54mFrontier
Deal found 9/17$142
This Flightnetwork deal was found by Cheapflights users on 9/17. 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.
Sat 10/49:08 pmLAX - SEA
Nonstop2h 51mFrontier
Tue 10/71:02 pmSEA - LAX
1 stop11h 23mFrontier
Deal found 9/17$143
This CheapOair deal was found by Cheapflights users on 9/17. 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.
Fri 10/172:20 pmLAX - SEA
1 stop6h 48mFrontier
Mon 10/202:31 pmSEA - LAX
1 stop9h 54mFrontier
Deal found 9/17$144
This Frontier deal was found by Cheapflights users on 9/18. 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 10/244:52 pmLAX - SEA
Nonstop2h 56mFrontier
Mon 10/271:02 pmSEA - LAX
Nonstop2h 49mFrontier
Deal found 9/18$146
This CheapOair deal was found by Cheapflights users on 9/17. 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 11/84:41 pmLAX - SEA
Nonstop2h 56mFrontier
Mon 11/102:22 pmSEA - LAX
1 stop6h 05mFrontier
Deal found 9/17$147
This Priceline deal was found by Cheapflights users on 9/17. 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.
Mon 10/204:52 pmLAX - SEA
Nonstop2h 56mFrontier
Fri 10/241:02 pmSEA - LAX
Nonstop2h 49mFrontier
Deal found 9/17$148
This Trip.com deal was found by Cheapflights users on 9/18. 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.
Fri 10/315:41 pmLAX - SEA
Nonstop2h 56mFrontier
Tue 11/41:37 pmSEA - LAX
1 stop10h 48mFrontier
Deal found 9/18$149
This flugladen.de deal was found by Cheapflights users on 9/18. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/184:52 pmLAX - SEA
Nonstop2h 56mFrontier
Mon 10/202:31 pmSEA - LAX
1 stop21h 48mFrontier
Deal found 9/18$150
This CheapOair deal was found by Cheapflights users on 9/17. 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.
Wed 10/83:48 pmLAX - SEA
1 stop23h 28mFrontier
Sat 10/118:43 pmSEA - LAX
1 stop10h 52mFrontier
Deal found 9/17$151
This Priceline deal was found by Cheapflights users on 9/17. 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.
Fri 9/262:03 pmLAX - SEA
1 stop10h 27mFrontier
Sat 9/279:39 pmSEA - LAX
Nonstop2h 50mFrontier
Deal found 9/17$152

Cheapflights Fare Finder

 
Customize your flight search to find flights from Los Angeles 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 September 19, 2025.
Use the filters below to find and compare flights from Los Angeles to Seattle that are best for you.

Fly from

Los Angeles

Fly to

Seattle

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 10/17

2:20 pm-9:08 pm

1 stop6h 48m

Seattle/Tacoma Intl

Fri 10/24

2:31 pm-12:25 am

1 stop9h 54m

$144

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 10/24

9:33 am-3:16 pm

1 stop5h 43m

Seattle/Tacoma Intl

Thu 10/30

1:18 pm-12:25 am

1 stop11h 07m

$144

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 10/16

7:00 pm-8:48 am

1 stop13h 48m

Seattle/Tacoma Intl

Sun 10/19

7:28 pm-7:53 pm

1 stop24h 25m

$144

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 11/14

7:59 pm-11:01 pm

Nonstop3h 02m

Seattle/Tacoma Intl

Sun 11/16

9:45 pm-12:31 am

Nonstop2h 46m

$157

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 10/21

9:00 am-11:56 am

Nonstop2h 56m

Seattle/Tacoma Intl

Sat 10/25

6:35 am-9:20 am

Nonstop2h 45m

$168

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 10/18

9:00 am-11:56 am

Nonstop2h 56m

Seattle/Tacoma Intl

Mon 10/20

6:35 am-9:20 am

Nonstop2h 45m

$177

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 11/26

2:06 pm-5:00 pm

Nonstop2h 54m

Seattle/Tacoma Intl

Wed 12/10

5:59 pm-8:43 pm

Nonstop2h 44m

$177

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Wed 12/3

4:15 pm-9:00 pm

1 stop4h 45m

Seattle/Tacoma Intl

Wed 12/10

9:05 am-12:05 pm

Nonstop3h 00m

$194

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 10/11

2:00 pm-4:54 pm

Nonstop2h 54m

Seattle/Tacoma Intl

Tue 10/14

2:10 pm-4:50 pm

Nonstop2h 40m

$197

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 10/23

6:58 pm-9:53 pm

Nonstop2h 55m

Seattle/Tacoma Intl

Mon 10/27

12:41 pm-3:32 pm

Nonstop2h 51m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 21 results
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The best insider tips for Los Angeles to Seattle 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 Los Angeles to Seattle trip
Airlines
Alaska Airlines

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


Alaska's Wi-Fi is a flat fee, ideal for business travelers needing to work onboard.

Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.


Frontier's Zone 1 boarding is available with a carry-on purchase or special fare bundle.

Read more about Frontierby Marisa Garcia
Spirit Airlines

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


Use Spirit's self-service bag drop for quick check-in and avoid printing fees at the counter.

Airports
LAX

For shorter security lines, consider using the Tom Bradley International Terminal, especially during morning and midday hours.

Read more about LAXby Ramsey Qubein
SEA

Take the Link light rail from SEA to downtown Seattle for an affordable, under 40-minute ride with luggage space.

Read more about SEAby Brandon Schultz
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 Los Angeles to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Los Angeles to Seattle. Price data was last updated on September 12, 2025.

The price you pay for your flight from Los Angeles to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of $238). Flying from Los Angeles 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 LAX to SEA?

Find hourly flight availability from Los Angeles 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 September 19, 2025.

When flying from Los Angeles to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 25% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Los Angeles to Seattle. Price data was last updated on September 14, 2025.

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

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 September 19, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from Los Angeles 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.

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
8.0
Very good

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Crew

8.5

Boarding

8.1

Overall

8.0

Food

7.1

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Los Angeles to Seattle Travel Guide

From the views offered at the top of the Space Needle to browsing the selections at Pike Place Market or whale watching in Puget Sound, Seattle offers visitors a true Pacific Northwest experience. Shoppers, gourmands and those who love to commune with nature all find something to bring them to this vibrant coastal city known for killer coffee and fish throwing. Booking a flight to Seattle from Los Angeles is as easy as choosing Cheapflights.

Residents of Los Angeles looking to escape bright lights and the fast pace of daily life without losing an urban vibe can find what they're looking for in Seattle. Although Seattle is known for being one of the rainiest cities in the country, mild temperatures and a multitude of experiences make up for the sometimes-dreary weather. Summertime is one of the best times to visit the area for a respite from the dry heat of Los Angeles. Outside of the renowned Pike Place Market and Space Needle, the area offers lots of options for a full vacation. Visit Pioneer Square, Seattle's first neighborhood, before heading east to Seattle's Chinatown-International district. Here, you can browse unique shops, sample delicious Asian fare and take in amazing architecture. A trip to Seattle is never complete without a stroll along the waterfront, with its multiple piers and perfect spots for picture-taking and people-watching.

Check out our simple search engine for help in finding flights from Los Angeles to Seattle based on ideal fare, schedule, airline or available airports.

Related info for your journey

Find useful and relevant information for your journey from Los Angeles to Seattle. 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 Los Angeles to Seattle?

    A flight from Los Angeles to Seattle should last about two and a half hours or slightly longer if you're flying nonstop. Flights with layovers will take a bit longer to reach your destination.

  • Which airlines operate flights from Los Angeles to Seattle?

    Many major airline carriers offer direct flights between Los Angeles and Seattle, including Alaska Airlines, United, Spirit, Virgin America and American Airlines. Search Cheapflights for fares that fit your travel plans and schedule.

  • How frequent are flights between Los Angeles and Seattle?

    Flights between Los Angeles and Seattle run fairly frequently throughout the day, with routes running all week long. Early flights take off at 6 a.m. PST, while later routes are available into the evening hours.

  • Which airports serve Los Angeles to Seattle?

    The greater Los Angeles area is served by five airports, with Los Angeles International Airport seeing the most traffic. Nearby Burbank-Hollywood Airport, Ontario Airport, Long Beach Airport and John Wayne Airport also offer passenger service. Seattle-Tacoma International Airport (also known as Sea-Tac) serves the Seattle area.

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

    The cheapest direct route between Los Angeles and Seattle takes off from Los Angeles International Airport and land at Sea-Tac. Search Cheapflights for schedules and fares to book your vacation.

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

    Los Angeles International Airport (LAX) and Seattle-Tacoma International Airport (SEA) are the main airports that serve flights to Seattle from Los Angeles. You will get direct, one-stop, and two-stop flights to SEA from LAX offered by various airlines. Direct flights take about three hours, and there are multiple departures from LAX every day. LAX is the main airport in Los Angeles, California, and one of the busiest in the country since it also serves as a major international gateway into the US. It is about 20 minutes from downtown LA and is well-linked to the city center via road and railway networks. It is a massive airport with nine terminals, and terminal offers various amenities and services, including restaurants and bars, duty-free shopping outlets, banks, and ATMs.

  • Which airlines fly directly from Los Angeles to Seattle?

    Several airlines provide nonstop flights to Seattle from Los Angeles, including Delta, American Airlines, United Airlines, and Alaska Airlines. Direct flights to SEA from LAX take about three hours and are much cheaper and environment-friendly than single-layover or two-stop flights. Delta and Alaska Airlines are the leading providers of direct flights to SEA, and they have multiple departures for LAX every day. The other option is single-layover flights provided by Southwest Airlines, Delta, Alaska Airlines, and United Airlines.

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

    Since many airlines provide single- and double-layover flights to Seattle from Los Angeles, the layover options are just as many. Most single-layover flights to SEA from LAX are offered by Southwest Airlines, Delta, Alaska Airlines, American Airlines, and United Airlines. United Airlines flights have most of their layovers in Chicago, while American Airlines stop in Dallas. If you’re on a Delta or Alaska Airlines flight, expect a layover either in Portland or San Francisco. Layovers can add up to seven hours to the flight time, and single-stop flights aren’t cheaper than direct flights for the LAX to SEA route.

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

    No, you don’t need a passport or visa to get on a domestic flight to Seattle from Los Angeles. For US citizens, TSA requires you to have a valid ID and a plane ticket to be allowed on a flight from LAX to SEA. You can book a cheap flight ticket to Seattle through Cheapflights, and some acceptable valid forms of ID include a driver’s license, permanent resident card, or a passport. If you’re traveling with a minor, they don’t need to present their ID if you have yours. However, most airlines recommend that they travel with some form of ID, like a student card. For babies, parents or guardians are asked to travel with their birth certificate just in case they’re asked to confirm the baby’s age, though it is not a requirement.

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

    Booking a flight from Los Angeles (LAX) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Los Angeles to Seattle. On a typical day, there are 87 flights from Los Angeles to Seattle/Tacoma Intl, all of which are around 2h 50m for a nonstop flight. You can also purchase a plane ticket from 8 airlines when you book a flight from Los Angeles to Seattle.

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

  • How long is the flight from Los Angeles to Seattle?

    Airlines like Frontier fly from Los Angeles to Seattle in about 6h 48m. The time it takes to get you to your destination can typically vary by up to . There are 954 mi between Los Angeles and Seattle.

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

    Our cheapest airline available from Los Angeles to Seattle is Frontier. Our recent data shows that you can find tickets from as low as $48 on this airline. Additional options worth looking into are Spirit Airlines and Hawaiian Airlines, starting at $73 and $118 round-trip. These flights start at 77% lower than the current average price 3 months from now.

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

    Before booking your flight to Seattle from Los Angeles, check out the most reliable airlines to get you to your destination on time: SAUDIA (96%), EL AL (95%), KLM( 92%).

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

    On average you can expect to pay $505 for a flight from Los Angeles to Seattle. The cheapest flight overall is $81 while the most popular route, (Los Angeles - Seattle/Tacoma Intl) is currently priced at $113.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of $238). Flying from Los Angeles 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 are the most eco-friendly airlines from Los Angeles to Seattle?

    For travelers flying to Seattle from Los Angeles who want to use sustainable travel methods, one of the most important things they can do is choose an eco-friendly airline. Along this route, some of the best choices include Alaska Airlines, Delta Air Lines, and United Airlines. Alaska Airlines has retrofitted nearly all of their 737s with winglets that help reduce fuel usage by about 34,000 gallons per plane every year. They also continually invest in the most fuel-efficient planes available. In 2020, Delta addressed 13 million metric tons of its own carbon dioxide emissions through carbon offsets to help lower greenhouse gas levels in the environment.

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

    Because flying involves more than just traveling on an airplane from place to place, your transportation choice for getting to and from the airport is just as important for eco-friendly travel. For example, in Los Angeles, try choosing one of the LAX FlyAway buses to get you from several locations in Los Angeles to the airport. Once you arrive at the airport in Seattle, hop aboard the Link Light Rail System, which offers service to downtown Seattle. Beyond those choices, think about packing as lightly as possible. The more weight that your flight is carrying, the more fuel that gets burned during your trip. Another important tip is to bring a reusable water bottle on your flight. This will help save countless plastic water bottles you may have otherwise used during your trip that contribute a huge amount of waste to the environment.

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 Los Angeles to Seattle

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

Top 8 airlines flying from Los Angeles to Seattle

Discover the top 8 airlines that operate flights from Los Angeles 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 September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$158FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$73Average$156FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$118Average$263FlexibilityNo cancel feeOn-time85%
DeltaCheapest$127Average$250FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$150Average$255FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$155Average$237FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$159Average$280FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$163Average$298FlexibilityNo cancel feeOn-time71%

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