Which airline has the best punctuality record on Los Angeles to Seattle flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.

How often are flights from Los Angeles to Seattle delayed?

About 11% of weekly flights between Los Angeles and Seattle have experienced delays in the past year, with the average delay time being 144 minutes.

What is the most punctual flight time for Los Angeles to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

How popular is this Los Angeles to Seattle flight route?

Flights from Los Angeles to Seattle/Tacoma Intl have been viewed 15 times in the past calendar month.

How long is the flight from Los Angeles to Seattle?

A quick flight from Los Angeles to Seattle can take about 2h 55m. Delta provides one of the quickest options available for as low as £100. Airlines will cover a distance of 954 mi. This flight may include one or multiple stops.

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

One-way options have recently been found by users for as low as £39 on Frontier. Other airlines that offer cheap prices include Delta from £43 and Alaska Airlines from £43 one-way.

Weekly flight availability from Los Angeles to Seattle

The most flights from LAX to SEA are scheduled on a Monday (100 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

What are the cheapest flights from Los Angeles to Seattle?

The cheapest flight price from Los Angeles to Seattle is £149. On average you can expect to pay £513. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for £88.

What are the most reliable airlines from Los Angeles 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 Los Angeles to Seattle on time: Air China (100%), Aer Lingus (100%), China Southern (100%).

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 holiday 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.

£42+ Flights from Los Angeles to Seattle

Cheapflights Tip: The best prices from Los Angeles to Seattle/Tacoma Intl are usually found in March or February, booked 61 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Los Angeles to Seattle

Enter your travel dates to find the best prices.

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Best

Direct

Last-minute

One-way

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 4 February 2026.

Wed 25/217:35

LAX

SEA

Nonstop2h 55m

Delta

Sat 28/211:17

SEA

LAX

Nonstop2h 38m

Delta

Deal found 3/2£100

Wed 4/311:00

LAX

SEA

Nonstop2h 59m

Alaska Airlines

Sun 8/321:14

SEA

LAX

Nonstop2h 45m

Alaska Airlines

Deal found 3/2£107

Sat 7/311:55

LAX

SEA

1 stop7h 20m

Southwest

Tue 10/307:30

SEA

LAX

1 stop4h 15m

Southwest

Deal found 3/2£111

Wed 15/412:55

LAX

SEA

1 stop8h 11m

United Airlines

Sat 18/408:45

SEA

LAX

Nonstop3h 03m

United Airlines

Deal found 1/2£113

Fri 27/215:55

LAX

SEA

Nonstop2h 54m

Delta

Sun 1/307:25

SEA

LAX

Nonstop2h 49m

Delta

Deal found 3/2£115

Tue 24/214:30

LAX

SEA

1 stop4h 05m

Southwest

Sat 28/206:50

SEA

LAX

2 stops9h 00m

Southwest

Deal found 3/2£115

Tue 24/208:52

LAX

SEA

1 stop5h 56m

Alaska Airlines

Tue 24/216:50

SEA

LAX

Nonstop2h 46m

Alaska Airlines

Deal found 1/2£118

Sat 7/307:55

LAX

SEA

1 stop5h 10m

Southwest

Mon 9/306:45

SEA

LAX

1 stop4h 05m

Southwest

Deal found 3/2£118

Fri 6/317:25

LAX

SEA

2 stops6h 50m

Southwest

Tue 10/307:30

SEA

LAX

1 stop4h 15m

Southwest

Deal found 3/2£123

Tue 24/310:00

LAX

SEA

Nonstop2h 58m

Alaska Airlines

Tue 24/316:00

SEA

LAX

1 stop5h 31m

Alaska Airlines

Deal found 3/2£125

Thu 12/317:25

LAX

SEA

2 stops6h 45m

Southwest

Sat 14/307:15

SEA

LAX

1 stop7h 35m

Southwest

Deal found 2/2£126

Find flight deals from Los Angeles to Seattle

Round-trip from	£100
One-way from	£42
Popular in	June
Cheapest in	March
Average price	£129
Good round-trip deal	£1,026 or less
Good one-way deal	£167 or less

Delta
4/4-8/4
Nonstop
5h 42m total
Los Angeles to Seattle

Search Deals

Frontier
26/3
1 total stop
6h 52m total
Los Angeles to Seattle

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£6 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2026

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Price to beat on a round-trip flight from Los Angeles to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from Los Angeles to Seattle/Tacoma Intl.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 3/4

20:40-23:40

Nonstop3h 00m

Seattle/Tacoma Intl

Tue 7/4

18:59-21:43

Nonstop2h 44m

£107

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 24/2

14:30-18:35

1 stop4h 05m

Seattle/Tacoma Intl

Sat 28/2

06:50-14:20

1 stop7h 30m

£111

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 27/2

19:05-22:13

Nonstop3h 08m

Seattle/Tacoma Intl

Sun 1/3

08:30-11:38

Nonstop3h 08m

£115

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 7/3

11:55-19:15

1 stop7h 20m

Seattle/Tacoma Intl

Sat 14/3

07:15-14:50

1 stop7h 35m

£115

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Tue 24/2

15:50-20:20

1 stop4h 30m

Seattle/Tacoma Intl

Wed 25/2

13:20-21:25

1 stop8h 05m

£115

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Sat 7/3

17:30-22:50

1 stop5h 20m

Seattle/Tacoma Intl

Sun 8/3

06:55-11:15

1 stop4h 20m

£122

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Thu 12/3

17:25-00:10

2 stops6h 45m

Seattle/Tacoma Intl

Sat 14/3

07:15-14:50

1 stop7h 35m

£126

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 13/3

11:00-17:20

1 stop6h 20m

Seattle/Tacoma Intl

Mon 16/3

06:45-10:50

1 stop4h 05m

£126

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 27/2

13:35-17:45

1 stop4h 10m

Seattle/Tacoma Intl

Mon 2/3

18:15-23:40

1 stop5h 25m

£129

Los AngelesSeattle

LAX - SEA

LAXSEA

Los Angeles

Fri 24/4

15:40-23:05

1 stop7h 25m

Seattle/Tacoma Intl

Sun 26/4

16:45-23:00

1 stop6h 15m

£129

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 22 results

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.

LAX-SEA

Estimated return 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

Prices

Airlines

Delays

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

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 61 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, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of £41). Flying from Los Angeles to Seattle in July is currently the most expensive (average of £98). 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?

One of the essential ways to save on airfare from Los Angeles to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 51% on airfare.

Related info for your journey

How popular is this Los Angeles to Seattle flight route?
Flights from Los Angeles to Seattle/Tacoma Intl have been viewed 15 times in the past calendar month.
How long is the flight from Los Angeles to Seattle?
A quick flight from Los Angeles to Seattle can take about 2h 55m. Delta provides one of the quickest options available for as low as £100. Airlines will cover a distance of 954 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Los Angeles to Seattle one-way?
One-way options have recently been found by users for as low as £39 on Frontier. Other airlines that offer cheap prices include Delta from £43 and Alaska Airlines from £43 one-way.
What are the most reliable airlines from Los Angeles 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 Los Angeles to Seattle on time: Air China (100%), Aer Lingus (100%), China Southern (100%).
What are the cheapest flights from Los Angeles to Seattle?
The cheapest flight price from Los Angeles to Seattle is £149. On average you can expect to pay £513. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for £88.
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 holiday 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, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of £41). Flying from Los Angeles to Seattle in July is currently the most expensive (average of £98). 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.

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When you search for this flight from Los Angeles to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Los Angeles to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Los Angeles to Seattle.

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Los Angeles to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Los Angeles to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Los Angeles today and book when prices fit your budget.

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Cheap flights from Los Angeles to Seattle from £42

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Los Angeles to Seattle

Cheapest flights from Los Angeles to SeattleExplore 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 4 February 2026.

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 4 February 2026.

Best flights from Los Angeles to SeattleDiscover carefully curated flight deals from Los Angeles to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 February 2026.

Discover carefully curated flight deals from Los Angeles to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 February 2026.

Direct flights from Los Angeles to SeattleExplore direct flight options from Los Angeles to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 February 2026.

Explore direct flight options from Los Angeles to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 February 2026.

Last-minute flights from Los Angeles to SeattleDiscover last-minute flight deals from Los Angeles to Seattle. Data last updated 4 February 2026 and is based on user searches.

Discover last-minute flight deals from Los Angeles to Seattle. Data last updated 4 February 2026 and is based on user searches.

One-way flights from Los Angeles to SeattleSearch for one-way flight options from Los Angeles to Seattle. Find affordable one-way fares based on user searches. Data last updated 4 February 2026.

Search for one-way flight options from Los Angeles to Seattle. Find affordable one-way fares based on user searches. Data last updated 4 February 2026.

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Best time to book a flight from Los Angeles to Seattle

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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?

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

What is the cheapest time of day to fly from LAX to SEA?

Weekly flight availability from Los Angeles to Seattle

How often are flights from Los Angeles to Seattle delayed?

What is the most punctual flight time for Los Angeles to Seattle flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Los Angeles to Seattle flights?

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 popular is this Los Angeles to Seattle flight route?

How long is the flight from Los Angeles to Seattle?

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

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

What are the cheapest flights from Los Angeles to Seattle?

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

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

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

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

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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 4 February 2026.

Best flights from Los Angeles to Seattle
Discover carefully curated flight deals from Los Angeles to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 February 2026.

Direct flights from Los Angeles to Seattle
Explore direct flight options from Los Angeles to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 4 February 2026.

Last-minute flights from Los Angeles to Seattle
Discover last-minute flight deals from Los Angeles to Seattle. Data last updated 4 February 2026 and is based on user searches.

One-way flights from Los Angeles to Seattle
Search for one-way flight options from Los Angeles to Seattle. Find affordable one-way fares based on user searches. Data last updated 4 February 2026.