Q: How much does it cost for a return flight from Los Angeles to Seattle?

Airfare is below average for this route at the moment. Los Angeles to Seattle flights typically cost between £169 and £276 in September. The cheapest return price found within the last 5 days was £119 on Multiple Airlines (29 Sept–29 Sept).

Question 1

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

Accepted Answer

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

Question 2

How much does it cost for a return flight from Los Angeles to Seattle?

Accepted Answer

Airfare is below average for this route at the moment.Los Angeles to Seattle flights typically cost between £169 and £276 in September.
The cheapest return price found within the last 5 days was £119 on Multiple Airlines (29 Sept–29 Sept).

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

Over the past year, United Airlines have had the lowest number of delays on this route, with just 6% of flights being delayed.

Question 5

How often are flights from Los Angeles to Seattle delayed?

Accepted Answer

About 11% of weekly flights between Los Angeles and Seattle have experienced delays in the past year, with the average delay time being 146 minutes.

Question 6

How popular is this Los Angeles to Seattle flight route?

Accepted Answer

Flights from Los Angeles to Seattle/Tacoma Intl have been viewed 20 times in the past calendar month.

Question 7

How long is the flight from Los Angeles to Seattle?

Accepted Answer

A quick flight from Los Angeles to Seattle can take about 2h 51m. Southwest provides one of the quickest options available for as low as £182. Airlines will cover a distance of 954 mi. This flight may include one or multiple stops.

Question 8

What is the cheapest airline to fly from Los Angeles to Seattle round-trip?

Accepted Answer

According to our current data, Alaska Airlines (£199), offers the cheapest pricing from Los Angeles to Seattle.

Question 9

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

Accepted Answer

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 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 10

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

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from Los Angeles to Seattle (average of £151). Flying from Los Angeles to Seattle in June is currently the most expensive (average of £240). 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.

Question 11

Weekly flight availability from Los Angeles to Seattle

Accepted Answer

The most flights from LAX to SEA are scheduled on a Saturday (104 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (47 on average).

Question 12

E

Accepted Answer

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.

Question 13

E

Accepted Answer

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).

Question 14

What are the cheapest flights from Los Angeles to Seattle?

Accepted Answer

The cheapest flight price from Los Angeles to Seattle is £92. On average you can expect to pay £434. The most popular route, (Los Angeles - Seattle/Tacoma Intl), can usually be booked for £110.

Question 15

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

Accepted Answer

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: Copa Airlines (93%), Air New Zealand (92%), Virgin Australia (92%).

Question 16

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

Accepted Answer

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 50% on airfare.

Question 17

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

Accepted Answer

If you wish to fly to Seattle from Los Angeles, then you need to book flights from Los Angeles to Seattle/Tacoma Intl. There are 74 flights from Los Angeles (LAX) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from Los Angeles are available from 1 airline, which means you should have some options if you want to compare airfare deals. 2h 49m is how long a nonstop flight from Los Angeles to Seattle/Tacoma Intl typically takes.

Question 18

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

Accepted Answer

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

Question 19

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

Accepted Answer

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.

Question 20

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

Accepted Answer

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.

Question 21

How does Cheapflights help users find flights from Los Angeles to Seattle?

Accepted Answer

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.

Question 22

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

Accepted Answer

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.

Question 23

Can Cheapflights find flights from Los Angeles to Seattle with no change fees?

Accepted Answer

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

Question 24

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

Accepted Answer

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.

Round-trip from	£119
One-way from	£83
Popular in	June
Cheapest in	March
Average price	£222
Good round-trip deal	£235 or less
Good one-way deal	£142 or less

Cheap flights from Los Angeles to Seattle from £83

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 15/10. 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 17 August 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 17 August 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 17 August 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 17 August 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 17 August 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 17 August 2026.

Last-minute flights from Los Angeles to SeattleDiscover last-minute flight deals from Los Angeles to Seattle. Data last updated 17 August 2026 and is based on user searches.

Discover last-minute flight deals from Los Angeles to Seattle. Data last updated 17 August 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 17 August 2026.

Search for one-way flight options from Los Angeles to Seattle. Find affordable one-way fares based on user searches. Data last updated 17 August 2026.

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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.

Cheapflights Insights

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 60 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?

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 50% on airfare.

How much does it cost for a return flight from Los Angeles to Seattle?

Airfare is below average for this route at the moment.

Los Angeles to Seattle flights typically cost between £169 and £276 in September.The cheapest return price found within the last 5 days was £119 on Multiple Airlines (29 Sept–29 Sept).

Weekly flight availability from Los Angeles to Seattle

The most flights from LAX to SEA are scheduled on a Saturday (104 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (47 on average).

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 146 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 Sunday has historically faced a higher average of delays compared to other days of the week.

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 6% of flights being delayed.

Related info for your journey

What airports do I use to fly 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?

What is the cheapest airline to fly from Los Angeles to Seattle round-trip?

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?

Travelling to a place near Seattle?

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Alternative routes for Los Angeles to Seattle

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Complete your trip

Complete your trip to Seattle by adding a car hire and/or hotel booking to your travel itinerary.

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Search flights from Los Angeles to Seattle by cabin class

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Los Angeles and Seattle flights

Browse other Los Angeles and Seattle flight options. Last updated on 17 August 2026.

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Top airline flying from Los Angeles to Seattle

Fly with Cheapflights

How does Cheapflights help users find flights from Los Angeles to Seattle?

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

Can Cheapflights find flights from Los Angeles to Seattle with no change fees?

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

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 17 August 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 17 August 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 17 August 2026.

Last-minute flights from Los Angeles to Seattle
Discover last-minute flight deals from Los Angeles to Seattle. Data last updated 17 August 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 17 August 2026.

Los Angeles to Seattle flights typically cost between £169 and £276 in September.
The cheapest return price found within the last 5 days was £119 on Multiple Airlines (29 Sept–29 Sept).