Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Los Angeles to Seattle
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Alaska Airlines flights from Los Angeles to Seattle
Our best Alaska Airlines deals on Los Angeles to Seattle flight tickets
United Airlines flights from Los Angeles to Seattle
Our best United Airlines deals on Los Angeles to Seattle flight tickets
See travel insights to Seattle from
How to get the cheapest flight ticket from Los Angeles to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
The month of January is, on average, the cheapest month to fly to Seattle from Los Angeles, with most prices found around $233. If you are unable to visit Seattle during the month of January, then departing from Los Angeles during the month September is also very affordable. Most momondo users find prices during this month for around $277.
What is the cheapest day to depart on your flight to Seattle?
The cheapest day to depart from Los Angeles to Seattle is on a Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $287. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Los Angeles to Seattle for around $590.
What is the cheapest time of day to depart on your flight to Seattle?
According to our data, the cheapest time of day to fly to Seattle is in the afternoon. momondo users have found flights departing from Los Angeles to Seattle in the afternoon for as low as $308. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the evening when prices are around $590.
What is the cheapest Los Angeles to Seattle/Tacoma Intl flight route?
Fly from Los Angeles to Seattle/Tacoma Intl for the best Los Angeles - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Los Angeles when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $336 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Los Angeles for as low as $277 on momondo.
What cabin class options are available on Los Angeles to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Los Angeles to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Los Angeles to Seattle on average per day?
As of March 2025, 81 flights take off from Los Angeles and land in Seattle each day. The most common flight departure time for this route is 19:00, with 44% of daily flights taking off at midday.
How many flights depart from Los Angeles to Seattle on average per week?
As of March 2025, there are 568 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.
When to book flights from Los Angeles to Seattle
Cheap Los Angeles to Seattle (LAX to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Seattle
How far is Los Angeles to Seattle/Tacoma Intl by plane?
The distance between Los Angeles and Seattle/Tacoma Intl is about 1543.7 km. 2h 44m is a normal flight duration for this route.
When did momondo last update prices for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?
As of March 2025, there is 1 operator available to choose from for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Los Angeles Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Los Angeles to Seattle?
Based on momondo bookings for flights between Los Angeles and Seattle, the leading plane model is Airbus A320neo, making up 18.50% of the total bookings. Other popular models include Boeing 737-900 with 11.71%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.63%, and Airbus A321neo with 6.84%.
What is the most popular airline from Los Angeles to Seattle?
Based on momondo bookings for flights between Los Angeles and Seattle, the leading airline is Alaska Airlines, making up 100% of the total bookings.
Best airlines flying from Los Angeles to Seattle
Compare and see reviews for airlines that fly from Los Angeles to Seattle with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $230 | Free cancellation | Rating 8.0 9,750 reviews |
Alaska Airlines Flights From Los Angeles to Seattle
Across 16 Alaska Airlines flights from Los Angeles to Seattle this week, the average price was $226, with the best Alaska Airlines deals starting from $146 round-trip. 9,750 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Los Angeles to Seattle?
It is quick and easy to find Los Angeles to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.
Can I find flights from Los Angeles to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Los Angeles which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Los Angeles to Seattle?
Once you have performed a search for Los Angeles to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Los Angeles to Seattle right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seattle from Los Angeles. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.