Cheap flights from Los Angeles to Seattle from $48
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Seattle departing on 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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 round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Spirit Airlines flights from Los Angeles to Seattle
Our best Spirit Airlines deals on Los Angeles to Seattle flight tickets
Frontier flights from Los Angeles to Seattle
Our best Frontier 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?
In general, January is the cheapest month to fly from Los Angeles to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $148. If you don’t want to visit Seattle in January, then you should wait until September to fly from Los Angeles, when ticket prices are also cheap, with an average price of $176.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Los Angeles is on a Saturday. momondo users have found tickets for Saturday departures for as low as $257. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Los Angeles because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $339.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Los Angeles at noon is the least expensive time of day to depart. momondo users have found prices as low as $234 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $310. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
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 $213 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 $176 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.
What is the cheapest airline that flies from Los Angeles to Seattle/Tacoma Intl?
Spirit Airlines, Frontier, and Delta are the most popular carriers operating from Los Angeles to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and Spirit Airlines are the top three most popular airlines that fly to Seattle from Los Angeles according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Los Angeles to Seattle on average per day?
As of March 2025, there are 69 flights per day flying from Los Angeles to Seattle. The most common time of day flights depart is 7:00PM, with 44% of flights taking off in the afternoon.
How many flights depart from Los Angeles to Seattle on average per week?
As of March 2025, there are 483 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Mon, with 21% 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?
Los Angeles and Seattle/Tacoma Intl are 959.2 mi apart from one another. 2h 49m 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 refreshed on a daily basis.
How many operators does momondo search for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport?
As of March 2025, there are 9 operators 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?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted 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 18.49% of the total bookings. Other popular models include Boeing 737-900 with 11.86%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.25%, and Boeing 737-900 Passenger/BBJ3 (winglets) with 6.69%.
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 37% of the total bookings. Other popular airlines include Delta with 23%, Spirit Airlines with 13%, and Frontier with 13%.
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 $39 | Free Cancellation | Rating 6.0 3,272 reviews | |||
| PriceFrom $61 | Free Cancellation | Rating 6.3 7,878 reviews | |||
| PriceFrom $88 | Free Cancellation | Rating 7.9 2,330 reviews | |||
| PriceFrom $136 | Free Cancellation | Rating 8.0 7,890 reviews | |||
| PriceFrom $146 | Free Cancellation | Rating 8.0 9,789 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 7.4 8,605 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $192 | Free Cancellation | Rating 8.0 4,274 reviews |
Delta Flights From Los Angeles to Seattle
Delta flight deals from Los Angeles to Seattle start from $136 round-trip. Over the 34 Delta flights for this route in a normal week, average airfare is usually $240 round-trip - but some users have found much cheaper deals with momondo.
Alaska Airlines Flights From Los Angeles to Seattle
$146 is the best Alaska Airlines flight deal from Los Angeles to Seattle found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to $248, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 9,789 user reviews) flies into Seattle from Los Angeles 22 times in an average week so prices can vary.
Traveling 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?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Los Angeles to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Los Angeles to Seattle with flexible booking policies on momondo?
All flight searches from Los Angeles to Seattle on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Los Angeles to Seattle?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Los Angeles to Seattle.
I’m not ready to book a flight from Los Angeles to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Los Angeles to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.