Cheap flights from Los Angeles to Seattle from $18
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 3/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from Los Angeles to Seattle
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Spirit Airlines flights from Los Angeles to Seattle
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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 Thursday. momondo users have found tickets for Thursday departures for as low as $268. 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 $349.
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 $235 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $316. 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 $221 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 $178 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?
Frontier, Spirit Airlines, and Alaska Airlines 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 57% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 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 February 2025, there are 83 flights per day flying from Los Angeles to Seattle. The most common time of day flights depart is 11:00AM, with 45% of flights taking off at noon.
How many flights depart from Los Angeles to Seattle on average per week?
As of February 2025, there are 585 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Thu, 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 45m 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 February 2025, there are 8 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 16.54% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 12.92%, Boeing 737-900 with 10.86%, and Airbus A321neo with 9.35%.
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 39% of the total bookings. Other popular airlines include Delta with 24%, Spirit Airlines with 12%, and United Airlines with 11%.
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 3,355 reviews | |||
| PriceFrom $61 | Free Cancellation | Rating 6.3 8,013 reviews | |||
| PriceFrom $137 | Free Cancellation | Rating 8.0 8,219 reviews | |||
| PriceFrom $146 | Free Cancellation | Rating 8.0 9,697 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 7.4 8,765 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $182 | Free Cancellation | Rating 8.1 4,411 reviews |
Southwest Flights From Los Angeles to Seattle
Southwest flight deals from Los Angeles to Seattle start from $182 round-trip. Over the 2 Southwest flights for this route in a normal week, average airfare is usually $356 round-trip - but some users have found much cheaper deals with momondo.
Delta Flights From Los Angeles to Seattle
$137 is the best Delta flight deal from Los Angeles to Seattle found on momondo over the last 72 hours. The average Delta ticket price found was closer to $247, however, with flight time and availability significantly affecting the price. Delta (8.0/10 from 8,219 user reviews) flies into Seattle from Los Angeles 27 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.