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Not ready to book? to track prices.Find the cheapest flights from Los Angeles to Seattle
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United Airlines flights from Los Angeles to Seattle
Our best United Airlines deals on Los Angeles to Seattle flight tickets
Alaska Airlines flights from Los Angeles to Seattle
Our best Alaska 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 typical price of a round-trip flight between Los Angeles and Seattle?
What is the cheapest month to fly to Seattle?
If you aren’t able to travel to Seattle during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 242.
What is the cheapest day to depart on your flight to Seattle?
Our data shows that Friday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 226. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 573. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.
What is the cheapest time of day to depart on your flight to Seattle?
Our most recent data shows that the best time of day to fly to Seattle is in the afternoon. Flights from Los Angeles to Seattle during this time can be as low as C$ 201. Flights in the morning are often more expensive with an average ticket price of C$ 501.
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 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 283 when searching 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 C$ 235 on momondo.
What cabin class options are available on Los Angeles to Seattle/Tacoma Intl flights?
There are 3 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?
The number of flights available between Los Angeles and Seattle is 80 per day as of June 2025. The most frequent departure time is 11:00a.m., with 39% of daily flights leaving at noon.
How many flights depart from Los Angeles to Seattle on average per week?
As of June 2025, there are 561 flights per week flying from Los Angeles to Seattle. The most common day of the week flights depart is Thu, with 24% 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. In terms of flight time, this usually takes a little over 2h 41m.
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 June 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 license 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?
momondo data reveals that the most frequently booked plane model on the route from Los Angeles to Seattle is Boeing 737-800 Passenger/BBJ2 (winglets), representing 12.23% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 9.56%, Airbus A320neo at 9.20%, and Boeing 737-900 at 8.62%.
What is the most popular airline from Los Angeles to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Los Angeles to Seattle is Alaska Airlines (100% of 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 C$ 187 | Free Cancellation | Rating 8.0 10,000 reviews |
Alaska Airlines Flights From Los Angeles to Seattle
Alaska Airlines flies from Los Angeles to Seattle around 23 times per week, with 10,000 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Los Angeles to Seattle in the last 72 hours was C$ 136 (round-trip), much lower than the average airfare cost of C$ 227 for Alaska Airlines flights on this route.
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?
Yes. momondo enables you to select and highlight flights to Seattle from Los Angeles with this policy.
How can momondo help me find flights from Los Angeles to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Los Angeles. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Los Angeles to Seattle right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Los Angeles to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.