Cheap flights from Los Angeles to Seattle from £46
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 5/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
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
Southwest flights from Los Angeles to Seattle
Our best Southwest 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?
The cheapest month to fly to Seattle from Los Angeles is in January. Flight prices, which tend to average around £115, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Seattle, with average flight prices from Los Angeles averaging around £136.
What is the cheapest day to depart on your flight to Seattle?
According to our data, Wednesday is the cheapest day to fly to Seattle from Los Angeles. The lowest ticket price found for a Wednesday departure recently was £260. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Seattle on Saturday is £1,154.
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 £261. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at midday are often more expensive, with an average ticket price of £797.
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 £170 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 £137 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?
The number of flights available between Los Angeles and Seattle is 48 per day as of March 2025. The most frequent departure time is 11:00, with 45% of daily flights leaving at midday.
How many flights depart from Los Angeles to Seattle on average per week?
As of March 2025, 341 flights take off from Los Angeles and land in Seattle each week. The most common flight departure day for this route is Fri, with 31% of weekly 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?
A flight from Los Angeles to Seattle/Tacoma Intl will travel around 959.2 mi. Flights usually cover this in 2h 45m, depending on flying conditions and air traffic around both airports.
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?
There are 2 operators available for flights from Los Angeles Airport to Seattle/Tacoma Intl Airport as of March 2025.
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 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 this flight route, the most popular plane model on flight routes from Los Angeles to Seattle is Airbus A320neo (17.69% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (12.01%), Boeing 737-900 (11.13%), and Airbus A321neo (8.34%).
What is the most popular airline from Los Angeles to Seattle?
momondo data reveals that the most frequently booked airline on the route from Los Angeles to Seattle is Alaska Airlines, representing 68% of all bookings. The subsequent popular airline is Delta at 32%.
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 £92 | Free Cancellation | Rating 8.0 8,024 reviews | |||
| PriceFrom £99 | Free Cancellation | Rating 8.0 9,718 reviews |
Delta Flights From Los Angeles to Seattle
Delta flight deals from Los Angeles to Seattle start from £118 round-trip. Over the 13 Delta flights for this route in a normal week, average airfare is usually £397 round-trip - but some users have found much cheaper deals with momondo.
Alaska Airlines Flights From Los Angeles to Seattle
Across 9,716 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Los Angeles to Seattle about 12 times each week, with ticket deals ranging from £128 to £277. Price data is based on momondo searches in the last 72 hours.
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?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Los Angeles.
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?
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?
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.