Save money when you book flights with momondo
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
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?
If you’re not able to fly to Seattle in January, then September is your next best option. Flight prices from Los Angeles to Seattle during September average around €149.
What is the cheapest time of day to depart on your flight to Seattle?
Our data shows that the cheapest Los Angeles to Seattle flights are usually those with departure times at midday. Our users have found flights to Seattle at midday for as low as €151. Flights in the afternoon are often more expensive, with an average ticket price of €1,144.
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 €175 when searching weeks before you fly. 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 €146 on momondo.
How have Los Angeles to Seattle flight prices changed over time?
As of July 2025, prices for Los Angeles to Seattle flights are approximately 10% cheaper when compared to flights at the same time last year.
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?
Seattle/Tacoma Intl is 1543.7 km away from Los Angeles.
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 were last updated today.
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 stopovers 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 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 licence 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 flights between Los Angeles and Seattle, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 12.90% of the total bookings. Other popular models include Boeing 737-900 Passenger/BBJ3 (winglets) with 9.57%, Airbus A320neo with 8.77%, and Boeing 737-900 with 8.35%.
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?
Finding the right flight to Seattle from Los Angeles is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
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?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Los Angeles and alert you when they change.