Flights from Los Angeles to Seattle from $146

Compare All LAX to SEA Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

2 of 2 flights

Airline	Schedule	Stops	Duration	Price
F9 F9 · 2342	14:40 LAX 12:46 SEA	0 stop(s)	22h 6m	$146 Best	Book →
F9 F9 · 1177	Schedule on partner site	Direct	—	$199	Book →

Airport Information

Key details about departure and arrival airports for this route

LAX

Los Angeles International Airport

City: Los Angeles
Country: US
Type: Large Airport
Elevation: 125 ft

LAX Airport Guide →

SEA

Seattle–Tacoma International Airport

City: Seattle
Country: US
Type: Large Airport
Elevation: 433 ft

SEA Airport Guide →

Tips for Los Angeles to Seattle Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book LAX–SEA flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $173, but prices as low as $146 are available. That’s a potential saving of 27% compared to the most expensive option.

✈ Direct vs Connecting

1 direct flight(s) available on this route , starting from $199 . Direct flights save you 2–5 hours of travel time.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on LAX–SEA is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Frequently Asked Questions

Everything you need to know about flying LAX to SEA

What is the cheapest flight from Los Angeles to Seattle?

The cheapest flight from Los Angeles (LAX) to Seattle (SEA) currently starts at $146 with F9. Prices are updated regularly and may vary by date and availability.

How many airlines fly from LAX to SEA?

We found 1 airline(s) operating on the LAX–SEA route, including F9.

Are there direct flights from Los Angeles to Seattle?

Yes, there are 1 direct flight(s) available from LAX to SEA, with prices starting at $199.

What is the average flight price on this route?

The average flight price from Los Angeles to Seattle is approximately $173. Prices range from $146 to $199 depending on airline, time, and class.

How long is the flight from LAX to SEA?

The average flight duration from Los Angeles to Seattle is approximately 22 hours 6 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on LAX–SEA flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.