LAX → SEA

Find and Compare the Cheapest Ways to Fly from Los Angeles to Seattle

Compare one-way, round-trip and flight + hotel packages from Los Angeles to Seattle, a nonstop flight of about 2h 25m, with fares from around 165. Nonstop fares seen from Alaska, Frontier and United.

Los Angeles to Seattle flight facts

Los Angeles to Seattle is a domestic route covering about 955 miles, arriving at Seattle-Tacoma International Airport (SEA) in United States. Peak travel season in Seattle runs July–September (dry, sunny and mild), while November–April is usually the quietest and best-value time to visit. Nonstop fares we've tracked on this route come from Alaska, Frontier and United.

Key facts for flights from Los Angeles to Seattle
Departing fromLos Angeles International Airport (LAX)
Arriving atSeattle-Tacoma International Airport (SEA)
Distance955 miles (1,537 km)
Nonstop flight timeAbout 2h 25m
Nonstop airlines seenAlaska, Frontier and United
Round-trip fares from$165 (estimate)
Cheapest monthsFebruary, September, January
Peak season in SeattleJuly–September
Cheapest hotel months in SeattleNovember–April
Best time to book1 to 3 months ahead
Route info updatedOctober 16, 2026

When to visit Seattle

  • Peak season

    July–September

    Dry, sunny and mild

  • Shoulder season

    May–June & October

    Cool with mixed sun

  • Off-peak season

    November–April

    Grey, drizzly and cool

Estimated round-trip fares by month, Los Angeles to Seattle

Estimated lowest round-trip fare per month
MonthFares from
January$180
February$165
March$195
April$180
May$180
June$205
July$235
August$225
September$165
October$190
November$220
December$250

Flying from Los Angeles to Seattle

Airlines Flying this Route

Nonstop fares we've tracked on this route come from Alaska, Frontier and United. Ducoffs.com compares full-service and low-cost airlines flying between Los Angeles and Seattle in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Los Angeles to Seattle

Fares on this route tend to be lowest in February, September, and January. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.

Average Travel Duration

Los Angeles and Seattle are about 955 miles apart. A nonstop flight takes roughly 2h 25m; connecting itineraries usually add 2 to 5 hours.

Los Angeles to Seattle flight questions

How can I find the absolute cheapest flight from Los Angeles to Seattle?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

What is the cheapest month to fly from Los Angeles to Seattle?

Based on typical seasonal demand, February, September, and January tend to offer the lowest fares on this route, with estimated round-trip prices starting around $165. Live prices change daily, so run a search for your exact dates.

How long is the flight from Los Angeles to Seattle?

Los Angeles and Seattle are about 955 miles apart. A nonstop flight takes roughly 2h 25m, while connecting itineraries usually add 2 to 5 hours depending on the layover.

Which airlines fly nonstop from Los Angeles to Seattle?

Recent nonstop fares we've tracked on this route come from Alaska, Frontier and United. Schedules change by season, so your live search shows every airline flying your dates.

When are hotels cheapest in Seattle?

Hotel rates in Seattle are usually lowest in November–April, when demand is quieter, and highest during peak season (July–September). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for Seattle?

This route arrives at Seattle-Tacoma International Airport (SEA). Your search results also show nearby airports when they offer a cheaper or faster option.

How far in advance should I book a flight to Seattle?

For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.