Los Angeles to Seattle flights
Round trip · Economy · Prices per person in USD
Prices updated
Prices are low right now
$127 is $18 (12%) below the usual $145 for Los Angeles → Seattle.
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when Los Angeles → Seattle drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | $388 |
| October 2026 | $127 (cheapest month) |
| November 2026 | $127 (cheapest month) |
| December 2026 | No fares found yet |
| January 2027 | $199 |
Cheapest dates in the next 4 months
Round trip, per person-
Oct 30 – Nov 4 5 nights · leave Fri$127 −12% vs usual$127 −12% vs usual Book
Frontier Airlines Nonstop · 3h 02m -
Nov 12 – 15 3 nights · leave Thu$127 −12% vs usual$127 −12% vs usual Book
Frontier Airlines Nonstop · 3h 13m
-
Oct 31 – Nov 4 4 nights · leave Sat$134 −8% vs usual$134 −8% vs usual Book
Frontier Airlines Nonstop · 3h 13m
-
Oct 30 – Nov 3 4 nights · leave Fri$141$141 Book
Frontier Airlines Nonstop · 3h 02m
-
Oct 23 – 25 2 nights · leave Fri$145$145 Book
Frontier Airlines Nonstop · 3h 10m
-
Oct 31 – Nov 3 3 nights · leave Sat$147$147 Book
Frontier Airlines Nonstop · 3h 13m
-
Nov 9 – 11 2 nights · leave Mon$149$149 Book
Frontier Airlines Nonstop · 3h 02m
-
Nov 1 – 4 3 nights · leave Sun$152 +5% vs usual$152 +5% vs usual Book
Frontier Airlines Nonstop · 3h 13m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Seattle
Tickets and tours on KlookTo see tours and tickets here, turn on partner content in .
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Airport transfer to Seattle
Fixed prices from SEA on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
Seattle · Oct 30 – Nov 4Travel insurance · EKTA Airport transfer · Kiwitaxi
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Good to know
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Flights to Seattle from other cities
All flights to Seattle Flying the other way? Seattle to Los Angeles from $131
Los Angeles to Seattle: questions
How much is a flight from Los Angeles to Seattle?
The cheapest round trip we have found right now is $127, leaving October 30 and returning November 4. The usual price on this route is about $145, so this fare is 12% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Los Angeles to Seattle?
October 2026, with round trips from $127. The most expensive month in our data is September (from $388). Based on the 4 months ahead we have prices for.
Are there nonstop flights from Los Angeles to Seattle?
Yes. Nonstop from $127 round trip. 87% of the 15 date combinations we track are nonstop.
About this route
We track round-trip economy fares from Los Angeles (United States) to Seattle (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $127, departing October 30 and returning November 4 on a nonstop flight, about 12% below the usual $145. Right now we're following 15 upcoming date combinations on this route. The cheapest month to fly in our data is October, from $127. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.