Cheap flights to Seattle
Round trips from 15 cities to Seattle, United States, from $122. Economy, per person, in USD.
Prices updated
Flights to Seattle by departure city
Cheapest round trip, per person-
San Diego → Seattle
Dec 12 – 15 · Nonstop
$122
-
Los Angeles → Seattle
Dec 5 – 8 · Nonstop
$143
-
Denver → Seattle
Feb 14 – 16, 2027 · 1 stop
$145
-
San Jose → Seattle
Dec 15 – 24 · Nonstop
$156
-
Oakland → Seattle
Dec 8 – 10 · Nonstop
$167
-
San Francisco → Seattle
Dec 8 – 10 · Nonstop
$167
-
Ontario → Seattle
Dec 8 – 10 · 1 stop
$176
-
Las Vegas → Seattle
Nov 19 – 22 · Nonstop
$259
-
Charlotte → Seattle
Nov 27 – 30 · 1 stop
$305
-
Minneapolis → Seattle
Dec 24 – 27 · 1 stop
$316
-
New York → Seattle
Jan 14 – 20, 2027 · Nonstop
$317
-
Washington → Seattle
Jan 22 – 25, 2027 · 1 stop
$346
-
Edmonton → Seattle
Feb 12 – 14, 2027 · 1 stop
$362
-
Chicago → Seattle
Nov 25 – 27 · 1 stop
$435
-
Boston → Seattle
Nov 23 – 30 · 1 stop
$591
Cheapest month to fly to Seattle
Lowest round trip per departure month, any of our cities| Month | Cheapest round trip |
|---|---|
| November 2026 | $259 from Las Vegas |
| December 2026 | $122 from San Diego (cheapest month) |
| January 2027 | $183 from San Francisco |
| February 2027 | $145 from Denver |
| March 2027 | No fares found yet |
| April 2027 | $254 from Los Angeles |
| May 2027 | $357 from San Jose |
| June 2027 | $240 from Los Angeles |
Cheapest dates to Seattle
Best date pair from each city-
Dec 12 – 15 from San Diego · 3 nights$122Book
Southwest Airlines Nonstop -
Dec 5 – 8 from Los Angeles · 3 nights$143Book
Alaska Airlines Nonstop -
Feb 14 – 16, 2027 from Denver · 2 nights$145Book
Southwest Airlines 1 stop -
Dec 15 – 24 from San Jose · 9 nights$156Book
Southwest Airlines Nonstop -
Dec 8 – 10 from Oakland · 2 nights$167Book
Alaska Airlines Nonstop -
Dec 8 – 10 from San Francisco · 2 nights$167Book
Alaska Airlines Nonstop -
Dec 8 – 10 from Ontario · 2 nights$176Book
Frontier Airlines 1 stop -
Nov 19 – 22 from Las Vegas · 3 nights$259Book
Frontier Airlines Nonstop
Prices change often. The booking site shows the final price before you pay.
Things to do in Seattle
Tickets and tours on KlookTo see tours and tickets here, turn on partner content in .
Partner widget: we may earn a commission if you book, at no extra cost to you.
Airport transfer to Seattle
Fixed prices from SEA on KiwitaxiTo see transfer prices here, turn on partner content in .
Partner widget: we may earn a commission if you book, at no extra cost to you.
Flights to Seattle: questions
Which city has the cheapest flights to Seattle?
Right now it's San Diego: round trips from $122 (Dec 12 – 15, nonstop). Next cheapest: Los Angeles from $143 and Denver from $145. We compare 15 departure cities.
What is the cheapest month to fly to Seattle?
December 2026: the cheapest round trip we have found departing that month is $122. The most expensive month in our data is May, where the cheapest round trip is $357. Based on the 7 months ahead we track.
Are there nonstop flights to Seattle?
Yes. We have found nonstop round trips from San Diego, Los Angeles, San Jose and Oakland. The cheapest is $122 from San Diego.
More of United States
-
Atlanta from $30
-
Las Vegas from $38
-
San Francisco from $45
-
Charlotte from $47
-
Fort Lauderdale from $48
-
Orlando from $49
-
Los Angeles from $51
-
Washington from $53
Popular destinations
-
London from $36
-
Istanbul from $47
-
Paris from $32
-
Tokyo from $71
-
Rome from $34
-
Cancun from $68
-
Barcelona from $40
-
Bangkok from $159
About these prices
We track round-trip economy fares to Seattle (United States) from the cities listed above using Travelpayouts / Aviasales data, and refresh every route about once a day. The cheapest round trip we've found is $122 from San Diego. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.