Skyscanner

Southwest Airlines flights to Seattle

Travellers and cabin class

The best Southwest Airlines flight deals to Seattle

Looking for a last minute deal or the best direct flight? Find the biggest savings on one-way and return trips to Seattle with Southwest Airlines.
Seattle.$4,314 per passenger.Departing Wed, 7 May.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Los Cabos International on Wed, 7 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $4,314, select.
Seattle.$4,316 per passenger.Departing Fri, 25 Apr.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Los Cabos International on Fri, 25 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $4,316, select.
Seattle.$4,738 per passenger.Departing Fri, 18 Jul.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Los Cabos International on Fri, 18 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $4,738, select.
Seattle.$5,377 per passenger.Departing Fri, 27 Jun.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Puerto Vallarta on Fri, 27 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $5,377, select.
Seattle.$5,950 per passenger.Departing Sat, 23 Aug.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Puerto Vallarta on Sat, 23 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $5,950, select.
Seattle.$6,282 per passenger.Departing Thu, 13 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Cancun on Thu, 13 Nov, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $6,282, select.
Seattle.$6,284 per passenger.Departing Fri, 31 Oct.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Cancun on Fri, 31 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $6,284, select.
Seattle.$6,284 per passenger.Departing Wed, 24 Sep.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Cancun on Wed, 24 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $6,284, select.

Find the cheapest time to fly to Seattle with Southwest Airlines

Flexible on travel dates? Here's when fares are lowest.
Apr
from $4,316
May
from $4,314
Jun
from $5,377
Jul
from $4,738
Aug
from $5,950
Sep
from $6,284
Oct
from $6,284
Nov
from $6,282
Dec
from $7,278
Jan
from $17,806
Feb
Find prices
Mar
Find prices

Find which Seattle airports Southwest Airlines flies to

Compare routes to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier.

Flying to Seattle with Southwest Airlines

The things to know before you go.
Cheapest flight found$4,314
Cheapest month to flyApril

Flying to Seattle with Southwest Airlines: FAQs

The average Southwest Airlines flight time from Mexico to Seattle is 5 hours and 59 minutes.
At the moment, Aeromexico, Hawaiian Airlines, Alaska Airlines, Delta and Korean Air all fly to Seattle too.
Southwest Airlines currently also flies to Denver International, Las Vegas Harry Reid International and Baltimore Washington International.
Although it's difficult to get an accurate idea of when Southwest Airlines flights to Seattle are cheapest, the lowest fares are currently for departures in April.

More travel options

Sunwing Airlines flights to New Orleans Louis ArmstrongSWISS flights to SingaporeAmerican Airlines flights to Greater Peoria AirportAeromexico flights to Hartford Bradley International AirportBritish Airways flights to Calgary AirportWestJet flights to London Gatwick AirportLufthansa flights to Budapest AirportAir Canada flights to Yellowknife AirportDelta flights to Miami International Airport
Air Europa flights to Tijuana AirportWestJet flights to Mazatlan AirportSpirit Airlines flights to Phoenix Sky Harbor AirportSWISS flights to FrankfurtSingapore Airlines flights to OrlandoAir New Zealand flights to VancouverAmerican Airlines flights to ChicagoDelta flights to Denver InternationalFrontier Airlines flights to New York
Singapore Airlines flights to TokyoAir France flights to Paris