Lowest Prices
Find the lowest SEA airfares by comparing hundreds of airlines and agencies.
Good to Know: Flights to SEA
Useful information for finding cheap flights to Seattle Tacoma International and booking your next trip
Cheapest Round Trip Flight
$417
Delta Airlines• nonstop • 5h 1mNov 20 – Nov 28
The cheapest round trip flight from Ontario International to Seattle Tacoma International is currently $417
Cheapest One way Flight
$914
Hahn Air• 2 stops• 38h 50mDec 14
The cheapest one way flight from Bandaranaike International Colombo to Seattle Tacoma International is currently $914
Cheapest Direct Flight
$348
Alaska Airlines• nonstop• 4h 14mNov 20
The cheapest nonstop flight from Ontario International to Seattle Tacoma International is currently $348
Fastest Flight
4h 13m
The fastest nonstop flight from Ontario International to Seattle Tacoma International takes 4h 13m
Best Flight Deals to Seattle
Identify the most efficient round-trip flights to Seattle. We present options balancing cost and convenience for your return journey.
Nov 20 - Nov 28, Economy
Ontario → Seattle
5h 1m
5:56 PM - 8:57 PM • nonstop
Ontario → Seattle
4h 9m
8:11 PM - 11:00 PM • nonstop
Delta Airlines
Nov 20 - Nov 28, Economy
Ontario → Seattle
42h 17m
5:04 PM - 6:41 PM • 1 stop
Ontario → Seattle
4h 9m
8:11 PM - 11:00 PM • nonstop
Delta Airlines
Nov 20 - Nov 28, Economy
Ontario → Seattle
4h 19m
11:57 AM - 2:56 PM • nonstop
Ontario → Seattle
20h 19m
11:30 AM - 11:49 PM • 1 stop
Delta Airlines
Nov 20 - Nov 28, Economy
Ontario → Seattle
10h 40m
6:00 AM - 12:40 PM • 1 stop
Ontario → Seattle
20h 19m
11:30 AM - 11:49 PM • 1 stop
Delta Airlines
Nov 20 - Nov 28, Economy
Ontario → Seattle
10h 55m
5:04 PM - 11:59 PM • 1 stop
Ontario → Seattle
20h 19m
11:30 AM - 11:49 PM • 1 stop
Delta Airlines
For travel requiring no set return, access available one-way flights to Seattle (SEA). These options support extended stays or open-ended plans.
Need to travel to Seattle soon? View current last-minute flight options to SEA for spontaneous or pressing plans.
Maximize your time in Seattle, not in transit. Discover non-stop direct flights to SEA for the quickest, most straightforward journey to the Strip.
Nov 20 - Nov 28, Economy
Ontario → Seattle
4h 14m
12:32 PM - 3:26 PM • nonstop
Ontario → Seattle
4h
6:00 AM - 8:40 AM • nonstop
Alaska Airlines
Nov 20 - Nov 28, Economy
Ontario → Seattle
4h 13m
3:23 PM - 6:16 PM • nonstop
Ontario → Seattle
4h
6:00 AM - 8:40 AM • nonstop
Alaska Airlines
Nov 20 - Nov 28, Economy
Ontario → Seattle
5h 1m
5:56 PM - 8:57 PM • nonstop
Ontario → Seattle
4h 9m
8:11 PM - 11:00 PM • nonstop
Delta Airlines
Nov 20 - Nov 28, Economy
Ontario → Seattle
5h 1m
7:00 AM - 10:01 AM • nonstop
Ontario → Seattle
4h 9m
8:11 PM - 11:00 PM • nonstop
Delta Airlines
Nov 20 - Nov 28, Economy
Ontario → Seattle
4h 19m
11:57 AM - 2:56 PM • nonstop
Ontario → Seattle
4h 9m
8:11 PM - 11:00 PM • nonstop
Delta Airlines
Destination Airport Information
| IATA Code | SEA |
| Name | Seattle Tacoma International |
| City | Seattle |
| Country | US |
| Latitude | 47.44900131225586 |
| Longitude | -122.30899810791016 |
Popular Airlines
More Flight Options to Seattle, SEA
Why Bargainspricer for Flights to SEA
New Deals Everyday
Never miss a deal on SEA flights—we update prices daily to bring you the best airfares.
Best Travel Options
Compare hundreds of SEA flights and find the best deals without any added service charges.