Find cheap flights to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$133
Typical prices: $278-$542
Alaska Airlines
Fri 12/14Fri 1/5
SAN - SEA • Non-stop
Cheapest one-way
$79
Typical prices: $171-$375
Delta
Fri 12/14
SAN - SEA • Non-stop
Advice from real travelers
Delta adds free Wi-Fi and Comfort Plus legroom on domestic Seattle flights.
On Alaska, Saver flyers should add bags early; seat selection helps avoid middles.
Nonstop flights
You can fly direct with Alaska Airlines, Delta and others. Average duration is 3h 21m.
Top airlines
Most flights • 1,902 per week
Best reviews • 8.0 score
Top routes
Cheapest • 36% average savings
Most popular
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 38% compared to booking last minute.
When to travel
Cheapest • 29% price drop
Most popular
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We hope you love your trip to Seattle!

Cheap Flights to Seattle

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals to Seattle

Mon, Dec 14 - Tue, Jan 5
Alaska Airlines Logo
6:15 am - 9:32 amSAN  San Diego-SEA Seattle/Tacoma Intl
3h 17mnonstop
Alaska Airlines Logo
2:56 pm - 5:42 pmSEA  Seattle/Tacoma Intl-SAN San Diego
2h 46mnonstop
$133Alaska Airlines
Tue, Dec 1 - Sat, Dec 12
Alaska Airlines Logo
6:15 am - 9:32 amSAN  San Diego-SEA Seattle/Tacoma Intl
3h 17mnonstop
Alaska Airlines Logo
6:30 pm - 9:17 pmSEA  Seattle/Tacoma Intl-SAN San Diego
2h 47mnonstop
$133Alaska Airlines
Tue, Dec 1 - Thu, Dec 10
Southwest Logo
5:45 pm - 8:55 pmSAN  San Diego-SEA Seattle/Tacoma Intl
3h 10mnonstop
Southwest Logo
7:00 am - 9:40 amSEA  Seattle/Tacoma Intl-SAN San Diego
2h 40mnonstop
$133Southwest
Tue, Dec 1 - Thu, Dec 10
Southwest Logo
5:05 pm - 9:40 pmSAN  San Diego-SEA Seattle/Tacoma Intl
4h 35m1 stop Oakland
Southwest Logo
6:30 pm - 9:20 pmSEA  Seattle/Tacoma Intl-SAN San Diego
2h 50mnonstop
$139Southwest
Thu, Dec 10 - Mon, Dec 14
Frontier Logo
5:03 pm - 8:04 pmLAX  Los Angeles-SEA Seattle/Tacoma Intl
3h 01mnonstop
Frontier Logo
1:21 pm - 4:03 pmSEA  Seattle/Tacoma Intl-LAX Los Angeles
2h 42mnonstop
$143Frontier
Thu, Dec 3 - Sun, Dec 6
Frontier Logo
7:00 am - 12:27 pmLAX  Los Angeles-SEA Seattle/Tacoma Intl
5h 27m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:09 pm - 7:19 amSEA  Seattle/Tacoma Intl-LAX Los Angeles
10h 10m1 stop Las Vegas Harry Reid Intl
$145Frontier
Thu, Dec 10 - Sun, Dec 13
Delta Logo
5:29 pm - 8:19 pmLAX  Los Angeles-SEA Seattle/Tacoma Intl
2h 50mnonstop
Delta Logo
5:37 pm - 8:20 pmSEA  Seattle/Tacoma Intl-LAX Los Angeles
2h 43mnonstop
$147Delta
Fri, Dec 4 - Sun, Dec 6
Delta Logo
12:14 pm - 3:11 pmLAX  Los Angeles-SEA Seattle/Tacoma Intl
2h 57mnonstop
Delta Logo
9:20 pm - 11:59 pmSEA  Seattle/Tacoma Intl-LAX Los Angeles
2h 39mnonstop
$147Delta
Wed, Dec 2 - Thu, Dec 3
Multiple Airlines Logo
12:30 pm - 3:27 pmLAX  Los Angeles-SEA Seattle/Tacoma Intl
2h 57mnonstop
Multiple Airlines Logo
1:32 pm - 4:17 pmSEA  Seattle/Tacoma Intl-LAX Los Angeles
2h 45mnonstop
$148Multiple Airlines
Thu, Dec 10 - Sat, Dec 12
Multiple Airlines Logo
5:03 pm - 8:04 pmLAX  Los Angeles-SEA Seattle/Tacoma Intl
3h 01mnonstop
Multiple Airlines Logo
2:01 pm - 4:41 pmSEA  Seattle/Tacoma Intl-LAX Los Angeles
2h 40mnonstop
$152Multiple Airlines