$144 Cheap United flights San Francisco (SFO) to Seattle (SEA)

View $144 flight on Wed, Apr 22, 2026Opens in a new window

$144 Cheap United flights San Francisco (SFO) to Seattle (SEA)

Prices were available within the past 7 days and start at $144 for one-way flights and $207 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Apr 22 - Sat, Apr 25
SFO
San Francisco
SEA
Seattle
$207 Roundtrip, found 5 days ago
$207
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 22 from San Francisco to Seattle, returning Sat, Apr 25, priced at $207 found 5 days ago
United
Wed, Apr 22 - Sat, Apr 25
SFO
San Francisco
SEA
Seattle
$218 Roundtrip, found 5 days ago
$218
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 22 from San Francisco to Seattle, returning Sat, Apr 25, priced at $218 found 5 days ago
United
Wed, Apr 22 - Sat, Apr 25
SFO
San Francisco
SEA
Seattle
$258 Roundtrip, found 5 days ago
$258
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 22 from San Francisco to Seattle, returning Sat, Apr 25, priced at $258 found 5 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $191
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $191

Find the cheapest month to fly from San Francisco (SFO) to Seattle (SEA)

February is typically the cheapest month to fly

From $82 - $132 per traveler.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
1086 km
Average flight time
2 hours 16 mins

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