$114 Cheap United flights Phoenix (PHX) to Seattle (SEA)

View $114 flight on Wed, Dec 24, 2025Opens in a new window

$114 Cheap United flights Phoenix (PHX) to Seattle (SEA)

Prices were available within the past 7 days and start at $114 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 20 - Thu, Jan 22
PHX
Phoenix
SEA
Seattle
$217 Roundtrip, found 15 hours ago
$217
Roundtrip
found 15 hours ago
Select United flight, departing Tue, Jan 20 from Phoenix to Seattle, returning Thu, Jan 22, priced at $217 found 15 hours ago

Find the cheapest month to fly from Phoenix (PHX) to Seattle (SEA)

February is typically the cheapest month to fly

From $58 - $142 per traveler.

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 $230
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $230
Flights from Phoenix (PHX) to Seattle (SEA)
Origin airport
Sky Harbor Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
1770 km
Average flight time
2 hours 15 mins