Cheap flights from SeaTac

View NZ$101 flight on Sun, 16 Nov 2025Opens in a new window

Popular airlines from SeaTac

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Air Canada

    Air Canada

  • Frontier Airlines

    Frontier Airlines

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from SeaTac

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 28 Oct - Sat, 1 Nov
SEA
Seattle
DEN
Denver
NZ$189 Return, found 1 day ago
NZ$189
Return
found 1 day ago
Select Delta flight, departing Tue, 28 Oct from Seattle to Denver, returning Sat, 1 Nov, priced at NZ$189 found 1 day ago
Delta
Fri, 24 Oct - Sun, 26 Oct
SEA
Seattle
DEN
Denver
NZ$265 Return, found 1 day ago
NZ$265
Return
found 1 day ago
Select Delta flight, departing Fri, 24 Oct from Seattle to Denver, returning Sun, 26 Oct, priced at NZ$265 found 1 day ago
Alaska Airlines
Fri, 21 Nov - Sat, 6 Dec
SEA
Seattle
DEN
Denver
NZ$272 Return, found 6 days ago
NZ$272
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 21 Nov from Seattle to Denver, returning Sat, 6 Dec, priced at NZ$272 found 6 days ago
Delta
Fri, 24 Oct - Thu, 30 Oct
SEA
Seattle
SFO
San Francisco
NZ$272 Return, found 3 days ago
NZ$272
Return
found 3 days ago
Select Delta flight, departing Fri, 24 Oct from Seattle to San Francisco, returning Thu, 30 Oct, priced at NZ$272 found 3 days ago
Delta
Sat, 15 Nov - Mon, 17 Nov
SEA
Seattle
LAS
Las Vegas
NZ$273 Return, found 3 days ago
NZ$273
Return
found 3 days ago
Select Delta flight, departing Sat, 15 Nov from Seattle to Las Vegas, returning Mon, 17 Nov, priced at NZ$273 found 3 days ago
Hawaiian Airlines
Tue, 21 Oct - Fri, 31 Oct
SEA
Seattle
DEN
Denver
NZ$289 Return, found 6 days ago
NZ$289
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, 21 Oct from Seattle to Denver, returning Fri, 31 Oct, priced at NZ$289 found 6 days ago
Delta
Fri, 31 Oct - Sat, 15 Nov
SEA
Seattle
DEN
Denver
NZ$303 Return, found 6 days ago
NZ$303
Return
found 6 days ago
Select Delta flight, departing Fri, 31 Oct from Seattle to Denver, returning Sat, 15 Nov, priced at NZ$303 found 6 days ago
Hawaiian Airlines
Tue, 21 Oct - Sat, 25 Oct
SEA
Seattle
DEN
Denver
NZ$306 Return, found 6 days ago
NZ$306
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, 21 Oct from Seattle to Denver, returning Sat, 25 Oct, priced at NZ$306 found 6 days ago
United
Tue, 28 Oct - Sat, 1 Nov
SEA
Seattle
DEN
Denver
NZ$316 Return, found 1 day ago
NZ$316
Return
found 1 day ago
Select United flight, departing Tue, 28 Oct from Seattle to Denver, returning Sat, 1 Nov, priced at NZ$316 found 1 day ago
American Airlines
Thu, 6 Nov - Mon, 10 Nov
SEA
Seattle
LAX
Los Angeles
NZ$339 Return, found 12 hours ago
NZ$339
Return
found 12 hours ago
Select American Airlines flight, departing Thu, 6 Nov from Seattle to Los Angeles, returning Mon, 10 Nov, priced at NZ$339 found 12 hours ago

Flights from SeaTac: Essential Travel Information

Cheapest flight from SeaTac
NZ$189 (roundtrip)
Best airlines to fly from SeaTac
Delta, Hawaiian Airlines, Alaska Airlines, American Airlines, United
Cheapest month to fly from SeaTac
October
SeaTac IATA code
SEA
SeaTac Country/State
Seattle
Airline ticket deals from SeaTac
NZ$189 - NZ$339

 

*Available to Expedia members.