Cheap flights from Seattle to Andes

View AU$432 flight on Mon, 1 Jun. 2026Opens in a new window

Popular airlines from Seattle to Andes

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle (SEA) to Andes (UIO)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, 27 Oct. - Sun, 9 Nov.
SEA
Seattle
UIO
Quito
AU$891 Return, found 4 days ago
AU$891
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 27 Oct. from Seattle to Quito, returning Sun, 9 Nov., priced at AU$891 found 4 days ago
Alaska Airlines
Mon, 27 Oct. - Sun, 9 Nov.
SEA
Seattle
UIO
Quito
AU$914 Return, found 4 days ago
AU$914
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 27 Oct. from Seattle to Quito, returning Sun, 9 Nov., priced at AU$914 found 4 days ago
Delta
Sun, 1 Feb. - Sun, 8 Feb.
SEA
Seattle
UIO
Quito
AU$1,049 Return, found 6 days ago
AU$1,049
Return
found 6 days ago
Select Delta flight, departing Sun, 1 Feb. from Seattle to Quito, returning Sun, 8 Feb., priced at AU$1,049 found 6 days ago
LATAM Airlines Group
Sun, 1 Feb. - Sun, 8 Feb.
SEA
Seattle
UIO
Quito
AU$1,105 Return, found 6 days ago
AU$1,105
Return
found 6 days ago
Select LATAM Airlines Group flight, departing Sun, 1 Feb. from Seattle to Quito, returning Sun, 8 Feb., priced at AU$1,105 found 6 days ago
United
Sun, 1 Feb. - Sun, 8 Feb.
SEA
Seattle
UIO
Quito
AU$1,148 Return, found 6 days ago
AU$1,148
Return
found 6 days ago
Select United flight, departing Sun, 1 Feb. from Seattle to Quito, returning Sun, 8 Feb., priced at AU$1,148 found 6 days ago
American Airlines
Sun, 1 Feb. - Sun, 8 Feb.
SEA
Seattle
UIO
Quito
AU$1,156 Return, found 6 days ago
AU$1,156
Return
found 6 days ago
Select American Airlines flight, departing Sun, 1 Feb. from Seattle to Quito, returning Sun, 8 Feb., priced at AU$1,156 found 6 days ago

Find the cheapest month to fly from Seattle (SEA) to Quito (UIO)

February is typically the cheapest month to fly

From AU$815 - AU$1,400 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.