Flights to Andes from Seattle - $270

View $270 flight on Thu, Jan 1, 2026Opens in a new window

Popular airlines from Seattle to Andes

  • LATAM Airlines Group

    LATAM Airlines Group

  • United

    United

  • American Airlines

    American Airlines

  • Copa

    Copa

  • Delta

    Delta

  • Avianca

    Avianca

  • Air Canada

    Air Canada

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Cheap Flights from Seattle to Andes (SEA-UIO)

Prices were available within the past 7 days and start at $270 for one-way flights and $586 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Oct 27 - Sun, Nov 9
SEA
Seattle
UIO
Quito
$586 Roundtrip, found 1 day ago
$586
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Oct 27 from Seattle to Quito, returning Sun, Nov 9, priced at $586 found 1 day ago
United
Tue, Oct 28 - Sun, Nov 9
SEA
Seattle
UIO
Quito
$601 Roundtrip, found 1 day ago
$601
Roundtrip
found 1 day ago
Select United flight, departing Tue, Oct 28 from Seattle to Quito, returning Sun, Nov 9, priced at $601 found 1 day ago
Alaska Airlines
Mon, Nov 10 - Sun, Nov 16
SEA
Seattle
UIO
Quito
$606 Roundtrip, found 2 days ago
$606
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Nov 10 from Seattle to Quito, returning Sun, Nov 16, priced at $606 found 2 days ago
avianca
Tue, Oct 7 - Tue, Oct 21
SEA
Seattle
UIO
Quito
$699 Roundtrip, found 1 day ago
$699
Roundtrip
found 1 day ago
Select avianca flight, departing Tue, Oct 7 from Seattle to Quito, returning Tue, Oct 21, priced at $699 found 1 day ago
Delta
Tue, Jan 20 - Tue, Jan 27
SEA
Seattle
UIO
Quito
$774 Roundtrip, found 22 hours ago
$774
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Jan 20 from Seattle to Quito, returning Tue, Jan 27, priced at $774 found 22 hours ago
American Airlines
Mon, Jan 19 - Mon, Jan 26
SEA
Seattle
UIO
Quito
$774 Roundtrip, found 22 hours ago
$774
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Mon, Jan 19 from Seattle to Quito, returning Mon, Jan 26, priced at $774 found 22 hours ago

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

February is typically the cheapest month to fly

From $531 - $912 per traveler.

Graph displaying average flight prices per month

Alternative airports

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

Select flight to Mariscal Sucre Intl. UIO. Cheapest option available. Flights from $1,034
UIO
Mariscal Sucre Intl.
Cheapest
Flights from $1,034
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