$578 Cheap United flights Seattle (SEA) to Istanbul (IST)

View $578 flight on Mon, Sep 1, 2025Opens in a new window

$578 Cheap United flights Seattle (SEA) to Istanbul (IST)

Prices were available within the past 7 days and start at $578 for one-way flights and $1,113 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Mon, Sep 1 - Sat, Sep 20
SEA
Seattle
IST
Istanbul
$1,113
Roundtrip
Found 3 days ago
Select United flight, departing Mon, Sep 1 from Seattle to Istanbul, returning Sat, Sep 20, priced at $1,113 Found 3 days ago
United
Mon, Sep 1 - Sat, Sep 20
SEA
Seattle
IST
Istanbul
$1,173
Roundtrip
Found 3 days ago
Select United flight, departing Mon, Sep 1 from Seattle to Istanbul, returning Sat, Sep 20, priced at $1,173 Found 3 days ago
United
Mon, Sep 1 - Sat, Sep 20
SEA
Seattle
IST
Istanbul
$1,190
Roundtrip
Found 3 days ago
Select United flight, departing Mon, Sep 1 from Seattle to Istanbul, returning Sat, Sep 20, priced at $1,190 Found 3 days ago
United
Mon, Sep 1 - Sat, Sep 20
SEA
Seattle
IST
Istanbul
$1,195
Roundtrip
Found 3 days ago
Select United flight, departing Mon, Sep 1 from Seattle to Istanbul, returning Sat, Sep 20, priced at $1,195 Found 3 days ago
Flights from Seattle (SEA) to Istanbul (IST)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Istanbul
Distance
9689 km
Average flight time
21 hours 52 mins