Nonstop flights from Seattle to Istanbul from $909 BFI, SEA → IST, SAW
Boeing Field International Airport (BFI), Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)
The cheapest nonstop return found recently is $909 with Turkish Airlines, 22 Mar 2027 – 13 Apr 2027, found 2 days ago.
Nonstop return
The cheapest nonstop return fare on each of 10 departure dates is usually $953 to $1,243.
Cheapest nonstop return
$909
22 Mar 2027 – 13 Apr 2027 · Turkish Airlines
Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)
Leaves 8:05 p.m. · Return leaves 3:35 a.m. · 24 h 30 min of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Airlines flying it nonstop on the return fares we hold: Turkish Airlines (10 departure dates).
On the 8 trips where we hold both on the same dates, nonstop cost a median $171 (22.8%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 1 of those 8 trips.
Every nonstop date we hold
Nonstop fares on 10 of the 43 departure dates we hold for this route.
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 18 Nov – 15 Jan 2027 | $1,332 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 28 Nov – 19 Dec | $953 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 2 Dec – 7 Dec | $935 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 4 Dec – 11 Dec | $976 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 10 Mar 2027 – 20 Mar 2027 | $963 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 22 Mar 2027 – 13 Apr 2027 | $909 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 4 Apr 2027 – 17 Apr 2027 | $970 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 6 Apr 2027 – 19 Apr 2027 | $954 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 14 Apr 2027 – 17 Apr 2027 | $1,526 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 5 Jun 2027 – 19 Jun 2027 | $1,542 | Turkish Airlines | Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST) | out nonstop, back nonstop | found 7 days ago | See prices for these dates |
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work
