Cheap flights from Istanbul to Seattle from $714 IST, SAW → BFI, SEA
Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW) → Boeing Field International Airport (BFI), Seattle-Tacoma International Airport (SEA)
The cheapest return found recently is $714 with Pegasus Airlines, 23 Feb 2027 – 16 Mar 2027, found 2 days ago.
- Cheapest return found recently
- $714, 23 Feb 2027 to 16 Mar 2027
- Usual return price
- $779 to $818
- Cheapest month to fly
- February 2027, return fares from $714 found in the last 7 days
- Airlines with nonstop flights
- Turkish Airlines
Return
The cheapest return fare on each of 7 departure dates is usually $779 to $818.
Cheapest return found recently
$714
23 Feb 2027 – 16 Mar 2027 · Pegasus Airlines
Sabiha Gokcen International Airport (SAW) → Seattle-Tacoma International Airport (SEA)
Leaves 8:45 a.m. · Return leaves 3:35 p.m. · 38 h 25 min of travel, both ways together
out 2 stops, back 2 stops
found 2 days ago
Cheapest nonstop return
$794
22 Feb 2027 – 18 Mar 2027 · Turkish Airlines
Istanbul New Airport (IST) → Seattle-Tacoma International Airport (SEA)
Leaves 3:35 p.m. · Return leaves 8:05 p.m. · 24 h 35 min of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Found recently, and the cheapest we hold
$714 23 Feb 2027 – 16 Mar 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 47 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $659 to $811.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 7 departure dates from 15 Jan 2027 to 22 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold 21-night return fares on 1 other departure date within 3 days of 23 Feb 2027, and it is not cheaper.
Every date we hold
86 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Jan 2027 – 3 Feb 2027 | $826 | British Airways | Istanbul New Airport (IST) → Seattle-Tacoma International Airport (SEA) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 16 Jan 2027 – 2 Feb 2027 | $998 | Pegasus Airlines | Sabiha Gokcen International Airport (SAW) → Seattle-Tacoma International Airport (SEA) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 24 Jan 2027 – 29 Jan 2027 | $810 | Turkish Airlines | Istanbul New Airport (IST) → Seattle-Tacoma International Airport (SEA) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 22 Feb 2027 – 18 Mar 2027 | $794 | Turkish Airlines | Istanbul New Airport (IST) → Seattle-Tacoma International Airport (SEA) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 23 Feb 2027 – 16 Mar 2027 | $714 | Pegasus Airlines | Sabiha Gokcen International Airport (SAW) → Seattle-Tacoma International Airport (SEA) | out 2 stops, back 2 stops | found 2 days ago | See prices for these dates |
| 24 Feb 2027 – 17 Mar 2027 | $773 | Pegasus Airlines | Sabiha Gokcen International Airport (SAW) → Seattle-Tacoma International Airport (SEA) | out 2 stops, back 2 stops | found 2 days ago | See prices for these dates |
| 22 May 2027 – 12 Jun 2027 | $785 | Lufthansa | Istanbul New Airport (IST) → Seattle-Tacoma International Airport (SEA) | out 2 stops, back 1 stop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
February 2027 is the cheapest month — from $714.
Airlines on the cheapest dates: Pegasus Airlines, Turkish Airlines, British Airways, Lufthansa.
Premium cabin fares from Istanbul to Seattle
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 23 Feb 2027 – 16 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Istanbul to Seattle?
Return
Fares 90 to 179 days before departure were typically 10% lower than 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (47 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $802 | $741 | +11% | 9 |
| 30–59 days | $794 | $670 | +10% | 23 |
| 60–89 days | $807 | $659 | +12% | 22 |
| 90–179 days | $724 | $677 | Cheapest seen | 38 |
| 180+ days | $774 | $668 | +7% | 35 |
Live price for these dates
The cheapest return found recently is for 23 Feb 2027 – 16 Mar 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Istanbul to Seattle?
The cheapest return found recently is $714 with Pegasus Airlines, 23 Feb 2027 to 16 Mar 2027, found 2 days ago. The cheapest return fare on each of 7 departure dates is usually $779 to $818.
What is the cheapest month to fly from Istanbul to Seattle?
February 2027 is the cheapest month for a return, from $714, 23 Feb 2027 to 16 Mar 2027, found 2 days ago.
How far ahead should I book a flight from Istanbul to Seattle?
In 47 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 10% lower than 7 to 13 days before departure.
Is there a direct flight from Istanbul to Seattle?
Yes, the cheapest nonstop return found recently is $794 with Turkish Airlines, 22 Feb 2027 to 18 Mar 2027, found 4 days ago.
Which airlines have the cheapest flights from Istanbul to Seattle?
Between 15 Jan 2027 and 22 May 2027, Pegasus Airlines has the cheapest return on 3 of the 7 departure dates we hold, Turkish Airlines on 2 and British Airways on 1.
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