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Seattle to Istanbul 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 return found recently is $744 with Turkish Airlines, 16 Nov – 23 Nov, found today. The cheapest one-way found recently is $283 with Icelandair, 26 Oct, found yesterday.

Return

The cheapest return fare on each of 9 departure dates is usually $812 to $1,257.

Cheapest return found recently

$744

16 Nov – 23 Nov · Turkish Airlines

Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)

Leaves 7:05 p.m. · Return leaves 3:35 p.m. · 24 h 35 min of travel, both ways together

out nonstop, back nonstop

found today

See prices for these datesCheck today's price

Cheapest nonstop return

$744

16 Nov – 23 Nov · Turkish Airlines

Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)

Leaves 7:05 p.m. · Return leaves 3:35 p.m. · 24 h 35 min of travel, both ways together

out nonstop, back nonstop

found today

See prices for these datesCheck today's price

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Found recently, and the cheapest we hold

Cheapest found recently $744 16 Nov – 23 Novfound todaySee prices for these dates

Cheapest we hold, of any age $658 1 Feb 2027 – 10 Feb 2027found 4 days agoSee prices for these dates

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $658 to $708.

At $744, the cheapest return found recently is above that range.

25 days is a short history, so treat this range as an early guide.

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 9 departure dates from 26 Oct to 12 Jun 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?

We hold no other 7-night return fares leaving within 3 days of 16 Nov to compare.

Every date we hold

15 fares on 9 departure dates

26 Oct – 4 Nov: $894, found 4 days ago11 Nov – 15 Nov: $835, found 5 days ago16 Nov – 23 Nov: $744, found today23 Nov – 30 Nov: $812, found today10 Dec – 4 Jan 2027: $1,257, found 4 days ago11 Dec – 3 Jan 2027: $1,449, found 5 days ago17 Dec – 3 Jan 2027: $2,058, found 2 days ago1 Feb 2027 – 10 Feb 2027: $658, found 4 days ago12 Jun 2027 – 24 Jun 2027: $1,190, found 3 days agoOctNovDecFebJun
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
26 Oct – 4 Nov$894IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
11 Nov – 15 Nov$835Turkish AirlinesSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)out nonstop, back nonstopfound 5 days agoSee prices for these dates
16 Nov – 23 Nov$744Turkish AirlinesSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)out nonstop, back nonstopfound todaySee prices for these dates
23 Nov – 30 Nov$812IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 3 stopsfound todaySee prices for these dates
10 Dec – 4 Jan 2027$1,257IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)out 3 stops, back nonstopfound 4 days agoSee prices for these dates
11 Dec – 3 Jan 2027$1,449IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)out 3 stops, back nonstopfound 5 days agoSee prices for these dates
17 Dec – 3 Jan 2027$2,058Air CanadaSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)out 3 stops, back 3 stopsfound 2 days agoSee prices for these dates
1 Feb 2027 – 10 Feb 2027$658IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
12 Jun 2027 – 24 Jun 2027$1,190LufthansaSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates

Which month looks cheapest?

February 2027 is the cheapest month — from $658.

October 2026From $8941 departure date26 Oct – 4 Nov · found 4 days agoSee prices for these dates
November 2026From $7443 departure dates16 Nov – 23 Nov · found todaySee prices for these dates
December 2026From $1,2573 departure dates10 Dec – 4 Jan 2027 · found 4 days agoSee prices for these dates
February 2027From $658Cheapest seen1 departure date1 Feb 2027 – 10 Feb 2027 · found 4 days agoSee prices for these dates
June 2027From $1,1901 departure date12 Jun 2027 – 24 Jun 2027 · found 3 days agoSee prices for these dates

Airlines on the cheapest dates: Icelandair, Turkish Airlines, Air Canada, Lufthansa.

One-way

The cheapest one-way fare on each of 11 departure dates is usually $410 to $495.

Cheapest one-way found recently

$283

26 Oct · Icelandair

Seattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)

Leaves 3:35 p.m. · 22 h 45 min trip

stops unknown

found yesterday

Open this tripCheck today's price

Cheapest nonstop one-way

None seen yet.

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Found recently, and the cheapest we hold

Cheapest found recently $283 26 Octfound yesterdayOpen this trip

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $283 to $388.

At $283, the cheapest one-way found recently is at the low end of that range.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good one-way price?

Compared with the cheapest one-way fare on each of 11 departure dates from 26 Oct to 12 Jun 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?

We hold no other one-way fares leaving within 3 days of 26 Oct to compare.

Every date we hold

19 fares on 11 departure dates

26 Oct: $283, found yesterday18 Nov: $403, found 4 days ago2 Dec: $406, found 4 days ago10 Dec: $465, found 2 days ago12 Dec: $533, found 4 days ago28 Dec: $439, found 5 days ago4 Jan 2027: $524, found 4 days ago5 Mar 2027: $435, found 5 days ago7 Mar 2027: $413, found 6 days ago3 Apr 2027: $423, found 5 days ago12 Jun 2027: $625, found 3 days agoOctNovDecJanMarAprJun
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
26 Oct$283IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)stops unknownfound yesterdayOpen this trip
18 Nov$403IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)2 stopsfound 4 days agoOpen this trip
2 Dec$406IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)2 stopsfound 4 days agoOpen this trip
10 Dec$465IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)3 stopsfound 2 days agoOpen this trip
12 Dec$533IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)3 stopsfound 4 days agoOpen this trip
28 Dec$439IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)3 stopsfound 5 days agoOpen this trip
4 Jan 2027$524WestJetSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)2 stopsfound 4 days agoOpen this trip
5 Mar 2027$435LufthansaSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)2 stopsfound 5 days agoOpen this trip
7 Mar 2027$413LufthansaSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)1 stopfound 6 days agoOpen this trip
3 Apr 2027$423LufthansaSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)1 stopfound 5 days agoOpen this trip
12 Jun 2027$625LufthansaSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)1 stopfound 3 days agoOpen this trip

Which month looks cheapest?

October 2026 is the cheapest month — from $283.

October 2026From $283Cheapest seen1 departure date26 Oct · found yesterdayOpen this trip
November 2026From $4031 departure date18 Nov · found 4 days agoOpen this trip
December 2026From $4064 departure dates2 Dec · found 4 days agoOpen this trip
January 2027From $5241 departure date4 Jan 2027 · found 4 days agoOpen this trip
March 2027From $4132 departure dates7 Mar 2027 · found 6 days agoOpen this trip
April 2027From $4231 departure date3 Apr 2027 · found 5 days agoOpen this trip
June 2027From $6251 departure date12 Jun 2027 · found 3 days agoOpen this trip

Airlines on the cheapest dates: Icelandair, Lufthansa, WestJet.

Premium cabin fares from Seattle to Istanbul

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 16 Nov – 23 Nov in another cabin: Premium economy · Business · First

Today's prices for 26 Oct in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Seattle to Istanbul?

Return

Fares 90 to 179 days before departure were typically 28% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 18 Oct (25 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
Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
0–6 days$966$720+38%19
7–13 days$913$879+30%20
14–29 days$852$677+22%25
30–59 days$708$677+1%25
60–89 days$952$810+36%24
90–179 days$700$658Cheapest seen25
180+ days$889$882+27%23

One-way

Fares 90 to 179 days before departure were typically 14% lower than 14 to 29 days before departure.

From the cheapest one-way each day between 24 Sept and 18 Oct (25 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
Typical price in each booking range — one way, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
14–29 days$432$301+16%14
30–59 days$417$296+12%20
60–89 days$472$437+27%21
90–179 days$372$318Cheapest seen25
180+ days$429$400+15%20

Could a nearby airport be cheaper?

A different airport at either end can change the fare — sometimes a lot.

Return

Everett → Istanbul

34 km from Seattle

$4,497

$3,753 more than flying from Seattle

28 Dec – 4 Jan 2027 · PAE → IST · out 2 stops, back 2 stops

found 2 days ago

See this route

Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.

One-way

Everett → Istanbul

34 km from Seattle

$750

$467 more than flying from Seattle

4 Jan 2027 · PAE → IST · 2 stops

found 4 days ago

See this route

Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.

Live price for these dates

The cheapest return found recently is for 16 Nov – 23 Nov. A live search on this page shows what those dates cost now, for one adult in economy.

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