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Seattle to Istanbul flights in November 2026 from $1,027 BFI, SEA → IST, SAW

Boeing Field International Airport (BFI), Seattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in November 2026, the cheapest return found recently is $1,027 with Lufthansa, 15 Nov – 24 Nov, found 2 days ago.

Return

In November 2026, the cheapest return fare on each of 8 departure dates is usually $1,009 to $1,155. Across all 43 departure dates we hold on this route, it is usually $832 to $1,021. Of the 6 months with enough return fares to compare, November 2026 is usually the most expensive.

Cheapest return found recently

$1,027

15 Nov – 24 Nov · Lufthansa

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

out 1 stop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$953

28 Nov – 19 Dec · Turkish Airlines

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

out nonstop, back nonstop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in November 2026

DatesFromAirlineStopsFound
28 Nov – 19 Dec$953Turkish Airlinesout nonstop, back nonstopfound 4 days agoSee prices for these dates
18 Nov – 15 Jan 2027$956Lufthansaout 1 stop, back 2 stopsfound 4 days agoSee prices for these dates
15 Nov – 24 Nov$1,027Lufthansaout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
27 Nov – 30 Nov$1,074Icelandairout 2 stops, back 2 stopsfound 3 days agoSee prices for these dates
13 Nov – 22 Nov$1,090Lufthansaout 2 stops, back 1 stopfound 2 days agoSee prices for these dates

Every date we hold

8 departure dates

13 Nov – 22 Nov: $1,090, found 2 days ago15 Nov – 24 Nov: $1,027, found 2 days ago17 Nov – 27 Nov: $1,162, found 2 days ago18 Nov – 15 Jan 2027: $956, found 4 days ago20 Nov – 28 Nov: $1,428, found 6 days ago22 Nov – 30 Nov: $1,153, found 2 days ago27 Nov – 30 Nov: $1,074, found 3 days ago28 Nov – 19 Dec: $953, found 4 days agoNov
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
13 Nov – 22 Nov$1,090LufthansaSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
15 Nov – 24 Nov$1,027LufthansaSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
17 Nov – 27 Nov$1,162IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 3 stopsfound 2 days agoSee prices for these dates
18 Nov – 15 Jan 2027$956LufthansaSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)out 1 stop, back 2 stopsfound 4 days agoSee prices for these dates
20 Nov – 28 Nov$1,428Air CanadaSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 6 days agoSee prices for these dates
22 Nov – 30 Nov$1,153WestJetSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 2 stopsfound 2 days agoSee prices for these dates
27 Nov – 30 Nov$1,074IcelandairSeattle-Tacoma International Airport (SEA) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 2 stopsfound 3 days agoSee prices for these dates
28 Nov – 19 Dec$953Turkish AirlinesSeattle-Tacoma International Airport (SEA) → Istanbul New Airport (IST)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

February 2027 is the cheapest month — from $714.

November 2026From $9538 departure dates28 Nov – 19 Dec · found 4 days agoSee prices for these dates
December 2026From $9357 departure dates2 Dec – 7 Dec · found 2 days agoSee prices for these datesEvery date in December 2026
January 2027From $8273 departure dates14 Jan 2027 – 22 Jan 2027 · found 2 days agoSee prices for these dates
February 2027From $714Cheapest seen3 departure dates3 Feb 2027 – 9 Feb 2027 · found 4 days agoSee prices for these dates
March 2027From $7558 departure dates23 Mar 2027 – 19 Apr 2027 · found 2 days agoSee prices for these datesEvery date in March 2027
April 2027From $7338 departure dates6 Apr 2027 – 19 Apr 2027 · found 2 days agoSee prices for these datesEvery date in April 2027
May 2027From $9451 departure date31 May 2027 – 7 Jun 2027 · found 2 days agoSee prices for these dates
June 2027From $9852 departure dates3 Jun 2027 – 12 Jun 2027 · found 2 days agoSee prices for these dates
September 2027From $8252 departure dates6 Sept 2027 – 15 Sept 2027 · found 4 days agoSee prices for these dates
October 2027From $1,0581 departure date31 Oct 2027 – 6 Nov 2027 · found 2 days agoSee 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