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Boston to Istanbul flights in December 2026 from $900 BOS → IST, SAW

Logan International Airport (BOS) → Istanbul New Airport (IST), Sabiha Gokcen International Airport (SAW)

For departures in December 2026, the cheapest return found recently is $900 with jetBlue, 31 Dec – 7 Jan 2027, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 13 departure dates is usually $986 to $1,466. Across all 32 departure dates we hold on this route, it is usually $838 to $1,074. Of the 4 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$900

31 Dec – 7 Jan 2027 · jetBlue

Logan International Airport (BOS) → Istanbul New Airport (IST)

out 1 stop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
31 Dec – 7 Jan 2027$900jetBlueout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
28 Dec – 10 Jan 2027$951Air Franceout 2 stops, back 1 stopfound 3 days agoSee prices for these dates
29 Dec – 8 Jan 2027$951British Airwaysout 1 stop, back 1 stopfound 4 days agoSee prices for these dates
13 Dec – 26 Dec$986Lufthansaout 2 stops, back 1 stopfound 2 days agoSee prices for these dates
12 Dec – 26 Dec$1,021Lufthansaout 1 stop, back 1 stopfound 2 days agoSee prices for these dates

Every date we hold

13 departure dates

12 Dec – 26 Dec: $1,021, found 2 days ago13 Dec – 26 Dec: $986, found 2 days ago17 Dec – 27 Dec: $1,330, found 4 days ago18 Dec – 11 Jan 2027: $1,266, found 2 days ago19 Dec – 9 Jan 2027: $1,627, found 6 days ago20 Dec – 31 Dec: $1,711, found 3 days ago21 Dec – 1 Jan 2027: $1,832, found 3 days ago23 Dec – 31 Dec: $1,466, found 3 days ago24 Dec – 7 Jan 2027: $1,231, found 3 days ago26 Dec – 6 Jan 2027: $1,241, found 2 days ago28 Dec – 10 Jan 2027: $951, found 3 days ago29 Dec – 8 Jan 2027: $951, found 4 days ago31 Dec – 7 Jan 2027: $900, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
12 Dec – 26 Dec$1,021LufthansaLogan International Airport (BOS) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
13 Dec – 26 Dec$986LufthansaLogan International Airport (BOS) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
17 Dec – 27 Dec$1,330Frontier AirlinesLogan International Airport (BOS) → Sabiha Gokcen International Airport (SAW)out 3 stops, back 2 stopsfound 4 days agoSee prices for these dates
18 Dec – 11 Jan 2027$1,266Aer LingusLogan International Airport (BOS) → Sabiha Gokcen International Airport (SAW)out 3 stops, back 3 stopsfound 2 days agoSee prices for these dates
19 Dec – 9 Jan 2027$1,627Aer LingusLogan International Airport (BOS) → Sabiha Gokcen International Airport (SAW)out 3 stops, back 3 stopsfound 6 days agoSee prices for these dates
20 Dec – 31 Dec$1,711Aer LingusLogan International Airport (BOS) → Sabiha Gokcen International Airport (SAW)out 3 stops, back 2 stopsfound 3 days agoSee prices for these dates
21 Dec – 1 Jan 2027$1,832Air CanadaLogan International Airport (BOS) → Istanbul New Airport (IST)out 3 stops, back 1 stopfound 3 days agoSee prices for these dates
23 Dec – 31 Dec$1,466IcelandairLogan International Airport (BOS) → Sabiha Gokcen International Airport (SAW)out 3 stops, back 2 stopsfound 3 days agoSee prices for these dates
24 Dec – 7 Jan 2027$1,231United AirlinesLogan International Airport (BOS) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 1 stopfound 3 days agoSee prices for these dates
26 Dec – 6 Jan 2027$1,241Air CanadaLogan International Airport (BOS) → Sabiha Gokcen International Airport (SAW)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
28 Dec – 10 Jan 2027$951Air FranceLogan International Airport (BOS) → Istanbul New Airport (IST)out 2 stops, back 1 stopfound 3 days agoSee prices for these dates
29 Dec – 8 Jan 2027$951British AirwaysLogan International Airport (BOS) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
31 Dec – 7 Jan 2027$900jetBlueLogan International Airport (BOS) → Istanbul New Airport (IST)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates

Which month looks cheapest?

August 2027 is the cheapest month — from $740.

November 2026From $8936 departure dates23 Nov – 2 Dec · found 3 days agoSee prices for these dates
December 2026From $90013 departure dates31 Dec – 7 Jan 2027 · found 2 days agoSee prices for these dates
January 2027From $7455 departure dates4 Jan 2027 – 14 Jan 2027 · found 6 days agoSee prices for these dates
February 2027From $7622 departure dates14 Feb 2027 – 19 Feb 2027 · found 3 days agoSee prices for these dates
March 2027From $7712 departure dates17 Mar 2027 – 26 Mar 2027 · found 4 days agoSee prices for these dates
April 2027From $8851 departure date10 Apr 2027 – 24 Apr 2027 · found 8 days agoSee prices for these dates
August 2027From $740Cheapest seen3 departure dates26 Aug 2027 – 30 Sept 2027 · found 5 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