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Istanbul to Boston IST, SAW → BOS

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

The cheapest return found recently is $749 with British Airways, 13 Nov – 11 Dec, found yesterday.

Return

The cheapest return fare on each of 16 departure dates is usually $758 to $866.

Cheapest return found recently

$749

13 Nov – 11 Dec · British Airways

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

Leaves 8:25 a.m. · Return leaves 9:30 p.m. · 33 h of travel, both ways together

out 1 stop, back 1 stop

found yesterday

See prices for these datesCheck today's price

Cheapest nonstop return

$761

29 Oct – 27 Nov · Turkish Airlines

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

Leaves 3:35 p.m. · Return leaves 8:00 p.m. · 19 h 50 min of travel, both ways together

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

Every nonstop date from Istanbul to Boston

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Found recently, and the cheapest we hold

Cheapest found recently $749 13 Nov – 11 Decfound yesterdaySee prices for these dates

Cheapest we hold, of any age $671 17 Dec – 15 Jan 2027found 2 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 $671 to $799.

$749, the cheapest return found recently, sits here in that range of $671 to $799.

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 16 departure dates from 29 Oct to 7 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?

No. We hold 28-night return fares on 1 other departure date within 3 days of 13 Nov, and it is not cheaper.

Every date we hold

30 fares on 16 departure dates

29 Oct – 27 Nov: $761, found yesterday30 Oct – 27 Nov: $866, found yesterday31 Oct – 18 Nov: $867, found 6 days ago2 Nov – 30 Nov: $880, found yesterday5 Nov – 24 Dec: $873, found 5 days ago13 Nov – 11 Dec: $749, found yesterday14 Nov – 12 Dec: $767, found yesterday1 Dec – 22 Dec: $1,186, found today12 Dec – 4 Jan 2027: $736, found 4 days ago13 Dec – 5 Jan 2027: $698, found 4 days ago17 Dec – 15 Jan 2027: $671, found 2 days ago10 May 2027 – 31 May 2027: $810, found 3 days ago16 May 2027 – 23 May 2027: $801, found 4 days ago2 Jun 2027 – 2 Jul 2027: $814, found 3 days ago4 Jun 2027 – 12 Jun 2027: $823, found 4 days ago7 Jun 2027 – 5 Jul 2027: $823, found 4 days agoOctNovDecMayJun
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
29 Oct – 27 Nov$761Turkish AirlinesIstanbul New Airport (IST) → Logan International Airport (BOS)out nonstop, back nonstopfound yesterdaySee prices for these dates
30 Oct – 27 Nov$866Turkish AirlinesIstanbul New Airport (IST) → Logan International Airport (BOS)out nonstop, back nonstopfound yesterdaySee prices for these dates
31 Oct – 18 Nov$867KLMIstanbul New Airport (IST) → Logan International Airport (BOS)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
2 Nov – 30 Nov$880Pegasus AirlinesSabiha Gokcen International Airport (SAW) → Logan International Airport (BOS)out 3 stops, back 2 stopsfound yesterdaySee prices for these dates
5 Nov – 24 Dec$873Turkish AirlinesIstanbul New Airport (IST) → Logan International Airport (BOS)out nonstop, back nonstopfound 5 days agoSee prices for these dates
13 Nov – 11 Dec$749British AirwaysIstanbul New Airport (IST) → Logan International Airport (BOS)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
14 Nov – 12 Dec$767British AirwaysIstanbul New Airport (IST) → Logan International Airport (BOS)out 2 stops, back 1 stopfound yesterdaySee prices for these dates
1 Dec – 22 Dec$1,186Turkish AirlinesIstanbul New Airport (IST) → Logan International Airport (BOS)out nonstop, back nonstopfound todaySee prices for these dates
12 Dec – 4 Jan 2027$736Turkish AirlinesIstanbul New Airport (IST) → Logan International Airport (BOS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
13 Dec – 5 Jan 2027$698Turkish AirlinesIstanbul New Airport (IST) → Logan International Airport (BOS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
17 Dec – 15 Jan 2027$671Turkish AirlinesIstanbul New Airport (IST) → Logan International Airport (BOS)out nonstop, back nonstopfound 2 days agoSee prices for these dates
10 May 2027 – 31 May 2027$810LufthansaIstanbul New Airport (IST) → Logan International Airport (BOS)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
16 May 2027 – 23 May 2027$801British AirwaysIstanbul New Airport (IST) → Logan International Airport (BOS)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
2 Jun 2027 – 2 Jul 2027$814British AirwaysIstanbul New Airport (IST) → Logan International Airport (BOS)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
4 Jun 2027 – 12 Jun 2027$823LufthansaIstanbul New Airport (IST) → Logan International Airport (BOS)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
7 Jun 2027 – 5 Jul 2027$823LufthansaIstanbul New Airport (IST) → Logan International Airport (BOS)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $671.

October 2026From $7613 departure dates29 Oct – 27 Nov · found yesterdaySee prices for these dates
November 2026From $7494 departure dates13 Nov – 11 Dec · found yesterdaySee prices for these dates
December 2026From $671Cheapest seen4 departure dates17 Dec – 15 Jan 2027 · found 2 days agoSee prices for these dates
May 2027From $8012 departure dates16 May 2027 – 23 May 2027 · found 4 days agoSee prices for these dates
June 2027From $8143 departure dates2 Jun 2027 – 2 Jul 2027 · found 3 days agoSee prices for these dates

Airlines on the cheapest dates: Turkish Airlines, British Airways, Lufthansa, KLM, Pegasus Airlines.

Premium cabin fares from Istanbul to Boston

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 13 Nov – 11 Dec in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Istanbul to Boston?

Return

Fares 60 to 89 days before departure were typically 8% lower than 14 to 29 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
14–29 days$804$749+8%7
30–59 days$794$698+7%19
60–89 days$742$671Cheapest seen15
90–179 days$779$697+5%14
180+ days$799$769+8%18

Live price for these dates

The cheapest return found recently is for 13 Nov – 11 Dec. 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