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Cheap flights from Boston to Istanbul from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Istanbul departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Air France Logo
10:20 pm - 3:25 amBOS-IST
22h 05m1 stop
Air France Logo
4:50 am - 1:30 pmIST-BOS
15h 40m2 stops
$645Air France
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Tue, Oct 14 - Tue, Oct 28
Turkish Airlines Logo
8:00 pm - 1:25 pmBOS-IST
9h 25mnonstop
Turkish Airlines Logo
3:35 pm - 6:05 pmIST-BOS
10h 30mnonstop
$648Turkish Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
KLM Logo
6:30 pm - 4:55 pmBOS-IST
14h 25m2 stops
KLM Logo
5:55 pm - 6:55 pmIST-BOS
33h 00m1 stop
$649KLM
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Fri, Nov 7 - Sun, Nov 16
Multiple Airlines Logo
8:50 pm - 3:50 amBOS-IST
24h 00m2 stops
Multiple Airlines Logo
4:45 am - 10:00 pmIST-BOS
24h 15m2 stops
$650Multiple Airlines
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Wed, Oct 8 - Wed, Oct 15
Delta Logo
12:10 pm - 4:55 pmBOS-IST
21h 45m2 stops
Delta Logo
4:50 am - 8:10 pmIST-BOS
23h 20m2 stops
$651Delta
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Tue, Oct 28 - Mon, Nov 3
Icelandair Logo
11:35 pm - 11:55 pmBOS-IST
17h 20m1 stop
Icelandair Logo
12:25 pm - 6:50 pmIST-BOS
13h 25m1 stop
$656Icelandair
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Wed, Oct 15 - Sat, Nov 1
Lufthansa Logo
8:40 pm - 6:05 pmBOS-IST
13h 25m2 stops
Lufthansa Logo
6:30 am - 1:25 pmIST-BOS
14h 55m1 stop
$662Lufthansa
Find Deal
Wed, Nov 26 - Tue, Dec 2
KLM Logo
10:20 pm - 3:25 amBOS-IST
22h 05m1 stop
KLM Logo
5:55 pm - 7:55 pmIST-BOS
33h 00m1 stop
$663KLM
Find Deal
Thu, Oct 16 - Tue, Oct 28
Lufthansa Logo
4:20 pm - 6:05 pmBOS-IST
17h 45m1 stop
Lufthansa Logo
6:30 am - 6:35 pmIST-BOS
20h 05m2 stops
$669Lufthansa
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Sun, Jan 11 - Sun, Jan 18
Delta Logo
10:20 pm - 3:25 amBOS-IST
22h 05m1 stop
Delta Logo
4:20 am - 3:05 pmIST-BOS
17h 45m1 stop
$678Delta
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Sun, Oct 12 - Wed, Oct 22

Turkish Airlines flights from Boston to Istanbul Airport

Our best Turkish Airlines deals on Boston to Istanbul Airport flight tickets
Turkish Airlines
Dec 3
BOS8:00 pmBoston Logan Intl
9h 25m
IST1:25 pmIstanbul
Dec 8
IST3:35 pmIstanbul
10h 30m
BOS6:05 pmBoston Logan Intl
$648
Find similar
Turkish Airlines
Nov 15
BOS8:00 pmBoston Logan Intl
9h 25m
IST1:25 pmIstanbul
Nov 21
IST3:35 pmIstanbul
10h 30m
BOS6:05 pmBoston Logan Intl
$654
Find similar
Turkish Airlines
Jan 29
BOS8:00 pmBoston Logan Intl
9h 25m
IST1:25 pmIstanbul
Feb 2
IST3:35 pmIstanbul
10h 30m
BOS6:05 pmBoston Logan Intl
$655
Find similar

KLM flights from Boston to Istanbul Airport

Our best KLM deals on Boston to Istanbul Airport flight tickets
KLM
Nov 7
BOS6:30 pmBoston Logan Intl
14h 25m
2 stops
IST4:55 pmIstanbul
Nov 16
IST5:55 pmIstanbul
33h 00m
1 stop
BOS6:55 pmBoston Logan Intl
$649
Find similar
KLM
Oct 16
BOS10:20 pmBoston Logan Intl
22h 05m
1 stop
IST3:25 amIstanbul
Oct 28
IST5:55 pmIstanbul
33h 00m
1 stop
BOS7:55 pmBoston Logan Intl
$663
Find similar
KLM
Oct 11
BOS10:20 pmBoston Logan Intl
22h 05m
1 stop
IST3:25 amIstanbul
Oct 29
IST5:55 pmIstanbul
27h 25m
1 stop
BOS2:20 pmBoston Logan Intl
$671
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momondo Fare Finder

 
Customize your flight search to find flights from Boston to Istanbul Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Boston to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 10/14

10:20 pm-3:25 am

1 stop22h 05m

Istanbul

Tue 10/28

4:50 am-1:30 pm

2 stops15h 40m

$645

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 12/3

8:00 pm-1:25 pm

Nonstop9h 25m

Istanbul

Mon 12/8

3:35 pm-6:05 pm

Nonstop10h 30m

$648

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Fri 11/7

6:30 pm-4:55 pm

2 stops14h 25m

Istanbul

Sun 11/16

5:55 pm-6:55 pm

1 stop33h 00m

$649

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 10/8

8:50 pm-3:50 am

2 stops24h 00m

Istanbul

Wed 10/15

4:45 am-10:00 pm

2 stops24h 15m

$650

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 10/28

12:10 pm-4:55 pm

2 stops21h 45m

Istanbul

Mon 11/3

4:50 am-8:10 pm

2 stops23h 20m

$651

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 10/15

11:35 pm-11:55 pm

1 stop17h 20m

Istanbul

Sat 11/1

12:25 pm-6:50 pm

1 stop13h 25m

$656

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 11/26

8:40 pm-6:05 pm

2 stops13h 25m

Istanbul

Tue 12/2

6:30 am-1:25 pm

1 stop14h 55m

$662

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 10/16

10:20 pm-3:25 am

1 stop22h 05m

Istanbul

Tue 10/28

5:55 pm-7:55 pm

1 stop33h 00m

$663

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sun 1/11

4:20 pm-6:05 pm

1 stop17h 45m

Istanbul

Sun 1/18

6:30 am-6:35 pm

2 stops20h 05m

$669

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sun 10/12

10:20 pm-3:25 am

1 stop22h 05m

Istanbul

Wed 10/22

4:20 am-3:05 pm

1 stop17h 45m

$678

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from Boston to Istanbul Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Istanbul Airport?

In general, October is the cheapest month to fly from Boston to Istanbul Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $760. If you don’t want to visit Istanbul Airport in October, then you should wait until September to fly from Boston, when ticket prices are also cheap, with an average price of $762.

What is the cheapest day to depart on your flight to Istanbul Airport?

Our data shows that Wednesday is the least expensive day to fly to Istanbul Airport. Tickets to fly out on this day can be as low as $895. On the other hand, Friday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $999.

What is the cheapest time of day to depart on your flight to Istanbul Airport?

In the evening is the cheapest time of day to fly from Boston to Istanbul Airport when you can find flight prices for as low as $923. Flying to Istanbul Airport in the evening is an ideal time because this is during off-peak travel hours. Flights at noon are often more expensive with an average ticket price of $1,118.

What is the cheapest Boston Logan Intl to Istanbul flight route?

Fly from Boston Logan Intl to Istanbul for the best Boston Logan Intl - Istanbul flight prices

How far in advance should I book a flight to Istanbul Airport?

You are more likely to see cheaper flights to Istanbul Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul Airport for around $916 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul Airport from Boston for as low as $739 on momondo.

What cabin class options are available on Boston Logan Intl to Istanbul flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Istanbul Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a Boston to Istanbul Airport flight.

How have Boston to Istanbul Airport flight prices changed over time?

As of September 2025, prices for Boston to Istanbul Airport flights are approximately 46% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Istanbul Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Istanbul Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Istanbul Airport (BOS to IST) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Istanbul Airport

Best Price Found

$458

Fastest flight time

9h 20m

Direct flights

Every day
The best one-way flight to Istanbul Airport from Boston in the past 72 hours is $458. The best round-trip flight deal from Boston to Istanbul Airport found on momondo in the last 72 hours is $718.
The fastest flight from Boston to Istanbul Airport takes 9h 20m
Direct flights go from Boston to Istanbul Airport every day.
Search flight deals

  • How far is Boston Logan Intl to Istanbul by plane?

    A flight from Boston Logan Intl to Istanbul will travel around 4799.6 mi. 9h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Istanbul Airport?

    Prices for flights from Boston Logan Intl Airport to Istanbul Airport refresh daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Istanbul Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Istanbul Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Istanbul Airport.

  • What documentation or ID do you need to fly to Istanbul Airport?

    The travel and health documents you'll need for your trip to Istanbul Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Istanbul Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Istanbul Airport?

  • What is the most popular airline from Boston to Istanbul Airport?

Best airlines flying from Boston to Istanbul Airport

Compare and see reviews for airlines that fly from Boston to Istanbul Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $372Free CancellationRating
7.0
544 reviews
Search Icelandair flights
British AirwaysPriceFrom $485Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
DeltaPriceFrom $547Free CancellationRating
7.9
7,957 reviews
Search Delta flights
KLMPriceFrom $582Free CancellationRating
7.8
1,386 reviews
Search KLM flights
Air FrancePriceFrom $593Free CancellationRating
7.4
1,468 reviews
Search Air France flights
United AirlinesPriceFrom $621Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $636Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Qatar AirwaysPriceFrom $680Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $687Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $712Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights

  • Turkish Airlines Flights From Boston to Istanbul Airport

    Turkish Airlines flight deals from Boston to Istanbul Airport start from $687 round-trip. Over the 5 Turkish Airlines flights for this route in a normal week, average airfare is usually $924 round-trip - but some users have found much cheaper deals with momondo.

  • JetBlue Flights From Boston to Istanbul Airport

    Across 2,914 JetBlue reviews on momondo, the average score is 7.2/10. JetBlue flies from Boston to Istanbul Airport about 7 times each week, with ticket deals ranging from $761 to $1,385. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Istanbul?

Book flights to Istanbul if you plan to visit one of these locations
Yalova

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Istanbul?

It is quick and easy to find Boston to Istanbul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Istanbul that suits you.

Can I find flights from Boston to Istanbul with flexible booking policies on momondo?

momondo does allow users to show only those flights to Istanbul from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Istanbul?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Istanbul from Boston.

I’m not ready to book a flight from Boston to Istanbul right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Istanbul now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Istanbul and let you know when they change.

An easier way to manage your Istanbul Airport trip

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