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$348+ Cheap flights from Boston (BOS) to Istanbul (IST)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find cheap flights from Boston to Istanbul with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Boston Logan Intl to Istanbul are usually found in October or November, booked 88 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Find flight deals from Boston to Istanbul

Cheapest flights from Boston to Istanbul
Explore the most affordable flight options available from Boston to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This Delta deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:30 pmBOS - IST
1 stop25h 20mDelta
Thu 1/85:55 pmIST - BOS
2 stops36h 26mDelta
Deal found 11/24$608
This KAYAK deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:20 pmBOS - IST
1 stop17h 25mLufthansa
Mon 1/197:00 pmIST - BOS
2 stops31h 57mLufthansa
Deal found 11/24$614
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:50 pmBOS - IST
2 stops17h 00mMultiple Airlines
Sun 2/17:20 pmIST - BOS
1 stop33h 35mMultiple Airlines
Deal found 11/24$625
This KAYAK deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:20 pmBOS - IST
1 stop17h 25mLufthansa
Sun 1/256:30 amIST - BOS
2 stops20h 27mLufthansa
Deal found 11/24$630
This Mytrip deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:15 amBOS - IST
3 stops32h 30mMultiple Airlines
Sat 12/67:00 pmIST - BOS
3 stops28h 57mMultiple Airlines
Deal found 11/25$640
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:50 pmBOS - IST
2 stops16h 20mMultiple Airlines
Tue 1/272:15 pmIST - BOS
1 stop14h 40mMultiple Airlines
Deal found 11/24$641
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:50 pmBOS - IST
2 stops16h 15mMultiple Airlines
Thu 1/1511:45 amIST - BOS
1 stop17h 10mMultiple Airlines
Deal found 11/24$642
This Air France deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:30 pmBOS - IST
1 stop25h 20mMultiple Airlines
Thu 1/85:55 pmIST - BOS
1 stop33h 00mMultiple Airlines
Deal found 11/24$643
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:50 pmBOS - IST
2 stops16h 15mMultiple Airlines
Thu 1/2911:45 amIST - BOS
1 stop17h 10mMultiple Airlines
Deal found 11/24$644
This Orbitz deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:20 pmBOS - IST
1 stop17h 45mMultiple Airlines
Fri 1/99:25 pmIST - BOS
2 stops28h 25mMultiple Airlines
Deal found 11/24$645
This CheapOair deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:01 amBOS - IST
2 stops23h 34mBritish Airways
Thu 1/86:40 pmIST - BOS
2 stops29h 08mBritish Airways
Deal found 11/24$647
This Kiwi.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:50 pmBOS - IST
1 stop20h 05mIcelandair
Mon 12/1512:25 pmIST - BOS
1 stop13h 25mIcelandair
Deal found 11/25$649

Cheap flight deals from Boston to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 26, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$608
(Delta)

One-way from

$348
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$743

Good round-trip deal

$741 or less

Good one-way deal

$490 or less
Provider with most accurate pricing for Boston Logan Intl-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Istanbul flights.
Search Deals
From Boston Logan Intl to Istanbul
Search Deals
One-way flight from Boston Logan Intl to Istanbul
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Istanbul.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Istanbul.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Istanbul 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, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Boston to Istanbul Airport that are best for you.

Fly from

Boston

Fly to

Istanbul

Route

Depart

Return

Price

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 12/3

12:10 pm-4:55 pm

2 stops20h 45m

Istanbul

Mon 12/8

4:50 am-4:20 pm

1 stop19h 30m

$667

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 12/9

8:25 pm-3:50 am

1 stop23h 25m

Istanbul

Sun 12/14

4:50 am-4:20 pm

1 stop19h 30m

$695

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 12/30

6:30 pm-3:50 am

1 stop25h 20m

Istanbul

Tue 1/6

5:55 pm-6:55 pm

1 stop33h 00m

$708

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 12/8

8:50 pm-4:55 pm

1 stop12h 05m

Istanbul

Thu 12/11

5:55 pm-1:20 pm

1 stop27h 25m

$748

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 1/5

9:35 pm-5:30 pm

1 stop11h 55m

Istanbul

Sat 1/24

7:35 am-2:20 pm

1 stop14h 45m

$769

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 1/5

9:35 pm-12:05 am

1 stop18h 30m

Istanbul

Tue 1/27

7:35 am-7:45 pm

1 stop20h 10m

$769

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 2/11

8:00 pm-1:25 pm

Nonstop9h 25m

Istanbul

Sat 2/21

3:35 pm-6:05 pm

Nonstop10h 30m

$773

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 12/2

9:35 pm-1:00 am

1 stop19h 25m

Istanbul

Mon 12/22

6:40 pm-9:55 pm

1 stop35h 15m

$781

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sun 12/7

7:30 am-12:50 am

1 stop33h 20m

Istanbul

Tue 12/16

7:35 am-9:55 pm

1 stop22h 20m

$781

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 12/4

11:25 am-4:55 pm

2 stops21h 30m

Istanbul

Mon 12/8

4:50 am-7:40 pm

2 stops22h 50m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 20 results
1
2

Compare providers for flights from Boston to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Istanbul in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Istanbul Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Boston-Istanbul Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Boston-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Istanbul Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Istanbul Airport

How far ahead should I book a flight from Boston to Istanbul Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Istanbul. Price data was last updated on November 21, 2025.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Istanbul Airport?

Currently, October is the cheapest month in which you can book a flight from Boston to Istanbul Airport (average of $374). Flying from Boston to Istanbul Airport in May is currently the most expensive (average of $736). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to IST?

Find hourly flight availability from Boston to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 26, 2025.

When flying from Boston to Istanbul Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 13% versus a flight at noon.

How much does it cost to fly round-trip from Boston to Istanbul Airport?

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated November 26, 2025.
See what other customers who have flown with KLM, Turkish Airlines, and JetBlue from Boston to Istanbul Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,422 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,422 reviews
KLM
7.7
Good
1,422 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,059 reviews
KLM
7.7
Good
1,422 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
JetBlue
7.2
Good
2,905 reviews
KLM
7.7
Good
1,422 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,594 reviews
KLM
7.7
Good
1,422 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,539 reviews
KLM
7.7
Good
1,422 reviews

Comfort

7.6

Crew

8.4

Entertainment

7.1

Overall

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Boston to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Istanbul?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Istanbul. 12 airlines have flights from Logan Intl to Istanbul on a regular basis. Booking flights from Boston Logan Intl to Istanbul should not be difficult; the airport handles an average of 3 outbound flights to Istanbul per day.

  • How long is the flight from Boston to Istanbul Airport?

    Delta, KLM, and British Airways can get you from Boston to Istanbul Airport in just under 11h 55m. Your travel time can differ by up to 11h 30m. Airlines will cover a distance of 4797 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Boston to Istanbul Airport round-trip?

    Icelandair, at $372, was found to be the cheapest airline from Boston to Istanbul Airport.Alternate airlines to your destination round-trip include British Airways and Delta. Users have found that Icelandair is 58% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Boston to Istanbul Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Istanbul Airport on time: Thai Airways (45%), JetBlue (45%), Turkish Airlines (45%).

  • What are the cheapest flights from Boston to Istanbul Airport?

    Looking at all options, your cheapest flight can be booked for $386. While the most popular route (Boston Logan Intl - Istanbul) can be booked for $374 on average, our data indicates $1,706 when flying from Boston to Istanbul Airport.

  • Where are the most common layover locations when flying from Boston to Istanbul Airport?

    Boston to Istanbul Airport flights have a layover in London most often.

  • What are some popular things to do or see while on a layover in London?

    Most London visitors opt to spend their time experiencing Hyde Park, Buckingham Palace, and Piccadilly Circus. Those on a layover in London interested in visiting Hyde Park, Buckingham Palace, or Piccadilly Circus can do so by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers can book a car rental at London Heathrow for about $29 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Boston to Istanbul Airport flights?

    Boston to Istanbul Airport flights that have layovers will least frequently stop in Frankfurt am Main.

  • Can I find deals for flights from Boston to Istanbul that include hotel bookings?

    Yes. In addition to deals on Boston to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Istanbul.

  • Can I find deals for business class flights from Boston to Istanbul?

    Yes. Cheapflights offers flight deals from Boston to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Istanbul Airport?

    Currently, October is the cheapest month in which you can book a flight from Boston to Istanbul Airport (average of $374). Flying from Boston to Istanbul Airport in May is currently the most expensive (average of $736). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Istanbul Airport?

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

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Alternative routes for Boston to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Sabiha Gokcen flights
Hartford to Istanbul flights
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Albany to Istanbul flights

Top 10 airlines flying from Boston to Istanbul

Discover the top 10 airlines that operate flights from Boston to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$405FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$475Average$746FlexibilityNo cancel feeOn-time70%
DeltaCheapest$547Average$962FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$582Average$644FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$593Average$661FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$601Average$1,062FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$621Average$1,122FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$636Average$709FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$647Average$911FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$680Average$785FlexibilityNo cancel feeOn-time68%

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