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$298+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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 September, booked 85 days in advance, depart on a Tuesday or Monday 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 October 16, 2025.

This Mytrip deal was found by Cheapflights users on 10/16. 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 11/96:15 amBOS - IST
3 stops32h 30mMultiple Airlines
Sat 11/157:00 pmIST - BOS
3 stops31h 02mMultiple Airlines
Deal found 10/16$606
This Mytrip deal was found by Cheapflights users on 10/15. 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.
Mon 12/15:30 amBOS - IST
3 stops29h 00mMultiple Airlines
Mon 12/158:30 pmIST - BOS
2 stops25h 35mMultiple Airlines
Deal found 10/15$610
This Lufthansa deal was found by Cheapflights users on 10/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:20 pmBOS - IST
1 stop17h 45mLufthansa
Thu 11/207:00 pmIST - BOS
1 stop26h 25mLufthansa
Deal found 10/16$611
This Justfly.com deal was found by Cheapflights users on 10/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:00 pmBOS - IST
Nonstop9h 25mTurkish Airlines
Tue 11/113:35 pmIST - BOS
Nonstop10h 30mTurkish Airlines
Deal found 10/15$613
This KAYAK deal was found by Cheapflights users on 10/16. 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.
Thu 11/134:20 pmBOS - IST
1 stop17h 45mLufthansa
Wed 11/197:00 pmIST - BOS
1 stop26h 25mLufthansa
Deal found 10/16$616
This FlightHub deal was found by Cheapflights users on 10/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2211:35 amBOS - IST
1 stop28h 20mIcelandair
Mon 12/812:25 pmIST - BOS
1 stop13h 25mIcelandair
Deal found 10/15$617
This Air Canada deal was found by Cheapflights users on 10/15. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:40 pmBOS - IST
2 stops24h 05mAir Canada
Sat 12/68:10 amIST - BOS
2 stops19h 02mAir Canada
Deal found 10/15$618
This Gurufare deal was found by Cheapflights users on 10/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amBOS - IST
2 stops27h 25mBritish Airways
Thu 11/206:40 pmIST - BOS
1 stop33h 05mBritish Airways
Deal found 10/15$619
This KAYAK deal was found by Cheapflights users on 10/15. 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.
Wed 11/122:21 pmBOS - IST
2 stops24h 24mLufthansa
Fri 11/217:00 pmIST - BOS
1 stop26h 25mLufthansa
Deal found 10/15$620
This IEagle deal was found by Cheapflights users on 10/15. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/58:00 pmBOS - IST
Nonstop9h 25mTurkish Airlines
Tue 11/253:35 pmIST - BOS
Nonstop10h 30mTurkish Airlines
Deal found 10/15$621
This FlightHub deal was found by Cheapflights users on 10/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:20 pmBOS - IST
1 stop22h 25mMultiple Airlines
Wed 11/267:55 amIST - BOS
2 stops21h 32mMultiple Airlines
Deal found 10/15$623

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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$606
(Mytrip)

One-way from

$298
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$742

Good round-trip deal

$717 or less

Good one-way deal

$459 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. 14% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 16, 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

Sat 1/10

7:30 am-1:10 am

1 stop33h 40m

Istanbul

Sun 1/18

9:20 pm-2:20 pm

1 stop25h 00m

$638

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 11/25

9:59 am-4:55 pm

2 stops22h 56m

Istanbul

Wed 12/10

4:50 am-1:35 pm

1 stop16h 45m

$640

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 12/1

4:29 pm-10:45 pm

2 stops22h 16m

Istanbul

Wed 12/17

6:30 am-1:25 pm

1 stop14h 55m

$646

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 12/3

7:10 pm-4:55 pm

1 stop13h 45m

Istanbul

Thu 12/18

4:50 am-10:23 pm

2 stops25h 33m

$646

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 11/17

7:30 am-5:30 pm

1 stop26h 00m

Istanbul

Wed 12/3

7:35 am-4:00 pm

1 stop16h 25m

$659

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 12/4

6:30 pm-4:55 pm

2 stops14h 25m

Istanbul

Mon 12/8

4:50 am-1:35 pm

1 stop16h 45m

$659

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 11/19

3:47 pm-5:25 pm

2 stops17h 38m

Istanbul

Thu 11/27

2:35 pm-7:45 pm

1 stop13h 10m

$665

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 4/1

5:50 pm-9:20 pm

1 stop20h 30m

Istanbul

Sat 4/11

2:00 pm-1:09 am

2 stops18h 09m

$669

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 12/11

6:30 pm-3:50 am

1 stop25h 20m

Istanbul

Sat 12/27

5:55 pm-6:55 pm

1 stop33h 00m

$689

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 10/21

6:10 pm-12:20 am

3 stops23h 10m

$313

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 18 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Istanbul Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 10, 2025.

Booking 85 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 $385). Flying from Boston to Istanbul Airport in May is currently the most expensive (average of $745). 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 October 16, 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 14% versus a flight at noon.

What is the cheapest day to fly from Boston to Istanbul Airport?

Use this chart to determine the cheapest time to fly round-trip from Boston to Istanbul. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Istanbul Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 16, 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
1,404 reviews

Overall

7.7

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

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
1,404 reviews
KLM
7.7
Good
1,404 reviews

Overall

7.7

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

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
4,010 reviews
KLM
7.7
Good
1,404 reviews

Overall

7.7

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

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
2,907 reviews
KLM
7.7
Good
1,404 reviews

Overall

7.7

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

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
7,497 reviews
KLM
7.7
Good
1,404 reviews

Overall

7.7

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

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
7,457 reviews
KLM
7.7
Good
1,404 reviews

Overall

7.7

Comfort

7.6

Food

7.3

Boarding

7.8

Crew

8.4

Entertainment

7.1

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. 13 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 5 outbound flights to Istanbul per day.

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

    British Airways, Delta, and United Airlines can get you from Boston to Istanbul Airport in just under 22h 16m. Your travel time can differ by up to 11h 24m. 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 Air Canada. Users have found that Icelandair is 59% 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 (58%), JetBlue (58%), Turkish Airlines (58%).

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

    Looking at all options, your cheapest flight can be booked for $400. While the most popular route (Boston Logan Intl - Istanbul) can be booked for $375 on average, our data indicates $1,638 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 $36 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 $385). Flying from Boston to Istanbul Airport in May is currently the most expensive (average of $745). 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
Worcester to Istanbul flights
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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$401FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$481Average$781FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$512Average$703FlexibilityNo cancel feeOn-time67%
DeltaCheapest$547Average$973FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$582Average$668FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$593Average$661FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$621Average$1,125FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$636Average$711FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$673Average$927FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$680Average$787FlexibilityNo cancel feeOn-time68%

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