HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Istanbul

$538+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Istanbul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Boston Logan Intl to Istanbul are usually found in February or November, booked 80 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap 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 May 29, 2026.

This Mytrip deal was found by Cheapflights users on 5/25. 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.
Sat 10/249:40 pm
BOS
-
IST
2 stops18h 05m
Multiple Airlines
Wed 11/1111:35 am
IST
-
BOS
2 stops16h 42m
Multiple Airlines
Deal found 5/25$827
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:10 pm
BOS
-
IST
2 stops21h 45m
Delta
Wed 11/115:55 pm
IST
-
BOS
1 stop27h 30m
Delta
Deal found 5/25$828
This oojo deal was found by Cheapflights users on 5/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:00 pm
BOS
-
IST
1 stop37h 35m
Qatar Airways
Sat 10/108:05 pm
IST
-
BOS
1 stop26h 10m
Qatar Airways
Deal found 5/25$829
This FlightHub deal was found by Cheapflights users on 5/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:25 pm
BOS
-
IST
1 stop37h 40m
Etihad Airways
Thu 8/132:10 pm
IST
-
BOS
1 stop31h 30m
Etihad Airways
Deal found 5/24$831
This British Airways deal was found by Cheapflights users on 5/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:30 pm
BOS
-
IST
1 stop21h 55m
British Airways
Mon 8/248:15 pm
IST
-
BOS
1 stop30h 50m
British Airways
Deal found 5/25$832
This oojo deal was found by Cheapflights users on 5/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:30 am
BOS
-
IST
1 stop22h 05m
British Airways
Mon 11/96:40 pm
IST
-
BOS
2 stops28h 42m
British Airways
Deal found 5/24$833
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:45 pm
BOS
-
IST
1 stop25h 35m
Delta
Thu 11/125:55 pm
IST
-
BOS
2 stops32h 32m
Delta
Deal found 5/25$834
This FlightHub deal was found by Cheapflights users on 5/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:25 pm
BOS
-
IST
1 stop37h 40m
Etihad Airways
Sun 9/202:10 pm
IST
-
BOS
1 stop31h 30m
Etihad Airways
Deal found 5/25$835
This Air Canada deal was found by Cheapflights users on 5/24. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:50 pm
BOS
-
IST
2 stops36h 45m
Air Canada
Wed 8/2610:40 am
IST
-
BOS
2 stops38h 27m
Air Canada
Deal found 5/24$836
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:10 pm
BOS
-
IST
2 stops21h 45m
Delta
Fri 11/67:15 am
IST
-
BOS
2 stops23h 11m
Delta
Deal found 5/25$838
This Ovago deal was found by Cheapflights users on 5/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:00 pm
BOS
-
IST
1 stop37h 35m
Qatar Airways
Sun 10/118:05 pm
IST
-
BOS
1 stop26h 10m
Qatar Airways
Deal found 5/24$839
This Etihad Airways deal was found by Cheapflights users on 5/24. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:25 pm
BOS
-
IST
1 stop37h 40m
Etihad Airways
Tue 8/252:10 pm
IST
-
BOS
1 stop31h 30m
Etihad Airways
Deal found 5/24$840

Find 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 May 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$827
(Mytrip)

One-way from

$538
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,057

Good round-trip deal

$975 or less

Good one-way deal

$610 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. 20% potential increase in price ($219 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 29, 2026.
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

Cheapest round-trip

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 8/20

4:25 pm-1:05 pm

1 stop37h 40m

Istanbul

Fri 8/28

2:10 pm-2:40 pm

1 stop31h 30m

$885

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sun 8/9

7:30 pm-12:25 am

1 stop21h 55m

Istanbul

Mon 8/24

8:15 am-9:43 pm

2 stops20h 28m

$892

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 8/24

8:25 pm-1:20 am

1 stop21h 55m

Istanbul

Wed 9/2

6:00 am-4:35 pm

1 stop17h 35m

$959

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 7/28

4:00 pm-3:30 am

2 stops28h 30m

Istanbul

Wed 9/2

6:00 am-8:45 pm

2 stops21h 45m

$993

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 8/20

2:28 pm-1:00 pm

2 stops15h 32m

Istanbul

Mon 9/7

5:55 pm-3:40 pm

1 stop28h 45m

$999

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 6/10

8:25 pm-1:20 am

1 stop21h 55m

Istanbul

Sun 6/28

4:25 am-7:35 pm

1 stop22h 10m

$1,011

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Fri 6/19

6:55 pm-1:20 am

1 stop23h 25m

Istanbul

Sun 6/28

4:25 am-7:35 pm

1 stop22h 10m

$1,011

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sat 7/25

4:25 pm-1:05 pm

1 stop37h 40m

Istanbul

Sun 9/6

2:10 pm-2:40 pm

1 stop31h 30m

$1,025

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 7/30

4:40 pm-1:20 am

1 stop25h 40m

Istanbul

Wed 9/2

6:00 am-6:30 pm

1 stop19h 30m

$1,026

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 7/28

5:10 pm-3:30 am

1 stop27h 20m

Istanbul

Sun 9/6

5:20 pm-1:19 pm

1 stop26h 59m

$1,051

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/23

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*3 stars

*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?

Booking 79 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, February is the cheapest month in which you can book a flight from Boston to Istanbul Airport (average of $654). Flying from Boston to Istanbul Airport in June is currently the most expensive (average of $1,196). 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 May 29, 2026.

When flying from Boston to Istanbul Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 May 29, 2026.
See what other customers who have flown with KLM,Turkish Airlines, andJetBlue 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
7.8
Good
1,526 reviews

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,526 reviews
KLM
7.8
Good
1,526 reviews

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Turkish Airlines
7.4
Good
4,399 reviews
KLM
7.8
Good
1,526 reviews

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
JetBlue
7.2
Good
2,983 reviews
KLM
7.8
Good
1,526 reviews

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,032 reviews
KLM
7.8
Good
1,526 reviews

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,008 reviews
KLM
7.8
Good
1,526 reviews

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 5 outbound flights to Istanbul per day.

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

    Etihad Airways, British Airways, and Delta can get you from Boston to Istanbul Airport in just under 21h 55m. Your travel time can differ by up to 15h 45m. 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 LEVEL and British Airways. Users have found that Icelandair is 55% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Boston to Istanbul Airport one-way?

    The cheapest airlines for a one-way flight from Boston to Istanbul Airport are Lufthansa ($309), LEVEL ($322), and JetBlue ($384).

  • 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 $499. While the most popular route (Boston Logan Intl - Istanbul) can be booked for $718 on average, our data indicates $1,005 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 Frankfurt am Main most often.

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

    Most Frankfurt am Main visitors opt to spend their time experiencing Römerberg, Oper Frankfurt, and Festhalle. Those on a layover in Frankfurt am Main interested in visiting Römerberg, Oper Frankfurt, or Festhalle can do so by traveling 7.4 mi, 7.0 mi, and 6.5 mi, respectively from Frankfurt am Main. Travelers can book a car rental at Frankfurt am Main for about $43 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 London.

  • 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, February is the cheapest month in which you can book a flight from Boston to Istanbul Airport (average of $654). Flying from Boston to Istanbul Airport in June is currently the most expensive (average of $1,196). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$414FlexibilityNo cancel feeOn-time76%
LEVELCheapest$391Average$727FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$466Average$671FlexibilityNo cancel feeOn-time70%
DeltaCheapest$532Average$715FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$547Average$1,006FlexibilityNo cancel feeOn-time76%
KLMCheapest$570Average$849FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$577Average$712FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$582Average$826FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$587Average$1,084FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$588Average$743FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.