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$399+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Istanbul are usually found in October or September, booked 76 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 September 15, 2025.

Round-trip from

$645
(Air France)

One-way from

$399
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$762

Good round-trip deal

$701 or less

Good one-way deal

$451 or less
From Boston Logan Intl to Istanbul
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One-way flight from Boston Logan Intl to Istanbul
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Highest demand for flights based on searches. 13% potential increase in price ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Istanbul.
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Price to beat on a one-way flight from Boston Logan Intl to Istanbul.
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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 September 15, 2025.

This Air France deal was found by Cheapflights users on 9/13. 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.
Tue 10/1410:20 pmBOS - IST
1 stop22h 05mAir France
Tue 10/284:50 amIST - BOS
2 stops15h 40mAir France
Deal found 9/13$645
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Tue 11/114:20 pmBOS - IST
3 stops18h 10mMultiple Airlines
Tue 11/189:00 amIST - BOS
2 stops17h 35mMultiple Airlines
Deal found 9/13$646
This Justfly.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/285:20 pmBOS - IST
1 stop22h 25mLufthansa
Tue 11/47:00 pmIST - BOS
1 stop26h 25mLufthansa
Deal found 9/15$648
This KLM deal was found by Cheapflights users on 9/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:30 pmBOS - IST
2 stops14h 25mKLM
Sun 11/95:55 pmIST - BOS
1 stop27h 25mKLM
Deal found 9/13$649
This Delta deal was found by Cheapflights users on 9/14. 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 10/289:30 pmBOS - IST
1 stop23h 20mDelta
Tue 11/45:55 pmIST - BOS
1 stop27h 25mDelta
Deal found 9/14$650
This oojo deal was found by Cheapflights users on 9/13. 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 11/88:00 pmBOS - IST
Nonstop9h 25mTurkish Airlines
Wed 11/193:35 pmIST - BOS
Nonstop10h 30mTurkish Airlines
Deal found 9/13$652
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:50 pmBOS - IST
1 stop12h 05mMultiple Airlines
Mon 12/14:50 amIST - BOS
2 stops15h 40mMultiple Airlines
Deal found 9/15$653
This Air France deal was found by Cheapflights users on 9/14. 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.
Wed 12/35:00 pmBOS - IST
2 stops15h 55mMultiple Airlines
Sun 12/74:50 amIST - BOS
2 stops16h 30mMultiple Airlines
Deal found 9/14$654
This Icelandair deal was found by Cheapflights users on 9/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:35 pmBOS - IST
1 stop17h 20mIcelandair
Sat 11/112:25 pmIST - BOS
1 stop13h 25mIcelandair
Deal found 9/14$656
This IEagle deal was found by Cheapflights users on 9/14. 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.
Tue 10/149:35 pmBOS - IST
Nonstop9h 20mTurkish Airlines
Tue 10/214:25 pmIST - BOS
Nonstop10h 15mTurkish Airlines
Deal found 9/14$657
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Tue 11/118:00 pmBOS - IST
Nonstop9h 25mTurkish Airlines
Thu 12/113:35 pmIST - BOS
Nonstop10h 30mTurkish Airlines
Deal found 9/14$658

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 September 15, 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 10/18

10:20 pm-3:25 am

1 stop22h 05m

Istanbul

Fri 11/7

4:50 am-12:30 pm

2 stops15h 40m

$645

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 10/28

9:30 pm-3:50 am

1 stop23h 20m

Istanbul

Tue 11/4

5:55 pm-1:20 pm

1 stop27h 25m

$650

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sat 11/15

3:40 pm-10:45 pm

2 stops23h 05m

Istanbul

Sun 12/7

6:30 am-11:41 pm

2 stops25h 11m

$653

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 11/26

8:50 pm-4:55 pm

1 stop12h 05m

Istanbul

Mon 12/1

4:50 am-12:30 pm

2 stops15h 40m

$653

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 10/13

8:59 pm-3:25 am

2 stops23h 26m

Istanbul

Sun 11/2

4:50 am-1:40 pm

1 stop16h 50m

$682

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 12/10

7:30 am-4:55 pm

2 stops25h 25m

Istanbul

Tue 12/16

4:50 am-1:35 pm

1 stop16h 45m

$683

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-10:31 pm

2 stops25h 11m

$688

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Fri 12/12

8:50 pm-4:55 pm

1 stop12h 05m

Istanbul

Tue 12/16

4:50 am-4:20 pm

1 stop19h 30m

$701

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sun 11/2

6:30 pm-3:50 am

1 stop25h 20m

Istanbul

Tue 11/11

4:50 am-4:15 pm

2 stops19h 25m

$701

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sun 10/12

9:55 pm-12:25 am

1 stop19h 30m

Istanbul

Fri 11/7

6:40 pm-7:45 pm

1 stop33h 05m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
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2
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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 September 12, 2025.

Booking 76 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 $916). Flying from Boston to Istanbul Airport in June is currently the most expensive (average of $1,359). 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 September 15, 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 16% 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 Wednesday mornings when fares are most often at their lowest. Wednesday at noon 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 September 15, 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
7.8
Good
1,385 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Turkish Airlines
7.3
Good
3,968 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
JetBlue
7.2
Good
2,912 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,407 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
British Airways
6.7
Okay
7,361 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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?

    Delta and United Airlines can get you from Boston to Istanbul Airport in just under 23h 05m. Your travel time can differ by up to 15m. 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 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 (64%), JetBlue (64%), Turkish Airlines (64%).

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

    Looking at all options, your cheapest flight can be booked for $408. While the most popular route (Boston Logan Intl - Istanbul) can be booked for $405 on average, our data indicates $1,562 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 $40 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 $916). Flying from Boston to Istanbul Airport in June is currently the most expensive (average of $1,359). 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.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$400FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$485Average$789FlexibilityNo cancel feeOn-time70%
DeltaCheapest$547Average$957FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$582Average$680FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$593Average$661FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$621Average$1,121FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$636Average$719FlexibilityNo cancel feeOn-time71%
Qatar AirwaysCheapest$680Average$789FlexibilityNo cancel feeOn-time68%
Turkish AirlinesCheapest$687Average$924FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$712Average$1,073FlexibilityNo cancel feeOn-time76%

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