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$247+ Cheap flights from Boston (BOS) to Istanbul

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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 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 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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 12/93:40 pmBOS - SAW
2 stops19h 35mMultiple Airlines
Sun 12/1410:35 amSAW - BOS
2 stops17h 25mMultiple Airlines
Deal found 10/29$594
This Delta deal was found by Cheapflights users on 10/30. 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 12/28:25 pmBOS - IST
1 stop23h 25mDelta
Sun 12/74:50 amIST - BOS
1 stop16h 45mDelta
Deal found 10/30$595
This Lufthansa deal was found by Cheapflights users on 10/30. 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.
Mon 12/14:20 pmBOS - IST
1 stop17h 35mLufthansa
Mon 12/87:00 pmIST - BOS
1 stop26h 25mLufthansa
Deal found 10/30$597
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Fri 11/288:40 pmBOS - SAW
2 stops15h 25mMultiple Airlines
Fri 12/59:05 amSAW - BOS
2 stops18h 55mMultiple Airlines
Deal found 10/29$598
This Air Canada deal was found by Cheapflights users on 10/28. 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.
Tue 11/256:15 amBOS - IST
2 stops29h 10mAir Canada
Wed 12/36:30 amIST - BOS
2 stops20h 42mAir Canada
Deal found 10/28$598
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:20 pmBOS - IST
1 stop17h 35mLufthansa
Mon 12/156:30 amIST - BOS
1 stop14h 55mLufthansa
Deal found 10/30$599
This lastminute.com deal was found by Cheapflights users on 10/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:00 pmBOS - IST
Nonstop9h 25mTurkish Airlines
Thu 11/203:35 pmIST - BOS
Nonstop10h 30mTurkish Airlines
Deal found 10/28$600
This KAYAK deal was found by Cheapflights users on 10/30. 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.
Mon 12/14:20 pmBOS - IST
1 stop17h 35mLufthansa
Wed 12/107:00 pmIST - BOS
1 stop26h 25mLufthansa
Deal found 10/30$602
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 12/45:00 pmBOS - IST
2 stops26h 50mDelta
Sun 12/145:55 pmIST - BOS
1 stop27h 25mDelta
Deal found 10/29$603
This Mytrip deal was found by Cheapflights users on 10/30. 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 12/18:40 pmBOS - IST
2 stops18h 05mLufthansa
Sun 12/77:00 pmIST - BOS
1 stop26h 25mLufthansa
Deal found 10/30$604
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Wed 11/193:40 pmBOS - SAW
3 stops19h 20mMultiple Airlines
Wed 12/38:45 amSAW - BOS
3 stops20h 42mMultiple Airlines
Deal found 10/29$606
This Mytrip deal was found by Cheapflights users on 10/27. 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 11/119:50 pmBOS - IST
2 stops18h 30mMultiple Airlines
Mon 11/1712:15 amIST - BOS
2 stops21h 50mMultiple Airlines
Deal found 10/27$606

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 (TR5). 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 30, 2025.

Round-trip from

$594
(Mytrip)

One-way from

$247
(Mytrip)

Popular in

June

Cheapest in

October

Average price

$742
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 ($154 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

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 30, 2025.
Use the filters below to find and compare flights from Boston to Istanbul that are best for you.

Fly from

Boston

Fly to

Istanbul

Route

Depart

Return

Price

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Fri 2/20

6:30 pm-3:50 am

1 stop25h 20m

Istanbul

Fri 2/27

4:50 am-1:40 pm

1 stop16h 50m

$595

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Fri 1/16

3:40 pm-10:45 pm

2 stops23h 05m

Istanbul

Tue 1/20

6:30 am-5:14 pm

2 stops18h 44m

$623

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sun 3/15

4:48 pm-6:05 pm

2 stops18h 17m

Istanbul

Sun 3/22

6:30 am-7:35 pm

2 stops20h 05m

$623

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sat 3/14

7:30 pm-3:50 am

1 stop25h 20m

Istanbul

Sun 3/22

4:50 am-5:20 pm

1 stop19h 30m

$625

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sun 3/15

9:50 pm-4:55 pm

1 stop12h 05m

Istanbul

Fri 3/27

4:50 am-2:30 pm

1 stop16h 40m

$628

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Wed 11/12

7:10 pm-5:25 pm

1 stop14h 15m

Istanbul Sabiha Gokcen

Mon 12/8

12:55 pm-6:55 pm

1 stop14h 00m

$643

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Tue 11/11

7:10 pm-5:25 pm

1 stop14h 15m

Istanbul Sabiha Gokcen

Mon 12/8

12:55 pm-6:55 pm

1 stop14h 00m

$643

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Wed 11/12

7:10 pm-5:25 pm

1 stop14h 15m

Istanbul Sabiha Gokcen

Wed 11/19

9:00 am-6:55 pm

1 stop17h 55m

$643

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Mon 1/19

7:10 pm-5:25 pm

1 stop14h 15m

Istanbul Sabiha Gokcen

Sun 1/25

12:55 pm-6:55 pm

1 stop14h 00m

$644

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Sun 11/30

8:50 pm-5:25 pm

1 stop12h 35m

Istanbul Sabiha Gokcen

Mon 12/8

12:55 pm-6:55 pm

1 stop14h 00m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 42 results
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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

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

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 24, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Istanbul, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Boston to Istanbul (average of $385). Flying from Boston to Istanbul 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 October 30, 2025.

When flying from Boston to Istanbul, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 15% versus a flight at noon.

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

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 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 30, 2025.
Read reviews from past customers who have flown KLM, Turkish Airlines, and JetBlue from Boston to Istanbul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

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
1,406 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

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
4,033 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

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
2,906 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

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
7,542 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

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
7,488 reviews
KLM
7.7
Good
1,406 reviews

Comfort

7.7

Entertainment

7.1

Crew

8.4

Overall

7.7

Boarding

7.8

Food

7.3

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?

    If you book a flight to Istanbul from Boston, you will be flying from Logan Intl, which is the city’s only airport. Boston Logan Intl (BOS) is located 2.6 mi from the center of Boston. There are 2 flights from Logan Intl to Istanbul per day from 13 different airlines.

  • How long is the flight from Boston to Istanbul?

    Departing from Boston to Istanbul will take you 14h 15m. Boston and Istanbul are separated by a distance of 4837 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 round-trip?

    According to our current data, Icelandair ($372), British Airways ($477), and Air Canada ($512) offers the cheapest pricing from Boston to Istanbul. Icelandair is 58% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Before booking your flight to Istanbul from Boston, check out the most reliable airlines to get you to your destination on time: Thai Airways (58%), JetBlue (58%), Turkish Airlines( 58%).

  • What are the cheapest flights from Boston to Istanbul?

    Looking at all options, your cheapest flight can be booked for $370. While the most popular route (Boston Logan Intl - Istanbul) can be booked for $513 on average, our data indicates $1,642 when flying from Boston to Istanbul.

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

    Flights departing from Boston and landing in Istanbul layover in London most frequently.

  • 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. Hyde Park, Buckingham Palace, and Piccadilly Circus are located about 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Those on a layover in London in need of a rental car can book one at London Heathrow for about $28.

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

    Boston to Istanbul flights have a layover in Frankfurt am Main least often.

  • 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?

    Currently, October is the cheapest month in which you can book a flight from Boston to Istanbul (average of $385). Flying from Boston to Istanbul 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

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$408FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$477Average$786FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$512Average$703FlexibilityNo cancel feeOn-time67%
DeltaCheapest$547Average$977FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$582Average$696FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$593Average$661FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$616Average$1,067FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$621Average$1,126FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$636Average$711FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$669Average$925FlexibilityNo cancel feeOn-time77%

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