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$358+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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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 20, 2025.

This Mytrip deal was found by Cheapflights users on 11/18. 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 11/283:40 pmBOS - SAW
2 stops19h 15mMultiple Airlines
Wed 12/38:35 pmSAW - BOS
3 stops30h 37mMultiple Airlines
Deal found 11/18$620
This Mytrip deal was found by Cheapflights users on 11/18. 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 12/95:10 pmBOS - IST
3 stops27h 10mMultiple Airlines
Mon 12/1510:50 pmIST - BOS
2 stops28h 05mMultiple Airlines
Deal found 11/18$624
This Mytrip deal was found by Cheapflights users on 11/18. 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 12/910:15 amBOS - SAW
2 stops28h 20mMultiple Airlines
Mon 12/1511:10 amSAW - BOS
2 stops16h 50mMultiple Airlines
Deal found 11/18$631
This Mytrip deal was found by Cheapflights users on 11/18. 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 12/25:10 pmBOS - SAW
1 stop18h 10mMultiple Airlines
Sat 12/139:15 amSAW - BOS
1 stop17h 40mMultiple Airlines
Deal found 11/18$632
This Mytrip deal was found by Cheapflights users on 11/20. 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 stops31h 02mMultiple Airlines
Deal found 11/20$632
This Mytrip deal was found by Cheapflights users on 11/18. 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 12/97:50 pmBOS - SAW
2 stops20h 25mMultiple Airlines
Sun 12/149:00 amSAW - BOS
2 stops16h 50mMultiple Airlines
Deal found 11/18$633
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Thu 11/277:55 pmBOS - SAW
2 stops20h 15mMultiple Airlines
Thu 12/411:10 amSAW - BOS
2 stops35h 25mMultiple Airlines
Deal found 11/20$634
This Mytrip deal was found by Cheapflights users on 11/18. 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 12/14:20 pmBOS - SAW
2 stops20h 35mMultiple Airlines
Sun 12/711:10 amSAW - BOS
2 stops34h 15mMultiple Airlines
Deal found 11/18$639
This oojo deal was found by Cheapflights users on 11/17. 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.
Tue 12/28:00 pmBOS - IST
Nonstop9h 25mTurkish Airlines
Wed 12/103:35 pmIST - BOS
Nonstop10h 30mTurkish Airlines
Deal found 11/17$639
This KLM deal was found by Cheapflights users on 11/18. 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 12/38:50 pmBOS - IST
1 stop12h 05mKLM
Mon 12/84:50 amIST - BOS
1 stop16h 45mKLM
Deal found 11/18$640
This KLM deal was found by Cheapflights users on 11/17. 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.
Mon 12/17:10 pmBOS - SAW
1 stop18h 10mKLM
Wed 12/103:45 pmSAW - BOS
1 stop29h 35mKLM
Deal found 11/17$643
This Mytrip deal was found by Cheapflights users on 11/20. 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 11/2810:45 amBOS - IST
3 stops28h 00mMultiple Airlines
Tue 12/27:00 pmIST - BOS
3 stops28h 57mMultiple Airlines
Deal found 11/20$643

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 November 20, 2025.

Round-trip from

$611
(United Airlines)

One-way from

$358
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$739
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 ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 20, 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 - SAW

BOSSAW

Boston Logan Intl

Mon 1/12

6:30 pm-5:25 pm

2 stops14h 55m

Istanbul Sabiha Gokcen

Wed 1/28

3:45 pm-1:30 pm

1 stop29h 45m

$612

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Mon 1/19

6:30 pm-5:25 pm

2 stops14h 55m

Istanbul Sabiha Gokcen

Sun 1/25

12:55 pm-1:30 pm

1 stop32h 35m

$612

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Mon 2/2

6:30 pm-5:25 pm

2 stops14h 55m

Istanbul Sabiha Gokcen

Mon 2/9

12:55 pm-1:25 pm

1 stop32h 30m

$613

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 2/11

1:30 pm-6:05 pm

2 stops20h 35m

Istanbul

Sun 2/15

6:30 am-1:35 pm

1 stop15h 05m

$615

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 1/5

7:30 am-5:30 pm

1 stop26h 00m

Istanbul

Wed 1/14

7:35 am-7:33 pm

2 stops19h 58m

$616

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 1/12

7:10 pm-4:55 pm

1 stop13h 45m

Istanbul

Sun 1/18

4:50 am-12:30 pm

2 stops15h 40m

$621

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 12/3

8:50 pm-4:55 pm

1 stop12h 05m

Istanbul

Mon 12/8

4:50 am-1:35 pm

1 stop16h 45m

$640

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Mon 12/1

7:10 pm-9:20 pm

1 stop18h 10m

Istanbul Sabiha Gokcen

Wed 12/10

3:45 pm-1:20 pm

1 stop29h 35m

$643

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Wed 3/18

9:50 pm-5:25 pm

1 stop12h 35m

Istanbul Sabiha Gokcen

Mon 3/23

9:00 am-7:55 pm

1 stop17h 55m

$643

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Sat 3/7

7:10 pm-5:25 pm

1 stop14h 15m

Istanbul Sabiha Gokcen

Wed 3/11

12:55 pm-7:55 pm

1 stop14h 00m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 38 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 November 14, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Istanbul, you should look to book at least 88 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 $374). 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 November 20, 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.

How often are flights from Boston to Istanbul delayed?

About 29% of weekly flights between Boston and Istanbul have experienced delays in the past year, with the average delay time being 152 minutes.

What is the most punctual flight time for Boston to Istanbul flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Istanbul flights?

Over the last year, Turkish Airlines have had the lowest number of delays on this route, with just 29% of flights being delayed.

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 20, 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
1,414 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

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
1,414 reviews
KLM
7.7
Good
1,414 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

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
4,044 reviews
KLM
7.7
Good
1,414 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

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
2,902 reviews
KLM
7.7
Good
1,414 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

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
7,579 reviews
KLM
7.7
Good
1,414 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

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
7,533 reviews
KLM
7.7
Good
1,414 reviews

Boarding

7.8

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

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 4 flights from Logan Intl to Istanbul per day from 12 different airlines.

  • How long is the flight from Boston to Istanbul?

    Departing from Boston to Istanbul will take you 14h 55m. 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 ($476), and Delta ($547) 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 (45%), JetBlue (45%), Turkish Airlines( 45%).

  • 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 $395 on average, our data indicates $1,700 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 $29.

  • 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 $374). 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

Browse thousands of different options on Cheapflights for your next trip

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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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$408FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$476Average$768FlexibilityNo cancel feeOn-time70%
DeltaCheapest$547Average$976FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$582Average$696FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$593Average$661FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$613Average$1,064FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$621Average$1,129FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$636Average$710FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$656Average$920FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$680Average$785FlexibilityNo cancel feeOn-time68%

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