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$401+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 Wednesday or Tuesday 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 (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 septiembre 17, 2025.

Round-trip from

$641
(Kiwi.com)

One-way from

$401
(FlightHub)

Popular in

June

Cheapest in

October

Average price

$762
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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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 septiembre 17, 2025.

This oojo deal was found by Cheapflights users on 9/17. 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.
sáb. 11/225:35 pmBOS - IST
2 stops14h 25mMultiple Airlines
sáb. 11/294:50 pmIST - BOS
2 stops31h 00mMultiple Airlines
Deal found 9/17$643
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/256:05 amBOS - IST
2 stops26h 50mDelta
lun. 12/14:50 amIST - BOS
2 stops28h 31mDelta
Deal found 9/17$644
This Mytrip deal was found by Cheapflights users on 9/16. 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.
mié. 10/810:20 amBOS - IST
3 stops28h 35mMultiple Airlines
lun. 10/1310:35 pmIST - BOS
3 stops22h 55mMultiple Airlines
Deal found 9/16$647
This Mytrip deal was found by Cheapflights users on 9/16. 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.
mié. 10/810:20 amBOS - SAW
3 stops25h 00mMultiple Airlines
lun. 10/1311:00 amSAW - BOS
2 stops35h 25mMultiple Airlines
Deal found 9/16$648
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.
mar. 10/285:20 pmBOS - IST
1 stop22h 25mLufthansa
mar. 11/47:00 pmIST - BOS
1 stop26h 25mLufthansa
Deal found 9/15$648
This Air France deal was found by Cheapflights users on 9/17. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/98:50 pmBOS - IST
1 stop12h 05mMultiple Airlines
sáb. 11/224:50 amIST - BOS
2 stops16h 30mMultiple Airlines
Deal found 9/17$649
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/185:05 pmBOS - SAW
2 stops14h 00mMultiple Airlines
sáb. 11/111:50 amSAW - BOS
2 stops34h 15mMultiple Airlines
Deal found 9/17$650
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/36:30 pmBOS - IST
2 stops14h 25mKLM
lun. 12/85:55 pmIST - BOS
1 stop27h 25mKLM
Deal found 9/16$650
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/79:25 pmBOS - SAW
1 stop16h 00mMultiple Airlines
lun. 10/2010:25 amSAW - BOS
1 stop15h 20mMultiple Airlines
Deal found 9/16$651
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/810:00 pmBOS - IST
2 stops17h 25mMultiple Airlines
jue. 10/1610:15 amIST - BOS
2 stops16h 55mMultiple Airlines
Deal found 9/15$651
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/910:15 amBOS - SAW
3 stops24h 45mMultiple Airlines
dom. 11/238:45 amSAW - BOS
2 stops19h 15mMultiple Airlines
Deal found 9/17$653
This Air France deal was found by Cheapflights users on 9/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/68:25 pmBOS - IST
1 stop23h 25mAir France
sáb. 11/84:50 amIST - BOS
2 stops16h 30mAir France
Deal found 9/16$653

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 septiembre 17, 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

mar. 11/4

8:40 pm-6:55 pm

2 stops14h 15m

Istanbul Sabiha Gokcen

mar. 11/18

12:45 pm-8:20 pm

2 stops15h 35m

$672

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

sáb. 10/18

6:45 pm-5:10 pm

1 stop15h 25m

Istanbul Sabiha Gokcen

sáb. 11/1

12:55 pm-2:20 pm

1 stop32h 25m

$674

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

dom. 10/19

10:20 pm-3:25 am

1 stop22h 05m

Istanbul

sáb. 11/1

5:55 pm-2:20 pm

1 stop27h 25m

$674

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

sáb. 10/11

4:50 pm-9:00 pm

1 stop21h 10m

Istanbul Sabiha Gokcen

mié. 10/29

12:55 pm-2:20 pm

1 stop32h 25m

$674

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

dom. 10/19

6:45 pm-5:05 pm

1 stop15h 20m

Istanbul Sabiha Gokcen

dom. 11/2

12:55 pm-1:20 pm

1 stop32h 25m

$674

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

lun. 10/27

9:50 pm-9:20 pm

1 stop16h 30m

Istanbul Sabiha Gokcen

jue. 10/30

12:55 pm-2:20 pm

1 stop32h 25m

$674

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

lun. 10/20

6:45 pm-9:05 pm

1 stop19h 20m

Istanbul Sabiha Gokcen

mar. 11/4

12:55 pm-1:20 pm

1 stop32h 25m

$679

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

vie. 1/16

8:50 pm-4:55 pm

1 stop12h 05m

Istanbul

mar. 1/20

5:55 pm-6:55 pm

1 stop33h 00m

$682

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

vie. 2/13

11:00 am-4:55 pm

2 stops21h 55m

Istanbul

jue. 2/26

4:50 am-1:40 pm

1 stop16h 50m

$683

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

lun. 10/20

5:00 pm-3:25 am

2 stops27h 25m

Istanbul

lun. 11/3

4:50 am-8:10 pm

2 stops23h 20m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Istanbul, you should look to book at least 76 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 $910). Flying from Boston to Istanbul in June is currently the most expensive (average of $1,358). 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 septiembre 17, 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 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?

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 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.

Weekly flight availability from Boston to Istanbul

Explore weekly flight availability from Boston to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 17, 2025.

The most flights from BOS to TR5 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 septiembre 17, 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
7.8
Good
1,386 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

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
1,386 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

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
3,965 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

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
2,914 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

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
7,409 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

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
7,367 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Boarding

7.8

Entertainment

7.2

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?

    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 5 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 15h 25m. 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 ($485), and Delta ($547) offers the cheapest pricing from Boston to Istanbul. Icelandair is 59% 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 (56%), JetBlue (56%), Turkish Airlines( 56%).

  • What are the cheapest flights from Boston to Istanbul?

    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 $388 on average, our data indicates $1,567 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 $40.

  • 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 $910). Flying from Boston to Istanbul in June is currently the most expensive (average of $1,358). 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$400FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$485Average$799FlexibilityNo cancel feeOn-time70%
DeltaCheapest$547Average$957FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$582Average$701FlexibilityNo 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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