HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Istanbul

$319+ 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
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 November or October, booked 88 days in advance, depart on a Monday or Wednesday 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 December 8, 2025.

This Delta deal was found by Cheapflights users on 12/6. 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.
Wed 12/318:50 pmBOS - IST
1 stop12h 05mDelta
Thu 1/85:55 pmIST - BOS
1 stop33h 00mDelta
Deal found 12/6$675
This KLM deal was found by Cheapflights users on 12/8. 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 12/318:50 pmBOS - IST
1 stop12h 05mKLM
Sat 1/105:55 pmIST - BOS
2 stops26h 35mKLM
Deal found 12/8$691
This KLM deal was found by Cheapflights users on 12/8. 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.
Tue 12/308:25 pmBOS - IST
1 stop23h 25mKLM
Mon 1/125:55 pmIST - BOS
2 stops26h 35mKLM
Deal found 12/8$695
This KAYAK deal was found by Cheapflights users on 12/8. 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.
Wed 12/317:50 pmBOS - IST
1 stop19h 45mIcelandair
Tue 1/139:00 amIST - BOS
2 stops16h 50mIcelandair
Deal found 12/8$706
This Delta deal was found by Cheapflights users on 12/6. 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.
Mon 12/298:50 pmBOS - IST
1 stop12h 05mDelta
Thu 1/85:55 pmIST - BOS
1 stop33h 00mDelta
Deal found 12/6$717
This Delta deal was found by Cheapflights users on 12/6. 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 12/308:25 pmBOS - IST
1 stop23h 25mDelta
Thu 1/85:55 pmIST - BOS
1 stop33h 00mDelta
Deal found 12/6$729
This Delta deal was found by Cheapflights users on 12/6. 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.
Wed 12/318:50 pmBOS - IST
1 stop12h 05mDelta
Sat 1/105:55 pmIST - BOS
1 stop33h 00mDelta
Deal found 12/6$735
This Mytrip deal was found by Cheapflights users on 12/6. 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 12/710:10 pmBOS - SAW
2 stops13h 05mMultiple Airlines
Sun 12/1410:35 amSAW - BOS
2 stops17h 25mMultiple Airlines
Deal found 12/6$786
This Mytrip deal was found by Cheapflights users on 12/6. 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 stops25h 00mMultiple Airlines
Thu 12/1111:45 amSAW - BOS
2 stops16h 15mMultiple Airlines
Deal found 12/6$908
This Ovago deal was found by Cheapflights users on 12/8. 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.
Mon 12/294:45 pmBOS - SAW
1 stop20h 20mIberia
Mon 1/129:15 amSAW - BOS
1 stop18h 35mIberia
Deal found 12/8$920
This Ovago deal was found by Cheapflights users on 12/8. 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.
Tue 12/304:45 pmBOS - SAW
1 stop20h 20mIberia
Mon 1/129:15 amSAW - BOS
1 stop18h 35mIberia
Deal found 12/8$932

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 (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 December 8, 2025.

Round-trip from

$601
(Delta)

One-way from

$319
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,084
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 ($169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 8, 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

Thu 1/29

6:55 pm-5:30 pm

1 stop14h 35m

Istanbul

Mon 2/2

3:15 pm-2:20 pm

1 stop31h 05m

$607

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 1/12

3:35 pm-5:30 pm

2 stops17h 55m

Istanbul

Sun 1/18

9:20 pm-2:20 pm

1 stop25h 00m

$611

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Fri 2/6

10:05 am-4:55 pm

2 stops22h 50m

Istanbul

Thu 2/12

5:55 pm-3:15 pm

2 stops29h 20m

$625

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Sun 1/11

8:50 pm-5:25 pm

1 stop12h 35m

Istanbul Sabiha Gokcen

Thu 1/15

12:55 pm-1:30 pm

1 stop32h 35m

$644

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Sat 3/7

7:10 pm-12:10 am

1 stop21h 00m

Istanbul Sabiha Gokcen

Fri 3/13

9:00 am-7:55 pm

1 stop17h 55m

$644

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Mon 2/16

7:10 pm-5:25 pm

1 stop14h 15m

Istanbul Sabiha Gokcen

Sun 2/22

3:45 pm-1:25 pm

1 stop29h 40m

$644

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Fri 1/16

8:50 pm-5:25 pm

1 stop12h 35m

Istanbul Sabiha Gokcen

Thu 1/22

12:55 pm-1:30 pm

1 stop32h 35m

$644

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Wed 1/21

8:50 pm-5:25 pm

1 stop12h 35m

Istanbul Sabiha Gokcen

Wed 1/28

12:55 pm-1:30 pm

1 stop32h 35m

$644

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Wed 1/21

8:50 pm-5:25 pm

1 stop12h 35m

Istanbul Sabiha Gokcen

Mon 1/26

12:55 pm-1:30 pm

1 stop32h 35m

$644

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Wed 1/28

7:10 pm-9:20 pm

1 stop18h 10m

Istanbul Sabiha Gokcen

Wed 2/11

12:55 pm-6:55 pm

1 stop14h 00m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 42 results
1
2
3
...
5

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 December 5, 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 $731). 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 December 8, 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.

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 December 8, 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
1,431 reviews

Boarding

7.8

Comfort

7.6

Crew

8.3

Overall

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,431 reviews
KLM
7.7
Good
1,431 reviews

Boarding

7.8

Comfort

7.6

Crew

8.3

Overall

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Turkish Airlines
7.3
Good
4,084 reviews
KLM
7.7
Good
1,431 reviews

Boarding

7.8

Comfort

7.6

Crew

8.3

Overall

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
JetBlue
7.2
Good
2,899 reviews
KLM
7.7
Good
1,431 reviews

Boarding

7.8

Comfort

7.6

Crew

8.3

Overall

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,618 reviews
KLM
7.7
Good
1,431 reviews

Boarding

7.8

Comfort

7.6

Crew

8.3

Overall

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,571 reviews
KLM
7.7
Good
1,431 reviews

Boarding

7.8

Comfort

7.6

Crew

8.3

Overall

7.7

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 3 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 12h 35m. 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 ($475), 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 cheapest airlines to fly from Boston to Istanbul one-way?

    One-way options have recently been found by users for as low as $289 on Lufthansa. Other airlines that offer cheap prices include Etihad Airways from $371 and JetBlue from $384 one-way.

  • 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 (49%), JetBlue (49%), Turkish Airlines( 49%).

  • What are the cheapest flights from Boston to Istanbul?

    Looking at all options, your cheapest flight can be booked for $416. While the most popular route (Boston Logan Intl - Istanbul) can be booked for $380 on average, our data indicates $1,615 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 $731). 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

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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$407FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$475Average$755FlexibilityNo cancel feeOn-time70%
DeltaCheapest$547Average$960FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$570Average$683FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$593Average$661FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$595Average$1,058FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$621Average$1,122FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$636Average$710FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$639Average$900FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$680Average$785FlexibilityNo cancel feeOn-time68%

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.