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$279+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
May 21 — May 281
Thu 5/21
Thu 5/28
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Istanbul are usually found in February or March, booked 89 days in advance, depart on a Wednesday or Thursday 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 April 21, 2026.

This LEVEL deal was found by Cheapflights users on 4/16. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:00 pm
BOS
-
IST
1 stop14h 30m
LEVEL
Wed 10/287:20 pm
IST
-
BOS
1 stop33h 35m
LEVEL
Deal found 4/16$659
This Kiwi.com deal was found by Cheapflights users on 4/19. 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.
Mon 5/410:50 pm
BOS
-
IST
1 stop14h 25m
LEVEL
Thu 5/149:30 pm
IST
-
BOS
1 stop30h 35m
LEVEL
Deal found 4/19$660
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sun 10/411:50 pm
BOS
-
IST
1 stop14h 35m
Multiple Airlines
Sat 10/171:50 pm
IST
-
BOS
2 stops39h 15m
Multiple Airlines
Deal found 4/16$662
This LEVEL deal was found by Cheapflights users on 4/17. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:50 pm
BOS
-
IST
1 stop21h 50m
LEVEL
Thu 5/149:30 pm
IST
-
BOS
1 stop30h 35m
LEVEL
Deal found 4/17$663
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sat 10/311:00 pm
BOS
-
IST
1 stop21h 40m
LEVEL
Wed 10/1410:20 pm
IST
-
BOS
1 stop29h 55m
LEVEL
Deal found 4/16$667
This oojo deal was found by Cheapflights users on 4/19. 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 10/209:50 pm
BOS
-
IST
Nonstop9h 20m
Turkish Airlines
Tue 11/33:35 pm
IST
-
BOS
Nonstop11h 30m
Turkish Airlines
Deal found 4/19$675
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Thu 10/111:00 pm
BOS
-
IST
1 stop31h 10m
LEVEL
Wed 10/1410:20 pm
IST
-
BOS
1 stop29h 55m
LEVEL
Deal found 4/16$683
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Wed 9/3011:00 pm
BOS
-
IST
1 stop14h 30m
LEVEL
Sat 10/176:10 pm
IST
-
BOS
1 stop34h 55m
LEVEL
Deal found 4/16$689
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Mon 9/2811:00 pm
BOS
-
IST
1 stop14h 15m
LEVEL
Wed 10/1410:20 pm
IST
-
BOS
1 stop29h 55m
LEVEL
Deal found 4/16$691
This oojo deal was found by Cheapflights users on 4/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:00 pm
BOS
-
IST
Nonstop9h 25m
Turkish Airlines
Wed 11/183:35 pm
IST
-
BOS
Nonstop10h 30m
Turkish Airlines
Deal found 4/20$692
This LEVEL deal was found by Cheapflights users on 4/18. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:00 pm
BOS
-
IST
1 stop14h 30m
LEVEL
Wed 9/306:10 pm
IST
-
BOS
1 stop34h 05m
LEVEL
Deal found 4/18$693
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sun 10/411:50 pm
BOS
-
SAW
1 stop13h 50m
Multiple Airlines
Sun 10/1810:10 am
SAW
-
BOS
1 stop18h 55m
Multiple Airlines
Deal found 4/16$695

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 April 21, 2026.

Round-trip from

$660
(Kiwi.com)

One-way from

$279
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$818
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. 18% potential increase in price ($184 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 21, 2026.
Use the filters below to find and compare flights from Boston to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 4/30

6:55 pm-1:20 am

1 stop23h 25m

Istanbul

Mon 5/11

5:20 pm-1:16 pm

1 stop26h 56m

$785

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Wed 5/6

4:35 pm-9:00 pm

1 stop21h 25m

Istanbul Sabiha Gokcen

Sat 6/6

8:50 am-4:35 pm

1 stop14h 45m

$858

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Fri 5/8

4:35 pm-5:05 pm

1 stop17h 30m

Istanbul Sabiha Gokcen

Sat 6/13

8:50 am-4:35 pm

1 stop14h 45m

$893

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Fri 5/8

4:35 pm-9:00 pm

1 stop21h 25m

Istanbul Sabiha Gokcen

Thu 5/28

8:50 am-4:25 pm

1 stop14h 35m

$893

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Wed 10/7

4:45 pm-5:05 pm

1 stop17h 20m

Istanbul Sabiha Gokcen

Sun 10/18

2:40 pm-1:15 pm

1 stop29h 35m

$933

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 5/14

4:35 pm-4:20 pm

1 stop16h 45m

Istanbul

Tue 6/9

4:25 am-2:55 pm

1 stop17h 30m

$972

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 6/1

8:25 pm-1:20 am

1 stop21h 55m

Istanbul

Tue 6/9

4:25 am-2:55 pm

1 stop17h 30m

$972

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 6/10

8:25 pm-1:20 am

1 stop21h 55m

Istanbul

Sun 6/28

4:25 am-7:35 pm

1 stop22h 10m

$972

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Sat 5/23

6:50 pm-1:20 am

1 stop23h 30m

Istanbul

Fri 5/29

4:25 am-2:55 pm

1 stop17h 30m

$972

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 5/6

8:25 pm-1:20 am

1 stop21h 55m

Istanbul

Sat 6/6

4:25 am-2:55 pm

1 stop17h 30m

$972

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 45 resultsSorted by cheapest first
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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

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 April 17, 2026.

To ensure you get the cheapest price possible for a flight from Boston to Istanbul, you should look to book at least 89 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 $372). Flying from Boston to Istanbul in April is currently the most expensive (average of $1,726). 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 April 21, 2026.

When flying from Boston to Istanbul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 21, 2026.

The most flights from BOS to TR5 are scheduled on a Monday (5 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Boston to Istanbul?

How often are flights from Boston to Istanbul delayed?

About 25% of weekly flights between Boston and Istanbul have experienced delays in the past year, with the average delay time being 137 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?

Saturday 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 25% 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 April 21, 2026.
Read reviews from past customers who have flown KLM,Turkish Airlines, andJetBlue 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
1,501 reviews

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,501 reviews
KLM
7.8
Good
1,501 reviews

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Turkish Airlines
7.4
Good
4,317 reviews
KLM
7.8
Good
1,501 reviews

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
JetBlue
7.2
Good
2,949 reviews
KLM
7.8
Good
1,501 reviews

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,935 reviews
KLM
7.8
Good
1,501 reviews

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,898 reviews
KLM
7.8
Good
1,501 reviews

Entertainment

7.1

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 11 different airlines.

  • How long is the flight from Boston to Istanbul?

    Departing from Boston to Istanbul will take you 23h 25m. Boston and Istanbul are separated by a distance of 4797 mi.

  • What are the cheapest airlines flying from Boston to Istanbul round-trip?

    According to our current data, Icelandair ($372), British Airways ($472), and Delta ($532) offers the cheapest pricing from Boston to Istanbul. Icelandair is 55% 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 JetBlue from $384 and British Airways from $398 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 (65%), JetBlue (65%), Turkish Airlines( 65%).

  • What are the cheapest flights from Boston to Istanbul?

    Looking at all options, your cheapest flight can be booked for $471. While the most popular route (Boston Logan Intl - Istanbul) can be booked for $675 on average, our data indicates $1,342 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 Frankfurt am Main most frequently.

  • What are some popular things to do or see while on a layover in Frankfurt am Main?

    Most Frankfurt am Main visitors opt to spend their time experiencing Römerberg, Oper Frankfurt, and Festhalle. Römerberg, Oper Frankfurt, and Festhalle are located about 7.4 mi, 7.0 mi, and 6.5 mi, respectively from Frankfurt am Main. Those on a layover in Frankfurt am Main in need of a rental car can book one at Frankfurt am Main for about $39.

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

    Boston to Istanbul flights have a layover in London 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 $372). Flying from Boston to Istanbul in April is currently the most expensive (average of $1,726). 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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Alternative routes for Boston to Istanbul

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Istanbul flights
Boston to Ankara flights
Boston to Van flights
Boston to Bodrum flights

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 April 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$410FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$472Average$665FlexibilityNo cancel feeOn-time70%
DeltaCheapest$532Average$822FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$555Average$1,016FlexibilityNo cancel feeOn-time76%
KLMCheapest$563Average$669FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$587Average$1,065FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$588Average$840FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$588Average$743FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$593Average$712FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$726Average$801FlexibilityNo cancel feeOn-time75%

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