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$261+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Istanbul are usually found in November or January, 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 February 21, 2026.

This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:05 pm
BOS
-
IST
1 stop25h 25m
Delta
Tue 4/286:00 am
IST
-
BOS
2 stops24h 27m
Delta
Deal found 2/18$539
This KAYAK deal was found by Cheapflights users on 2/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:45 pm
BOS
-
IST
1 stop20h 50m
Lufthansa
Wed 4/153:45 am
IST
-
BOS
1 stop20h 55m
Lufthansa
Deal found 2/20$540
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:45 pm
BOS
-
IST
1 stop20h 40m
Multiple Airlines
Wed 4/225:40 am
IST
-
BOS
2 stops43h 05m
Multiple Airlines
Deal found 2/20$541
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:45 pm
BOS
-
IST
1 stop20h 50m
Lufthansa
Wed 4/153:45 am
IST
-
BOS
1 stop20h 55m
Lufthansa
Deal found 2/20$542
This Delta deal was found by Cheapflights users on 2/17. 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.
Mon 3/235:15 pm
BOS
-
IST
2 stops27h 35m
Delta
Fri 4/34:25 am
IST
-
BOS
2 stops22h 49m
Delta
Deal found 2/17$543
This FlightHub deal was found by Cheapflights users on 2/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:45 pm
BOS
-
IST
1 stop12h 15m
Lufthansa
Tue 5/123:45 am
IST
-
BOS
2 stops27h 14m
Lufthansa
Deal found 2/20$544
This FlightHub deal was found by Cheapflights users on 2/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:40 pm
BOS
-
IST
2 stops39h 20m
Multiple Airlines
Wed 5/61:55 pm
IST
-
BOS
2 stops34h 50m
Multiple Airlines
Deal found 2/21$545
This Lufthansa deal was found by Cheapflights users on 2/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:25 pm
BOS
-
IST
1 stop17h 40m
Lufthansa
Wed 12/166:30 am
IST
-
BOS
1 stop14h 40m
Lufthansa
Deal found 2/20$546
This Mytrip deal was found by Cheapflights users on 2/17. 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.
Tue 3/177:25 pm
BOS
-
SAW
2 stops16h 00m
Multiple Airlines
Tue 3/2410:10 pm
SAW
-
BOS
3 stops28h 25m
Multiple Airlines
Deal found 2/17$548
This Justfly.com deal was found by Cheapflights users on 2/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:25 pm
BOS
-
IST
1 stop17h 40m
Lufthansa
Wed 12/166:30 am
IST
-
BOS
2 stops20h 19m
Lufthansa
Deal found 2/20$548
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:20 am
BOS
-
IST
2 stops28h 25m
United Airlines
Wed 12/166:30 am
IST
-
BOS
1 stop14h 40m
United Airlines
Deal found 2/20$549
This Mytrip deal was found by Cheapflights users on 2/18. 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 4/1310:40 am
BOS
-
SAW
3 stops26h 35m
Multiple Airlines
Mon 4/273:45 pm
SAW
-
BOS
2 stops35h 10m
Multiple Airlines
Deal found 2/18$550

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 February 21, 2026.

Round-trip from

$539
(Delta)

One-way from

$261
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$709
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 ($188 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 February 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 February 21, 2026.
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

Mon 4/13

7:05 pm-3:30 am

1 stop25h 25m

Istanbul

Tue 4/28

6:00 am-11:27 pm

2 stops24h 27m

$539

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 4/28

5:45 pm-1:00 pm

1 stop12h 15m

Istanbul

Thu 5/7

1:55 pm-9:54 am

2 stops26h 59m

$554

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 4/28

5:45 pm-1:00 pm

1 stop12h 15m

Istanbul

Wed 5/13

1:55 pm-9:54 am

2 stops26h 59m

$554

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 4/13

5:45 pm-9:25 pm

1 stop20h 40m

Istanbul

Tue 4/28

1:55 pm-11:01 am

2 stops28h 06m

$556

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Wed 4/22

5:45 pm-9:25 pm

1 stop20h 40m

Istanbul

Thu 4/30

5:40 am-5:22 pm

2 stops18h 42m

$556

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 4/7

9:40 pm-9:15 pm

2 stops16h 35m

Istanbul

Thu 4/23

5:40 am-9:49 am

2 stops35h 09m

$557

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 5/4

3:32 pm-9:25 pm

2 stops22h 53m

Istanbul

Wed 5/13

1:55 pm-9:54 am

2 stops26h 59m

$559

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 3/17

12:07 pm-10:45 pm

3 stops27h 38m

Istanbul

Tue 3/24

6:30 am-11:57 pm

2 stops24h 27m

$561

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Tue 4/21

8:05 pm-9:15 pm

2 stops18h 10m

Istanbul

Thu 5/7

1:55 pm-9:27 pm

2 stops38h 32m

$581

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Mon 3/23

5:15 pm-3:50 am

2 stops27h 35m

Istanbul

Mon 5/4

6:00 am-1:10 pm

1 stop14h 10m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 40 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 February 20, 2026.

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 $670). 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 February 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.

How often are flights from Boston to Istanbul delayed?

About 26% of weekly flights between Boston and Istanbul have experienced delays in the past year, with the average delay time being 139 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 26% 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 February 21, 2026.
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
1,457 reviews

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
7.7
Good
1,457 reviews
KLM
7.7
Good
1,457 reviews

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
7.3
Good
4,224 reviews
KLM
7.7
Good
1,457 reviews

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
2,898 reviews
KLM
7.7
Good
1,457 reviews

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
7,794 reviews
KLM
7.7
Good
1,457 reviews

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
7,756 reviews
KLM
7.7
Good
1,457 reviews

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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 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 15m. Boston and Istanbul are separated by a distance of 4797 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 ($433), and Delta ($547) offers the cheapest pricing from Boston to Istanbul. Icelandair is 56% 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 $357 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 (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 $343. While the most popular route (Boston Logan Intl - Istanbul) can be booked for $557 on average, our data indicates $1,756 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 Konstablerwache. Römerberg, Oper Frankfurt, and Konstablerwache are located about 7.4 mi, 7.0 mi, and 7.7 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 $48.

  • 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 $374). Flying from Boston to Istanbul in May is currently the most expensive (average of $670). 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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$415FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$433Average$748FlexibilityNo cancel feeOn-time70%
DeltaCheapest$547Average$974FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$559Average$693FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$560Average$1,046FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$587Average$1,110FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$588Average$743FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$593Average$712FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$598Average$871FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$707Average$765FlexibilityNo cancel feeOn-time68%

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