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$394+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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

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 January 8, 2026.

Round-trip from

$602
(Iberia)

One-way from

$394
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$749
From Boston Logan Intl to Istanbul
Search Deals
One-way flight from Boston Logan Intl to Istanbul
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Highest demand for flights based on searches. 17% potential increase in price ($181 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This Iberia deal was found by Cheapflights users on 1/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:20 pmBOS - SAW
1 stop15h 45mIberia
Wed 3/49:15 amSAW - BOS
1 stop18h 35mIberia
Deal found 1/7$602
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/29:15 pmBOS - SAW
1 stop14h 00mMultiple Airlines
Sun 2/159:15 pmSAW - BOS
2 stops31h 40mMultiple Airlines
Deal found 1/7$603
This IEagle deal was found by Cheapflights users on 1/7. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/19:50 pmBOS - IST
Nonstop9h 20mTurkish Airlines
Thu 4/94:40 pmIST - BOS
Nonstop10h 15mTurkish Airlines
Deal found 1/7$603
This IEagle deal was found by Cheapflights users on 1/7. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:00 pmBOS - IST
Nonstop9h 25mTurkish Airlines
Wed 3/43:35 pmIST - BOS
Nonstop10h 30mTurkish Airlines
Deal found 1/7$604
This KLM deal was found by Cheapflights users on 1/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/227:10 pmBOS - IST
1 stop13h 45mKLM
Sat 3/145:55 pmIST - BOS
1 stop33h 00mKLM
Deal found 1/6$605
This oojo deal was found by Cheapflights users on 1/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/77:30 amBOS - IST
1 stop25h 55mBritish Airways
Sat 2/146:40 pmIST - BOS
1 stop27h 40mBritish Airways
Deal found 1/8$606
This Delta deal was found by Cheapflights users on 1/7. 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.
Fri 2/278:35 pmBOS - IST
1 stop23h 15mDelta
Sat 3/74:50 amIST - BOS
2 stops27h 23mDelta
Deal found 1/7$607
This KLM deal was found by Cheapflights users on 1/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:30 pmBOS - SAW
2 stops14h 55mKLM
Sat 2/281:00 pmSAW - BOS
2 stops32h 40mKLM
Deal found 1/6$608
This KAYAK deal was found by Cheapflights users on 1/7. 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.
Thu 1/222:20 pmBOS - IST
2 stops24h 25mLufthansa
Mon 3/167:00 pmIST - BOS
2 stops31h 35mLufthansa
Deal found 1/7$608
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 1/127:50 pmBOS - SAW
2 stops18h 45mMultiple Airlines
Thu 2/510:05 amSAW - BOS
1 stop18h 50mMultiple Airlines
Deal found 1/7$609
This British Airways deal was found by Cheapflights users on 1/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2110:35 pmBOS - IST
1 stop11h 50mBritish Airways
Sun 5/36:50 pmIST - BOS
1 stop29h 10mBritish Airways
Deal found 1/7$609
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 4/88:05 pmBOS - SAW
2 stops15h 10mMultiple Airlines
Wed 4/2912:30 pmSAW - BOS
1 stop15h 35mMultiple Airlines
Deal found 1/7$610

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 January 8, 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

Fri 1/23

7:30 am-1:55 pm

1 stop22h 25m

Istanbul

Sun 3/22

6:40 pm-10:55 pm

1 stop35h 15m

$609

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Mon 3/9

5:15 pm-5:25 pm

2 stops17h 10m

Istanbul Sabiha Gokcen

Mon 3/23

12:55 pm-1:25 pm

2 stops31h 30m

$612

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Fri 2/6

4:58 pm-5:25 pm

2 stops16h 27m

Istanbul Sabiha Gokcen

Sun 2/15

4:00 pm-12:30 pm

2 stops28h 30m

$612

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 1/15

3:35 pm-5:30 pm

2 stops17h 55m

Istanbul

Mon 1/19

6:40 pm-11:44 pm

2 stops37h 04m

$612

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Sun 3/8

9:50 pm-5:25 pm

1 stop12h 35m

Istanbul Sabiha Gokcen

Sun 3/22

4:00 pm-1:25 pm

2 stops28h 25m

$612

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Wed 4/1

4:35 pm-5:05 pm

1 stop17h 30m

Istanbul Sabiha Gokcen

Sat 4/11

8:50 am-1:13 pm

1 stop35h 23m

$613

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Tue 2/10

6:30 pm-5:25 pm

2 stops14h 55m

Istanbul Sabiha Gokcen

Mon 2/16

12:55 pm-1:25 pm

1 stop32h 30m

$620

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Tue 2/10

6:30 pm-5:25 pm

2 stops14h 55m

Istanbul Sabiha Gokcen

Tue 2/17

12:55 pm-1:25 pm

1 stop32h 30m

$620

BostonIstanbul

BOS - SAW

BOSSAW

Boston Logan Intl

Tue 2/10

6:30 pm-5:25 pm

2 stops14h 55m

Istanbul Sabiha Gokcen

Wed 2/18

12:55 pm-1:25 pm

1 stop32h 30m

$620

BostonIstanbul

BOS - IST

BOSIST

Boston Logan Intl

Thu 1/22

10:15 am-10:45 pm

2 stops28h 30m

Istanbul

Sat 3/14

6:30 am-7:12 pm

2 stops19h 42m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 33 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 January 2, 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 $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 January 8, 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 January 8, 2026.

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).

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 148 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 January 8, 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
1,434 reviews

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

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
1,434 reviews
KLM
7.7
Good
1,434 reviews

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

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
4,150 reviews
KLM
7.7
Good
1,434 reviews

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

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
2,894 reviews
KLM
7.7
Good
1,434 reviews

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

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
7,692 reviews
KLM
7.7
Good
1,434 reviews

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

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
7,657 reviews
KLM
7.7
Good
1,434 reviews

Crew

8.4

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

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 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 17h 10m. 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 ($433), and Delta ($547) offers the cheapest pricing from Boston to Istanbul. Icelandair is 57% 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 Turkish Airlines from $390 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 (47%), JetBlue (47%), Turkish Airlines( 47%).

  • What are the cheapest flights from Boston to Istanbul?

    Looking at all options, your cheapest flight can be booked for $364. While the most popular route (Boston Logan Intl - Istanbul) can be booked for $405 on average, our data indicates $1,596 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, Konstablerwache, and Festhalle. Römerberg, Konstablerwache, and Festhalle are located about 7.4 mi, 7.7 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 $46.

  • 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 $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

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$372Average$416FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$433Average$762FlexibilityNo cancel feeOn-time70%
DeltaCheapest$547Average$967FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$563Average$697FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$588Average$709FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$589Average$1,068FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$592Average$1,111FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$593Average$712FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$621Average$889FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$692Average$786FlexibilityNo cancel feeOn-time68%

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