$273+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IST
May 9 — May 161
Round-trip
1 adult, Economy
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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 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
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Best
Last-minute
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Cheapest flights from Boston to IstanbulExplore 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 9, 2026.
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 9, 2026.
This FlightHub deal was found by Cheapflights users on 4/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 pm
BOS
- IST
Nonstop9h 25m
Turkish Airlines
Tue 12/153:35 pm
IST
- BOS
Nonstop10h 30m
Turkish Airlines
Deal found 4/7![Turkish Airlines logo]()
$651
This FlightHub deal was found by Cheapflights users on 4/5. 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 10/219:50 pm
BOS
- IST
Nonstop9h 20m
Turkish Airlines
Fri 10/303:35 pm
IST
- BOS
Nonstop10h 30m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$654
This FlightHub deal was found by Cheapflights users on 4/5. 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.
Thu 7/309:50 pm
BOS
- IST
Nonstop9h 20m
Turkish Airlines
Thu 10/14:40 pm
IST
- BOS
Nonstop10h 15m
Turkish Airlines
Deal found 4/5![Turkish Airlines logo]()
$669
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/275:40 pm
BOS
- IST
1 stop27h 00m
Scandinavian Airlines
Thu 5/74:30 am
IST
- BOS
1 stop18h 05m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:40 pm
BOS
- IST
1 stop27h 00m
Scandinavian Airlines
Tue 9/84:30 am
IST
- BOS
1 stop18h 05m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$685
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:00 pm
BOS
- IST
Nonstop9h 25m
Turkish Airlines
Mon 11/233:35 pm
IST
- BOS
Nonstop10h 30m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$689
This oojo deal was found by Cheapflights users on 4/4. 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.
Wed 10/289:00 pm
BOS
- IST
Nonstop9h 25m
Turkish Airlines
Mon 11/93:35 pm
IST
- BOS
Nonstop10h 30m
Turkish Airlines
Deal found 4/4![Turkish Airlines logo]()
$690
This oojo deal was found by Cheapflights users on 4/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 pm
BOS
- IST
Nonstop9h 25m
Turkish Airlines
Sat 11/283:35 pm
IST
- BOS
Nonstop10h 30m
Turkish Airlines
Deal found 4/6![Turkish Airlines logo]()
$707
This oojo deal was found by Cheapflights users on 4/8. 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 8/295:40 pm
BOS
- IST
1 stop27h 00m
Scandinavian Airlines
Sat 9/54:30 am
IST
- BOS
1 stop18h 05m
Scandinavian Airlines
Deal found 4/8![Scandinavian Airlines logo]()
$708
This FlightHub deal was found by Cheapflights users on 4/4. 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.
Mon 4/275:40 pm
BOS
- IST
1 stop27h 00m
Scandinavian Airlines
Sat 5/94:30 am
IST
- BOS
1 stop18h 05m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$713
This KLM deal was found by Cheapflights users on 4/5. 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 4/124:35 pm
BOS
- SAW
1 stop17h 30m
KLM
Thu 5/148:50 am
SAW
- BOS
1 stop35h 26m
KLM
Deal found 4/5![KLM logo]()
$742
This Expedia deal was found by Cheapflights users on 4/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:50 pm
BOS
- SAW
1 stop15h 15m
KLM
Thu 5/148:50 am
SAW
- BOS
1 stop14h 35m
KLM
Deal found 4/5![KLM logo]()
$748
Best flights from Boston to IstanbulDiscover carefully curated flight deals from Boston to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
Discover carefully curated flight deals from Boston to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 9, 2026.
This Delta deal was found by Cheapflights users on 4/5. 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 5/48:59 pm
BOS
- IST
2 stops23h 31m
Delta
Mon 5/115:20 pm
IST
- BOS
1 stop30h 05m
Delta
Deal found 4/5![Delta logo]()
$738
This KLM deal was found by Cheapflights users on 4/4. 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 4/284:35 pm
BOS
- IST
1 stop25h 45m
Multiple Airlines
Thu 5/74:25 am
IST
- BOS
1 stop16h 00m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$740
This KLM deal was found by Cheapflights users on 4/6. 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.
Wed 5/68:25 pm
BOS
- SAW
1 stop17h 35m
KLM
Wed 5/132:40 pm
SAW
- BOS
1 stop29h 36m
KLM
Deal found 4/6![KLM logo]()
$742
This LEVEL deal was found by Cheapflights users on 4/6. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:50 pm
BOS
- IST
1 stop14h 40m
LEVEL
Sat 5/92:05 pm
IST
- BOS
1 stop14h 00m
LEVEL
Deal found 4/6![LEVEL logo]()
$960
This KLM deal was found by Cheapflights users on 4/5. 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 5/54:35 pm
BOS
- SAW
1 stop23h 20m
KLM
Tue 5/128:50 am
SAW
- BOS
1 stop35h 26m
KLM
Deal found 4/5![KLM logo]()
$742
This Delta deal was found by Cheapflights users on 4/5. 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 5/57:00 pm
BOS
- IST
1 stop25h 30m
Delta
Tue 5/124:25 am
IST
- BOS
2 stops21h 44m
Delta
Deal found 4/5![Delta logo]()
$756
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:50 pm
BOS
- IST
1 stop23h 30m
Multiple Airlines
Wed 5/204:25 am
IST
- BOS
1 stop16h 00m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$790
This KLM deal was found by Cheapflights users on 4/4. 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.
Mon 5/46:50 pm
BOS
- SAW
1 stop19h 10m
KLM
Mon 5/112:40 pm
SAW
- BOS
1 stop29h 36m
KLM
Deal found 4/4![KLM logo]()
$742
This KLM deal was found by Cheapflights users on 4/4. 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.
Sat 5/26:50 pm
BOS
- IST
1 stop23h 30m
Multiple Airlines
Sun 5/104:25 am
IST
- BOS
1 stop16h 00m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$810
This KLM deal was found by Cheapflights users on 4/4. 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.
Mon 4/278:25 pm
BOS
- SAW
1 stop13h 40m
KLM
Thu 5/78:50 am
SAW
- BOS
1 stop14h 35m
KLM
Deal found 4/4![KLM logo]()
$742
This LEVEL deal was found by Cheapflights users on 4/8. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:50 pm
BOS
- IST
1 stop15h 35m
LEVEL
Wed 5/2710:20 pm
IST
- BOS
1 stop29h 45m
LEVEL
Deal found 4/8![LEVEL logo]()
$990
This KLM deal was found by Cheapflights users on 4/6. 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.
Wed 4/228:25 pm
BOS
- IST
1 stop12h 55m
KLM
Tue 4/285:20 pm
IST
- BOS
1 stop32h 10m
KLM
Deal found 4/6![KLM logo]()
$748
This Delta deal was found by Cheapflights users on 4/4. 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 5/121:29 pm
BOS
- IST
2 stops19h 51m
Delta
Tue 5/196:00 am
IST
- BOS
1 stop17h 25m
Delta
Deal found 4/4![Delta logo]()
$968
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:50 pm
BOS
- IST
1 stop23h 30m
KLM
Mon 5/185:20 pm
IST
- BOS
1 stop26h 50m
KLM
Deal found 4/7![KLM logo]()
$798
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:30 pm
BOS
- SAW
2 stops16h 30m
KLM
Wed 5/208:50 am
SAW
- BOS
2 stops21h 47m
KLM
Deal found 4/7![KLM logo]()
$824
This KLM deal was found by Cheapflights users on 4/8. 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.
Thu 5/76:50 pm
BOS
- SAW
1 stop19h 10m
KLM
Thu 5/148:50 am
SAW
- BOS
2 stops29h 32m
KLM
Deal found 4/8![KLM logo]()
$837
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:45 pm
BOS
- IST
1 stop22h 45m
KLM
Mon 5/115:20 pm
IST
- BOS
1 stop26h 56m
KLM
Deal found 4/7![KLM logo]()
$839
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:35 pm
BOS
- SAW
1 stop17h 30m
KLM
Sat 5/28:50 am
SAW
- BOS
1 stop35h 20m
KLM
Deal found 4/7![KLM logo]()
$862
This KLM deal was found by Cheapflights users on 4/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/183:25 pm
BOS
- SAW
2 stops42h 40m
KLM
Thu 4/308:50 am
SAW
- BOS
2 stops29h 39m
KLM
Deal found 4/7![KLM logo]()
$871
This KLM deal was found by Cheapflights users on 4/6. 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 4/307:00 pm
BOS
- SAW
2 stops15h 05m
KLM
Mon 5/118:50 am
SAW
- BOS
1 stop35h 26m
KLM
Deal found 4/6![KLM logo]()
$876
This KLM deal was found by Cheapflights users on 4/4. 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.
Fri 5/14:35 pm
BOS
- SAW
1 stop21h 25m
KLM
Fri 5/298:50 am
SAW
- BOS
1 stop14h 35m
KLM
Deal found 4/4![KLM logo]()
$892
This KLM deal was found by Cheapflights users on 4/8. 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.
Sun 5/178:25 pm
BOS
- IST
1 stop21h 55m
KLM
Sun 5/315:20 pm
IST
- BOS
1 stop26h 45m
KLM
Deal found 4/8![KLM logo]()
$1,018
Last-minute flights from Boston to IstanbulDiscover last-minute flight deals from Boston to Istanbul. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Istanbul. Data last updated April 9, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 4/4. 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 4/128:25 pm
BOS
- IST
1 stop21h 55m
Multiple Airlines
Wed 5/134:25 am
IST
- BOS
1 stop16h 00m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$740
This KLM deal was found by Cheapflights users on 4/5. 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 4/124:35 pm
BOS
- SAW
1 stop21h 25m
KLM
Wed 5/138:50 am
SAW
- BOS
1 stop16h 40m
KLM
Deal found 4/5![KLM logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/275:40 pm
BOS
- IST
1 stop27h 00m
Scandinavian Airlines
Thu 5/74:30 am
IST
- BOS
1 stop18h 05m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$684
This FlightHub deal was found by Cheapflights users on 4/4. 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.
Mon 4/275:40 pm
BOS
- IST
1 stop27h 00m
Scandinavian Airlines
Sat 5/94:30 am
IST
- BOS
1 stop18h 05m
Scandinavian Airlines
Deal found 4/4![Scandinavian Airlines logo]()
$713
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/275:40 pm
BOS
- IST
1 stop27h 00m
Scandinavian Airlines
Tue 5/54:30 am
IST
- BOS
1 stop18h 05m
Scandinavian Airlines
Deal found 4/5![Scandinavian Airlines logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/275:40 pm
BOS
- IST
1 stop27h 00m
Scandinavian Airlines
Sat 5/24:30 am
IST
- BOS
1 stop18h 05m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/275:40 pm
BOS
- IST
1 stop27h 00m
Scandinavian Airlines
Mon 5/114:30 am
IST
- BOS
1 stop18h 05m
Scandinavian Airlines
Deal found 4/7![Scandinavian Airlines logo]()
$745
This Delta deal was found by Cheapflights users on 4/4. 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.
Sun 5/38:59 pm
BOS
- IST
2 stops23h 31m
Delta
Mon 5/115:20 pm
IST
- BOS
1 stop26h 56m
Delta
Deal found 4/4![Delta logo]()
$738
This LEVEL deal was found by Cheapflights users on 4/4. 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 5/610:50 pm
BOS
- IST
1 stop14h 35m
LEVEL
Wed 5/2010:20 pm
IST
- BOS
1 stop29h 45m
LEVEL
Deal found 4/4![LEVEL logo]()
$722
This LEVEL deal was found by Cheapflights users on 4/8. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:50 pm
BOS
- IST
1 stop14h 35m
LEVEL
Wed 5/1310:20 pm
IST
- BOS
1 stop29h 45m
LEVEL
Deal found 4/8![LEVEL logo]()
$728
This Iberia deal was found by Cheapflights users on 4/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:50 pm
BOS
- IST
1 stop14h 40m
Multiple Airlines
Wed 5/132:50 pm
IST
- BOS
1 stop14h 45m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$730
This Expedia deal was found by Cheapflights users on 4/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:50 pm
BOS
- SAW
1 stop15h 15m
KLM
Thu 5/148:50 am
SAW
- BOS
1 stop14h 35m
KLM
Deal found 4/5![KLM logo]()
$748
One-way flights from Boston to IstanbulSearch for one-way flight options from Boston to Istanbul. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
Search for one-way flight options from Boston to Istanbul. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:50 pm
BOS
- SAW
3 stops37h 50m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$273
This Trip.com deal was found by Cheapflights users on 4/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:50 pm
BOS
- SAW
2 stops15h 45m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sat 4/2511:00 pm
BOS
- SAW
3 stops48h 05m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/64:35 pm
BOS
- SAW
3 stops45h 55m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2011:00 pm
BOS
- IST
3 stops37h 30m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:50 pm
BOS
- SAW
2 stops39h 45m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sat 4/258:50 pm
BOS
- IST
3 stops39h 40m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 4/5. 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.
Fri 4/2411:00 pm
BOS
- SAW
3 stops48h 35m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/64:35 pm
BOS
- IST
3 stops43h 55m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/128:50 pm
BOS
- SAW
3 stops38h 30m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/128:50 pm
BOS
- IST
3 stops43h 05m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 4/138:50 pm
BOS
- SAW
3 stops40h 35m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$373
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 9, 2026.
Round-trip from | $669 (FlightHub) |
|---|---|
One-way from | $273 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $769 |
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 9, 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
Cheapest round-trip
BostonIstanbul
BOS - IST
BOSIST
Boston Logan Intl
Mon 5/4
8:59 pm-3:30 am
2 stops23h 31m
Istanbul
Mon 5/11
5:20 pm-4:25 pm
1 stop30h 05m
$738
BostonIstanbul
BOS - IST
BOSIST
Boston Logan Intl
Tue 4/28
4:35 pm-1:20 am
1 stop25h 45m
Istanbul
Thu 5/7
4:25 am-1:25 pm
1 stop16h 00m
$740
BostonIstanbul
BOS - SAW
BOSSAW
Boston Logan Intl
Wed 5/6
8:25 pm-9:00 pm
1 stop17h 35m
Istanbul Sabiha Gokcen
Wed 5/13
2:40 pm-1:16 pm
1 stop29h 36m
$742
BostonIstanbul
BOS - SAW
BOSSAW
Boston Logan Intl
Tue 5/5
4:35 pm-10:55 pm
1 stop23h 20m
Istanbul Sabiha Gokcen
Tue 5/12
8:50 am-1:16 pm
1 stop35h 26m
$742
BostonIstanbul
BOS - SAW
BOSSAW
Boston Logan Intl
Mon 5/4
6:50 pm-9:00 pm
1 stop19h 10m
Istanbul Sabiha Gokcen
Mon 5/11
2:40 pm-1:16 pm
1 stop29h 36m
$742
Quickest round-trip
BostonIstanbul
BOS - SAW
BOSSAW
Boston Logan Intl
Mon 4/27
8:25 pm-5:05 pm
1 stop13h 40m
Istanbul Sabiha Gokcen
Thu 5/7
8:50 am-4:25 pm
1 stop14h 35m
$742
BostonIstanbul
BOS - IST
BOSIST
Boston Logan Intl
Wed 4/22
8:25 pm-4:20 pm
1 stop12h 55m
Istanbul
Tue 4/28
5:20 pm-6:30 pm
1 stop32h 10m
$748
BostonIstanbul
BOS - IST
BOSIST
Boston Logan Intl
Tue 5/5
7:00 pm-3:30 am
1 stop25h 30m
Istanbul
Tue 5/12
4:25 am-7:09 pm
2 stops21h 44m
$756
BostonIstanbul
BOS - IST
BOSIST
Boston Logan Intl
Tue 5/5
6:50 pm-1:20 am
1 stop23h 30m
Istanbul
Wed 5/20
4:25 am-1:25 pm
1 stop16h 00m
$790
BostonIstanbul
BOS - IST
BOSIST
Boston Logan Intl
Tue 5/5
6:50 pm-1:20 am
1 stop23h 30m
Istanbul
Mon 5/18
5:20 pm-1:10 pm
1 stop26h 50m
$798
Showing 1-10 of 43 resultsSorted by cheapest first
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.
BOS-TR5
BOS-IST
BOS-SAW
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
BOS-TR5
BOS-IST
BOS-SAW
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 3, 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 $373). Flying from Boston to Istanbul in May is currently the most expensive (average of $659). 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 9, 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 9, 2026.
The most flights from BOS to TR5 are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 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 9, 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.
Food
7.3
Comfort
7.6
Entertainment
7.1
Crew
8.4
Boarding
7.8
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Comfort
7.6
Entertainment
7.1
Crew
8.4
Boarding
7.8
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Comfort
7.6
Entertainment
7.1
Crew
8.4
Boarding
7.8
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Comfort
7.6
Entertainment
7.1
Crew
8.4
Boarding
7.8
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Comfort
7.6
Entertainment
7.1
Crew
8.4
Boarding
7.8
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
Food
7.3
Comfort
7.6
Entertainment
7.1
Crew
8.4
Boarding
7.8
Overall
7.7
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2026
EZE - SCL
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.
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.
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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.
Complete your trip
Complete your trip to Istanbul by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Istanbul by cabin class
Find flights from Boston to Istanbul, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Istanbul flights
Browse other Boston and Istanbul flight options. Last updated on April 9, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on April 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$372 | Average$411 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$473 | Average$677 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$532 | Average$879 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$555 | Average$1,019 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$563 | Average$702 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$587 | Average$1,097 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$588 | Average$743 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$589 | Average$845 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$593 | Average$712 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$722 | Average$817 | FlexibilityNo cancel fee | On-time75% |