$475+ Cheap flights from St. Louis (STL) 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IST
Aug 23 — Aug 301
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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
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Cheapest flights from St. Louis to IstanbulExplore the most affordable flight options available from St. Louis to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
Explore the most affordable flight options available from St. Louis to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:29 pm
STL
- IST
2 stops28h 36m
Lufthansa
Mon 11/24:45 am
IST
- STL
2 stops25h 28m
Lufthansa
Deal found 7/21![Lufthansa logo]()
$839
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:20 pm
STL
- IST
2 stops20h 40m
Lufthansa
Mon 11/24:45 am
IST
- STL
2 stops25h 28m
Lufthansa
Deal found 7/21![Lufthansa logo]()
$849
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:29 pm
STL
- IST
2 stops28h 36m
Lufthansa
Mon 11/27:05 pm
IST
- STL
2 stops35h 08m
Lufthansa
Deal found 7/21![Lufthansa logo]()
$859
This oojo deal was found by Cheapflights users on 7/19. 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 8/256:54 pm
STL
- IST
2 stops23h 11m
Lufthansa
Tue 9/83:45 am
IST
- STL
2 stops19h 53m
Lufthansa
Deal found 7/19![Lufthansa logo]()
$863
This oojo deal was found by Cheapflights users on 7/23. 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 8/261:00 pm
STL
- IST
2 stops19h 55m
Lufthansa
Wed 9/91:55 pm
IST
- STL
2 stops17h 04m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$868
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:29 pm
STL
- IST
2 stops24h 06m
Lufthansa
Mon 11/27:05 pm
IST
- STL
2 stops35h 08m
Lufthansa
Deal found 7/21![Lufthansa logo]()
$869
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:01 pm
STL
- IST
2 stops42h 34m
Lufthansa
Tue 11/37:05 pm
IST
- STL
1 stop27h 40m
Lufthansa
Deal found 7/21![Lufthansa logo]()
$870
This KAYAK deal was found by Cheapflights users on 7/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:01 pm
STL
- IST
2 stops33h 59m
Lufthansa
Mon 11/27:05 pm
IST
- STL
2 stops35h 08m
Lufthansa
Deal found 7/21![Lufthansa logo]()
$875
This KLM deal was found by Cheapflights users on 7/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:28 pm
STL
- SAW
2 stops19h 32m
KLM
Sun 11/19:00 am
SAW
- STL
2 stops23h 48m
KLM
Deal found 7/21![KLM logo]()
$972
This KLM deal was found by Cheapflights users on 7/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:00 pm
STL
- SAW
2 stops19h 05m
KLM
Fri 10/309:00 am
SAW
- STL
2 stops22h 48m
KLM
Deal found 7/21![KLM logo]()
$979
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:20 pm
STL
- SAW
2 stops18h 40m
KLM
Tue 9/298:50 am
SAW
- STL
2 stops19h 45m
KLM
Deal found 7/20![KLM logo]()
$996
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:39 pm
STL
- SAW
2 stops17h 26m
KLM
Wed 9/98:50 am
SAW
- STL
2 stops19h 45m
KLM
Deal found 7/20![KLM logo]()
$999
Best flights from St. Louis to IstanbulDiscover carefully curated flight deals from St. Louis to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
Discover carefully curated flight deals from St. Louis to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 24, 2026.
This FlightHub deal was found by Cheapflights users on 7/24. 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 10/177:01 pm
STL
- IST
2 stops42h 34m
Lufthansa
Sat 10/317:05 pm
IST
- STL
2 stops35h 35m
Lufthansa
Deal found 7/24![Lufthansa logo]()
$912
This United Airlines deal was found by Cheapflights users on 7/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:30 pm
STL
- IST
1 stop21h 55m
United Airlines
Wed 9/95:40 am
IST
- STL
1 stop15h 45m
United Airlines
Deal found 7/19![United Airlines logo]()
$916
This KLM deal was found by Cheapflights users on 7/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:28 pm
STL
- SAW
2 stops19h 32m
KLM
Sun 11/19:00 am
SAW
- STL
2 stops23h 48m
KLM
Deal found 7/21![KLM logo]()
$972
This KLM deal was found by Cheapflights users on 7/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:34 pm
STL
- IST
2 stops14h 46m
Multiple Airlines
Thu 9/104:25 am
IST
- STL
2 stops20h 22m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,067
This Qatar Airways deal was found by Cheapflights users on 7/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/69:46 am
STL
- IST
2 stops36h 34m
Qatar Airways
Thu 9/108:05 pm
IST
- STL
2 stops29h 59m
Qatar Airways
Deal found 7/19![Qatar Airways logo]()
$1,104
This Turkish Airlines deal was found by Cheapflights users on 7/21. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:00 am
STL
- IST
1 stop22h 50m
Turkish Airlines
Sat 10/317:35 am
IST
- STL
1 stop16h 06m
Turkish Airlines
Deal found 7/21![Turkish Airlines logo]()
$1,206
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:20 pm
STL
- SAW
2 stops18h 40m
KLM
Tue 9/298:50 am
SAW
- STL
2 stops19h 45m
KLM
Deal found 7/20![KLM logo]()
$996
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 9/73:30 pm
STL
- IST
1 stop21h 55m
United Airlines
Mon 9/145:50 am
IST
- STL
1 stop15h 35m
United Airlines
Deal found 7/24![United Airlines logo]()
$1,016
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:39 pm
STL
- SAW
2 stops17h 26m
KLM
Wed 9/98:50 am
SAW
- STL
2 stops19h 45m
KLM
Deal found 7/20![KLM logo]()
$999
This Etihad Airways deal was found by Cheapflights users on 7/22. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:31 am
STL
- IST
2 stops43h 04m
Multiple Airlines
Fri 9/111:50 pm
IST
- STL
2 stops42h 37m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,107
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 8/128:50 am
STL
- IST
2 stops20h 10m
United Airlines
Sun 8/231:55 pm
IST
- STL
2 stops51h 44m
United Airlines
Deal found 7/24![United Airlines logo]()
$1,107
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:47 pm
STL
- SAW
2 stops19h 13m
KLM
Sat 10/319:00 am
SAW
- STL
2 stops19h 41m
KLM
Deal found 7/20![KLM logo]()
$1,007
This KLM deal was found by Cheapflights users on 7/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:28 pm
STL
- SAW
2 stops19h 32m
KLM
Sun 11/19:00 am
SAW
- STL
2 stops23h 48m
KLM
Deal found 7/21![KLM logo]()
$1,007
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am
STL
- IST
2 stops30h 25m
United Airlines
Fri 9/115:40 am
IST
- STL
1 stop15h 45m
United Airlines
Deal found 7/21![United Airlines logo]()
$1,170
This KLM deal was found by Cheapflights users on 7/24. 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 10/172:25 pm
STL
- SAW
2 stops18h 40m
KLM
Sat 10/319:00 am
SAW
- STL
2 stops22h 26m
KLM
Deal found 7/24![KLM logo]()
$1,011
Last-minute flights from St. Louis to IstanbulDiscover last-minute flight deals from St. Louis to Istanbul. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Istanbul. Data last updated July 24, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/24. 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.
Wed 8/512:10 pm
STL
- SAW
2 stops24h 15m
Multiple Airlines
Mon 8/249:15 am
SAW
- STL
2 stops19h 09m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,156
This KLM deal was found by Cheapflights users on 7/23. 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 8/143:39 pm
STL
- SAW
2 stops17h 26m
KLM
Wed 9/28:50 am
SAW
- STL
2 stops19h 52m
KLM
Deal found 7/23![KLM logo]()
$1,206
This KAYAK deal was found by Cheapflights users on 7/23. 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.
Fri 8/142:40 pm
STL
- SAW
2 stops16h 50m
Multiple Airlines
Wed 9/29:20 am
SAW
- STL
2 stops19h 02m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$1,280
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Tue 8/183:30 pm
STL
- IST
1 stop13h 30m
Lufthansa
Tue 8/255:50 pm
IST
- STL
1 stop27h 35m
Lufthansa
Deal found 7/19![Lufthansa logo]()
$878
This Gotogate deal was found by Cheapflights users on 7/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:10 pm
STL
- IST
2 stops16h 50m
Multiple Airlines
Tue 8/255:50 pm
IST
- STL
1 stop27h 35m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$889
This Orbitz deal was found by Cheapflights users on 7/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:40 pm
STL
- SAW
2 stops18h 05m
Multiple Airlines
Tue 8/2511:45 pm
SAW
- STL
2 stops26h 57m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,040
This KLM deal was found by Cheapflights users on 7/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:34 pm
STL
- SAW
2 stops19h 26m
KLM
Mon 9/218:50 am
SAW
- STL
2 stops22h 52m
KLM
Deal found 7/19![KLM logo]()
$1,082
This Expedia deal was found by Cheapflights users on 7/22. 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.
Fri 8/2112:10 pm
STL
- SAW
2 stops20h 15m
Multiple Airlines
Sat 9/129:15 am
SAW
- STL
2 stops19h 05m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,191
This oojo deal was found by Cheapflights users on 7/19. 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 8/256:54 pm
STL
- IST
2 stops23h 11m
Lufthansa
Tue 9/83:45 am
IST
- STL
2 stops19h 53m
Lufthansa
Deal found 7/19![Lufthansa logo]()
$863
This oojo deal was found by Cheapflights users on 7/23. 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 8/261:00 pm
STL
- IST
2 stops19h 55m
Lufthansa
Wed 9/91:55 pm
IST
- STL
2 stops17h 04m
Lufthansa
Deal found 7/23![Lufthansa logo]()
$868
This KLM deal was found by Cheapflights users on 7/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:39 pm
STL
- SAW
2 stops17h 26m
KLM
Wed 9/98:50 am
SAW
- STL
2 stops19h 45m
KLM
Deal found 7/20![KLM logo]()
$999
This Orbitz deal was found by Cheapflights users on 7/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:55 am
STL
- SAW
2 stops26h 10m
Multiple Airlines
Wed 9/92:40 pm
SAW
- STL
2 stops36h 01m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,054
One-way flights from St. Louis to IstanbulSearch for one-way flight options from St. Louis to Istanbul. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
Search for one-way flight options from St. Louis to Istanbul. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/46:34 pm
STL
- IST
3 stops40h 56m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:09 pm
STL
- IST
3 stops53h 21m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/74:09 pm
STL
- SAW
3 stops47h 46m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/46:34 pm
STL
- SAW
3 stops42h 41m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/54:57 pm
STL
- IST
3 stops42h 33m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/54:57 pm
STL
- SAW
3 stops44h 18m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/24:09 pm
STL
- IST
3 stops53h 21m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/64:09 pm
STL
- SAW
3 stops54h 51m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$576
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 7/284:09 pm
STL
- SAW
3 stops54h 51m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$579
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 7/284:09 pm
STL
- IST
3 stops53h 21m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 7/314:09 pm
STL
- IST
3 stops53h 21m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/14:09 pm
STL
- SAW
3 stops56h 06m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$591
Find flight deals from St. Louis to Istanbul
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 July 24, 2026.
Round-trip from | $839 (KAYAK) |
|---|---|
One-way from | $475 (Kiwi.com) |
Popular in | June |
Cheapest in | December |
Average price | $1,110 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 July 24, 2026.
Use the filters below to find and compare flights from St. Louis to Istanbul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Sat 10/17
7:01 pm-9:35 pm
2 stops42h 34m
Istanbul
Sat 10/31
7:05 pm-10:40 pm
2 stops35h 35m
$912
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Wed 8/26
3:30 pm-9:25 pm
1 stop21h 55m
Istanbul
Wed 9/9
5:40 am-1:25 pm
1 stop15h 45m
$916
St. LouisIstanbul
STL - SAW
STLSAW
Lambert-St Louis
Sun 10/18
5:28 pm-9:00 pm
2 stops19h 32m
Istanbul Sabiha Gokcen
Sun 11/1
9:00 am-12:48 am
2 stops23h 48m
$972
St. LouisIstanbul
STL - SAW
STLSAW
Lambert-St Louis
Mon 9/21
6:20 pm-9:00 pm
2 stops18h 40m
Istanbul Sabiha Gokcen
Tue 9/29
8:50 am-8:35 pm
2 stops19h 45m
$996
St. LouisIstanbul
STL - SAW
STLSAW
Lambert-St Louis
Wed 8/26
3:39 pm-5:05 pm
2 stops17h 26m
Istanbul Sabiha Gokcen
Wed 9/9
8:50 am-8:35 pm
2 stops19h 45m
$999
St. LouisIstanbul
STL - SAW
STLSAW
Lambert-St Louis
Sat 10/3
5:47 pm-9:00 pm
2 stops19h 13m
Istanbul Sabiha Gokcen
Sat 10/31
9:00 am-8:41 pm
2 stops19h 41m
$1,007
St. LouisIstanbul
STL - SAW
STLSAW
Lambert-St Louis
Fri 10/16
5:28 pm-9:00 pm
2 stops19h 32m
Istanbul Sabiha Gokcen
Sun 11/1
9:00 am-12:48 am
2 stops23h 48m
$1,007
St. LouisIstanbul
STL - SAW
STLSAW
Lambert-St Louis
Sat 10/17
2:25 pm-5:05 pm
2 stops18h 40m
Istanbul Sabiha Gokcen
Sat 10/31
9:00 am-11:26 pm
2 stops22h 26m
$1,011
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Mon 9/7
3:30 pm-9:25 pm
1 stop21h 55m
Istanbul
Mon 9/14
5:50 am-1:25 pm
1 stop15h 35m
$1,016
Quickest round-trip
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Mon 9/7
5:34 pm-4:20 pm
2 stops14h 46m
Istanbul
Thu 9/10
4:25 am-4:47 pm
2 stops20h 22m
$1,067
Showing 1-10 of 37 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Istanbul
Have a flexible travel schedule? Discover the best time to fly to Istanbul from St. Louis with our price prediction graph.
STL-TR5
STL-IST
STL-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 St. Louis to Istanbul
STL-TR5
STL-IST
STL-SAW
What is the cheapest month to book a flight from St. Louis to Istanbul?
Currently, December is the cheapest month in which you can book a flight from St. Louis to Istanbul (average of $597). Flying from St. Louis to Istanbul in June is currently the most expensive (average of $1,357). 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.
How much does it cost to fly round-trip from St. Louis to Istanbul?
Airfare is typical for this route at the moment.
St. Louis to Istanbul flights typically cost between $819 and $1,124 in October.The cheapest round-trip price found within the last 5 days was $839 on Lufthansa (Oct 14-Nov 2).
How far ahead should I book a flight from St. Louis to Istanbul?
The price you pay for your flight from St. Louis to Istanbul may vary depending on when you book. For the best chance of a lower fare, look to book 19 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 July 24, 2026.
See what other customers who have flown with KLM,Delta, andTurkish Airlines from St. Louis to Istanbul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Overall
7.8
Crew
8.4
Boarding
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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St. Louis and Istanbul flights
Browse other St. Louis and Istanbul flight options. Last updated on July 24, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from St. Louis to Istanbul
Discover the top 6 airlines that operate flights from St. Louis 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$576 | Average$872 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$585 | Average$1,003 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$589 | Average$930 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$617 | Average$968 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$633 | Average$1,074 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$866 | Average$1,321 | FlexibilityNo cancel fee | On-time77% |