$465+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — IST
Jun 5 — Jun 121
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
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.Cheap flight deals from St. Louis to Istanbul
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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 May 6, 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/4. 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.
Mon 7/275:36 pm
STL
- IST
2 stops25h 54m
Delta
Wed 8/194:25 am
IST
- STL
2 stops27h 33m
Delta
Deal found 5/4![Delta logo]()
$640
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:10 pm
STL
- IST
2 stops25h 20m
Delta
Fri 7/176:00 am
IST
- STL
2 stops24h 15m
Delta
Deal found 5/6![Delta logo]()
$684
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 7/226:04 pm
STL
- IST
2 stops25h 26m
Delta
Wed 7/294:25 am
IST
- STL
2 stops27h 28m
Delta
Deal found 5/5![Delta logo]()
$685
This Delta deal was found by Cheapflights users on 5/4. 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.
Thu 7/306:58 pm
STL
- IST
2 stops24h 32m
Delta
Wed 8/194:25 am
IST
- STL
2 stops27h 33m
Delta
Deal found 5/4![Delta logo]()
$690
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 9/165:45 pm
STL
- IST
2 stops25h 45m
Delta
Tue 11/35:55 pm
IST
- STL
2 stops33h 06m
Delta
Deal found 5/5![Delta logo]()
$694
This Delta deal was found by Cheapflights users on 5/4. 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 7/263:57 pm
STL
- IST
2 stops27h 33m
Delta
Wed 8/194:25 am
IST
- STL
2 stops27h 33m
Delta
Deal found 5/4![Delta logo]()
$695
This Delta deal was found by Cheapflights users on 5/2. 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 9/13:42 pm
STL
- IST
2 stops27h 48m
Delta
Tue 9/156:00 am
IST
- STL
2 stops18h 49m
Delta
Deal found 5/2![Delta logo]()
$707
This Delta deal was found by Cheapflights users on 5/4. 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.
Sat 7/256:00 am
STL
- IST
2 stops26h 20m
Delta
Wed 8/194:25 am
IST
- STL
2 stops27h 33m
Delta
Deal found 5/4![Delta logo]()
$754
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:10 pm
STL
- IST
2 stops25h 20m
Delta
Mon 7/136:00 am
IST
- STL
2 stops25h 53m
Delta
Deal found 5/6![Delta logo]()
$759
This Gotogate deal was found by Cheapflights users on 5/1. 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.
Sun 11/13:50 pm
STL
- IST
1 stop21h 55m
Lufthansa
Sun 11/156:30 am
IST
- STL
1 stop16h 25m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$847
This Orbitz deal was found by Cheapflights users on 5/1. 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.
Sun 11/14:15 pm
STL
- SAW
2 stops18h 30m
Multiple Airlines
Sun 11/158:50 am
SAW
- STL
2 stops39h 40m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,028
This KLM deal was found by Cheapflights users on 5/2. 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 9/13:42 pm
STL
- SAW
2 stops17h 23m
KLM
Tue 9/158:50 am
SAW
- STL
2 stops19h 41m
KLM
Deal found 5/2![KLM logo]()
$1,029
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 May 6, 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 May 6, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 7/226:04 pm
STL
- IST
2 stops25h 26m
Delta
Wed 7/294:25 am
IST
- STL
2 stops27h 28m
Delta
Deal found 5/5![Delta logo]()
$685
This Gotogate deal was found by Cheapflights users on 5/1. 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.
Sun 11/13:50 pm
STL
- IST
1 stop21h 55m
Lufthansa
Sat 11/144:45 am
IST
- STL
2 stops18h 10m
Lufthansa
Deal found 5/1![Lufthansa logo]()
$866
This Orbitz deal was found by Cheapflights users on 5/1. 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.
Sun 11/14:15 pm
STL
- SAW
2 stops18h 30m
Multiple Airlines
Sun 11/158:50 am
SAW
- STL
2 stops39h 40m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,028
This KLM deal was found by Cheapflights users on 5/2. 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 5/286:04 pm
STL
- SAW
2 stops18h 56m
KLM
Mon 6/88:50 am
SAW
- STL
2 stops19h 49m
KLM
Deal found 5/2![KLM logo]()
$1,064
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 9/165:45 pm
STL
- IST
2 stops25h 45m
Delta
Tue 11/35:55 pm
IST
- STL
2 stops33h 06m
Delta
Deal found 5/5![Delta logo]()
$694
This Qatar Airways deal was found by Cheapflights users on 5/5. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:29 pm
STL
- SAW
2 stops35h 41m
Qatar Airways
Tue 11/31:40 pm
SAW
- STL
2 stops34h 49m
Qatar Airways
Deal found 5/5![Qatar Airways logo]()
$1,660
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:10 pm
STL
- IST
2 stops25h 20m
Delta
Mon 7/136:00 am
IST
- STL
2 stops25h 53m
Delta
Deal found 5/6![Delta logo]()
$759
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 7/293:57 pm
STL
- IST
2 stops25h 23m
Delta
Tue 8/44:25 am
IST
- STL
2 stops27h 33m
Delta
Deal found 5/3![Delta logo]()
$890
This Turkish Airlines deal was found by Cheapflights users on 5/3. 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.
Wed 7/296:00 am
STL
- IST
1 stop15h 45m
Multiple Airlines
Tue 8/46:30 am
IST
- STL
1 stop22h 46m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$1,302
This Delta deal was found by Cheapflights users on 5/5. 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.
Sat 5/167:05 pm
STL
- IST
2 stops22h 15m
Delta
Sat 5/235:20 pm
IST
- STL
2 stops31h 45m
Delta
Deal found 5/5![Delta logo]()
$1,159
This KLM deal was found by Cheapflights users on 5/3. 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 6/101:59 pm
STL
- SAW
2 stops19h 06m
KLM
Wed 9/238:50 am
SAW
- STL
2 stops19h 41m
KLM
Deal found 5/3![KLM logo]()
$1,814
This Delta deal was found by Cheapflights users on 5/1. 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.
Sat 7/256:00 am
STL
- IST
2 stops26h 20m
Delta
Thu 7/304:25 am
IST
- STL
2 stops27h 28m
Delta
Deal found 5/1![Delta logo]()
$1,259
This KLM deal was found by Cheapflights users on 5/4. 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.
Thu 5/285:36 pm
STL
- SAW
2 stops15h 29m
KLM
Sat 6/68:50 am
SAW
- STL
2 stops20h 19m
KLM
Deal found 5/4![KLM logo]()
$1,814
This Delta deal was found by Cheapflights users on 5/5. 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 6/86:10 pm
STL
- IST
2 stops23h 10m
Delta
Sun 6/284:25 am
IST
- STL
2 stops24h 14m
Delta
Deal found 5/5![Delta logo]()
$1,289
This Delta deal was found by Cheapflights users on 5/1. 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 5/251:59 pm
STL
- IST
2 stops27h 21m
Delta
Fri 6/264:25 am
IST
- STL
2 stops27h 31m
Delta
Deal found 5/1![Delta logo]()
$1,289
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/275:36 pm
STL
- IST
2 stops23h 44m
Delta
Mon 7/274:25 am
IST
- STL
2 stops27h 28m
Delta
Deal found 5/6![Delta logo]()
$1,309
Last-minute flights from St. Louis to IstanbulDiscover last-minute flight deals from St. Louis to Istanbul. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Istanbul. Data last updated May 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/4. 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.
Wed 5/612:23 pm
STL
- IST
2 stops19h 57m
Delta
Wed 5/136:00 am
IST
- STL
2 stops18h 46m
Delta
Deal found 5/4![Delta logo]()
$1,099
This IEagle deal was found by Cheapflights users on 5/4. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:30 pm
STL
- IST
1 stop13h 30m
Lufthansa
Wed 5/135:40 am
IST
- STL
1 stop15h 45m
Lufthansa
Deal found 5/4![Lufthansa logo]()
$1,185
This Delta deal was found by Cheapflights users on 5/4. 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.
Fri 5/85:36 pm
STL
- IST
2 stops25h 54m
Delta
Fri 5/155:20 pm
IST
- STL
2 stops31h 56m
Delta
Deal found 5/4![Delta logo]()
$1,109
This Delta deal was found by Cheapflights users on 5/5. 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.
Sat 5/167:05 pm
STL
- IST
2 stops22h 15m
Delta
Sat 5/235:20 pm
IST
- STL
2 stops31h 45m
Delta
Deal found 5/5![Delta logo]()
$1,159
This Delta deal was found by Cheapflights users on 5/4. 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 5/245:36 pm
STL
- IST
2 stops23h 44m
Delta
Sun 5/314:25 am
IST
- STL
2 stops24h 44m
Delta
Deal found 5/4![Delta logo]()
$1,224
This KLM deal was found by Cheapflights users on 5/4. 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 5/2511:25 am
STL
- IST
2 stops20h 55m
Multiple Airlines
Fri 6/264:25 am
IST
- STL
2 stops20h 21m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,214
This KLM deal was found by Cheapflights users on 5/5. 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.
Thu 5/285:36 pm
STL
- SAW
2 stops19h 24m
KLM
Mon 6/88:50 am
SAW
- STL
2 stops19h 49m
KLM
Deal found 5/5![KLM logo]()
$1,064
This Delta deal was found by Cheapflights users on 5/3. 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.
Wed 6/35:36 pm
STL
- IST
2 stops23h 44m
Delta
Wed 6/104:25 am
IST
- STL
2 stops20h 58m
Delta
Deal found 5/3![Delta logo]()
$1,219
This Delta deal was found by Cheapflights users on 5/3. 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.
Sat 6/65:36 pm
STL
- IST
2 stops23h 44m
Delta
Wed 9/236:00 am
IST
- STL
2 stops22h 31m
Delta
Deal found 5/3![Delta logo]()
$1,189
This Delta deal was found by Cheapflights users on 5/3. 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 6/96:05 am
STL
- IST
2 stops26h 15m
Delta
Thu 9/244:25 am
IST
- STL
2 stops20h 30m
Delta
Deal found 5/3![Delta logo]()
$1,119
This Delta deal was found by Cheapflights users on 5/3. 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 6/95:36 pm
STL
- IST
2 stops23h 44m
Delta
Sat 9/264:25 am
IST
- STL
2 stops20h 53m
Delta
Deal found 5/3![Delta logo]()
$1,179
This KLM deal was found by Cheapflights users on 5/3. 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 6/171:59 pm
STL
- IST
2 stops18h 21m
Multiple Airlines
Tue 6/234:25 am
IST
- STL
2 stops20h 58m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$1,069
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 May 6, 2026.
Search for one-way flight options from St. Louis to Istanbul. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 8/103:30 pm
STL
- IST
2 stops23h 35m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 8/103:30 pm
STL
- SAW
3 stops41h 40m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 8/158:08 pm
STL
- IST
3 stops42h 17m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 5/4. 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.
Sat 8/151:04 pm
STL
- IST
2 stops30h 26m
Delta
Deal found 5/4![Delta logo]()
$545
This IEagle deal was found by Cheapflights users on 5/4. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:30 pm
STL
- IST
1 stop13h 30m
Lufthansa
Deal found 5/4![Lufthansa logo]()
$571
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sat 6/65:27 pm
STL
- IST
3 stops42h 03m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sat 6/65:27 pm
STL
- SAW
3 stops44h 18m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Fri 6/55:27 pm
STL
- IST
3 stops42h 08m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$659
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 6/114:17 pm
STL
- SAW
3 stops45h 38m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 6/114:17 pm
STL
- IST
3 stops43h 08m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sun 6/76:33 pm
STL
- IST
3 stops40h 57m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$662
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/305:33 pm
STL
- IST
3 stops57h 17m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$664
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 May 6, 2026.
Round-trip from | $640 (Delta) |
|---|---|
One-way from | $465 (Kiwi.com) |
Popular in | June |
Cheapest in | December |
Average price | $1,224 |
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 May 6, 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
Wed 7/22
6:04 pm-3:30 am
2 stops25h 26m
Istanbul
Wed 7/29
4:25 am-11:53 pm
2 stops27h 28m
$685
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Wed 9/16
5:45 pm-3:30 am
2 stops25h 45m
Istanbul
Tue 11/3
5:55 pm-6:01 pm
2 stops33h 06m
$694
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Fri 7/3
6:10 pm-3:30 am
2 stops25h 20m
Istanbul
Mon 7/13
6:00 am-11:53 pm
2 stops25h 53m
$759
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Sun 11/1
3:50 pm-10:45 pm
1 stop21h 55m
Istanbul
Sat 11/14
4:45 am-1:55 pm
2 stops18h 10m
$866
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Wed 7/29
3:57 pm-1:20 am
2 stops25h 23m
Istanbul
Tue 8/4
4:25 am-11:58 pm
2 stops27h 33m
$890
St. LouisIstanbul
STL - SAW
STLSAW
Lambert-St Louis
Sun 11/1
4:15 pm-7:45 pm
2 stops18h 30m
Istanbul Sabiha Gokcen
Sun 11/15
8:50 am-3:30 pm
2 stops39h 40m
$1,028
St. LouisIstanbul
STL - SAW
STLSAW
Lambert-St Louis
Thu 5/28
6:04 pm-9:00 pm
2 stops18h 56m
Istanbul Sabiha Gokcen
Mon 6/8
8:50 am-8:39 pm
2 stops19h 49m
$1,064
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Sat 5/16
7:05 pm-1:20 am
2 stops22h 15m
Istanbul
Sat 5/23
5:20 pm-5:05 pm
2 stops31h 45m
$1,159
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Sat 7/25
6:00 am-4:20 pm
2 stops26h 20m
Istanbul
Thu 7/30
4:25 am-11:53 pm
2 stops27h 28m
$1,259
St. LouisIstanbul
STL - IST
STLIST
Lambert-St Louis
Mon 6/8
6:10 pm-1:20 am
2 stops23h 10m
Istanbul
Sun 6/28
4:25 am-8:39 pm
2 stops24h 14m
$1,289
Showing 1-10 of 30 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
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 24 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 $479). Flying from St. Louis to Istanbul in June is currently the most expensive (average of $968). 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?
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 May 6, 2026.
See what other customers who have flown with Delta,KLM, 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.
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Crew
8.5
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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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Complete your trip
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St. Louis and Istanbul flights
Browse other St. Louis and Istanbul flight options. Last updated on May 6, 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 May 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from St. Louis to Istanbul
Discover the top 8 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$545 | Average$1,204 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$576 | Average$837 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$585 | Average$1,019 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$608 | Average$909 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$613 | Average$1,099 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$627 | Average$921 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$633 | Average$1,070 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$866 | Average$1,319 | FlexibilityNo cancel fee | On-time77% |