$647+ Cheap flights from George Bush Intcntl (IAH) to Istanbul (IST)
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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IST
Jul 18 — Jul 251
Round-trip
1 adult, Economy
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Find cheap flights from George Bush Intcntl 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 Houston George Bush Intcntl to Istanbul are usually found in March or January, booked 85 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday
Cheap flight deals from George Bush Intcntl to Istanbul
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Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to IstanbulExplore the most affordable flight options available from George Bush Intcntl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.
This Travelocity deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:15 pm
IAH
- IST
1 stop34h 00m
Multiple Airlines
Sat 11/77:35 am
IST
- IAH
2 stops25h 16m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$996
This Air France deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:12 pm
IAH
- IST
2 stops20h 08m
KLM
Tue 8/255:20 pm
IST
- IAH
1 stop28h 00m
KLM
Deal found 6/18![KLM logo]()
$1,004
This British Airways deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:14 pm
IAH
- IST
2 stops24h 11m
British Airways
Wed 8/197:25 pm
IST
- IAH
1 stop26h 00m
British Airways
Deal found 6/15![British Airways logo]()
$1,011
This IEagle deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:15 pm
IAH
- IST
1 stop34h 00m
Qatar Airways
Sat 8/221:45 pm
IST
- IAH
1 stop34h 10m
Qatar Airways
Deal found 6/18![Qatar Airways logo]()
$1,012
This flugladen.de deal was found by Cheapflights users on 6/14. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:45 am
IAH
- IST
2 stops21h 15m
Air Canada
Tue 8/2510:40 am
IST
- IAH
2 stops19h 21m
Air Canada
Deal found 6/14![Air Canada logo]()
$1,013
This Justfly.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:10 pm
IAH
- IST
2 stops39h 00m
Multiple Airlines
Tue 11/1010:00 pm
IST
- IAH
2 stops32h 39m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,014
This Expedia deal was found by Cheapflights users on 6/14. 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.
Sun 8/911:01 am
IAH
- IST
2 stops19h 29m
British Airways
Tue 8/258:15 am
IST
- IAH
2 stops23h 43m
British Airways
Deal found 6/14![British Airways logo]()
$1,015
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:15 pm
IAH
- IST
1 stop34h 00m
Qatar Airways
Tue 8/188:05 pm
IST
- IAH
1 stop27h 50m
Qatar Airways
Deal found 6/18![Qatar Airways logo]()
$1,017
This FlightHub deal was found by Cheapflights users on 6/16. 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 9/1912:21 pm
IAH
- IST
2 stops31h 19m
Scandinavian Airlines
Wed 9/304:30 am
IST
- IAH
2 stops27h 19m
Scandinavian Airlines
Deal found 6/16![Scandinavian Airlines logo]()
$1,019
This Justfly.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:30 pm
IAH
- IST
Nonstop12h 00m
Turkish Airlines
Fri 10/162:15 pm
IST
- IAH
Nonstop13h 00m
Turkish Airlines
Deal found 6/17![Turkish Airlines logo]()
$1,021
This Qatar Airways deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:15 pm
IAH
- IST
1 stop28h 05m
Qatar Airways
Fri 10/168:05 pm
IST
- IAH
1 stop27h 50m
Qatar Airways
Deal found 6/17![Qatar Airways logo]()
$1,022
Best flights from George Bush Intcntl to IstanbulDiscover carefully curated flight deals from George Bush Intcntl to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 18, 2026.
This KLM deal was found by Cheapflights users on 6/13. 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 10/123:20 pm
IAH
- IST
1 stop17h 00m
KLM
Mon 10/265:55 pm
IST
- IAH
1 stop28h 10m
KLM
Deal found 6/13![KLM logo]()
$1,026
This Turkish Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 10/19:10 pm
IAH
- IST
Nonstop12h 00m
Turkish Airlines
Tue 10/62:15 pm
IST
- IAH
Nonstop13h 00m
Turkish Airlines
Deal found 6/16![Turkish Airlines logo]()
$1,051
This KLM deal was found by Cheapflights users on 6/16. 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 9/13:25 pm
IAH
- IST
1 stop16h 55m
Multiple Airlines
Thu 10/154:25 am
IST
- IAH
2 stops20h 10m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,054
This Qatar Airways deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:15 pm
IAH
- IST
1 stop28h 05m
Qatar Airways
Sun 9/208:05 pm
IST
- IAH
2 stops35h 54m
Qatar Airways
Deal found 6/17![Qatar Airways logo]()
$1,098
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:35 pm
IAH
- IST
1 stop21h 40m
United Airlines
Thu 10/151:55 pm
IST
- IAH
2 stops18h 35m
United Airlines
Deal found 6/15![United Airlines logo]()
$1,110
This KLM deal was found by Cheapflights users on 6/15. 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 9/13:25 pm
IAH
- IST
1 stop16h 55m
KLM
Thu 10/154:25 am
IST
- IAH
1 stop17h 15m
KLM
Deal found 6/15![KLM logo]()
$1,049
This Turkish Airlines deal was found by Cheapflights users on 6/13. 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.
Sun 8/309:10 pm
IAH
- IST
Nonstop12h 00m
Turkish Airlines
Wed 9/92:15 pm
IST
- IAH
Nonstop13h 00m
Turkish Airlines
Deal found 6/13![Turkish Airlines logo]()
$1,051
This KLM deal was found by Cheapflights users on 6/13. 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 7/123:25 pm
IAH
- IST
1 stop25h 55m
Multiple Airlines
Thu 7/164:25 am
IST
- IAH
2 stops19h 31m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,058
This KLM deal was found by Cheapflights users on 6/13. 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 8/312:37 pm
IAH
- IST
2 stops17h 43m
KLM
Fri 9/114:25 am
IST
- IAH
1 stop17h 15m
KLM
Deal found 6/13![KLM logo]()
$1,055
This Turkish Airlines deal was found by Cheapflights users on 6/13. 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.
Fri 9/49:10 pm
IAH
- IST
Nonstop12h 00m
Turkish Airlines
Thu 9/102:15 pm
IST
- IAH
Nonstop13h 00m
Turkish Airlines
Deal found 6/13![Turkish Airlines logo]()
$1,091
This KLM deal was found by Cheapflights users on 6/15. 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 7/73:25 pm
IAH
- IST
1 stop25h 55m
KLM
Wed 7/155:20 pm
IST
- IAH
1 stop28h 00m
KLM
Deal found 6/15![KLM logo]()
$1,056
This KLM deal was found by Cheapflights users on 6/14. 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 7/115:05 pm
IAH
- IST
1 stop26h 25m
KLM
Sat 7/186:00 am
IST
- IAH
1 stop15h 20m
KLM
Deal found 6/14![KLM logo]()
$1,063
Last-minute flights from George Bush Intcntl to IstanbulDiscover last-minute flight deals from George Bush Intcntl to Istanbul. Data last updated June 18, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Istanbul. Data last updated June 18, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 6/15. 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 6/223:25 pm
IAH
- IST
1 stop25h 55m
KLM
Sun 6/285:20 pm
IST
- IAH
1 stop28h 00m
KLM
Deal found 6/15![KLM logo]()
$1,058
This KLM deal was found by Cheapflights users on 6/15. 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 6/243:25 pm
IAH
- IST
1 stop25h 55m
Multiple Airlines
Wed 7/84:25 am
IST
- IAH
2 stops19h 48m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,060
This KLM deal was found by Cheapflights users on 6/16. 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 6/283:25 pm
IAH
- IST
1 stop25h 55m
KLM
Tue 7/144:25 am
IST
- IAH
1 stop18h 25m
KLM
Deal found 6/16![KLM logo]()
$1,051
This KLM deal was found by Cheapflights users on 6/16. 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 6/283:25 pm
IAH
- IST
1 stop25h 55m
KLM
Thu 7/236:00 am
IST
- IAH
1 stop15h 20m
KLM
Deal found 6/16![KLM logo]()
$1,059
This Air France deal was found by Cheapflights users on 6/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/283:25 pm
IAH
- IST
1 stop25h 55m
Multiple Airlines
Thu 7/164:25 am
IST
- IAH
2 stops21h 14m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,061
This KLM deal was found by Cheapflights users on 6/13. 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 7/73:25 pm
IAH
- IST
1 stop25h 55m
KLM
Tue 8/184:25 am
IST
- IAH
1 stop17h 15m
KLM
Deal found 6/13![KLM logo]()
$1,049
This KLM deal was found by Cheapflights users on 6/13. 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 7/73:25 pm
IAH
- IST
1 stop25h 55m
KLM
Wed 8/195:20 pm
IST
- IAH
1 stop28h 00m
KLM
Deal found 6/13![KLM logo]()
$1,054
This KLM deal was found by Cheapflights users on 6/15. 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 7/115:05 pm
IAH
- IST
1 stop26h 25m
KLM
Sat 7/185:20 pm
IST
- IAH
1 stop28h 00m
KLM
Deal found 6/15![KLM logo]()
$1,063
This KLM deal was found by Cheapflights users on 6/15. 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 7/123:25 pm
IAH
- IST
1 stop25h 55m
KLM
Sun 7/196:00 am
IST
- IAH
1 stop15h 20m
KLM
Deal found 6/15![KLM logo]()
$1,056
This KLM deal was found by Cheapflights users on 6/16. 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 7/153:25 pm
IAH
- IST
1 stop25h 55m
KLM
Sun 7/196:00 am
IST
- IAH
1 stop15h 20m
KLM
Deal found 6/16![KLM logo]()
$1,057
This Turkish Airlines deal was found by Cheapflights users on 6/15. 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.
Fri 7/312:30 pm
IAH
- IST
Nonstop12h 00m
Turkish Airlines
Sun 8/302:15 pm
IST
- IAH
Nonstop13h 00m
Turkish Airlines
Deal found 6/15![Turkish Airlines logo]()
$1,041
One-way flights from George Bush Intcntl to IstanbulSearch for one-way flight options from George Bush Intcntl to Istanbul. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
Search for one-way flight options from George Bush Intcntl to Istanbul. Find affordable one-way fares based on user searches. Data last updated June 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 6/308:02 pm
IAH
- IST
3 stops39h 28m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:59 pm
IAH
- IST
3 stops38h 31m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$648
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/39:42 am
IAH
- IST
3 stops25h 43m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 6/288:37 pm
IAH
- IST
2 stops39h 03m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$652
This Kiwi.com deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:14 pm
IAH
- IST
3 stops41h 16m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$654
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 8/1212:16 pm
IAH
- IST
1 stop19h 24m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 9/307:00 am
IAH
- IST
1 stop24h 40m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 6/248:55 pm
IAH
- IST
3 stops38h 35m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$667
This oojo deal was found by Cheapflights users on 6/16. 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 7/146:15 pm
IAH
- IST
1 stop40h 20m
Qatar Airways
Deal found 6/16![Qatar Airways logo]()
$669
Find flight deals from George Bush Intcntl to Istanbul
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Istanbul (IST). 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 June 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,011 (British Airways) |
One-way from | $647 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,491 |
Good round-trip deal | $1,141 or less |
Good one-way deal | $704 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl 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 June 18, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Istanbul Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Mon 10/12
3:20 pm-4:20 pm
1 stop17h 00m
Istanbul
Mon 10/26
5:55 pm-2:05 pm
1 stop28h 10m
$1,026
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Tue 9/1
3:25 pm-4:20 pm
1 stop16h 55m
Istanbul
Thu 10/15
4:25 am-1:40 pm
1 stop17h 15m
$1,049
Quickest round-trip
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Thu 10/1
9:10 pm-5:10 pm
Nonstop12h 00m
Istanbul
Tue 10/6
2:15 pm-7:15 pm
Nonstop13h 00m
$1,051
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Sun 8/30
9:10 pm-5:10 pm
Nonstop12h 00m
Istanbul
Wed 9/9
2:15 pm-7:15 pm
Nonstop13h 00m
$1,051
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Tue 9/1
3:25 pm-4:20 pm
1 stop16h 55m
Istanbul
Thu 10/15
4:25 am-4:35 pm
2 stops20h 10m
$1,054
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Mon 8/31
2:37 pm-4:20 pm
2 stops17h 43m
Istanbul
Fri 9/11
4:25 am-1:40 pm
1 stop17h 15m
$1,055
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Tue 7/7
3:25 pm-1:20 am
1 stop25h 55m
Istanbul
Wed 7/15
5:20 pm-1:20 pm
1 stop28h 00m
$1,056
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Sun 7/12
3:25 pm-1:20 am
1 stop25h 55m
Istanbul
Thu 7/16
4:25 am-3:56 pm
2 stops19h 31m
$1,058
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Sat 7/11
5:05 pm-3:30 am
1 stop26h 25m
Istanbul
Sat 7/18
6:00 am-1:20 pm
1 stop15h 20m
$1,063
HoustonIstanbul
IAH - IST
IAHIST
Houston George Bush Intcntl
Fri 9/4
9:10 pm-5:10 pm
Nonstop12h 00m
Istanbul
Thu 9/10
2:15 pm-7:15 pm
Nonstop13h 00m
$1,091
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to Istanbul
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Istanbul in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Istanbul Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Istanbul Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Istanbul Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Istanbul Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from George Bush Intcntl to Istanbul
Have a flexible travel schedule? Discover the best time to fly to Istanbul from George Bush Intcntl with our price prediction graph.
IAH-IST
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 Houston George Bush Intcntl Airport to Istanbul Airport
Prices
Airlines
How far ahead should I book a flight from Houston George Bush Intcntl Airport to Istanbul Airport?
The best time to book flights from Houston George Bush Intcntl Airport to Istanbul Airport is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Istanbul Airport?
Currently, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Istanbul Airport (average of $803). Flying from Houston George Bush Intcntl Airport to Istanbul Airport in June is currently the most expensive (average of $1,491). 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 IAH to IST?
Find hourly flight availability from George Bush Intcntl 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 June 18, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Houston George Bush Intcntl Airport to Istanbul Airport as you normally would.
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 June 18, 2026.
Get a feel of what it's like to fly with KLM,Delta, andTurkish Airlines from Houston George Bush Intcntl Airport to Istanbul Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.2
Crew
8.4
Overall
7.8
Boarding
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Overall
7.8
Boarding
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Overall
7.8
Boarding
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Overall
7.8
Boarding
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Overall
7.8
Boarding
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Entertainment
7.2
Crew
8.4
Overall
7.8
Boarding
7.8
Food
7.3
Comfort
7.7
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from George Bush Intcntl 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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Other flights to Istanbul
Explore flights to Istanbul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 18, 2026.
George Bush Intcntl and Istanbul flights
Browse other George Bush Intcntl and Istanbul flight options. Last updated on June 18, 2026.
Other flights from George Bush Intcntl
Browse through other flights departing from George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on June 18, 2026.
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Top 6 airlines flying from George Bush Intcntl to Istanbul
Discover the top 6 airlines that operate flights from George Bush Intcntl 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 June 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$364 | Average$983 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$570 | Average$1,196 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$650 | Average$1,396 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$721 | Average$1,005 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$723 | Average$953 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$804 | Average$1,194 | FlexibilityNo cancel fee | On-timeN/A |