$409+ Cheap flights from George Bush Intcntl (IAH) to Islamabad (ISB)
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — ISB
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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Cheapest flights from George Bush Intcntl to IslamabadExplore the most affordable flight options available from George Bush Intcntl to Islamabad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Islamabad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:10 pm
IAH
- ISB
1 stop24h 35m
Turkish Airlines
Sun 9/135:05 am
ISB
- IAH
1 stop48h 10m
Turkish Airlines
Deal found 7/21![Turkish Airlines logo]()
$855
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:10 pm
IAH
- ISB
1 stop24h 35m
Turkish Airlines
Sat 10/35:05 am
ISB
- IAH
1 stop24h 10m
Turkish Airlines
Deal found 7/19![Turkish Airlines logo]()
$889
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:15 pm
IAH
- ISB
1 stop24h 30m
Turkish Airlines
Sun 10/185:05 am
ISB
- IAH
1 stop41h 40m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$899
This FlightHub deal was found by Cheapflights users on 7/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:55 pm
IAH
- ISB
1 stop30h 45m
Turkish Airlines
Sat 1/1610:10 am
ISB
- IAH
1 stop43h 55m
Turkish Airlines
Deal found 7/18![Turkish Airlines logo]()
$912
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:00 pm
IAH
- ISB
1 stop24h 40m
Turkish Airlines
Wed 1/276:15 am
ISB
- IAH
1 stop41h 55m
Turkish Airlines
Deal found 7/19![Turkish Airlines logo]()
$914
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:30 pm
IAH
- ISB
1 stop27h 05m
Turkish Airlines
Tue 11/106:15 am
ISB
- IAH
1 stop23h 50m
Turkish Airlines
Deal found 7/19![Turkish Airlines logo]()
$949
This FlightHub deal was found by Cheapflights users on 7/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:00 pm
IAH
- ISB
1 stop44h 45m
Turkish Airlines
Sun 12/2710:10 am
ISB
- IAH
1 stop43h 55m
Turkish Airlines
Deal found 7/18![Turkish Airlines logo]()
$958
This Turkish Airlines deal was found by Cheapflights users on 7/18. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:00 pm
IAH
- ISB
1 stop24h 40m
Turkish Airlines
Fri 11/206:15 am
ISB
- IAH
1 stop23h 50m
Turkish Airlines
Deal found 7/18![Turkish Airlines logo]()
$974
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:10 pm
IAH
- ISB
1 stop24h 35m
Turkish Airlines
Fri 11/136:15 am
ISB
- IAH
1 stop23h 50m
Turkish Airlines
Deal found 7/20![Turkish Airlines logo]()
$979
This IEagle 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:35 pm
IAH
- ISB
1 stop25h 55m
Emirates
Wed 11/119:00 am
ISB
- IAH
1 stop42h 20m
Emirates
Deal found 7/19![Emirates logo]()
$992
This oojo deal was found by Cheapflights users on 7/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:35 pm
IAH
- ISB
1 stop19h 40m
Emirates
Tue 10/209:25 am
ISB
- IAH
1 stop41h 25m
Emirates
Deal found 7/17![Emirates logo]()
$997
Best flights from George Bush Intcntl to IslamabadDiscover carefully curated flight deals from George Bush Intcntl to Islamabad that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Islamabad that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 23, 2026.
This Turkish Airlines deal was found by Cheapflights users on 7/18. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:10 pm
IAH
- ISB
1 stop20h 25m
Turkish Airlines
Tue 10/205:05 am
ISB
- IAH
1 stop24h 10m
Turkish Airlines
Deal found 7/18![Turkish Airlines logo]()
$899
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:07 am
IAH
- ISB
2 stops35h 18m
Multiple Airlines
Mon 10/197:45 pm
ISB
- IAH
2 stops30h 58m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,043
This Turkish Airlines 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:15 pm
IAH
- ISB
1 stop24h 30m
Turkish Airlines
Sun 10/185:05 am
ISB
- IAH
1 stop41h 40m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$899
This Etihad Airways deal was found by Cheapflights users on 7/18. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:16 pm
IAH
- ISB
2 stops28h 09m
Multiple Airlines
Wed 1/204:35 am
ISB
- IAH
2 stops30h 24m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$1,043
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.
Mon 9/219:10 pm
IAH
- ISB
1 stop20h 25m
Turkish Airlines
Thu 9/245:05 am
ISB
- IAH
1 stop41h 40m
Turkish Airlines
Deal found 7/21![Turkish Airlines logo]()
$979
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:07 am
IAH
- ISB
2 stops26h 18m
Multiple Airlines
Thu 10/297:35 pm
ISB
- IAH
2 stops30h 40m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$1,043
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:30 pm
IAH
- ISB
1 stop27h 05m
Turkish Airlines
Wed 11/2510:10 am
ISB
- IAH
1 stop38h 00m
Turkish Airlines
Deal found 7/19![Turkish Airlines logo]()
$979
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:07 am
IAH
- ISB
2 stops26h 18m
Multiple Airlines
Thu 12/107:35 pm
ISB
- IAH
2 stops32h 13m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,043
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.
Tue 9/229:06 am
IAH
- ISB
2 stops23h 19m
Multiple Airlines
Sun 10/184:50 am
ISB
- IAH
2 stops29h 09m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$1,043
This Etihad 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:07 am
IAH
- ISB
2 stops35h 18m
Multiple Airlines
Thu 9/247:45 pm
ISB
- IAH
2 stops28h 36m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,043
Last-minute flights from George Bush Intcntl to IslamabadDiscover last-minute flight deals from George Bush Intcntl to Islamabad. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Islamabad. Data last updated July 23, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 7/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:35 pm
IAH
- ISB
1 stop19h 40m
Emirates
Tue 10/209:25 am
ISB
- IAH
1 stop41h 25m
Emirates
Deal found 7/17![Emirates logo]()
$997
This Emirates deal was found by Cheapflights users on 7/17. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:35 pm
IAH
- ISB
1 stop19h 40m
Emirates
Wed 10/213:05 am
ISB
- IAH
1 stop23h 45m
Emirates
Deal found 7/17![Emirates logo]()
$1,052
This oojo deal was found by Cheapflights users on 7/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:15 pm
IAH
- ISB
1 stop27h 25m
Qatar Airways
Wed 9/233:30 am
ISB
- IAH
1 stop22h 25m
Qatar Airways
Deal found 7/18![Qatar Airways logo]()
$1,015
This Etihad 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:07 am
IAH
- ISB
2 stops35h 18m
Multiple Airlines
Thu 9/247:45 pm
ISB
- IAH
2 stops28h 36m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,043
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:15 pm
IAH
- ISB
1 stop21h 35m
Qatar Airways
Tue 11/103:10 am
ISB
- IAH
1 stop23h 05m
Qatar Airways
Deal found 7/19![Qatar Airways logo]()
$1,031
This Emirates 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:35 pm
IAH
- ISB
1 stop19h 40m
Emirates
Fri 11/139:00 am
ISB
- IAH
1 stop42h 20m
Emirates
Deal found 7/19![Emirates logo]()
$1,039
This IEagle 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:35 pm
IAH
- ISB
1 stop25h 55m
Emirates
Wed 11/119:00 am
ISB
- IAH
1 stop42h 20m
Emirates
Deal found 7/19![Emirates logo]()
$992
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:15 pm
IAH
- ISB
1 stop27h 25m
Qatar Airways
Mon 9/283:30 am
ISB
- IAH
1 stop22h 25m
Qatar Airways
Deal found 7/21![Qatar Airways logo]()
$1,012
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:15 pm
IAH
- ISB
1 stop27h 25m
Qatar Airways
Wed 12/93:10 am
ISB
- IAH
1 stop23h 10m
Qatar Airways
Deal found 7/21![Qatar Airways logo]()
$1,051
This oojo deal was found by Cheapflights users on 7/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:15 pm
IAH
- ISB
1 stop27h 25m
Qatar Airways
Wed 9/29:25 am
ISB
- IAH
1 stop40h 30m
Qatar Airways
Deal found 7/18![Qatar Airways logo]()
$1,018
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.
Wed 8/196:15 pm
IAH
- ISB
1 stop21h 35m
Qatar Airways
Wed 9/23:30 am
ISB
- IAH
1 stop22h 25m
Qatar Airways
Deal found 7/19![Qatar Airways logo]()
$1,066
This Etihad Airways 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:07 am
IAH
- ISB
2 stops35h 18m
Multiple Airlines
Thu 9/174:50 am
ISB
- IAH
2 stops29h 09m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$1,042
One-way flights from George Bush Intcntl to IslamabadSearch for one-way flight options from George Bush Intcntl to Islamabad. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
Search for one-way flight options from George Bush Intcntl to Islamabad. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:53 pm
IAH
- ISB
2 stops28h 32m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$409
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.
Tue 8/119:42 pm
IAH
- ISB
2 stops43h 43m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$466
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:02 pm
IAH
- ISB
3 stops45h 23m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$474
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.
Thu 8/204:19 pm
IAH
- ISB
2 stops40h 06m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 7/18. 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.
Wed 9/212:53 pm
IAH
- ISB
2 stops28h 32m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$499
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.
Thu 9/34:19 pm
IAH
- ISB
2 stops40h 06m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$516
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 9/49:58 pm
IAH
- ISB
2 stops34h 27m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$517
This IEagle 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:15 pm
IAH
- ISB
1 stop21h 35m
Qatar Airways
Deal found 7/19![Qatar Airways logo]()
$525
Find flight deals from George Bush Intcntl to Islamabad
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Islamabad (ISB). 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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $855 (Justfly.com) |
One-way from | $409 (Trip.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,230 |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Islamabad 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 23, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Islamabad that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Tue 9/22
9:10 pm-3:35 am
1 stop20h 25m
Islamabad Intl
Tue 10/20
5:05 am-7:15 pm
1 stop24h 10m
$899
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Tue 9/22
9:15 pm-7:45 am
1 stop24h 30m
Islamabad Intl
Sun 10/18
5:05 am-12:45 pm
1 stop41h 40m
$899
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Mon 9/21
9:10 pm-3:35 am
1 stop20h 25m
Islamabad Intl
Thu 9/24
5:05 am-12:45 pm
1 stop41h 40m
$979
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Mon 10/12
2:30 pm-3:35 am
1 stop27h 05m
Islamabad Intl
Wed 11/25
10:10 am-1:10 pm
1 stop38h 00m
$979
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Fri 9/4
6:07 am-3:25 am
2 stops35h 18m
Islamabad Intl
Mon 10/19
7:45 pm-4:43 pm
2 stops30h 58m
$1,043
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Fri 9/4
1:16 pm-3:25 am
2 stops28h 09m
Islamabad Intl
Wed 1/20
4:35 am-11:59 pm
2 stops30h 24m
$1,043
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Wed 8/26
6:07 am-6:25 pm
2 stops26h 18m
Islamabad Intl
Thu 10/29
7:35 pm-4:15 pm
2 stops30h 40m
$1,043
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Sat 8/15
6:07 am-6:25 pm
2 stops26h 18m
Islamabad Intl
Thu 12/10
7:35 pm-4:48 pm
2 stops32h 13m
$1,043
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Tue 9/22
9:06 am-6:25 pm
2 stops23h 19m
Islamabad Intl
Sun 10/18
4:50 am-11:59 pm
2 stops29h 09m
$1,043
HoustonIslamabad
IAH - ISB
IAHISB
Houston George Bush Intcntl
Thu 8/6
6:07 am-3:25 am
2 stops35h 18m
Islamabad Intl
Thu 9/24
7:45 pm-2:21 pm
2 stops28h 36m
$1,043
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to Islamabad
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 Islamabad in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Islamabad 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-Islamabad flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Islamabad flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Islamabad 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-Islamabad 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 Islamabad
Have a flexible travel schedule? Discover the best time to fly to Islamabad from George Bush Intcntl with our price prediction graph.
IAH-ISB
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 Islamabad
Prices
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How far ahead should I book a flight from Houston George Bush Intcntl Airport to Islamabad?
The price you pay for your flight from Houston George Bush Intcntl Airport to Islamabad may vary depending on when you book. For the best chance of a lower fare, look to book 60 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 Houston George Bush Intcntl Airport to Islamabad?
Currently, March is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Islamabad (average of $883). Flying from Houston George Bush Intcntl Airport to Islamabad in June is currently the most expensive (average of $1,716). 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 Houston George Bush Intcntl Airport to Islamabad?
What’s the top layover airport for flights from Houston George Bush Intcntl Airport to Islamabad?
Share of 1-stop round-trip flights from Houston George Bush Intcntl Airport to Islamabad chosen by Cheapflights users in the past 12 months, using the same layover each way.
Doha (DOH) – chosen by Cheapflights users on 64% of 1-stop itineraries from Houston George Bush Intcntl Airport to Islamabad on Cheapflights.
What’s the cheapest layover airport for flights from Houston George Bush Intcntl Airport to Islamabad?
Average round-trip fare for 1-stop flights from Houston George Bush Intcntl Airport to Islamabad, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Doha (DOH) is the most affordable 1-stop option, with an average round-trip price of $1,087.
What’s the fastest layover option from Houston George Bush Intcntl Airport to Islamabad?
Shortest average travel time for 1-stop one-way flights from Houston George Bush Intcntl Airport to Islamabad, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dubai (DXB) have the shortest average one-way travel time for 1-stop routes: 19h 24m.
Which airport typically offers the quickest layover for flights from Houston George Bush Intcntl Airport to Islamabad?
Average layover duration for 1-stop one-way flights from Houston George Bush Intcntl Airport to Islamabad, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Doha (DOH) offer the fastest connection on this route, with an average layover time of 3h 41m.
Reviews of airlines servicing Islamabad
Get insights into the airlines that provide service to Islamabad. 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 Islamabad. Reviews last updated July 23, 2026.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to Islamabad, such as Emirates,Turkish Airlines, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.1
Comfort
8.0
Crew
8.4
Food
7.9
Boarding
8.1
Entertainment
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Overall
8.1
Comfort
8.0
Crew
8.4
Food
7.9
Boarding
8.1
Entertainment
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Overall
8.1
Comfort
8.0
Crew
8.4
Food
7.9
Boarding
8.1
Entertainment
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Overall
8.1
Comfort
8.0
Crew
8.4
Food
7.9
Boarding
8.1
Entertainment
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Related info for your journey
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Other flights to Islamabad
Explore flights to Islamabad departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
George Bush Intcntl and Islamabad flights
Browse other George Bush Intcntl and Islamabad flight options. Last updated on July 23, 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 July 23, 2026.
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Top 3 airlines flying from George Bush Intcntl to Islamabad
Discover the top 3 airlines that operate flights from George Bush Intcntl to Islamabad. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$784 | Average$1,075 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$866 | Average$1,104 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$918 | Average$1,168 | FlexibilityNo cancel fee | On-time75% |