In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 81.0 mm.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

What is the cheapest time of day to fly from ISB to IAH?

When flying from Islamabad to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Islamabad to Houston George Bush Intcntl?

Islamabad Intl (ISB) is the airport you will fly out of if you book a flight from Islamabad to Houston George Bush Intcntl. You should not have trouble finding flights to Houston George Bush Intcntl from Islamabad Intl; the airport handles an average of 0 outbound flights to Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Islamabad airport to Houston George Bush Intcntl. It is only a 19.7 mi journey to Islamabad Intl (ISB) from Islamabad’s city center.

Can I find deals for flights from Islamabad to George Bush Intcntl that include hotel bookings?

Yes. In addition to deals on Islamabad to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Islamabad to George Bush Intcntl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islamabad to George Bush Intcntl.

Can I find deals for business class flights from Islamabad to George Bush Intcntl?

Yes. Cheapflights offers flight deals from Islamabad to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£433+ Cheap Flights from Islamabad to Houston George Bush Intcntl Airport

Cheap flight deals from Islamabad to George Bush Intcntl

Enter your travel dates to find the best prices.

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Cheapest flights from Islamabad to George Bush Intcntl
Explore the most affordable flight options available from Islamabad to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Mon 2/1119:35 -

2 stops29h 31m

Mon 25/109:09 -

2 stops31h 06m

Deal found 9/9£850

Mon 16/1119:35 -

2 stops29h 31m

Mon 29/307:34 -

2 stops33h 51m

Deal found 9/9£877

Fri 25/904:50 -

2 stops29h 09m

Fri 2/1006:05 -

2 stops26h 20m

Deal found 7/9£895

Sat 21/1119:35 -

2 stops38h 02m

Sun 29/1106:00 -

2 stops25h 10m

Deal found 7/9£994

Tue 27/1003:20 -

1 stop22h 55m

Sun 1/1117:35 -

1 stop26h 50m

Deal found 10/9£1,249

Sat 24/1003:30 -

1 stop22h 45m

Sun 1/1117:35 -

1 stop26h 50m

Deal found 10/9£1,264

Thu 24/903:30 -

1 stop22h 25m

Fri 5/317:35 -

1 stop21h 05m

Deal found 10/9£1,275

Find flight deals from Islamabad to George Bush Intcntl

Round-trip from	£850
One-way from	£433
Popular in	February
Cheapest in	August
Average price	£1,266

9/11-17/1
4 total stops
60h 37m total
Islamabad to Houston

Search Deals

30/9-31/12
2 total stops
36h 45m total
Islamabad to Houston

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£69 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islamabad to Houston George Bush Intcntl Airport that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Wed 30/9

23:45-07:17

3 stops41h 32m

Houston George Bush Intcntl

Wed 31/12

00:00-11:00

Nonstop0h 00m

£506

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Wed 30/9

23:20-22:15

2 stops56h 55m

Houston George Bush Intcntl

Wed 31/12

00:00-11:00

Nonstop0h 00m

£740

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Wed 30/9

05:05-19:20

1 stop24h 15m

Houston George Bush Intcntl

Wed 31/12

00:00-11:00

Nonstop0h 00m

£842

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Mon 2/11

19:35-14:06

2 stops29h 31m

Houston George Bush Intcntl

Mon 25/1

09:09-03:15

2 stops31h 06m

£850

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Mon 16/11

19:35-14:06

2 stops29h 31m

Houston George Bush Intcntl

Mon 29/3

07:34-03:25

2 stops33h 51m

£877

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Mon 28/9

19:45-19:49

2 stops34h 04m

Houston George Bush Intcntl

Sun 8/11

07:37-03:15

2 stops32h 38m

£895

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Fri 25/9

04:50-23:59

2 stops29h 09m

Houston George Bush Intcntl

Fri 2/10

06:05-18:25

2 stops26h 20m

£895

Fastest return journey

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Tue 29/9

03:30-15:55

1 stop22h 25m

Houston George Bush Intcntl

Wed 31/12

00:00-11:00

Nonstop0h 00m

£927

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Fri 8/1

06:15-19:05

1 stop23h 50m

Houston George Bush Intcntl

Wed 31/12

00:00-11:00

Nonstop0h 00m

£969

IslamabadHouston

ISB Islamabad Intl - IAH Houston George Bush Intcntl

ISBIAH

Islamabad Intl

Thu 7/1

06:15-19:05

1 stop23h 50m

Houston George Bush Intcntl

Wed 31/12

00:00-11:00

Nonstop0h 00m

£969

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from Islamabad to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Islamabad with our price prediction graph.

ISB-IAH

Estimated return 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 Islamabad to Houston George Bush Intcntl Airport

What is the cheapest month to book a flight from Islamabad to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Islamabad to Houston George Bush Intcntl Airport (average of £954). Flying from Islamabad to Houston George Bush Intcntl Airport in February 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.

Related info for your journey

What airport do you fly from for flights from Islamabad to Houston George Bush Intcntl?
Islamabad Intl (ISB) is the airport you will fly out of if you book a flight from Islamabad to Houston George Bush Intcntl. You should not have trouble finding flights to Houston George Bush Intcntl from Islamabad Intl; the airport handles an average of 0 outbound flights to Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Islamabad airport to Houston George Bush Intcntl. It is only a 19.7 mi journey to Islamabad Intl (ISB) from Islamabad’s city center.
Can I find deals for flights from Islamabad to George Bush Intcntl that include hotel bookings?
Yes. In addition to deals on Islamabad to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Islamabad to George Bush Intcntl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islamabad to George Bush Intcntl.
Can I find deals for business class flights from Islamabad to George Bush Intcntl?
Yes. Cheapflights offers flight deals from Islamabad to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Islamabad to Houston George Bush Intcntl Airport?
Currently, August is the cheapest month in which you can book a flight from Islamabad to Houston George Bush Intcntl Airport (average of £954). Flying from Islamabad to Houston George Bush Intcntl Airport in February 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.

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Deals for Islamabad to George Bush Intcntl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Islamabad to George Bush Intcntl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Islamabad to George Bush Intcntl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Islamabad to George Bush Intcntl with no change fees?

Yes, we can. To see specific flights from Islamabad to George Bush Intcntl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Islamabad to George Bush Intcntl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to George Bush Intcntl from Islamabad today and book when prices fit your budget.

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Cheap flights from Islamabad to Houston George Bush Intcntl Airport from £433

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Islamabad to George Bush Intcntl

Cheapest flights from Islamabad to George Bush IntcntlExplore the most affordable flight options available from Islamabad to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Islamabad to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Islamabad to George Bush IntcntlDiscover carefully curated flight deals from Islamabad to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Islamabad to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Islamabad to George Bush IntcntlDiscover last-minute flight deals from Islamabad to George Bush Intcntl. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Islamabad to George Bush Intcntl. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Islamabad to George Bush IntcntlSearch for one-way flight options from Islamabad to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Islamabad to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from Islamabad to George Bush Intcntl

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Use the filters below to find and compare flights from Islamabad to Houston George Bush Intcntl Airport that are best for you.

Best time to book a flight from Islamabad to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Islamabad with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Islamabad to Houston George Bush Intcntl Airport?

Related info for your journey

What airport do you fly from for flights from Islamabad to Houston George Bush Intcntl?

Can I find deals for flights from Islamabad to George Bush Intcntl that include hotel bookings?

How can I find direct flights from Islamabad to George Bush Intcntl?

Can I find deals for business class flights from Islamabad to George Bush Intcntl?

What is the cheapest month to book a flight from Islamabad to Houston George Bush Intcntl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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Search flights from Islamabad to George Bush Intcntl by cabin class

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Other flights to George Bush Intcntl

Explore flights to George Bush Intcntl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.

Islamabad and George Bush Intcntl flights

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Why should you use Cheapflights to find cheap flight tickets from Islamabad to George Bush Intcntl?

Can Cheapflights find flights from Islamabad to George Bush Intcntl with no change fees?

Can Cheapflights notify me if prices for flights from Islamabad to George Bush Intcntl become cheaper?

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Cheapest flights from Islamabad to George Bush Intcntl
Explore the most affordable flight options available from Islamabad to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Islamabad to George Bush Intcntl
Discover carefully curated flight deals from Islamabad to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Islamabad to George Bush Intcntl
Discover last-minute flight deals from Islamabad to George Bush Intcntl. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Islamabad to George Bush Intcntl
Search for one-way flight options from Islamabad to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.