746 € Cheap Flights from Houston George Bush Intercntl. to Islamabad

Compare Houston George Bush Intercntl. to Islamabad flight deals

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Flight deals from Houston George Bush Intercntl. to Islamabad

Looking for a cheap last-minute deal or the best return flight from Houston George Bush Intercntl. to Islamabad? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston George Bush Intercntl. to Islamabad

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston George Bush Intercntl. to Islamabad flights are currently cheapest in May.

Houston George Bush Intercntl. to Islamabad: Alternative routes

Compare routes from Houston George Bush Intercntl. to Islamabad below. You may find an airport to fly into that's cheaper, faster, or easier than Islamabad.

Houston to Islamabad: Flight information

The things to know before you go.
Cheapest flight found746 €
Cheapest month to flyFebruary

Finding cheap flights from Houston George Bush Intercntl. to Islamabad: Frequently asked questions

The best price we found for a return flight from Houston George Bush Intercntl. to Islamabad is 746 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Houston George Bush Intercntl. to Islamabad. But we found flights with one or more stops from 746 €.
As of February 2026, there are no flights flying from Houston George Bush Intercntl. to Islamabad.
The cheapest month to fly from Houston George Bush Intercntl. to Islamabad is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston George Bush Intercntl. Airport to Islamabad Airport on Monday, 23 February 2026.
No airlines currently offer direct flights between Houston George Bush Intercntl. Airport and Islamabad Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Islamabad but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Islamabad is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Spirit Airlines offers the cheapest flight tickets to Islamabad.

Travelling from George Bush Intercontinental Airport (IAH) to Islamabad International Airport (ISB): what you need to know

  • Islamabad's timezone is UTC+5, making Islamabad ten hours ahead of Houston.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Make sure you're at the airport on time to catch your IAH to ISB flight.

  • You can expect longer lines in popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a wise move.

  • If you want to add a stop to your trip, just uncheck 'Direct flights only' when searching for your ticket from George Bush Intercontinental Airport to Islamabad International Airport. Here are the top stopovers between IAH and ISB:

    • Dubai Airport

    • Hamad International Airport

    • Istanbul Ataturk Airport

How to find the cheapest flights from George Bush Intercontinental Airport (IAH) to Islamabad International Airport (ISB)

  • 325 € is currently the lowest price for a one-way George Bush Intercontinental Airport to Islamabad International Airport flight. A return flight starts at 746 €. These prices can change depending on availability and demand.

  • Don't wait until the last minute. You're more likely to find cheap tickets from IAH to ISB if you book in advance. Airlines often offer some great early bird deals.

  • If you can be flexible with your trip dates, use the 'Whole month' search function. It'll show you the lowest price across the month when looking for your flight from George Bush Intercontinental Airport to Islamabad International Airport.

  • Save time searching for cheap flights from IAH to ISB by setting up a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Select your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from George Bush Intercontinental Airport to Islamabad International Airport.

Handy information about George Bush Intercontinental Airport (IAH)

Arriving at Islamabad International Airport (ISB)

Getting from Islamabad International Airport (ISB) to central Islamabad

  • Islamabad International Airport to central Islamabad has a drive time of around 35 minutes. It's approximately 31 kilometres away.

  • When travelling on public transport, expect a journey of around 1 hour 25 minutes.

When to fly to Islamabad International Airport (ISB)

  • The quietest month for a flight from George Bush Intercontinental Airport to Islamabad International Airport is April, while July is the busiest. Pick the best time to visit Islamabad based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Book your flight from George Bush Intercontinental Airport to Islamabad International Airport for June if you'd like to go to Islamabad during its warmest month. Expect temperatures of between 24ºC (75ºF) and 39ºC (102ºF).

  • January has average temperatures of between 4ºC (39ºF) and 19ºC (66ºF). Look for cheap tickets from IAH to ISB around that time if you like cooler conditions.

Explore more of Pakistan

  • Islamabad is always a good idea, but there are so many other corners of Pakistan just waiting to be discovered. About 274 kilometres south-east of Islamabad, a visit to Lahore will fill your itinerary to the brim. Start with leading attractions like Khayaban-e-Quaid New Parks, B Block Park Sabzazar and Tariq garden mini zoo.

  • Around 257 kilometres south of Islamabad, Faisalabad is another favourite stop in Pakistan. Experience major highlights starting with Gulshan-E-Haram, Main Park گلشنِ حرم مَین پارک, Norani Park and Triangle park Chambeli block.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.