£406 Cheap Flights from Houston (IAH) to Islamabad (ISB)

View £406 flight on Sat, 2 May 2026Opens in a new window

Flight 1

Popular airlines from George Bush Intercontinental Airport (IAH) to Benazir Bhutto Intl. Airport (ISB)

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Cheap Flights from Houston (IAH) to Islamabad (ISB)

Prices were available within the past 7 days and start at £406 for one-way flights and £778 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Emirates
Tue, 5 May - Mon, 25 May
IAH
Houston
ISB
Islamabad
£778 Return, found 4 days ago
£778
Return
found 4 days ago
Select Emirates flight, departing Tue, 5 May from Houston to Islamabad, returning Mon, 25 May, priced at £778 found 4 days ago
Emirates
Tue, 5 May - Mon, 25 May
IAH
Houston
ISB
Islamabad
£783 Return, found 4 days ago
£783
Return
found 4 days ago
Select Emirates flight, departing Tue, 5 May from Houston to Islamabad, returning Mon, 25 May, priced at £783 found 4 days ago
Alaska Airlines
Tue, 5 May - Mon, 25 May
IAH
Houston
ISB
Islamabad
£892 Return, found 4 days ago
£892
Return
found 4 days ago
Select Alaska Airlines flight, departing Tue, 5 May from Houston to Islamabad, returning Mon, 25 May, priced at £892 found 4 days ago
Emirates
Tue, 5 May - Mon, 25 May
IAH
Houston
ISB
Islamabad
£913 Return, found 4 days ago
£913
Return
found 4 days ago
Select Emirates flight, departing Tue, 5 May from Houston to Islamabad, returning Mon, 25 May, priced at £913 found 4 days ago
Emirates
Tue, 5 May - Mon, 25 May
IAH
Houston
ISB
Islamabad
£939 Return, found 4 days ago
£939
Return
found 4 days ago
Select Emirates flight, departing Tue, 5 May from Houston to Islamabad, returning Mon, 25 May, priced at £939 found 4 days ago
Emirates
Fri, 1 May - Sat, 20 Jun
IAH
Houston
ISB
Islamabad
£941 Return, found 4 days ago
£941
Return
found 4 days ago
Select Emirates flight, departing Fri, 1 May from Houston to Islamabad, returning Sat, 20 Jun, priced at £941 found 4 days ago
Emirates
Tue, 5 May - Mon, 25 May
IAH
Houston
ISB
Islamabad
£944 Return, found 4 days ago
£944
Return
found 4 days ago
Select Emirates flight, departing Tue, 5 May from Houston to Islamabad, returning Mon, 25 May, priced at £944 found 4 days ago
Qatar Airways
Fri, 1 May - Sat, 20 Jun
IAH
Houston
ISB
Islamabad
£949 Return, found 4 days ago
£949
Return
found 4 days ago
Select Qatar Airways flight, departing Fri, 1 May from Houston to Islamabad, returning Sat, 20 Jun, priced at £949 found 4 days ago
Turkish Airlines
Wed, 20 May - Tue, 25 Aug
IAH
Houston
ISB
Islamabad
£1,449 Return, found 1 day ago
£1,449
Return
found 1 day ago
Select Turkish Airlines flight, departing Wed, 20 May from Houston to Islamabad, returning Tue, 25 Aug, priced at £1,449 found 1 day ago
American Airlines
Wed, 20 May - Tue, 25 Aug
IAH
Houston
ISB
Islamabad
£1,555 Return, found 1 day ago
£1,555
Return
found 1 day ago
Select American Airlines flight, departing Wed, 20 May from Houston to Islamabad, returning Tue, 25 Aug, priced at £1,555 found 1 day ago

Alternative airports near Islamabad

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Benazir Bhutto Intl. ISB. Cheapest and Closest option available. Average driving time to city centre is 25 minutes. Flights from £1,084
ISB
Benazir Bhutto Intl.
CheapestClosest
Average driving time to city centre25 min
Flights from £1,084

Frequently asked questions

How much is a flight from Houston Airport to Islamabad Intl. Airport?
The lowest price advertised for a round-trip flight from George Bush Intercontinental Airport (IAH) to Islamabad Intl. Airport (ISB) is £778. But you better act quick. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Houston Airport to Islamabad Intl. Airport (ISB)?
This can vary between air carriers, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find instructions on how to cancel online.
How do I find cheap flights from IAH to Islamabad Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for George Bush Intercontinental Airport (IAH) to ISB flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Houston Airport to Islamabad Intl. Airport (ISB)?
With around 12,900 kilometres separating Houston and Punjab, your flight will be a long one. Pack wisely to make your time in the air comfortable. Simple things like an extra pair of socks and a cosy travel pillow can make a huge difference.
Which airlines fly direct from Houston Airport to Islamabad Intl. Airport (ISB)?
Direct flights aren't available, so you'll have to make at least one stop between Houston Airport and Islamabad International Airport. Make the most of the layover time to stretch your legs and enjoy some personal space.
Are George Bush Intercontinental Airport (IAH) to Islamabad Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Houston Airport to Islamabad International Airport are available up to 12 months before departure on Expedia. And although you may nab a fantastic last-minute deal, it's not something you should count on. Also, booking your flights in advance means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so check back often for all the latest specials.

Frequently asked questions

How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.)?
There are approximately 45 connecting flights per day from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.). Some common connection points include Dallas-Fort Worth Intl. (DFW), Heathrow (LHR), and O'Hare Intl. (ORD).
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.)?
The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines and Qatar Airways. This is a seasonal service active in January, February, and April. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.)?
If you're flying from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.), you'll typically find the most flights on a Sunday, with around 48 flights available. This gives you a good selection of options for your journey. Major airlines on this route include United Airlines, American Airlines, and Qatar Airways. Looking at the overall week, flight options are quite consistent, with only a slight variation of about 10% more flights on the busiest day compared to other days.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.)?
The most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.) are in the evening, from 6pm to 9pm. Approximately 35% of passengers prefer this time window. Many major carriers, including Emirates, American Airlines and Qatar Airways, offer flights during this window. These times work well because you can finish your day before heading to the airport, and you'll typically arrive at your destination in the morning or early afternoon, giving you time to settle in.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.)?
Flying from IAH to ISB with a connection usually takes about 24 hours 50 minutes, traveling roughly 7,979 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.)?
Select the "Business class" and "First class" filters when looking for IAH to ISB flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Islamabad from George Bush Intercontinental (IAH)?
From George Bush Intercontinental (IAH), you can fly directly into Benazir Bhutto Intl. (ISB) to reach Islamabad. Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), Heathrow (LHR), O'Hare Intl. (ORD) before reaching Islamabad. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Islamabad (ISB-Islamabad Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Islamabad Intl.
Airlines serving
American Airlines, British Airways, Pakistan International Airlines, Qatar Airways, Turkish Airlines
Return price
£778
Distance
12765 km

Book with confidence

Compare flights from Houston to Islamabad easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Islamabad. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Islamabad Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental to Islamabad Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from George Bush Intercontinental (IAH) to Islamabad Intl. (ISB)

The easiest way to view the best deals on flights from Houston to Islamabad today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from George Bush Intercontinental to Islamabad Intl. start at just £778 and range up to £1,555.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Houston and Islamabad
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Houston to Islamabad flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Bush Intercontinental to Islamabad Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Houston to Islamabad easily and book with confidence

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