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Cheap flights from Houston George Bush Intcntl Airport to Islamabad from $440

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Islamabad departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston George Bush Intcntl Airport to Islamabad

Cheap round-trip flights

Enter your travel dates to find the best prices.
Emirates Logo
7:35 pm - 7:30 am
IAH
-
ISB
25h 55m
1 stop
Emirates Logo
9:25 am - 4:50 pm
ISB
-
IAH
41h 25m
1 stop
$974Emirates
Tue, Aug 25 - Fri, Oct 9
Emirates Logo
7:35 pm - 7:30 am
IAH
-
ISB
25h 55m
1 stop
Emirates Logo
9:25 am - 4:50 pm
ISB
-
IAH
41h 25m
1 stop
$992Emirates
Wed, Oct 7 - Thu, Oct 22
Emirates Logo
7:10 pm - 7:15 am
IAH
-
ISB
25h 05m
1 stop
Emirates Logo
9:00 am - 4:20 pm
ISB
-
IAH
42h 20m
1 stop
$993Emirates
Wed, Jan 6 - Wed, Feb 10
Emirates Logo
7:10 pm - 7:15 am
IAH
-
ISB
25h 05m
1 stop
Emirates Logo
9:00 am - 4:20 pm
ISB
-
IAH
42h 20m
1 stop
$994Emirates
Wed, Jan 6 - Wed, Feb 10
Qatar Airways Logo
6:15 pm - 7:40 am
IAH
-
ISB
27h 25m
1 stop
Qatar Airways Logo
3:30 am - 3:55 pm
ISB
-
IAH
22h 25m
1 stop
$1,005Qatar Airways
Sun, Aug 23 - Tue, Oct 6
Qatar Airways Logo
6:15 pm - 7:40 am
IAH
-
ISB
27h 25m
1 stop
Qatar Airways Logo
3:30 am - 3:55 pm
ISB
-
IAH
22h 25m
1 stop
$1,015Qatar Airways
Mon, Aug 24 - Wed, Oct 7
Qatar Airways Logo
6:15 pm - 1:50 am
IAH
-
ISB
21h 35m
1 stop
Qatar Airways Logo
8:55 am - 3:15 pm
ISB
-
IAH
41h 20m
1 stop
$1,017Qatar Airways
Sun, Sep 27 - Wed, Nov 18
Etihad Airways Logo
11:45 am - 6:25 pm
IAH
-
ISB
44h 40m
2 stops
Etihad Airways Logo
7:45 pm - 4:20 pm
ISB
-
IAH
30h 35m
2 stops
$1,020Etihad Airways
Tue, Sep 22 - Tue, Oct 20
Emirates Logo
7:35 pm - 7:30 am
IAH
-
ISB
25h 55m
1 stop
Emirates Logo
9:25 am - 4:50 pm
ISB
-
IAH
41h 25m
1 stop
$1,023Emirates
Tue, Sep 15 - Sat, Oct 3
Emirates Logo
7:35 pm - 7:30 am
IAH
-
ISB
25h 55m
1 stop
Emirates Logo
9:25 am - 4:50 pm
ISB
-
IAH
41h 25m
1 stop
$1,024Emirates
Tue, Sep 15 - Sat, Oct 3

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Emirates flights from Houston George Bush Intcntl Airport to Islamabad

Our best Emirates deals on Houston George Bush Intcntl Airport to Islamabad flight tickets
Emirates
Aug 25
IAH7:35 pmHouston George Bush Intcntl
25h 55m
1 stop
ISB7:30 amIslamabad Intl
Oct 9
ISB9:25 amIslamabad Intl
41h 25m
1 stop
IAH4:50 pmHouston George Bush Intcntl
$974
Emirates
Oct 7
IAH7:35 pmHouston George Bush Intcntl
25h 55m
1 stop
ISB7:30 amIslamabad Intl
Oct 22
ISB9:25 amIslamabad Intl
41h 25m
1 stop
IAH4:50 pmHouston George Bush Intcntl
$992
Emirates
Jan 6
IAH7:10 pmHouston George Bush Intcntl
25h 05m
1 stop
ISB7:15 amIslamabad Intl
Feb 10
ISB9:00 amIslamabad Intl
42h 20m
1 stop
IAH4:20 pmHouston George Bush Intcntl
$993

Turkish Airlines flights from Houston George Bush Intcntl Airport to Islamabad

Our best Turkish Airlines deals on Houston George Bush Intcntl Airport to Islamabad flight tickets
Turkish Airlines
Oct 7
IAH9:10 pmHouston George Bush Intcntl
20h 25m
1 stop
ISB3:35 amIslamabad Intl
Oct 22
ISB3:30 pmIslamabad Intl
31h 15m
2 stops
IAH12:45 pmHouston George Bush Intcntl
$1,087
Turkish Airlines
Oct 6
IAH9:10 pmHouston George Bush Intcntl
31h 20m
2 stops
ISB2:30 pmIslamabad Intl
Oct 23
ISB5:05 amIslamabad Intl
24h 10m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$1,088
Turkish Airlines
Aug 10
IAH2:30 pmHouston George Bush Intcntl
27h 05m
1 stop
ISB3:35 amIslamabad Intl
Aug 25
ISB9:15 amIslamabad Intl
44h 00m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$1,091

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated July 12, 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

Price

Cheapest round-trip

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Tue 8/25

7:35 pm-7:30 am

1 stop25h 55m

Islamabad Intl

Fri 10/9

9:25 am-4:50 pm

1 stop41h 25m

$974

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 10/7

7:35 pm-7:30 am

1 stop25h 55m

Islamabad Intl

Thu 10/22

9:25 am-4:50 pm

1 stop41h 25m

$992

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 1/6

7:10 pm-7:15 am

1 stop25h 05m

Islamabad Intl

Wed 2/10

9:00 am-4:20 pm

1 stop42h 20m

$993

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 1/6

7:10 pm-7:15 am

1 stop25h 05m

Islamabad Intl

Wed 2/10

9:00 am-4:20 pm

1 stop42h 20m

$994
Quickest round-trip

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Sun 8/23

6:15 pm-7:40 am

1 stop27h 25m

Islamabad Intl

Tue 10/6

3:30 am-3:55 pm

1 stop22h 25m

$1,005

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Mon 8/24

6:15 pm-7:40 am

1 stop27h 25m

Islamabad Intl

Wed 10/7

3:30 am-3:55 pm

1 stop22h 25m

$1,015

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Sun 9/27

6:15 pm-1:50 am

1 stop21h 35m

Islamabad Intl

Wed 11/18

8:55 am-3:15 pm

1 stop41h 20m

$1,017

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Tue 9/22

11:45 am-6:25 pm

2 stops44h 40m

Islamabad Intl

Tue 10/20

7:45 pm-4:20 pm

2 stops30h 35m

$1,020

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Tue 9/15

7:35 pm-7:30 am

1 stop25h 55m

Islamabad Intl

Sat 10/3

9:25 am-4:50 pm

1 stop41h 25m

$1,023

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Tue 9/15

7:35 pm-7:30 am

1 stop25h 55m

Islamabad Intl

Sat 10/3

9:25 am-4:50 pm

1 stop41h 25m

$1,024

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Islamabad from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Islamabad

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Islamabad?

What is the cheapest month to fly to Islamabad?

In general, March is the cheapest month to fly from Houston George Bush Intcntl Airport to Islamabad. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $883. If you aren’t able to travel during the month of March, then book flights to Islamabad from Houston George Bush Intcntl Airport during September instead. Flights to Islamabad in September, while not as cheap as those in March, still average around $918.

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Islamabad?

You are more likely to see cheaper flights to Islamabad from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Islamabad for around $1,139 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Islamabad from Houston George Bush Intcntl Airport for as low as $934 on momondo.

Can stopping save me money on Houston George Bush Intcntl Airport to Islamabad flights?

You could potentially save up to 13% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Islamabad flight.

How have Houston George Bush Intcntl Airport to Islamabad flight prices changed over time?

As of July 2026, prices for Houston George Bush Intcntl Airport to Islamabad flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Islamabad

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Islamabad according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Islamabad (IAH to ISB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Islamabad

Fastest flight time

19h 20m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Islamabad takes 19h 20m
There are no direct flights from Houston George Bush Intcntl Airport to Islamabad. There are no popular flight routes from Houston George Bush Intcntl Airport to Islamabad.
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Islamabad

  • How far is Houston George Bush Intcntl to Islamabad Intl by plane?

    The straight-line distance from Houston George Bush Intcntl to Islamabad Intl is 7964.4 mi. Typically, this will take 19h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Islamabad Intl Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Islamabad Intl Airport refresh daily.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Islamabad Intl Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Islamabad Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Islamabad Intl Airport.

  • What documentation or ID do you need to fly to Islamabad Intl Airport?

    The necessary travel and health documents for your Islamabad Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Houston George Bush Intcntl Airport to Islamabad?

Best airlines flying from Houston George Bush Intcntl Airport to Islamabad

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Islamabad with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $784Free CancellationRating
7.4
4,442 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $866Free CancellationRating
7.4
3,745 reviews
Search Qatar Airways flights
EmiratesPriceFrom $918Free CancellationRating
8.1
3,613 reviews
Search Emirates flights

Traveling to a place near Islamabad?

Book flights to Islamabad if you plan to visit one of these locations
Murree
Rawalpindi

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Islamabad?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Islamabad. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to Islamabad with flexible booking policies on momondo?

Yes. All flights to Islamabad from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Houston to Islamabad?

momondo provides multiple filters to help you find the best flight to Islamabad from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Houston to Islamabad right now. Can momondo alert me if prices change?

Price alerts on flights to Islamabad from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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