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Cheap flights from Houston George Bush Intcntl Airport to Islamabad from $435

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 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Turkish Airlines Logo
10:05 pm - 4:45 am
IAH
-
ISB
20h 40m
1 stop
Turkish Airlines Logo
9:15 am - 12:45 pm
ISB
-
IAH
37h 30m
1 stop
$936Turkish Airlines
Wed, Mar 18 - Thu, Apr 2
Multiple Airlines Logo
10:11 am - 6:25 pm
IAH
-
ISB
22h 14m
2 stops
Multiple Airlines Logo
7:45 pm - 5:21 pm
ISB
-
IAH
31h 36m
2 stops
$942Multiple Airlines
Wed, Apr 1 - Sun, Apr 12
Turkish Airlines Logo
9:05 pm - 2:20 pm
IAH
-
ISB
30h 15m
2 stops
Turkish Airlines Logo
6:15 am - 7:10 pm
ISB
-
IAH
23h 55m
1 stop
$947Turkish Airlines
Thu, Feb 12 - Fri, Feb 27
Turkish Airlines Logo
3:55 pm - 4:45 am
IAH
-
ISB
50h 50m
1 stop
Turkish Airlines Logo
9:15 am - 12:45 pm
ISB
-
IAH
37h 30m
1 stop
$956Turkish Airlines
Wed, Mar 18 - Thu, Apr 2
Turkish Airlines Logo
3:55 pm - 4:45 am
IAH
-
ISB
26h 50m
1 stop
Turkish Airlines Logo
9:15 am - 12:45 pm
ISB
-
IAH
37h 30m
1 stop
$957Turkish Airlines
Wed, Mar 25 - Sun, Jul 5
Turkish Airlines Logo
9:05 pm - 3:20 am
IAH
-
ISB
20h 15m
1 stop
Turkish Airlines Logo
4:50 am - 7:10 pm
ISB
-
IAH
48h 20m
1 stop
$964Turkish Airlines
Tue, Jul 21 - Mon, Aug 31
Turkish Airlines Logo
10:05 pm - 4:45 am
IAH
-
ISB
20h 40m
1 stop
Turkish Airlines Logo
4:50 am - 7:10 pm
ISB
-
IAH
24h 20m
1 stop
$974Turkish Airlines
Wed, Mar 18 - Wed, Apr 1
Qatar Airways Logo
6:45 pm - 7:25 am
IAH
-
ISB
26h 40m
1 stop
Qatar Airways Logo
9:25 am - 3:55 pm
ISB
-
IAH
40h 30m
1 stop
$980Qatar Airways
Sun, Mar 15 - Sun, Apr 5
Turkish Airlines Logo
10:05 pm - 4:45 am
IAH
-
ISB
44h 40m
1 stop
Turkish Airlines Logo
4:50 am - 7:10 pm
ISB
-
IAH
24h 20m
1 stop
$984Turkish Airlines
Wed, Mar 18 - Wed, Apr 1
Etihad Airways Logo
10:11 am - 6:10 pm
IAH
-
ISB
21h 59m
2 stops
Etihad Airways Logo
4:50 am - 5:55 pm
ISB
-
IAH
47h 05m
2 stops
$988Etihad Airways
Wed, Mar 25 - Sun, Jul 5

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
Mar 18
IAH10:05 pmHouston George Bush Intcntl
20h 40m
1 stop
ISB4:45 amIslamabad Intl
Apr 2
ISB9:15 amIslamabad Intl
37h 30m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$936
Turkish Airlines
Feb 12
IAH9:05 pmHouston George Bush Intcntl
30h 15m
2 stops
ISB2:20 pmIslamabad Intl
Feb 27
ISB6:15 amIslamabad Intl
23h 55m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$947
Turkish Airlines
Mar 18
IAH3:55 pmHouston George Bush Intcntl
50h 50m
1 stop
ISB4:45 amIslamabad Intl
Apr 2
ISB9:15 amIslamabad Intl
37h 30m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$956

Qatar Airways flights from Houston George Bush Intcntl Airport to Islamabad

Our best Qatar Airways deals on Houston George Bush Intcntl Airport to Islamabad flight tickets
Qatar Airways
Mar 15
IAH6:45 pmHouston George Bush Intcntl
26h 40m
1 stop
ISB7:25 amIslamabad Intl
Apr 5
ISB9:25 amIslamabad Intl
40h 30m
1 stop
IAH3:55 pmHouston George Bush Intcntl
$980
Qatar Airways
Feb 3
IAH5:45 pmHouston George Bush Intcntl
26h 40m
1 stop
ISB7:25 amIslamabad Intl
Feb 11
ISB3:10 amIslamabad Intl
23h 05m
1 stop
IAH3:15 pmHouston George Bush Intcntl
$993
Qatar Airways
Feb 3
IAH5:45 pmHouston George Bush Intcntl
20h 55m
1 stop
ISB1:40 amIslamabad Intl
Feb 16
ISB8:55 amIslamabad Intl
41h 20m
1 stop
IAH3:15 pmHouston George Bush Intcntl
$1,003

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 January 29, 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

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 3/18

10:05 pm-4:45 am

1 stop20h 40m

Islamabad Intl

Thu 4/2

9:15 am-12:45 pm

1 stop37h 30m

$936

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 4/1

10:11 am-6:25 pm

2 stops22h 14m

Islamabad Intl

Sun 4/12

7:45 pm-5:21 pm

2 stops31h 36m

$942

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Thu 2/12

9:05 pm-2:20 pm

2 stops30h 15m

Islamabad Intl

Fri 2/27

6:15 am-7:10 pm

1 stop23h 55m

$947

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 3/18

3:55 pm-4:45 am

1 stop50h 50m

Islamabad Intl

Thu 4/2

9:15 am-12:45 pm

1 stop37h 30m

$956

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 3/25

3:55 pm-4:45 am

1 stop26h 50m

Islamabad Intl

Sun 7/5

9:15 am-12:45 pm

1 stop37h 30m

$957

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Tue 7/21

9:05 pm-3:20 am

1 stop20h 15m

Islamabad Intl

Mon 8/31

4:50 am-7:10 pm

1 stop48h 20m

$964

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 3/18

10:05 pm-4:45 am

1 stop20h 40m

Islamabad Intl

Wed 4/1

4:50 am-7:10 pm

1 stop24h 20m

$974

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Sun 3/15

6:45 pm-7:25 am

1 stop26h 40m

Islamabad Intl

Sun 4/5

9:25 am-3:55 pm

1 stop40h 30m

$980

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 3/18

10:05 pm-4:45 am

1 stop44h 40m

Islamabad Intl

Wed 4/1

4:50 am-7:10 pm

1 stop24h 20m

$984

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 3/25

10:11 am-6:10 pm

2 stops21h 59m

Islamabad Intl

Sun 7/5

4:50 am-5:55 pm

2 stops47h 05m

$988

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 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 $884. 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 $914.

How far in advance should I book a flight 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 $1,168 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 $999 on momondo.

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

As of January 2026, prices for Houston George Bush Intcntl Airport to Islamabad flights are approximately 3% 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

  • 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
7.3
4,208 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $867Free CancellationRating
7.4
3,727 reviews
Search Qatar Airways flights
EmiratesPriceFrom $945Free CancellationRating
8.1
3,490 reviews
Search Emirates flights
Pakistan International AirlinesPriceFrom $1,264Free CancellationRating
6.4
52 reviews
Search Pakistan International Airlines 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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