Cheap flights from Houston George Bush Intcntl Airport to Islamabad from $439

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 9/15. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Cheap round-trip flights

Turkish Airlines Logo
9:00 pm - 3:45 amIAH-ISB
20h 45m1 stop
Turkish Airlines Logo
6:15 am - 1:10 pmISB-IAH
41h 55m1 stop
$886Turkish Airlines
Find Deal
Tue, Sep 23 - Tue, Nov 4
Turkish Airlines Logo
2:25 pm - 3:45 amIAH-ISB
27h 20m1 stop
Turkish Airlines Logo
5:25 am - 12:40 pmISB-IAH
41h 15m1 stop
$888Turkish Airlines
Find Deal
Wed, Sep 24 - Thu, Oct 9
Turkish Airlines Logo
9:05 pm - 8:50 amIAH-ISB
24h 45m1 stop
Turkish Airlines Logo
6:15 am - 7:10 pmISB-IAH
23h 55m1 stop
$897Turkish Airlines
Find Deal
Tue, Jan 20 - Mon, Feb 2
Qatar Airways Logo
6:25 pm - 7:40 amIAH-ISB
27h 15m1 stop
Qatar Airways Logo
3:10 am - 3:15 pmISB-IAH
23h 05m1 stop
$942Qatar Airways
Find Deal
Tue, Sep 23 - Mon, Nov 3
Qatar Airways Logo
6:25 pm - 7:40 amIAH-ISB
27h 15m1 stop
Qatar Airways Logo
3:30 am - 3:50 pmISB-IAH
22h 20m1 stop
$943Qatar Airways
Find Deal
Tue, Sep 23 - Tue, Oct 7
Etihad Airways Logo
6:20 am - 6:25 pmIAH-ISB
26h 05m2 stops
Etihad Airways Logo
4:20 am - 4:17 pmISB-IAH
45h 57m2 stops
$957Etihad Airways
Find Deal
Wed, Sep 24 - Thu, Oct 9
Etihad Airways Logo
6:20 am - 6:25 pmIAH-ISB
26h 05m2 stops
Etihad Airways Logo
4:20 am - 11:43 pmISB-IAH
53h 23m2 stops
$958Etihad Airways
Find Deal
Tue, Sep 23 - Wed, Oct 8
 Logo
6:00 am - 3:15 amIAH-ISB
35h 15m2 stops
 Logo
4:20 am - 11:19 pmISB-IAH
28h 59m2 stops
Thu, Oct 9 - Fri, Oct 24
 Logo
6:00 am - 6:15 pmIAH-ISB
25h 15m2 stops
 Logo
4:30 am - 7:22 pmISB-IAH
25h 52m2 stops
$1,001
Find Deal
Mon, Nov 10 - Sun, Nov 23
Emirates Logo
7:55 pm - 7:30 amIAH-ISB
25h 35m1 stop
Emirates Logo
9:20 am - 4:50 pmISB-IAH
41h 30m1 stop
$1,004Emirates
Find Deal
Sun, Sep 21 - Thu, Sep 25

Etihad Airways flights from Houston George Bush Intcntl Airport to Islamabad

Our best Etihad Airways deals on Houston George Bush Intcntl Airport to Islamabad flight tickets
Etihad Airways
Sep 17
IAH6:20 amHouston George Bush Intcntl
34h 55m
2 stops
ISB3:15 amIslamabad Intl
Oct 12
ISB7:35 pmIslamabad Intl
48h 31m
2 stops
IAH10:06 amHouston George Bush Intcntl
Etihad Airways
Sep 17
IAH6:20 amHouston George Bush Intcntl
26h 05m
2 stops
ISB6:25 pmIslamabad Intl
Sep 28
ISB7:35 pmIslamabad Intl
36h 44m
2 stops
IAH10:19 pmHouston George Bush Intcntl
Etihad Airways
Sep 16
IAH6:20 amHouston George Bush Intcntl
26h 05m
2 stops
ISB6:25 pmIslamabad Intl
Sep 24
ISB4:20 amIslamabad Intl
53h 00m
2 stops
IAH11:20 pmHouston George Bush Intcntl

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
Sep 16
IAH6:25 pmHouston George Bush Intcntl
27h 15m
1 stop
ISB7:40 amIslamabad Intl
Nov 20
ISB3:10 amIslamabad Intl
23h 05m
1 stop
IAH3:15 pmHouston George Bush Intcntl
Qatar Airways
Sep 23
IAH6:25 pmHouston George Bush Intcntl
27h 15m
1 stop
ISB7:40 amIslamabad Intl
Oct 7
ISB3:30 amIslamabad Intl
22h 20m
1 stop
IAH3:50 pmHouston George Bush Intcntl
Qatar Airways
Sep 30
IAH6:25 pmHouston George Bush Intcntl
27h 15m
1 stop
ISB7:40 amIslamabad Intl
Oct 22
ISB3:30 amIslamabad Intl
22h 20m
1 stop
IAH3:50 pmHouston George Bush Intcntl

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 September 10, 2025.
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

Tue 9/23

9:00 pm-3:45 am

1 stop20h 45m

Islamabad Intl

Tue 11/4

6:15 am-1:10 pm

1 stop41h 55m

$886

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 9/24

2:25 pm-3:45 am

1 stop27h 20m

Islamabad Intl

Thu 10/9

5:25 am-12:40 pm

1 stop41h 15m

$888

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Tue 1/20

9:05 pm-8:50 am

1 stop24h 45m

Islamabad Intl

Mon 2/2

6:15 am-7:10 pm

1 stop23h 55m

$897

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Tue 9/23

6:25 pm-7:40 am

1 stop27h 15m

Islamabad Intl

Mon 11/3

3:10 am-3:15 pm

1 stop23h 05m

$942

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Tue 9/23

6:25 pm-7:40 am

1 stop27h 15m

Islamabad Intl

Tue 10/7

3:30 am-3:50 pm

1 stop22h 20m

$943

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Wed 9/24

6:20 am-6:25 pm

2 stops26h 05m

Islamabad Intl

Thu 10/9

4:20 am-4:17 pm

2 stops45h 57m

$957

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Tue 9/23

6:20 am-6:25 pm

2 stops26h 05m

Islamabad Intl

Wed 10/8

4:20 am-11:43 pm

2 stops53h 23m

$958

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Thu 10/9

6:00 am-3:15 am

2 stops35h 15m

Islamabad Intl

Fri 10/24

4:20 am-11:19 pm

2 stops28h 59m

$970

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Mon 11/10

6:00 am-6:15 pm

2 stops25h 15m

Islamabad Intl

Sun 11/23

4:30 am-7:22 pm

2 stops25h 52m

$1,001

HoustonIslamabad

IAH - ISB

IAHISB

Houston George Bush Intcntl

Sun 9/21

7:55 pm-7:30 am

1 stop25h 35m

Islamabad Intl

Thu 9/25

9:20 am-4:50 pm

1 stop41h 30m

$1,004

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, September 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 $926. If you aren’t able to travel during the month of September, then book flights to Islamabad from Houston George Bush Intcntl Airport during February instead. Flights to Islamabad in February, while not as cheap as those in September, still average around $972.

What is the cheapest day to depart on your flight to Islamabad?

The cheapest day to depart on your flight to Islamabad is on a Wednesday when prices can be found for as low as $1,052. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Houston George Bush Intcntl Airport to Islamabad for around $1,155.

What is the cheapest time of day to depart on your flight to Islamabad?

Flying to Islamabad from Houston George Bush Intcntl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,089 when looking at flights departing in the afternoon. Flights to Islamabad are more costly in the morning, with an average ticket price of $1,552. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,189 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 $931 on momondo.

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

As of September 2025, prices for Houston George Bush Intcntl Airport to Islamabad flights are approximately 33% 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

Direct flights

None
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.
  • 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 20h 40m 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 $807Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $867Free CancellationRating
7.4
3,626 reviews
Search Qatar Airways flights
EmiratesPriceFrom $952Free CancellationRating
8.1
3,334 reviews
Search Emirates flights
Pakistan International AirlinesPriceFrom $1,092Free CancellationRating
6.2
49 reviews
Search Pakistan International Airlines flights
American AirlinesPriceFrom $1,288Free CancellationRating
7.2
10,000 reviews
Search American 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.

An easier way to manage your Islamabad trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/10
Fri 10/17

Find better results for your trip to Pakistan