HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islamabad

$368+ Cheap flights from Dulles Intl (IAD) to Islamabad (ISB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ISB
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Islamabad with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Islamabad Intl are usually found in September or October, booked 58 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

Cheap flight deals from Dulles Intl to Islamabad

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Islamabad (ISB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 9, 2025.

Round-trip from

$849
(Etihad Airways)

One-way from

$368
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,266
From Washington, D.C. Dulles Intl to Islamabad Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Islamabad Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Dulles Intl to Islamabad

Cheapest flights from Dulles Intl to Islamabad
Explore the most affordable flight options available from Dulles Intl to Islamabad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2025.

This Etihad Airways deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:05 pmIAD - ISB
1 stop20h 10mEtihad Airways
Thu 10/167:35 pmISB - IAD
1 stop29h 35mEtihad Airways
Deal found 7/7$849
This FlightHub deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:40 pmIAD - ISB
1 stop25h 15mTurkish Airlines
Wed 11/1910:20 amISB - IAD
1 stop18h 55mTurkish Airlines
Deal found 7/8$850
This oojo deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:00 pmIAD - ISB
1 stop19h 50mQatar Airways
Sat 10/253:10 amISB - IAD
1 stop22h 45mQatar Airways
Deal found 7/8$855
This JetBlue deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:05 pmIAD - ISB
1 stop19h 35mJetBlue
Sat 1/243:10 amISB - IAD
1 stop22h 45mJetBlue
Deal found 7/8$908
This Trip.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/216:50 pmIAD - ISB
1 stop28h 20mSAUDIA
Wed 9/35:50 pmISB - IAD
1 stop30h 55mSAUDIA
Deal found 7/6$917
This CheapOair deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:30 pmIAD - ISB
1 stop33h 25mMultiple Airlines
Tue 9/98:50 amISB - IAD
2 stops35h 55mMultiple Airlines
Deal found 7/8$921

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 9, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Islamabad that are best for you.

Fly from

Dulles Intl

Fly to

Islamabad

Route

Depart

Return

Price

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Sun 9/28

10:05 pm-3:15 am

1 stop20h 10m

Islamabad Intl

Mon 10/13

7:35 pm-4:10 pm

1 stop29h 35m

$849

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Thu 10/2

9:00 pm-1:50 am

1 stop19h 50m

Islamabad Intl

Sat 10/25

3:10 am-4:55 pm

1 stop22h 45m

$855

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Fri 9/5

1:30 pm-7:55 am

1 stop33h 25m

Islamabad Intl

Fri 10/10

5:25 am-11:45 am

1 stop39h 20m

$859

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Mon 7/21

6:50 pm-8:10 am

1 stop28h 20m

Islamabad Intl

Wed 9/3

5:50 pm-3:45 pm

1 stop30h 55m

$917

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Wed 9/3

9:40 pm-10:50 am

2 stops28h 10m

Islamabad Intl

Fri 10/3

5:25 am-11:45 am

1 stop39h 20m

$921

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Sun 8/17

9:40 pm-3:45 am

1 stop21h 05m

$368

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Mon 7/28

10:05 pm-3:15 am

1 stop20h 10m

$386

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Tue 7/29

11:00 am-1:50 am

1 stop29h 50m

$392

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Mon 8/25

9:40 pm-10:55 am

2 stops28h 15m

$410

Washington, D.C.Islamabad

IAD - ISB

IADISB

Washington, D.C. Dulles Intl

Fri 7/18

6:50 pm-8:10 am

1 stop28h 20m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Best time to book a flight from Dulles Intl to Islamabad

Have a flexible travel schedule? Discover the best time to fly to Islamabad from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Islamabad

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Islamabad?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Islamabad. Price data was last updated on June 27, 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Islamabad. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Islamabad?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Islamabad (average of $911). Flying from Washington, D.C. Dulles Intl Airport to Islamabad in December is currently the most expensive (average of $1,493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to ISB?

Find hourly flight availability from Dulles Intl to Islamabad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 9, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Islamabad is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 27% on airfare.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Islamabad?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Islamabad. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Islamabad flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Islamabad

Get insights into the airlines that provide service to Islamabad. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islamabad. Reviews last updated July 9, 2025.
See what other customers who have flown with Qatar Airways, SAUDIA, and Etihad Airways from Washington, D.C. Dulles Intl Airport to Islamabad have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,591 reviews

Boarding

7.5

Overall

7.4

Comfort

7.4

Food

7.3

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Qatar Airways
7.4
Good
3,591 reviews
Qatar Airways
7.4
Good
3,591 reviews

Boarding

7.5

Overall

7.4

Comfort

7.4

Food

7.3

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
SAUDIA
7.4
Good
619 reviews
Qatar Airways
7.4
Good
3,591 reviews

Boarding

7.5

Overall

7.4

Comfort

7.4

Food

7.3

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Etihad Airways
7.4
Good
1,222 reviews
Qatar Airways
7.4
Good
3,591 reviews

Boarding

7.5

Overall

7.4

Comfort

7.4

Food

7.3

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
JetBlue
7.3
Good
2,909 reviews
Qatar Airways
7.4
Good
3,591 reviews

Boarding

7.5

Overall

7.4

Comfort

7.4

Food

7.3

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Turkish Airlines
7.3
Good
3,896 reviews
Qatar Airways
7.4
Good
3,591 reviews

Boarding

7.5

Overall

7.4

Comfort

7.4

Food

7.3

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Islamabad. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islamabad from Washington, D.C. Dulles Intl?

    For a flight from Washington, D.C. Dulles Intl to Islamabad, you will be flying into Islamabad Intl. Islamabad Intl (ISB) is just 19.7 mi from the center of the city. Islamabad Intl is the only Islamabad airport and it handles 0 inbound flights from Washington, D.C. Dulles Intl per day. 7 airlines have flights to Islamabad Intl from Washington, D.C. Dulles Intl on a regular basis.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Islamabad round-trip?

    According to our current data, Etihad Airways ($849), Turkish Airlines ($850), and Qatar Airways ($855) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Islamabad. Users have found that Etihad Airways is 15% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Islamabad one-way?

    $368 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Etihad Airways and Qatar Airways, with prices starting from $386 and $392, respectively.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Islamabad?

    Washington, D.C. Dulles Intl Airport to Islamabad flights have a layover in Istanbul most often. Abu Dhabi sees the second most layovers for non-direct flights flying from Washington, D.C. Dulles Intl Airport to Islamabad. Doha sees the third most layovers on flights from Washington, D.C. Dulles Intl Airport to Islamabad.

  • What are some popular things to do or see while on a layover in Istanbul?

    The majority of Istanbul visitors spend their time at Taksim Square, Sultan Ahmet Camii, and Beyazit Meydani. Taksim Square, Sultan Ahmet Camii and Beyazit Meydani are located about 20.8 mi, 22.3 mi, and 21.7 mi, respectively from Istanbul if you are interested in checking them out. Those looking to explore during their layover in Istanbul can rent a car from Istanbul for about $48 per day.

  • What are some popular points of interest to see during a layover in Abu Dhabi?

    If you're on a layover in Abu Dhabi and looking for things to do, consider visiting Emirates Palace, Emirates Park Zoo, or Ferrari World Abu Dhabi. Travelers on a layover in Abu Dhabi can visit Emirates Palace, Emirates Park Zoo, and Ferrari World Abu Dhabi, by traveling 21.1 mi, 7.9 mi, and 4.5 mi, respectively after landing at Abu Dhabi Zayed Intl. Those landing in Abu Dhabi looking to spend some time exploring during their layover can rent a car for about $25 per day.

  • What are points of interest worth seeing during a layover in Doha?

    Museum of Islamic Art, Katara Cultural Village, and Aspire Tower are currently the most popular points of interest in Doha. Museum of Islamic Art, Katara Cultural Village, and Aspire Tower can be visited by traveling about 5.2 mi, 8.7 mi, and 10.6 mi respectively from Doha Hamad Intl. Those on a layover in Doha in need of a rental car can book one at Doha Hamad Intl for about $24.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Islamabad flights?

    Flights departing from Washington, D.C. Dulles Intl Airport and landing in Islamabad layover in Riyadh least frequently. Jeddah follows Riyadh in terms of the least common layover location on Washington, D.C. Dulles Intl Airport to Islamabad flights.

  • Can I find deals for flights from Dulles Intl to Islamabad that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Islamabad flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Islamabad?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Islamabad.

  • Can I find deals for business class flights from Dulles Intl to Islamabad?

    Yes. Cheapflights offers flight deals from Dulles Intl to Islamabad by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Islamabad?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Islamabad (average of $911). Flying from Washington, D.C. Dulles Intl Airport to Islamabad in December is currently the most expensive (average of $1,493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Murree
Rawalpindi

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Dulles Intl to Islamabad

Discover the top 7 airlines that operate flights from Dulles Intl to Islamabad. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest$643Average$901FlexibilityNo cancel feeOn-time86%
Turkish AirlinesCheapest$656Average$837FlexibilityNo cancel feeOn-time77%
Etihad AirwaysCheapest$768Average$1,095FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$792Average$1,000FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$887Average$1,049FlexibilityNo cancel feeOn-time71%
EmiratesCheapest$899Average$1,176FlexibilityNo cancel feeOn-time75%
Pakistan International AirlinesCheapest$1,076Average$1,416FlexibilityNo cancel feeOn-time50%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.