Cheap Flights from Washington (IAD) to Islamabad (ISB)

Popular airlines from Washington Dulles International Airport (IAD) to Benazir Bhutto Intl. Airport (ISB)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 35% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Cheap Flights from Washington (IAD) to Islamabad (ISB)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.) cost?
One-way flights typically cost between $2,427 and $12,013 and return flights often range between $3,432 and $17,732. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) 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 Washington, DC (IAD-Washington Dulles Intl.) 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 Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.)?
There are approximately 49 connecting flights per day from Washington Dulles Intl. (IAD) to Islamabad (ISB). Some common connection points include Heathrow (LHR), (DUB), and Pearson Intl. (YYZ).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.)?
The earliest flight from Washington Dulles Intl. (IAD) to Islamabad (ISB) typically departs at approximately 5:00 AM local time. This service is offered by American Airlines and Etihad Airways. This is a seasonal service active in March and April. An early departure like this can help you maximize 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 Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.)?
You'll typically find the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.) on a Thursday, with around 45 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Qatar Airways, and British Airways.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.)?
The most popular departure times for flights from Washington Dulles Intl. (IAD) to Islamabad (ISB) are in the late evening, from 9pm to midnight. About 25% of passengers prefer this time. Many major carriers, including British Airways, Qatar Airways and Turkish Airlines, offer flights during this window. This timing works well because you can maximize your day before your flight and arrive in Islamabad ready to start your journey.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.)?
A flight from IAD to ISB with a layover takes around 19 hours 50 minutes, with the route covering approximately 7,081 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 Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.)?
Select the "Business class" and "First class" filters when looking for IAD 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 Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) 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 Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly into Benazir Bhutto Intl. (ISB) to reach Islamabad. Some flights may connect through major hubs like Heathrow (LHR), Pearson Intl. (YYZ), DUB (DUB) 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 Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) 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 Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) 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 Washington, DC (IAD-Washington Dulles Intl.) to Islamabad (ISB-Islamabad Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) 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
Washington Dulles Intl.
Destination airport
Islamabad Intl.
Distance
11323 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.