Cheap flights from Washington, D.C. Dulles Intl Airport to Islamabad

IAD — ISB
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 Tuesday or Wednesday and return on a Friday

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 12 September 2025.

Popular in

December

Cheapest in

September

Average price

£591
Highest demand for flights based on searches. 6% potential increase in price (£35 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Average for round-trip flights in September 2025

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 return 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 return flight from Dulles Intl to Islamabad. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Islamabad, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £746). Flying from Washington, D.C. Dulles Intl Airport to Islamabad in July is currently the most expensive (average of £1,107). 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.

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 12 September 2025.
Read reviews from past customers who have flown with SAUDIA and Etihad Airways from Washington, D.C. Dulles Intl Airport to Islamabad. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.5

Entertainment

7.1

Overall

7.4

Food

7.1

Crew

7.9

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Kamal,Apr 2025

CAI - RUH

One of the best airline you can fly on from the checking in, the boarding, in flight entertainment and flight services duty free on board duty free on time arrival, etc. Keep up the excellent work

Comfort

7.5

Entertainment

7.1

Overall

7.4

Food

7.1

Crew

7.9

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Kamal,Apr 2025

CAI - RUH

One of the best airline you can fly on from the checking in, the boarding, in flight entertainment and flight services duty free on board duty free on time arrival, etc. Keep up the excellent work

Comfort

7.5

Entertainment

7.1

Overall

7.4

Food

7.1

Crew

7.9

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Kamal,Apr 2025

CAI - RUH

One of the best airline you can fly on from the checking in, the boarding, in flight entertainment and flight services duty free on board duty free on time arrival, etc. Keep up the excellent work

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?

    Located just 19.7 mi from the city center, Islamabad Intl is the airport most travelers will use when flying to Islamabad from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Islamabad Intl (ISB) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 2 different airlines.

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

    According to our current data, SAUDIA (£562), and Etihad Airways (£567) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Islamabad. These flights start at 23% lower than the current average price 3 months from now.

  • 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 holiday 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 £746). Flying from Washington, D.C. Dulles Intl Airport to Islamabad in July is currently the most expensive (average of £1,107). 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

Travelling to a place near Islamabad?

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

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Complete your trip

Complete your trip to Islamabad by adding a car hire and/or hotel booking to your travel itinerary.

Top 2 airlines flying from Dulles Intl to Islamabad

Discover the top 2 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 858,174 searches. Data last updated 12 September 2025.
AirlineCheapestAverageFlexibilityOn-time
SAUDIACheapest£562Average£664FlexibilityNo cancel feeOn-time86%
Search SAUDIA flights
Etihad AirwaysCheapest£567Average£709FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

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How does Cheapflights help users find flights from Dulles Intl to Islamabad?

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Can Cheapflights find flights from Dulles Intl to Islamabad with no change fees?

Need flexible booking options for your flight to Islamabad from Dulles Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Dulles Intl to Islamabad become cheaper?

Not ready to book yet? You can track prices for flights from Dulles Intl to Islamabad on Cheapflights with our Price Alert feature and get notified when better prices are available.

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