$570 Cheap Flights from Washington (DCA) to Islamabad (ISB)

View $570 flight on Tue, May 6, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Islamabad (DCA-ISB)

Prices were available within the past 7 days and start at $570 for one-way flights and $862 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, May 13 - Tue, Jun 24
DCA
Washington
ISB
Islamabad
$862 Roundtrip, found 3 days ago
$862
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 13 from Washington to Islamabad, returning Tue, Jun 24, priced at $862 found 3 days ago
United
Wed, Sep 10 - Wed, Sep 17
DCA
Washington
ISB
Islamabad
$882 Roundtrip, found 1 day ago
$882
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 10 from Washington to Islamabad, returning Wed, Sep 17, priced at $882 found 1 day ago
United
Mon, May 12 - Fri, May 30
DCA
Washington
ISB
Islamabad
$882 Roundtrip, found 7 hours ago
$882
Roundtrip
found 7 hours ago
Select United flight, departing Mon, May 12 from Washington to Islamabad, returning Fri, May 30, priced at $882 found 7 hours ago
United
Tue, May 6 - Tue, Jun 3
DCA
Washington
ISB
Islamabad
$907 Roundtrip, found 4 days ago
$907
Roundtrip
found 4 days ago
Select United flight, departing Tue, May 6 from Washington to Islamabad, returning Tue, Jun 3, priced at $907 found 4 days ago
United
Wed, May 7 - Sun, Jun 1
DCA
Washington
ISB
Islamabad
$927 Roundtrip, found 4 days ago
$927
Roundtrip
found 4 days ago
Select United flight, departing Wed, May 7 from Washington to Islamabad, returning Sun, Jun 1, priced at $927 found 4 days ago
United
Tue, May 13 - Tue, Jun 10
DCA
Washington
ISB
Islamabad
$952 Roundtrip, found 4 days ago
$952
Roundtrip
found 4 days ago
Select United flight, departing Tue, May 13 from Washington to Islamabad, returning Tue, Jun 10, priced at $952 found 4 days ago
Air Canada
Mon, May 12 - Fri, May 30
DCA
Washington
ISB
Islamabad
$1,027 Roundtrip, found 7 hours ago
$1,027
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Mon, May 12 from Washington to Islamabad, returning Fri, May 30, priced at $1,027 found 7 hours ago
Qatar Airways
Mon, Sep 1 - Wed, Oct 1
DCA
Washington
ISB
Islamabad
$1,204 Roundtrip, found 2 days ago
$1,204
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Mon, Sep 1 from Washington to Islamabad, returning Wed, Oct 1, priced at $1,204 found 2 days ago
British Airways
Thu, May 8 - Tue, Jun 3
DCA
Washington
ISB
Islamabad
$1,531 Roundtrip, found 4 days ago
$1,531
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, May 8 from Washington to Islamabad, returning Tue, Jun 3, priced at $1,531 found 4 days ago
Emirates
Tue, Oct 28 - Tue, Jan 27
DCA
Washington
ISB
Islamabad
$1,536 Roundtrip, found 1 hour ago
$1,536
Roundtrip
found 1 hour ago
Select Emirates flight, departing Tue, Oct 28 from Washington to Islamabad, returning Tue, Jan 27, priced at $1,536 found 1 hour ago
Flights from Washington (DCA) to Islamabad (ISB)
Origin airport
Ronald Reagan Washington National
Destination airport
Islamabad Intl.
Airlines serving
Air Canada, American Airlines, British Airways, Emirates, Qatar Airways
Roundtrip price
$861
Distance
7074 mi

Washington to Islamabad Flights

The cheapest times to fly from Washington to Islamabad

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Islamabad are during the month of May. You can find some of the cheapest flights from Washington to Islamabad with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Islamabad

Sunday is one of the best days to book for cheap flights from Washington to Islamabad: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Islamabad

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Islamabad in 2025. You can also book with separate airlines for your outbound and return journeys, from $570 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Islamabad flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Islamabad airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Islamabad Intl. Airport (ISB) cost?
Discover the latest flight deals from DCA to ISB by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DCA to ISB?
The cheapest flights from DCA to ISB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DCA to ISB?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from DCA to ISB. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Islamabad Intl. Airport (ISB)?
You’ll need to take a flight with a layover if you’re traveling from Ronald Reagan Washington National Airport (DCA) to Islamabad Intl. Airport (ISB). Direct flights don’t operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from DCA to ISB?
You’ll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Islamabad Intl. Airport (ISB)?
Select a flight from Ronald Reagan Washington National Airport (DCA) to Islamabad Intl. Airport (ISB) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Islamabad Intl. Airport (ISB) last-minute?
Booking your plane ticket from DCA to ISB shortly before your getaway is typically more expensive. However, if you’re flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a DCA to ISB flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to ISB flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Islamabad Intl. Airport (ISB)?
It’s usually possible to cancel or reschedule your DCA to ISB flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.