$769 Cheap Flights from Penang (PEN) to Washington (IAD)

View $769 flight on Tue, Sep 16, 2025Opens in a new window

Popular airlines from Penang Intl. Airport (PEN) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Penang to Washington (PEN-IAD)

Prices were available within the past 7 days and start at $769 for one-way flights and $1,501 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Malaysia Airlines
Fri, Jul 18 - Wed, Jul 23
PEN
Penang
IAD
Washington
$1,501 Roundtrip, found 5 days ago
$1,501
Roundtrip
found 5 days ago
Select Malaysia Airlines flight, departing Fri, Jul 18 from Penang to Washington, returning Wed, Jul 23, priced at $1,501 found 5 days ago
Batik air
Fri, Jul 18 - Wed, Jul 23
PEN
Penang
IAD
Washington
$1,506 Roundtrip, found 5 days ago
$1,506
Roundtrip
found 5 days ago
Select Batik air flight, departing Fri, Jul 18 from Penang to Washington, returning Wed, Jul 23, priced at $1,506 found 5 days ago
Malaysia Airlines
Fri, Jul 18 - Wed, Jul 23
PEN
Penang
IAD
Washington
$1,528 Roundtrip, found 5 days ago
$1,528
Roundtrip
found 5 days ago
Select Malaysia Airlines flight, departing Fri, Jul 18 from Penang to Washington, returning Wed, Jul 23, priced at $1,528 found 5 days ago
Batik air
Thu, Jul 10 - Fri, Jul 18
PEN
Penang
IAD
Washington
$1,533 Roundtrip, found 2 days ago
$1,533
Roundtrip
found 2 days ago
Select Batik air flight, departing Thu, Jul 10 from Penang to Washington, returning Fri, Jul 18, priced at $1,533 found 2 days ago
Batik air
Fri, Jul 11 - Fri, Jul 18
PEN
Penang
IAD
Washington
$1,553 Roundtrip, found 2 days ago
$1,553
Roundtrip
found 2 days ago
Select Batik air flight, departing Fri, Jul 11 from Penang to Washington, returning Fri, Jul 18, priced at $1,553 found 2 days ago
Batik air
Fri, Jul 11 - Fri, Jul 18
PEN
Penang
IAD
Washington
$1,580 Roundtrip, found 2 days ago
$1,580
Roundtrip
found 2 days ago
Select Batik air flight, departing Fri, Jul 11 from Penang to Washington, returning Fri, Jul 18, priced at $1,580 found 2 days ago
Malaysia Airlines
Thu, Aug 21 - Thu, Aug 28
PEN
Penang
IAD
Washington
$1,596 Roundtrip, found 3 hours ago
$1,596
Roundtrip
found 3 hours ago
Select Malaysia Airlines flight, departing Thu, Aug 21 from Penang to Washington, returning Thu, Aug 28, priced at $1,596 found 3 hours ago
Cathay Pacific
Thu, Aug 21 - Thu, Aug 28
PEN
Penang
IAD
Washington
$1,667 Roundtrip, found 3 hours ago
$1,667
Roundtrip
found 3 hours ago
Select Cathay Pacific flight, departing Thu, Aug 21 from Penang to Washington, returning Thu, Aug 28, priced at $1,667 found 3 hours ago
China Airlines
Sat, Aug 16 - Sat, Aug 23
PEN
Penang
IAD
Washington
$1,671 Roundtrip, found 4 days ago
$1,671
Roundtrip
found 4 days ago
Select China Airlines flight, departing Sat, Aug 16 from Penang to Washington, returning Sat, Aug 23, priced at $1,671 found 4 days ago
Qatar Airways
Fri, Jul 18 - Wed, Jul 23
PEN
Penang
IAD
Washington
$1,888 Roundtrip, found 5 days ago
$1,888
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Fri, Jul 18 from Penang to Washington, returning Wed, Jul 23, priced at $1,888 found 5 days ago
Flights from Penang (PEN) to Washington (IAD)
Origin airport
Penang Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
$1,500
Distance
9375 mi

Penang to Washington Flights

The cheapest times to fly from Penang to Washington

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 Penang to Washington are during the month of July. You can find some of the cheapest flights from Penang to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Penang to Washington

Sunday is one of the best days to book for cheap flights from Penang to Washington: 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 Penang to Washington

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 Penang to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $769 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 Penang to Washington 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 Penang to Washington 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 Penang Intl. Airport (PEN) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from PEN to IAD 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 PEN to IAD?
The cheapest flights from PEN to IAD 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 PEN to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PEN to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Penang Intl. Airport (PEN) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily nonstop flights available from Penang Intl. Airport (PEN) to Washington Dulles Intl. Airport (IAD). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PEN to IAD?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Penang Intl. Airport (PEN) to Washington Dulles Intl. Airport (IAD)?
To reach Washington Dulles Intl. Airport (IAD) on schedule, select a flight that leaves from Penang Intl. Airport (PEN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Penang Intl. Airport (PEN) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your ticket from PEN to IAD shortly before your trip is usually more expensive. But if there's some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a PEN to IAD flight and hotel package?
You can save money by securing a PEN to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Penang Intl. Airport (PEN) to Washington Dulles Intl. Airport (IAD)?
In most cases, you're able to cancel or reschedule your PEN to IAD flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.