$456 Cheap Flights from Cork (ORK) to Washington (IAD)

View $456 flight on Fri, Jan 16, 2026Opens in a new window

Popular airlines from Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Cork to Washington (ORK-IAD)

Prices were available within the past 7 days and start at $456 for one-way flights and $562 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, Mar 31 - Wed, Apr 15
ORK
Cork
IAD
Washington
$562 Roundtrip, found 18 hours ago
$562
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Tue, Mar 31 from Cork to Washington, returning Wed, Apr 15, priced at $562 found 18 hours ago
Lufthansa
Tue, Mar 31 - Wed, Apr 15
ORK
Cork
IAD
Washington
$564 Roundtrip, found 18 hours ago
$564
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Tue, Mar 31 from Cork to Washington, returning Wed, Apr 15, priced at $564 found 18 hours ago
British Airways
Tue, Mar 31 - Wed, Apr 15
ORK
Cork
IAD
Washington
$599 Roundtrip, found 18 hours ago
$599
Roundtrip
found 18 hours ago
Select British Airways flight, departing Tue, Mar 31 from Cork to Washington, returning Wed, Apr 15, priced at $599 found 18 hours ago
Lufthansa
Tue, Mar 31 - Wed, Apr 15
ORK
Cork
IAD
Washington
$622 Roundtrip, found 18 hours ago
$622
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Tue, Mar 31 from Cork to Washington, returning Wed, Apr 15, priced at $622 found 18 hours ago
Lufthansa
Tue, Mar 31 - Wed, Apr 15
ORK
Cork
IAD
Washington
$623 Roundtrip, found 18 hours ago
$623
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Tue, Mar 31 from Cork to Washington, returning Wed, Apr 15, priced at $623 found 18 hours ago
British Airways
Sat, Dec 20 - Sat, Jan 10
ORK
Cork
IAD
Washington
$630 Roundtrip, found 8 hours ago
$630
Roundtrip
found 8 hours ago
Select British Airways flight, departing Sat, Dec 20 from Cork to Washington, returning Sat, Jan 10, priced at $630 found 8 hours ago
Lufthansa
Tue, Mar 31 - Wed, Apr 15
ORK
Cork
IAD
Washington
$641 Roundtrip, found 18 hours ago
$641
Roundtrip
found 18 hours ago
Select Lufthansa flight, departing Tue, Mar 31 from Cork to Washington, returning Wed, Apr 15, priced at $641 found 18 hours ago
Aer Lingus
Tue, Mar 31 - Wed, Apr 15
ORK
Cork
IAD
Washington
$692 Roundtrip, found 18 hours ago
$692
Roundtrip
found 18 hours ago
Select Aer Lingus flight, departing Tue, Mar 31 from Cork to Washington, returning Wed, Apr 15, priced at $692 found 18 hours ago
Air Canada
Tue, Mar 31 - Wed, Apr 15
ORK
Cork
IAD
Washington
$726 Roundtrip, found 18 hours ago
$726
Roundtrip
found 18 hours ago
Select Air Canada flight, departing Tue, Mar 31 from Cork to Washington, returning Wed, Apr 15, priced at $726 found 18 hours ago
American Airlines
Sat, Dec 20 - Sat, Jan 10
ORK
Cork
IAD
Washington
$848 Roundtrip, found 8 hours ago
$848
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Dec 20 from Cork to Washington, returning Sat, Jan 10, priced at $848 found 8 hours ago

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Flights from Cork (ORK) to Washington (IAD)
Origin airport
Cork
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, KLM, Lufthansa
Roundtrip price
$562
Distance
3328 mi

Cork to Washington Flights

The cheapest times to fly from Cork 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 Cork to Washington are during the month of March. You can find some of the cheapest flights from Cork to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cork to Washington

Sunday is one of the best days to book for cheap flights from Cork 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 Cork 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 Cork to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $456 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 Cork 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 Cork 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 Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $456 or cheap return flight from $562 from Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD)?
March is the cheapest month to fly from ORK to IAD. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ORK to IAD flight.
How many flights per day from Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD)?
There aren't any daily direct flights from Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from ORK to IAD?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being 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 Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your ticket from ORK to IAD shortly before your journey is generally more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an ORK to IAD flight and hotel package?
Securing an ORK to IAD flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Cork Airport (ORK) to Washington Dulles Intl. Airport (IAD)?
In most instances, you're able to reschedule or cancel your ORK to IAD flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more information, go to our Customer Service portal.

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*Available to One Key members.