$651 Cheap Aer Lingus flights Cork (ORK) to Washington (IAD)

You can discover cheap return Aer Lingus flights from $790 from ORK to IAD by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $651 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the cheapest months to fly to Washington with Aer Lingus. You could also find fantastic deals on one-way and return fares in February.

Start your search for Aer Lingus flights from ORK to IAD about one month before you want to go. The most affordable time to reserve an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary or fare class, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Travelers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Select our “Nonstop” filter when looking for direct Aer Lingus flights from ORK to IAD. You can also compare other airlines servicing the same direct trip.

Filter your results by “Morning” and “Early Morning” to see the earliest flights from ORK to IAD. Setting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Board an Aer Lingus flight from Cork Airport (ORK) to Washington, and you’re most likely to come in to Washington Dulles Intl. Airport (IAD). This is the airline’s primary hub here.

On a standard economy flight with Aer Lingus from ORK to IAD, you can bring 1 checked-in bag up to 50 lb with dimensions no larger than 62 inches in total. For carry-on, you’re permitted 1 cabin bag weighing up to 22 lb and measuring no more than 21 inches x 15 inches x 9 inches. Size and weight limits may vary based on your fare type and cabin class. To make sure you don’t get caught with extra fees at the airport, check your Aer Lingus booking or visit the airline’s website before you begin packing.

Aer Lingus makes flying from ORK to IAD more enjoyable with a rewarding loyalty program and a 4-star airline rating. You could even start earning points with Aer Lingus AerClub. Be sure to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of making your booking, but your airline may add a charge after that. For further information about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your itinerary without additional charges, apply the “No cancel fee” or “Changes included” filter when organizing your next adventure.