$612 Cheap Aer Lingus flights Washington (IAD) to Exeter (EXT)

Make use of the “Price (lowest to highest)” filter on Expedia to look for cheap Aer Lingus return flights from $719 from IAD to EXT. Affordable one-way tickets from $612 are also available.**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 most affordable months to get away to Exeter with Aer Lingus. You could also find fantastic deals on return and one-way fares in February.

Check for Aer Lingus flights from IAD to EXT about one month before you want to go. The cheapest time to book 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. Regardless of itinerary or ticket type, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book 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.

Click on the “Nonstop” filter when browsing for direct Aer Lingus flights from IAD to EXT. You can also compare other carriers servicing the same direct trip.

Filter your results by “Morning” and “Early Morning” to browse the earliest flights from IAD to EXT. Taking 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.

Exeter Intl. Airport (EXT) is the primary Exeter gateway for Aer Lingus flights from Washington Dulles Intl. Airport (IAD).

On a standard economy flight with Aer Lingus from IAD to EXT, passengers can bring 1 checked-in bag up to 50 lb with dimensions no larger than 62 inches in total. For hand luggage, you’re allowed 1 cabin bag weighing up to 22 lb and measuring no more than 21 inches x 15 inches x 9 inches. Weight and size allowances may differ depending on your airfare type and cabin class. To make sure you don’t get caught with extra charges at the airport, check your Aer Lingus booking or go to the airline’s website before loading up your suitcase.

Aer Lingus makes traveling from IAD to EXT enjoyable with a rewarding loyalty program and a 4-star airline rating. You even have the chance to collect points with Aer Lingus AerClub. Don’t forget 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.

Depending on the ticket type you purchased, a fee generally applies if you change or cancel your flight more than 24 hours after it has been confirmed. To find flexible plane tickets, select our “No cancel fee” or “Changes included” filter when looking for flights. For more details on modifying or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”