Book Aer Lingus flights (EI)

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Aer Lingus Flights on Expedia.com

Search Expedia for the very best selection of Aer Lingus flights to whatever destination you're headed. Aer Lingus and Expedia have teamed up to provide you with great discount airfares and flexible departure and arrival times to make your trip a truly comfortable, affordable, and memorable experience. Fly with Aer Lingus today to see the difference.

Aer Lingus is a valued partner of Expedia, and we work together to provide you with all the tools you need to book your next Aer Lingus flight. From last-minute flights to flights planned ahead, Aer Lingus has a huge inventory of cheap flights to help you save even more. Fly with style and comfort with Aer Lingus, and rest assured that all your flight needs are taken care of, making your travel experience as good as it can be. All Aer Lingus flights offer expansive routes to your destination and provide you with flexible departure and arrival times giving you more selection than ever before. And by booking with Expedia, you have access to online tools to help you plan the best trip, from fare alerts, to calendar tools and more; use these to help book the best Aer Lingus flight you can find. If you need additional assistance, Expedia Customer Service Representatives are available 24 hours a day to help you with any questions when booking your Aer Lingus flights. Aer Lingus and Expedia are here to ensure you travel with the confidence that you have the best flight at the very best price.

Airline Information

Airline Name
Aer Lingus
Airline Code
EI
Roundtrip price

Frequently asked questions

Can I fly from the US on Aer Lingus?
Yes, you can book a flight with Aer Lingus from multiple cities across the United States to Ireland. The airline offers nonstop service from departure points including:
  • New York (JFK)
  • Boston (BOS)
  • Chicago (ORD)
  • San Francisco (SFO)
  • Washington, D.C. (IAD)
From hubs in Dublin (DUB) and Shannon (SNN), passengers can connect to destinations throughout Europe.
Where does Aer Lingus fly to?
You can find Aer Lingus deals on routes between Ireland and major destinations across North America and Europe. Key cities in the network include:
  • Dublin (DUB)
  • London (LHR)
  • Paris (CDG)
  • Amsterdam (AMS)
  • Rome (FCO)
  • New York (JFK)
Routes vary by season and are regularly updated to meet travel demand.
Can I earn Aer Lingus miles with Expedia?
Yes. Aer Lingus is part of the Avios program, and you may earn Avios points on eligible flights booked through Expedia. Be sure to enter your AerClub number during booking, and note that some fare classes may not qualify for points. One Key™ members can also earn OneKeyCash™ on eligible Expedia bookings.OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
How much is carry-on for Aer Lingus?
When you fly Aer Lingus, the carry-on allowance depends on your cabin class:
  • One small carry-on bag and one personal item with a combined weight of up to 22 lbs (10 kg) for Economy Class
  • Additional cabin items may be allowed for AerSpace and Business Class
  • One personal item, such as a handbag or laptop case
All items must meet Aer Lingus size and weight limits to avoid being checked at the gate.
What size carry-on is allowed on Aer Lingus?
With your Aer Lingus flight booking, the following carry-on dimensions apply:
  • One cabin bag not exceeding 21.5 x 15.5 x 9.5 inches (55 x 40 x 24 cm)
  • One personal item that is smaller and fits under the seat in front of you
Oversized items that exceed these limits may need to be checked and could incur additional fees.
How much are checked bags on Aer Lingus?
Checked baggage allowances depend on the type of Aer Lingus booking you make:
  • Saver Fares: No checked baggage included
  • Plus and Smart Fares: One checked bag up to 44 lbs (20 kg)
  • Advantage, Flex, and Business Class: One or more checked bags up to 66 lbs (30 kg), depending on the route
Additional or overweight baggage is subject to extra fees, which vary based on your destination and fare type. Booking baggage in advance is usually more cost-effective than paying at the airport.
Do you have to pay for seat selection on Aer Lingus?
With your Aer Lingus reservation, seat selection is included on higher fare types. Standard Economy fares may require a fee for choosing seats in advance. Preferred seating and extra legroom options are also available for an additional charge. If you do not select a seat, one will be assigned at check-in.
How far in advance can you check in with Aer Lingus?
For your Aer Lingus flight, online check-in opens 48 hours before departure for short-haul European routes and 24 hours before departure for transatlantic flights. Airport check-in usually opens three hours before international departures.
Who is Aer Lingus's partner in the USA?
Aer Lingus partners with JetBlue and United Airlines for U.S. domestic connections. It also participates in the Avios loyalty program alongside British Airways, Iberia, and other IAG carriers, offering expanded earning and redemption opportunities.
What kind of airline is Aer Lingus?
Aer Lingus is Ireland's national airline and offers a blend of full-service and low-fare travel. It provides long-haul transatlantic service with premium amenities, while short-haul European routes offer lower-cost fare options. The airline is known for reliable flights, strong Dublin hub connectivity, and competitive pricing.
Is Aer Lingus a good airline to fly with?
Many travelers who fly Aer Lingus appreciate its friendly service, comfortable cabins, and affordable fares—especially on transatlantic routes. The airline is also known for efficient connections through Dublin and Shannon to popular European cities, making it a convenient choice for U.S. and European travelers alike.
What type of planes does Aer Lingus fly?
Aer Lingus is a full-service international airline that operates a modern fleet designed for both short-haul and long-haul travel. The airline uses Airbus A320 aircraft for regional European routes, and Airbus A321LR and A330 aircraft for transatlantic and other long-distance flights. Aer Lingus connects travelers to more than 90 destinations across Europe, North America, and beyond.
Does Aer Lingus have First or Business Class?
Yes, Aer Lingus offers a premium Business Class experience on long-haul routes. Travelers who purchase a Business Class Aer Lingus ticket can enjoy lie-flat seats, gourmet meals, lounge access, priority services, and extra baggage allowance. While the airline does not have a First Class cabin, its Business Class is a popular choice for comfort and value on transatlantic flights.
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