Cheap Aer Lingus (EI) Flight Reservations & Booking Flights

Save on Flight Bookings!

Flight 1

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save on select hotels after you book a flight*

  • Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Trending Aer Lingus Flights

Prices were available within the past 7 days and start at for one-way flights and AED4,360 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thursday, 10 September, 2026 - Friday, 18 September, 2026
LAX
Los Angeles
LHR
London
AED4,360 Roundtrip, found 4 days ago
AED4,360
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Thursday, 10 September, 2026 from Los Angeles to London, returning Friday, 18 September, 2026, priced at AED4,360 found 4 days ago

Frequently asked questions

How do I find cheap Aer Lingus flights that have flexible change policies?
Life happens and plans can change, so click on Expedia's No change fee filter after you hit the search button. This will show you Aer Lingus flights that give you the option to modify your travel itinerary without any extra costs. You'll only pay the difference if the new flight is more expensive.
Which destinations does Aer Lingus fly to?
Book a flight with Aer Lingus and pick from around 63 destinations in Europe, Caribbean, Africa and more. Dublin and Jamaica are two of the cities that this airline flies to. Whether you're organizing a quick escape or an extended vacation, Expedia has Aer Lingus flight deals that'll make you want to start packing.
Why fly with Aer Lingus?
A 4-star airline rating and a rewarding loyalty program are just the beginning of reasons to book a flight with Aer Lingus. This flag carrier is based out of Dublin Airport (DUB), has a fleet of around 52 aircraft and is the only airline in the world to name their planes after Catholic Irish Saints. Take a peek at Expedia's Aer Lingus flight deals to thrilling destinations. Whether you travel in business, business Flex or Economy Saver, Smart, Plus, Advantage, Aerspace, you'll get the high level of service this preferred carrier is known for.
What can I expect from an Aer Lingus flight?
When you fly with Aer Lingus, most services offer snacks or meals, onboard WiFi and in-flight entertainment to help time pass by. Whether you're traveling to a favorite vacation spot or someplace new, an unbeatable Aer Lingus flight deal is just clicks away with Expedia.
How can I get a cheap last-minute Aer Lingus flight on Expedia?
While you don't need to be as limber as an acrobat, being flexible is the key to saving cash. Keeping your travel dates open will help you find cheap last-minute Aer Lingus flight deals. To see what tempting offers are available, check out our great last minute flights deals on Expedia. Or type in your chosen dates and compare the lowest prices on Aer Lingus journeys for your impulsive adventure.
How can Expedia help with my Aer Lingus booking?
We have your back each step of the way, from helping you discover epic deals to helping you locate the right baggage carousel. Secure your cheap Aer Lingus flights with Expedia using our free app. Check in, review your flight status and manage your booking easily with this handy pocket-sized travel companion. The Expedia App will also give you instant updates about gate changes and flight delays, and even which carousel to collect your bags from.
Can I earn and redeem miles with my Aer Lingus flight?
There are several ways to accumulate points when you secure your airline tickets through Expedia. If you've joined the Aer Lingus rewards program, Aer Lingus AerClub, enter your membership number at the final stages of booking to check your flight's eligibility for mileage. Credit card purchases, shopping and renting a car are other ways to rack up points through Aer Lingus AerClub. Plus, as a member of One Key™, our free travel rewards program, you'll earn OneKeyCash™* on top of your airline miles. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What rules does Aer Lingus have in terms of hand luggage allowance?
The hand luggage allowance for international Aer Lingus airfares is 1 cabin bag and a small personal item such as a purse. However, this can vary depending on a number of factors, including the cabin class you're traveling in and aircraft type. For economy fares, each carry-on bag cannot be heavier than 10 kgs or have dimensions larger than 21 inches x 15 inches x 9 inches total. For the most accurate packing advice, check your Aer Lingus plane ticket.
What is Aer Lingus's checked-in luggage allowance?
With international Aer Lingus flights, you'll usually be allowed 1 checked-in bag. Weight and size limitations and number of bags may vary based on a number of factors. As a general guide, your checked luggage should have maximum dimensions of 62 inches. The total weight should not exceed 23 kgs per bag. Allowances are subject to the class of cabin, fare type and even the size of the aircraft, so look over your Aer Lingus itinerary or contact Aer Lingus customer service for further assistance.
How can I check in for Aer Lingus flights?
You can go to the Aer Lingus website to check in for your flight, choose your favorite seat and manage details of your booking. For most international and domestic flights, online check in is open from 2 days until 2 hours prior to departure. If you're heading overseas, keep in mind that you may still need to check in in person at the airline counter to have your passport verified.

Explore a world of travel with Expedia