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Home » Reviews » Flight Reviews » Review: Aer Lingus A321neo LR AerSpace (Lie-Flat Business Class Seat)
Aer LingusFlight Reviews

Review: Aer Lingus A321neo LR AerSpace (Lie-Flat Business Class Seat)

Matthew Klint Posted onMarch 16, 2026March 16, 2026 6 Comments

a plane at an airport

My Aer Lingus A321neo LR flight in AerSpace (a business class seat without business class service) from Dublin to London was short, but gave me enough time to evaluate the seat and its features that you can except on a transatlantic Aer Lingus A321 flight.

In This Post:

Toggle
  • Aer Lingus A321neo AerSpace (LHR-DUB)
    • Seat
    • IFE + Wi-Fi
    • Food + Drink
    • Lavatory
    • Service
    • CONCLUSION

Aer Lingus A321neo AerSpace (LHR-DUB)

Although it is not a Star Alliance carrier, Aer Lingus uses Terminal 2 at LHR. AerSpace has a dedicated check-in line. After a check-in snafu concerning my class of service, I quickly cleared security.

a group of people in an airport

a group of people in an airport

a group of people in an airport

I used the Aer Lingus Lounge for about 30 minutes before the flight. With a nice English breakfast and a barista-made coffee, it’s now one of my favorites in T2.

a double doors with glass panels

a room with chairs and tables

a coffee machine with a group of cups and plates on a counter

a plate of food and a cup of coffee

My boarding pass indicated that boarding would begin 30 minutes prior to departure, but when I showed up 35 minutes prior to departure, boarding was mostly complete. In fact, I was the last passenger onboard…

a plane on the runway

a man walking down a walkway with luggage

Aer Lingus 155
London (LHR) – Dublin (DUB)
Thursday, November 6
Depart: 9:50 AM
Arrive: 11:15 AM
Duration: 1hr, 25min
Aircraft: Airbus A321neo LR
Distance: 280 miles
Seat: 5K (AerSpace – “Business Class”)

Stepping onto the aircraft,  I found only one other person seated in the business class cabin, which is marketed as AerSpace on flights across the Irish Sea and within Europe. I have no idea why Aer Lingus does not sell a “real” business class, but maybe it gets its inspiration from Our Lady Air?

A flight attendant warmly greeted me. No pre-departure beverage, but we soon pushed back…it would be a quick flight to Dublin.

Seat

I was seated in 5K, a throne seat (the other passenger was in 3K). The A321neo has 16 seats in business class: a very classic Thompson Aero Vantage seat. You’ll see these seats on the SAS A321LR as well and on JetBlue’s older A321s.

a row of seats on an airplane

the inside of an airplane with purple lights and rows of seats

a row of seats in an airplane

Here’s some more I took after landing:

inside an airplane with blue lights

the inside of an airplane

inside an airplane with rows of seats


> Read More: SAS A321LR Business Class Review
> Read More: JetBlue A321 Mint Business Class Review


If you can score a throne seat, you can count on excellent space and comfort, plus extra storage via a cabinet and at knee level on the side.

a row of seats in an airplane

a seat and a television in an airplane

a seat and table in an airplane

a seat in an airplane

a seat in an airplane

a seat in an airplane

the seats in an airplane

an open door on a table

a man looking at the camera

a small black shelf in a vehicle
The “throne” seats (odd-numbered rows) have extra storage.

a seat in a dark room

If you wind up in an even-numbered row, you will have a seatmate and window seat passengers will not have direct aisle access. All seats are 22 inches wide.

The seat reclines into a 77-inch 180º lie-flat bed, though of course there was no need to sleep on a 9:50 am flight that was only 45 minutes long.

a seat in an airplane

Seat controls include a massage function.

a close up of a seat

a seat with lights and seats in the back

Each seat has a universal A/C, USB-A, and USB-C outlet.

a close up of a power outlet

a close up of a device

There are individual air vents above each seat.

a white rectangular object with a blue light

a man sitting in an airplane

IFE + Wi-Fi

The full in-flight entertainment library was available, but no headphones were offered (though I did not ask for any). Selections included a special section of Irish films and audio (always appreciated on a nation’s flag carrier), plus other music, TV shows, games, and movies.

a screen on a plane

a screen with images on it

a screen with a picture of people on it

a screen with a picture of a woman on it

a screen with a video game on it

a screen with a screen on it

a screen on a plane

a screen on an airplane

Wi-Fi internet was available too, at a cost of :

  • €2.49 – messaging
  • €5.99 – streaming

a screenshot of a flight ticket

It was such a short flight that I did not connect. While Aer Lingus offers its business class passengers free Wi-Fi, since this technically was not business class, there was no free Wi-Fi.

The weather was bad departing London, but it was a beautiful, sunny day in Dublin:

an aerial view of an airport

an airplane wing in the air

a view of clouds from an airplane window

an aerial view of a city and water

aerial view of clouds and a landscape

Food + Drink

In AerSpace, there is no meal service in the traditional sense…certainly nothing plated like on a Aer Lingus longhaul flight or intra-Europe business on another carrier. Instead, you can have one food item and one drink from the Bia menu (Bia, pronounced Bee-ah, is Irish for “food”).

I was hoping to order the Irish Breakfast, which his a mainstay on the buy-on-board menu, but was told there were none loaded. Instead, I had a “Festive Turkey, Cranberry, Ham, & Cheese Toastie” which was not very sightly, but tasted decent. I had a bottle of sparkling water with it.

a plastic bottle and a cup on a table

a food and a bottle of water on a table

a piece of toast in a plastic bag

a piece of toast with cheese on it

a sandwich with meat and cheese on it
It tasted better than it looked…

Lavatory

The A321neo has a lavatory in the front of the aircraft for business class passengers that featured mood lighting just like the cabin.

a bathroom with a sink and toilet

a toilet in a bathroom

a couple of soap dispensers on a counter
The lavatory included hand wash from Jo Browne, an Irish company

Unlike some other A321neo operators, there is not a lavatory behind the front cabin that is used by both business class and economy class passengers.

Service

The service was excellent oaths flight. A single flight attendant took care of me and the other passenger and she was very kind and attentive, despite having little to work with in terms of service.

a row of seats in an airplane

She was from Portugal…I’m not attune to the labor issues that Aer Lingus may be experiencing, but it was the first time I’ve ever had a non-Irish FA when fly Aer Lingus.

CONCLUSION

We landed on-time in Dublin, where I found a very chaotic terminal under construction. This was a very pleasant flight and an aircraft I would not hesitate to fly transatlantic in.

people walking in a tunnel with a group of people

an airplane at an airport

I used miles for my ticket, but sometimes the upgrade from economy to AerSpace is well worth the premium if you are traveling with luggage.

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About Author

Matthew Klint

Matthew is an avid traveler who calls Los Angeles home. Each year he travels more than 200,000 miles by air and has visited more than 135 countries. Working both in the aviation industry and as a travel consultant, Matthew has been featured in major media outlets around the world and uses his Live and Let's Fly blog to share the latest news in the airline industry, commentary on frequent flyer programs, and detailed reports of his worldwide travel.

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6 Comments

  1. Jerry Reply
    March 16, 2026 at 1:41 pm

    I just don’t understand Aer Lingus. Surely there’s demand to DUB for a proper business class, and I also don’t know why they’re not in oneworld. None of it makes sense.

    • Matthew Klint Reply
      March 16, 2026 at 2:36 pm

      The lack of oneworld membership makes no sense to me!

  2. Dan Reply
    March 16, 2026 at 2:03 pm

    Thank you for bravely putting yourself at risk to sample the food options and report back to us on whether you survived 🙂

    • Matthew Klint Reply
      March 16, 2026 at 2:35 pm

      That was back in November when I was still eating toxic stuff. I’m still eating a lot of airline food, but not stuff like that any longer.

  3. Güntürk Üstün Reply
    March 16, 2026 at 3:47 pm

    Let’s add that, as of today, EI has 14 A321neos in its fleet with an average age of 3.6 years.

  4. 1990 Reply
    March 16, 2026 at 4:36 pm

    Seems like a pretty satisfying Lingus…

Leave a Reply to Jerry Cancel reply

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