european · 1h 20m · 449 km
London to Dublin
2 airlines · 2 aircraft ranked
In business class, Aer Lingus's Business Class (A321LR) dominates the field with a 6.5/10.In economy, Aer Lingus's Economy (A321LR) dominates the field with a 4.7/10.
Quick pick
Fly Aer Lingus. It has 15 more inches of legroom and a wider seat (21" vs 18").
A noticeably better product that justifies the pick.
Fly Aer Lingus. It has seatback screens (British Airways has none).
Worth picking even at a small price premium.
Select two airlines to compare head-to-head
Data verified June 2026
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Airlines on this route
Flying with family
- Seatback screens on Aer Lingus. British Airways: bring your own device.
Route insights
- In business class, Aer Lingus's Business Class (A321LR) dominates the field with a 6.5/10.
- In economy, Aer Lingus's Economy (A321LR) dominates the field with a 4.7/10.
Frequently asked
Which is better in business: British Airways or Aer Lingus on LHR-DUB?
Business Class (Aer Lingus, A321LR) dominates Club Europe (British Airways, A320neo) in business, scoring 6.5/10 vs 1.8. The deciding factor: 45" of pitch vs 30".
Which is better in economy: British Airways or Aer Lingus on LHR-DUB?
Economy (Aer Lingus, A321LR) beats Euro Traveller (British Airways, A320neo) in economy, scoring 4.7/10 vs 3. The deciding factor: a 10.1" screen vs none.
What are the best seats in British Airways Euro Traveller on LHR-DUB?
Best: Row 12 has 35 inches of pitch, the most generous in the cabin. Rows 2-10 have 30-inch pitch with Collins Pinnacle seats that have more padding and 3 inches of recline. Row 11 has 34-inch pitch. If Club Europe is not full, rows 4-6 in Euro Traveller may use the better Pinnacle seats. Avoid: Rows 13-30 have Recaro SL3510 slimline seats with only 28-29 inches of pitch, no recline, no AC power, and no headrest. Last two rows (29-30) have limited space and are close to both toilets and galley noise. The A320neo has two distinctly different seat types. Rows 1-12 use the more comfortable Collins Pinnacle seats with more padding, headrests, AC power, and 30-inch pitch. Rows 13-30 use slimline Recaro seats with 28-29 inches of pitch, no recline, and only USB-C power. There are no seatback IFE screens; BA offers streaming via the BA app on personal devices. WiFi is available for purchase. The Club Europe / Euro Traveller cabin split is flexible: typically the first 4-8 rows are Club Europe, with the movable divider adjusted per flight based on demand. Total capacity is 180 seats in a single 3-3 layout. Exit row seats on the A320/A321 family offer extra legroom but do not recline. The row immediately before the exit also has limited recline due to clearance requirements.
What are the best seats in Aer Lingus Business Class on LHR-DUB?
Best: Throne seats at 2B, 2E, 4B, 4E (1-1 rows) offer the most space and privacy for solo travelers with large side consoles and direct aisle access. Avoid: Paired seats in rows 1, 3, 5 (2-2 rows) have less privacy and some seats lack direct aisle access. Row 1 can be affected by galley noise. Alternating 2-2 and 1-1 configuration across 5 rows. Thompson Vantage lie-flat seats convert to 78-inch beds. 9-inch HD IFE screens on the A321LR (the newer A321XLR has 18-inch 4K screens). Free wifi on transatlantic flights. Amenity kit by Benamor includes eye mask, socks, wooden toothbrush, toothpaste, earplugs, hand cream. AC power and USB-A at every seat. Multi-course meal with Irish-inspired cuisine.
What are the best seats in Aer Lingus Economy on LHR-DUB?
Best: Rows 7-13 have 32-inch pitch (vs 31 in the rest). Exit row seats for extra legroom. Avoid: Rows 16-21 and 22-34 ABC side have tighter 30.5-inch pitch. Last rows near lavatories. Narrowbody transatlantic economy with 31-inch average pitch but varies by row. Customized Recaro R3 seats with six-way adjustable headrest and foldable side cushions for neck support. IFE seatback screens at every seat. Two AC power outlets per seat triple in economy; USB-A and USB-C ports in seatback IFE. Free wifi. Complimentary transatlantic meal service. Blanket, pillow, and earphones provided. Exit row seats on the A320/A321 family offer extra legroom but do not recline. The row immediately before the exit also has limited recline due to clearance requirements.