transatlantic · 6h 40m · 5,103 km
New York (JFK) to Dublin
3 airlines · 3 aircraft ranked
In business class, JetBlue's Mint (A321LR) leads the field with a 7.7/10.Delta is the only carrier offering premium economy on this route, scoring 5.3/10.
Quick pick
Fly JetBlue. It has 15 more inches of legroom and a private suite.
If fares are comparable, this is the better cabin.
Fly JetBlue. It scores higher across seat comfort and amenities.
If prices are similar, go with this one.
Select two airlines to compare head-to-head
Data verified June 2026
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Airlines on this route
Same corridor, nearby airports
Route insights
- In business class, JetBlue's Mint (A321LR) leads the field with a 7.7/10.
- Delta is the only carrier offering premium economy on this route, scoring 5.3/10.
- In economy, JetBlue's Core (A321LR) leads the field with a 5.7/10.
Frequently asked
Which is better in business: Delta or Aer Lingus on JFK-DUB?
Delta One (Delta Air Lines, 767-400ER) and Business Class (Aer Lingus, A330-300) score virtually the same in business: 6.8 vs 7.1/10. The biggest gap is seat width — 22"-wide seats vs 20" — but neither carrier pulls ahead overall.
Which is better in economy: Delta or Aer Lingus on JFK-DUB?
Main Cabin (Delta Air Lines, 767-400ER) and Economy (Aer Lingus, A330-300) score virtually the same in economy: 4.8 vs 4.6/10. The biggest gap is power — AC + USB-C vs USB-C only — but neither carrier pulls ahead overall.
Which is better in business: Delta or JetBlue on JFK-DUB?
Mint (JetBlue Airways, A321LR) edges out Delta One (Delta Air Lines, 767-400ER) in business, scoring 7.7/10 vs 6.8. The deciding factor: a closed suite door vs an open cabin. Delta Air Lines fights back on extras.
Which is better in economy: Delta or JetBlue on JFK-DUB?
Core (JetBlue Airways, A321LR) edges out Main Cabin (Delta Air Lines, 767-400ER) in economy, scoring 5.7/10 vs 4.8. The deciding factor: AC + USB-C vs USB-C only. Delta Air Lines fights back on dining.
Which is better in business: Aer Lingus or JetBlue on JFK-DUB?
Mint (JetBlue Airways, A321LR) edges out Business Class (Aer Lingus, A330-300) in business, scoring 7.7/10 vs 7.1. The deciding factor: a closed suite door vs an open cabin. Aer Lingus fights back on extras.
Which is better in economy: Aer Lingus or JetBlue on JFK-DUB?
Core (JetBlue Airways, A321LR) beats Economy (Aer Lingus, A330-300) in economy, scoring 5.7/10 vs 4.6. The deciding factor: 18.4"-wide seats vs 17". Aer Lingus fights back on dining.
What are the best seats in Delta Delta One on JFK-DUB?
Best: Even-numbered rows have a larger privacy shield from the aisle and more separation from passersby, making them preferable. Solo travelers should pick window seats in even rows for maximum privacy. Avoid: Odd-numbered rows sit closer to the aisle with a smaller privacy shield, making them more exposed. Seats near the galleys at the front and rear of the cabin may experience noise. Non-bulkhead footwells are slightly smaller, potentially tight for tall passengers. Staggered 1-2-1 layout with direct aisle access from every seat. No sliding doors unlike the A330-900neo and A350 suites. The 767 fuselage is narrower, making the seats feel slightly tighter than widebody suites. Thompson Vantage seats are fully lie-flat. 18-inch seatback IFE screens.
What are the best seats in Delta Delta Premium Select on JFK-DUB?
Best: Row 20 bulkhead has the most legroom. Window pairs (A-B) on each side give privacy for couples without a middle seat. All seats in 2-2-2 layout avoid the dreaded middle seat. Avoid: Row 23 is closest to the economy cabin and may experience noise from the partition area. Only 20 Premium Select seats on this aircraft type. The 2-2-2 layout means no middle seats in any row, a significant advantage. Premium amenity kit, enhanced meal service, and priority boarding included.
What are the best seats in Delta Main Cabin on JFK-DUB?
Best: Delta Comfort+ rows 30-33 (28 seats) offer 34 inches of pitch. Row 30 has the most space as the Comfort+ bulkhead. Window doublets (A-B, H-J) avoid the center middle seat. Avoid: Center seat (E) in the 3-abreast middle section on long-haul flights. Last 2-3 rows near rear galley and lavatories. 2-3-2 layout is more comfortable than 3-3-3. 28 seats are designated Delta Comfort+ with 34-inch pitch. Remaining 156 Main Cabin seats have 31-32 inches of pitch. Complimentary meal service on international flights. Seatback IFE and USB/AC power at every seat.
What are the best seats in Aer Lingus Business Class on JFK-DUB?
Best: Throne seats at 2A, 4A, 2K, 4K (window seats in even rows) have the largest personal space and best privacy in a staggered layout. Avoid: Paired center seats in odd rows (1D/E, 3D/E, 5D/E) share space and one passenger has to climb over the other. Row 7 is the last row with galley behind. Staggered layout alternating between 1-2-1 and 1-2-2 rows. Thompson Vantage lie-flat seats with 77-inch beds and 22-inch width. 16-inch HD Panasonic eX2 touchscreens. AC outlet and USB-A at every seat. Starlink WiFi rolling out across the A330 fleet (free, up to 500 Mbps on equipped aircraft; older Panasonic system on others). Jo Browne Ireland amenity kit. White linen tablecloth dinner service with Irish-inspired seasonal menu. AA Admirals Club access at US airports.
What are the best seats in Aer Lingus Economy on JFK-DUB?
Best: Window pairs (A/B and J/K) avoid the center quad. Exit row seats for extra legroom. Avoid: Inner center seats (D, E, F, G) in the 2-4-2 layout. Last rows near rear galley. 283 economy seats in a 2-4-2 widebody layout with 31-inch pitch. 9-inch Panasonic eX2 seatback screens. AC outlet shared between pairs plus USB-A per seat. Starlink WiFi rolling out (free on equipped aircraft; paid on older Panasonic system). Complimentary hot meal and pre-landing snack with two free alcoholic drinks during dinner. Pillow and blanket provided.
What are the best seats in JetBlue Mint on JFK-DUB?
Best: 1A and 1F are both Mint Studios with extra shoulder width, a secondary buddy seat that extends the bed area, and the largest screen in the cabin at 22 inches Avoid: Neither Studio seat has meaningful disadvantages; both are the premium pick Mint Studios cost an upcharge over standard Mint Suites. The buddy seat folds out to extend the sleeping surface and can seat a companion during meal service. Studio passengers get the same meal service as Suites.
What are the best seats in JetBlue Core on JFK-DUB?
Best: Even More Space rows 14-17 offer 35-37 inches of pitch for an upcharge. Exit rows provide up to 41 inches. Avoid: Last rows (30-31) near the rear galley and lavatory. Middle seats (B, E) in any row. JetBlue economy on transatlantic flights includes complimentary snacks, drinks, and a meal. All passengers get free unlimited WiFi and seatback IFE with 10.1-inch screens. Even More Space seats are a separate purchase with extra legroom. Power includes AC outlet and USB-A at every seat. 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.