transatlantic · 6h 15m · 4,821 km
Boston to Dublin
2 airlines · 2 aircraft ranked
In business class, Aer Lingus's Business Class (A330-300) edges out the field with a 7.1/10.Delta is the only carrier offering premium economy on this route, scoring 5.7/10.
Quick pick
Fly Aer Lingus. It has a wider seat (22" vs 20.5") and a bigger screen (16" vs 10.1").
If fares are comparable, this is the better cabin.
Fly Delta. It has a wider seat (18.1" vs 17") and free Wi-Fi (paid on Aer Lingus).
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
Route insights
- In business class, Aer Lingus's Business Class (A330-300) edges out the field with a 7.1/10.
- Delta is the only carrier offering premium economy on this route, scoring 5.7/10.
- In economy, Delta's Main Cabin (767-300ER) leads the field with a 5.2/10.
Frequently asked
Which is better in business: Delta or Aer Lingus on BOS-DUB?
Delta One (Delta Air Lines, 767-300ER) and Business Class (Aer Lingus, A330-300) score virtually the same in business: 7 vs 7.1/10. The biggest gap is dining — dine on demand vs multi-course dining — but neither carrier pulls ahead overall.
Which is better in economy: Delta or Aer Lingus on BOS-DUB?
Main Cabin (Delta Air Lines, 767-300ER) edges out Economy (Aer Lingus, A330-300) in economy, scoring 5.2/10 vs 4.6. The deciding factor: AC + USB-C vs USB-C only. Aer Lingus fights back on power.
What are the best seats in Delta Delta One on BOS-DUB?
Best: Even-numbered window seats are recessed closer to the window with better privacy shields. Bulkhead row 1 has the most space. Avoid: Odd-numbered rows sit closer to the aisle with less privacy. Last row nearest the premium economy curtain. 26 Thompson Vantage seats in 1-2-1 staggered layout — same product family as the 767-400ER but with smaller 10.1-inch IFE screens vs 16-inch on the 764. No sliding doors. Narrower fuselage than widebody aircraft makes seats feel slightly tighter. Missoni amenity kit and duvet provided.
What are the best seats in Delta Delta Premium Select on BOS-DUB?
Best: All seats are in 2-2-2 — no middle seats in any row. Window pairs ideal for couples. Avoid: Last row nearest economy cabin. 18 Premium Select seats in 2-2-2 layout. No middle seats is a significant advantage. 10-inch seatback IFE. Premium amenity kit and enhanced meal service included.
What are the best seats in Delta Main Cabin on BOS-DUB?
Best: Comfort+ rows offer 34-inch pitch. Window doublets (2-abreast sides) avoid the center middle seat. Avoid: Center seat E in the 3-abreast middle section. Last rows near rear galley. 151 economy seats including 21 Comfort+ with 34-inch pitch. 2-3-2 layout means no middle seat on the sides. 10.1-inch seatback IFE at every seat. Complimentary meals on international flights. Delta Sync free Wi-Fi for SkyMiles members.
What are the best seats in Aer Lingus Business Class on BOS-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 BOS-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.