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CONFIGURATION DETAILS

Finnair Airbus A350-900 — 321 seats

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Last checked: Oct 31, 2026Source: Finnair current fleet: capacities, widths and source restrictions, Finnair currently linked numbered seat plan, Finnair current Business cabin and adjacent-seat policy

Configuration

321 seats

321 seats: 30 Business,26 Premium Economy,265 Economy. Premium 20 hasJ/L only; Economy 45 hasD/E/H only. Both versions have 51B/C/D/E/H/J/K and 66D/E/H; row 65 is narrower.

Total
321

Monuments approximate Galley and lavatory positions are approximate.

Main deck

100%

Hover, tap, or focus a seat to inspect its details.

321 seats — Main deckRow numbers are beside the fuselage; column letters sit above each cabin. Hover, tap, or focus a seat for its full number and details. Use arrow keys to move, Enter or Space to select, Escape to clear. Scroll to follow the aircraft.1L · Aircraft door1R · Aircraft door2L · Aircraft door2R · Aircraft door3L · Aircraft door3R · Aircraft door4L · Aircraft door4R · Aircraft doorLavatoryUnspecified fixtureUnspecified fixtureUnspecified fixtureUnspecified fixtureUnspecified fixtureLavatoryUnspecified fixtureLavatoryLavatoryLavatoryLavatoryLavatoryLavatoryUnspecified fixtureUnspecified fixtureUnspecified fixtureEstimated window geometry — manufacturer station schedule not verifiedEstimated window geometry — manufacturer station schedule not verifiedEstimated window geometry — manufacturer station schedule not verifiedEstimated window geometry — manufacturer station schedule not verifiedEstimated window geometry — manufacturer station schedule not verifiedEstimated window geometry — manufacturer station schedule not verifiedEstimated window geometry — manufacturer station schedule not verifiedEstimated window geometry — manufacturer station schedule not verifiedEstimated window geometry — 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No privacy door or unsupported recline measurement inferred."},{"cabin":"business","classLabel":"AirLounge","position":"Window","pitch":"Not published","width":"Not published","window":"Window alignment: not determined","estimated":"Estimated window geometry — manufacturer station schedule not verified","features":[],"warnings":[],"note":"Recline: Not published · Collins AirLounge seat with a lay-flat bed, per the current airline Business guide. No privacy door or unsupported recline measurement inferred."},{"cabin":"premium-economy","classLabel":"Premium Economy","position":"Aisle","pitch":"Not published","width":"Width 18.11023622047244 in","window":"Window alignment: not a window seat","estimated":"","features":[{"key":"extra-legroom","label":"Extra Legroom"}],"warnings":[],"note":"Recline: Not published"},{"cabin":"premium-economy","classLabel":"Premium Economy","position":"Window","pitch":"Not published","width":"Width 18.11023622047244 in","window":"Window alignment: not determined","estimated":"Estimated window geometry — manufacturer station schedule not verified","features":[{"key":"extra-legroom","label":"Extra Legroom"}],"warnings":[],"note":"Recline: Not published"},{"cabin":"premium-economy","classLabel":"Premium Economy","position":"Middle","pitch":"Not published","width":"Width 18.11023622047244 in","window":"Window alignment: not a window seat","estimated":"","features":[{"key":"extra-legroom","label":"Extra Legroom"}],"warnings":[],"note":"Recline: Not published"},{"cabin":"premium-economy","classLabel":"Premium Economy","position":"Aisle","pitch":"Not published","width":"Width 18.11023622047244 in","window":"Window alignment: not a window seat","estimated":"","features":[],"warnings":[],"note":"Recline: Not published"},{"cabin":"premium-economy","classLabel":"Premium Economy","position":"Window","pitch":"Not published","width":"Width 18.11023622047244 in","window":"Window alignment: not determined","estimated":"Estimated window geometry — manufacturer station schedule not verified","features":[],"warnings":[],"note":"Recline: Not published"},{"cabin":"premium-economy","classLabel":"Premium Economy","position":"Middle","pitch":"Not published","width":"Width 18.11023622047244 in","window":"Window alignment: not a window seat","estimated":"","features":[],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Economy","position":"Window","pitch":"Not published","width":"Width 17.716535433070867 in","window":"Window alignment: not determined","estimated":"Estimated window geometry — manufacturer station schedule not verified","features":[{"key":"extra-legroom","label":"Extra Legroom"}],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Economy","position":"Middle","pitch":"Not published","width":"Width 17.716535433070867 in","window":"Window alignment: not a window seat","estimated":"","features":[{"key":"extra-legroom","label":"Extra Legroom"}],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Economy","position":"Aisle","pitch":"Not published","width":"Width 17.716535433070867 in","window":"Window alignment: not a window seat","estimated":"","features":[{"key":"extra-legroom","label":"Extra Legroom"}],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Economy","position":"Window","pitch":"Not published","width":"Width 17.716535433070867 in","window":"Window alignment: not determined","estimated":"Estimated window geometry — manufacturer station schedule not verified","features":[],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Economy","position":"Middle","pitch":"Not published","width":"Width 17.716535433070867 in","window":"Window alignment: not a window seat","estimated":"","features":[],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Economy","position":"Aisle","pitch":"Not published","width":"Width 17.716535433070867 in","window":"Window alignment: not a window seat","estimated":"","features":[],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Economy","position":"Middle","pitch":"Not published","width":"Width 17.716535433070867 in","window":"Window alignment: not a window seat","estimated":"","features":[{"key":"extra-legroom","label":"Extra Legroom"},{"key":"exit-row","label":"Exit Row"}],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Economy","position":"Aisle","pitch":"Not published","width":"Width 17.716535433070867 in","window":"Window alignment: not a window seat","estimated":"","features":[{"key":"extra-legroom","label":"Extra Legroom"},{"key":"exit-row","label":"Exit Row"}],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Narrower seat · 42 cm","position":"Window","pitch":"Not published","width":"Width 16.53543307086614 in","window":"Window alignment: not determined","estimated":"Estimated window geometry — manufacturer station schedule not verified","features":[],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Narrower seat · 42 cm","position":"Middle","pitch":"Not published","width":"Width 16.53543307086614 in","window":"Window alignment: not a window seat","estimated":"","features":[],"warnings":[],"note":"Recline: Not published"},{"cabin":"economy","classLabel":"Narrower seat · 42 cm","position":"Aisle","pitch":"Not published","width":"Width 16.53543307086614 in","window":"Window alignment: not a window seat","estimated":"","features":[],"warnings":[],"note":"Recline: Not published"}]

Legend

  • Business
  • Premium Economy
  • Economy
  • Window
  • Aisle
  • Middle
  • Extra Legroom
  • Exit Row

Cabin facilities · icon key

  • Lavatory
  • Unspecified fixture
Cabin summary · installed seats
DeckCabin classRowsLayoutPitchWidthReclineInstalled positionsSeats in use
Main deckAirLounge1, 2, 3, 4, 5, 6, 7, 81–2–1Not publishedNot publishedNot published3030
Main deckPremium Economy20, 21, 22, 232–4–2Not published18.11023622047244 inNot published2626
Main deckEconomy31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 453–3–3Not published17.716535433070867 inNot published129129
Main deckEconomy51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 663–3–3Not published17.716535433070867 inNot published127127
Main deckNarrower seat · 42 cm653–3–3Not published16.53543307086614 inNot published99
Total321321

Best seats to consider

Compare the source-marked extra-legroom positions and the exact AirLounge/Premium Economy cabin. Partial side banks differ between the two A350 capacities; a row number from one version does not establish the same seat in the other.

Finnair airbus-a350-900 · 321 seats: For additional legroom, compare the 24 marked positions: 20J, 20L, 21A, 21C, 21D, 21E, 21G, 21H, 31A, 31B, 31C, 31D, and 12 more. These markings do not specify an exact seat pitch.

Seats to be aware of

The source marks narrower rear Economy seats; check their width and proximity to the labeled toilets. No missing-window or no-recline restriction is inferred for an unmarked position.

No seat-specific window or recline restriction is confirmed in the data for Finnair airbus-a350-900 · 321 seats. Missing annotations do not guarantee that a seat is unrestricted.

What to know

Installed capacity precedes free adjacent Business seats. All millimeter stations and drawing footprints are schematic. Published widths come from the current source; fleet minimum pitch is not presented as a uniform per-seat measurement. Unlabeled blocks remain unspecified.

Across 1 deck(s), the Finnair airbus-a350-900 · 321 seats layout provides 321 seats in Business, Premium Economy, Economy.

Finnair airbus-a350-900 · 321 seats: Exit-area markings apply to 51B, 51C, 51D, 51E, 51H, 51J, 51K. Extra legroom is listed separately; an exit designation alone does not confirm more space.

Finnair airbus-a350-900 · 321 seats: Cabin-front positions include 1D, 1H, 20J, 20L, 31A, 31B, 31C, 31D, 31E, 31H, 31J, 31K, and 8 more. Partitions in the drawing are schematic; under-seat storage and bulkhead restrictions are not confirmed by those lines alone.

Frequently asked questions

How many seats are in Finnair airbus-a350-900 · 321 seats?

The Finnair airbus-a350-900 · 321 seats configuration has 321 passenger seats across 1 deck(s). Its cabin classes are Business, Premium Economy, Economy.

Are seat pitch and width confirmed for Finnair airbus-a350-900 · 321 seats?

At least one cabin in Finnair airbus-a350-900 · 321 seats has unpublished pitch or width. The table identifies unknown measurements; drawing dimensions must not be used as passenger specifications.

Which seats are marked for extra legroom?

For Finnair airbus-a350-900 · 321 seats, the source marks 20J, 20L, 21A, 21C, 21D, 21E, 21G, 21H, 31A, 31B, 31C, 31D, and 12 more for extra legroom. The annotation does not establish an exact pitch or guarantee availability on your flight.

Other configurations of this aircraft