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Lounge Frog guide

Finnair Airbus A350-900 seat map

Finnair's own seat map for this Airbus A350-900 shows 278 seats: 43 Business, 24 Premium Economy and 211 Economy. Business Class runs from row 1 to 12 in a 1-2-1 layout. Premium Economy runs from row 21 to 23 in a 2-4-2 layout. Economy Class runs from row 31 to 66 in a 3-3-3 layout. Row 51 is the exit row. This is Finnair's 278-seat A350, the one its map names for OH-LWA, OH-LWB, OH-LWC, OH-LWD, OH-LWE, OH-LWF, OH-LWG, OH-LWH, OH-LWM and OH-LWO. Business Class seats are Finnair's AirLounge seats, which it calls flat beds, in two cabins either side of the second doors; row 9 is a single seat at L. Economy runs 31 to 39, then 51 to 66 behind the mid-cabin doors, where row 51 has no A or L; row 65 has narrower seats (42 cm). The accessible toilet is in the middle behind row 39.

278 seats✓ Checked against Finnair's seat map · October 2026
Finnair Airbus A350-900
Finnair Airbus A350-900. Photo: Valentin Hintikka, CC BY 2.0

Cabins at a glance

  • Business

    Business Class

    43seats · 1-2-1

    Lie-flat bed · rows 1–12

    Best pick: row 1, seat DFront-row Business seat in the middle pair, the most private spot in the cabin.

  • Premium Economy

    Premium Economy

    24seats · 2-4-2

    Recliner · 38" pitch · 18.1" wide · rows 21–23

    Best pick: row 21, seat AFront row of Premium Economy with Extra leg room.

  • Economy

    Economy Class

    211seats · 3-3-3

    Recliner · 31" pitch · 17.7" wide · rows 31–66

    Best pick: row 31, seat AFirst Economy row with Extra leg room.

Seat map

Green seats are good, amber are a trade-off, red are best avoided. Hover over or tap a seat to see why.

Front of aircraft

Business Class

1-2-1 · Lie-flat bed

1
Bulkhead
2
3
4
5
6
7
8
Lav
9
10
11
12

Premium Economy

2-4-2 · Recliner · 38" pitch · 18.1" wide

21
Bulkhead
22
23

Economy Class

3-3-3 · Recliner · 31" pitch · 17.7" wide

31
Bulkhead
32
33
34
35
36
37
38
Lav
Lavatory
Lavatory
39
Lav
LavatoryAccessible toilet
51
Exit
52
53
54
55
56
57
58
59
60
61
62
63
64
65
Lav
Lavatory
Lavatory
66
Exit

Back of aircraft

Seat map updated October 2026. Rows and seats are as Finnair's own seat map shows them. Airlines change layouts and swap aircraft, so check the seat map in your booking too.

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Cabins

CabinSeatsRowsLayoutSeatPitchWidth
Business Class
431–121-2-1Lie-flat bed——
Premium Economy
2421–232-4-2Recliner38 in18.1 in
Economy Class
21131–663-3-3Recliner31 in17.7 in

Best and worst seats

Best seats

  • Row 1, seat D · Business Class

    Front-row Business seat in the middle pair, the most private spot in the cabin.

  • Row 10, seat A · Business Class

    Window seat at the front of the small rear Business cabin.

  • Row 21, seat A · Premium Economy

    Front row of Premium Economy with Extra leg room.

  • Row 21, seat J · Premium Economy

    Front row of Premium Economy with Extra leg room on the right.

  • Row 31, seat A · Economy Class

    First Economy row with Extra leg room.

  • Row 51, seat B · Economy Class

    Exit row behind the mid-cabin doors.

  • Row 51, seats C, J and K · Economy Class

    Exit row with extra legroom

  • Row 51, seat E · Economy Class

    Extra leg room in the middle block behind the mid-cabin doors.

Trade-offs

  • Row 1, seat H · Business Class

    Bulkhead row, so nobody reclines into you

  • Row 9, seat L · Business Class

    A lone Business seat behind the doors: likely extra room in front, but next to the galley area.

  • Row 12, seat L · Business Class

    Last Business row, just ahead of the Premium Economy divider.

  • Row 21, seats C, D, E, G, H and L · Premium Economy

    Bulkhead row, so nobody reclines into you

  • Row 31, seats B, C, D, E, H, J, K and L · Economy Class

    Bulkhead row, so nobody reclines into you

  • Row 51, seats D and H · Economy Class

    Finnair's map marks this an Extra leg room seat

Seats to avoid

  • Row 8, seat A · Business Class

    Next to a lavatory, with queues, noise and flushing

  • Row 38, seat A · Economy Class

    Backs onto the mid-cabin lavatory: recline is likely limited.

  • Rows 38 and 65, seats B, C, J, K and L · Economy Class

    Next to a lavatory, with queues, noise and flushing

  • Row 39, seats D, E and H · Economy Class

    Next to a lavatory, with queues, noise and flushing

  • Row 65, seat A · Economy Class

    Narrower seat (42 cm) at the back, beside the rear lavatory.

  • Row 65, seats D, E and H · Economy Class

    Finnair's map marks this a Narrower seat (42 cm wide at the armrest, against 45 cm in a normal row)

  • Row 66, seats D and H · Economy Class

    Backs onto a lavatory or wall, so recline is likely limited

  • Row 66, seat E · Economy Class

    Last row, in the middle against the rear galley area.

Quick answers

How many seats does Finnair's Airbus A350-900 (278 seats) have?

Finnair's Airbus A350-900 (278 seats) has 278 seats: 43 in Business Class, 24 in Premium Economy and 211 in Economy Class.

What are the best Economy seats on Finnair's Airbus A350-900 (278 seats)?

On Finnair's Airbus A350-900 (278 seats), the best Economy seats are row 31, seat A (first Economy row with Extra leg room.), row 51, seat B (exit row behind the mid-cabin doors.) and row 51, seats C, J and K (exit row with extra legroom).

Which seats should I avoid on Finnair's Airbus A350-900 (278 seats)?

On Finnair's Airbus A350-900 (278 seats), avoid row 8, seat A (next to a lavatory, with queues, noise and flushing), row 38, seat A (backs onto the mid-cabin lavatory: recline is likely limited.) and rows 38 and 65, seats B, C, J, K and L (next to a lavatory, with queues, noise and flushing).

What is Business Class like on Finnair's Airbus A350-900 (278 seats)?

Business Class on Finnair's Airbus A350-900 (278 seats) has 43 seats, rows 1 to 12, in a 1-2-1 layout (lie-flat bed). The pick: row 1, seat D (front-row Business seat in the middle pair, the most private spot in the cabin.).

What is Premium Economy like on Finnair's Airbus A350-900 (278 seats)?

Premium Economy on Finnair's Airbus A350-900 (278 seats) has 24 seats, rows 21 to 23, in a 2-4-2 layout, 38-inch pitch, 18.1-inch-wide seats (recliner). The pick: row 21, seat A (front row of Premium Economy with Extra leg room.).

How much legroom is there in Economy on Finnair's Airbus A350-900 (278 seats)?

Economy on Finnair's Airbus A350-900 (278 seats) has about 31 inches of seat pitch and seats about 17.7 inches wide, in a 3-3-3 layout. Exit rows and bulkheads have more legroom.

Read on

Lounge Frog compiles seat maps from what airlines publish about their cabins and rates the seats with the same rules on every aircraft. Spotted a wrong row? Tell us and we'll correct it.

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