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Thai Airways International Boeing 777-300ER seat map — 348 seats

777-300ER (348 seats: Royal Silk + Economy, 2-class)
348 seats42J/306Y14 aircraft (as of Jul 14, 2026)Last verified Jul 14, 2026

Seat map

Hover or tap any seat to see its rating and details.

Rating
GreatGoodStandardBe awareAvoid
Seat shape
SuiteLie-flatReclinerStandard
Flags & windows
Has a noteWindow mismatch flaggedNo window (structural blank)
Provenance
PUBLISHED MAPDERIVED LAYOUTMIXED SOURCES
Royal Silk ClassBusinessEconomy ClassEconomy · 3-3-3LAVATORY (left)🚻 LAVATORYGALLEY (full_width) — Forward galley/closets at Door 1.🍽 GALLEYLAVATORY (left)🚻 LAVATORYGALLEY (center) — Mid galley between the two Royal Silk cabins.🍽 GALLEYLAVATORY (right)🚻 LAVATORYBASSINET (both_sides)🍼 BASSINETBASSINET (both_sides)🍼 BASSINETBASSINET (center) — Bassinet bulkhead at the front of the over-wing cabin.🍼 BASSINETLAVATORY (center)LAVATORYGALLEY (full_width) — Aft galley.GALLEY111214151617181920212231323334353637383940414243444546474849505152535460616263646566676869707172BEFJADGKBEFJADGKBEFJADGKEFADGKBEFJADGKBEFJABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKJKJKABCHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCHJKABCHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABCDEFHJKABDEFJKABDEFJKEXIT (door) — Door 1 (forward).EXITEXIT (door) — Door 1 (forward).EXITEXIT (door) — Door 2.EXITEXIT (door) — Door 2.EXITLAVATORY ♿ — Accessible + standard lavatories at rows 38-39.LAVATORY ♿LAVATORYLAVATORYBASSINETBASSINETEXIT (door) — Door 3 (mid-cabin).EXITEXIT (door) — Door 3 (mid-cabin).EXITGALLEY — Mid galley in the centre of row 54.GALLEYEXIT (door) — Door 4.EXITEXIT (door) — Door 4.EXITEXIT (door) — Door 5 (aft).EXITEXIT (door) — Door 5 (aft).EXIT

Tap or hover a seat for its rating and details. On a phone, pinch to zoom and drag to pan.

At a glance
348 seats
Rating mix
63Good268Standard10Be aware7Avoid
Best seats
  • — 180-degree fully-flat Royal Silk bed with direct aisle access from every seat.
Seats to avoid
  • — Last row: recline is limited or fixed against the rear bulkhead.
Worth knowing
  • Exit rows: 40 and 60
  • 21 extra-legroom seats
  • 21 seats without under-seat storage

Tap a seat number to jump to it on the map.

How we rate seats →

Best & worst seats

Our rating engine's picks for this cabin layout — see any seat's full reasoning in the map above.

Seats to avoid

  • 72A, 72B, 72D, 72E, 72F, 72J — Last row: recline is limited or fixed against the rear bulkhead.

Seat guide

Cabin-by-cabin guidance generated from the verified layout records behind this map — which seats the ratings favor, which to think twice about, and the rows worth knowing about before you pick.

Royal Silk Class

Rows 11–2242 seats

Best seats

  • 11B, 11E, 11F, 11J, 12A, 12D, 12G, 12K, 14B, 14E, 14F, 14J — 180-degree fully-flat Royal Silk bed with direct aisle access from every seat.

Economy Class

3-3-3Rows 31–72306 seats

Best seats

  • 31A, 31B, 31C, 31D, 31E, 31F, 31H, 31J, 31K — Bulkhead row behind the cabin divider: extra legroom with no seat in front.
  • 40A, 40B, 40C — Bulkhead exit row: generous legroom and no seat in front.

Seats to avoid

  • 72A, 72B, 72D, 72E, 72F, 72J, 72K — Last row: recline is limited or fixed against the rear bulkhead.
  • 38J, 38K, 39J, 39K — Beside the mid-cabin lavatories and door — noise, light and queueing throughout the flight.
  • 54A — Beside a mid-cabin galley — service noise, light and traffic during meal service.
Worth knowing
  • Exit rows: 40 and 60
  • Rows next to a galley: 54 and 72
  • Rows next to a lavatory: 38, 39, and 72
  • 21 extra-legroom seats
  • 21 seats without under-seat storage

Frequently asked questions

How many seats does the Thai Airways International Boeing 777-300ER have?
This configuration has 348 seats: 42 Royal Silk Class, 306 Economy Class.
What are the best seats on the Thai Airways International Boeing 777-300ER?
Top-rated in our data: 11B, 11E, 11F, 11J, 12A, 12D, 12G, 12K — 180-degree fully-flat Royal Silk bed with direct aisle access from every seat.
Which seats should I avoid?
Flagged in our data: 72A, 72B, 72D, 72E, 72F, 72J, 72K — Last row: recline is limited or fixed against the rear bulkhead; 38J — Beside the mid-cabin lavatories and door — noise, light and queueing throughout the flight.
Which rows are the exit rows?
Rows 40 and 60 are exit rows.
Does the Thai Airways International Boeing 777-300ER have lie-flat seats?
Yes — Royal Silk Class has 42 seats that convert to a fully flat bed.

Cabins

Royal Silk Class

42 seats · Staggered layout · lie-flat
Stelia Aerospace Solstys
Pitch
43.5"published
Width
21"published
Seat
Lie-flat bed
Screen
15.4"
Power
AC power outlet · USB-A

THAI publishes 41-46" pitch (staggered), 21" width and a 180-degree fully-flat 73.5" bed; 15.4" personal screen.

Economy Class

306 seats · 3-3-3
Safran 5751
Pitch
31.5"published
Width
18.1"published
Seat
Standard seat
Screen
10.6"
Power
AC power outlet · USB-A

THAI publishes 31-32" pitch and 18.1" width; the seatback reclines to 120 degrees from a 110-degree upright position.

Onboard facilities

Drawn on the interactive map above — hover a monument to confirm its position.

6 lavatories · 4 galleys · 5 door pairs

🍽 GALLEY × 4🚻 WC × 5🚪 EXIT × 5🍼 BASSINET × 3♿ WC ♿ × 1

Amenities

Wi-Fi
Available
THAI Sky Connect · paid · THAI Sky Connect in-flight Wi-Fi offered on the 777-300ER (paid, by credit/debit card); THAI notes it is unavailable on some airframes.
Entertainment
Seatback screens
Personal seat-back high-definition screens in every cabin.
Power
AC power outlet · USB-A
THAI lists an AC power outlet (110 VAC) and a USB port at every seat in all cabins; connector modelled as USB-A (type not specified).
Food & drink
Complimentary meal service on international flights; Thai and international menus.

Seat map image

A printable snapshot of this exact layout — save it for boarding-day reference. The interactive map above stays the source of truth.

Thai Airways International Boeing 777-300ER seat map diagram — Royal Silk Class, Economy Class (348 seats)

Download PNG

Provenance

Sources

Every measurement and claim on this page traces back to one of these. Last verified Jul 14, 2026.

  • Thai Airways InternationalPRIMARY SOURCERetrieved Jul 14, 2026

    Boeing 777-300ER (77B): 14 aircraft, 348 seats — Royal Silk 42, Economy 306; Royal Silk = Stelia Aerospace Solstys, pitch 41"/46", width 21", bed 73.5", 180-degree recline, 15.4" monitor, USB + power; Economy = Safran 5751, pitch 31"/32", width 18.1", 10.6" monitor, USB + power; 11 lavatories; THAI Sky Connect Wi-Fi.

    https://www.thaiairways.com/en-us/content/our-fleet/B777-300ER/ ↗
  • Thai Airways InternationalPRIMARY SOURCERetrieved Jul 14, 2026

    Official 777-300ER (77B) cabin map: Royal Silk staggered 1-2-1 in two zones (Zone A 24 seats rows 11-17, Zone B 18 seats rows 18-22); Economy 3-3-3 in three zones (Zone B 67 rows 31-39, Zone C 129 rows 40-54 over the wing, Zone D 110 rows 60-72); exit doors, galleys, lavatories and bassinet positions.

    https://www.thaiairways.com/content/dam/thaiairways/images/ouraircraft/ouraircraft-map/ouraircraft-77B.png ↗
  • WikipediaINDEPENDENT SOURCERetrieved Jul 14, 2026

    Thai Airways operates 17 Boeing 777-300ER; two-class layout 42 Business / 306 Economy = 348.

    Fleet-tracking article; used only for the in-service count and cross-check of the two-class split.

    https://en.wikipedia.org/wiki/Thai_Airways_International_fleet ↗
How this map was built

THAI's two-class 777-300ER (internal type code 77B), 14 aircraft, the airline's most common 777-300ER. All per-cabin counts and the seat grid are read from THAI's own published cabin map (ouraircraft-77B.png) and the thaiairways.com fleet page: Royal Silk 42 (staggered 1-2-1 Stelia Solstys, 41-46" pitch, 21" width, 180-degree flat 73.5" bed, 15.4" screen) and Economy 306 (3-3-3 Safran 5751, 31-32" pitch, 18.1" width, 10.6" screen). Royal Silk is split into two staggered cabins — Zone A rows 11,12,14,15,16,17 (24 seats, row 13 skipped) and Zone B rows 18-22 (18 seats; row 18 is a centre-pair-only partial where the single seats give way to closets). "Together" rows (centre pair together, single seats toward the aisle) use B/E/F/J; "apart" rows (centre seats split toward the aisles, single seats at the window) use A/D/G/K. Economy is three published zones matching the map exactly: Zone B rows 31-39 (67 = rows 31-37 full 3-3-3, plus rows 38-39 reduced to the right window pair J/K beside the mid-cabin lavatories and Door 3), Zone C rows 40-54 over the wing (129 = row 40 side-blocks-only exit bulkhead behind Door 3 with a centre bassinet bulkhead, rows 41-53 full, row 54 side-blocks-only beside the centre galley), Zone D rows 60-72 (110 = row 60 side-blocks-only exit bulkhead behind Door 4, rows 61-70 full, rows 71-72 taper to 2-3-2 ahead of the aft galley/lavatories). windowAlignment is left "unknown" on every window seat: the published map shows seat positions but not window alignment, and there is no 777 engineering window grid. Recline: Royal Silk 180-degree flat; Economy seatback 110-120 degrees (published as an angle, not modelled numerically).

What changed

  1. Jul 14, 2026Initial TG 777-300ER two-class (77B, 348-seat) config built from THAI's published cabin map + fleet spec page; grid reconciles exactly to published per-cabin/per-zone counts.