Japan Airlines is one of the best in the world(skytraxratings.com), and they have solid prices to Japan.
Alas, they don't fly direct from NZ, so for some routes you're codesharing/connecting first in KL or Sydney or Melbourne, and then JAL from there.
Auckland to Tokyo (10 Oct - 30 Sep) from $1296
Christchurch to Tokyo (10 Oct - 30 Sep) from $1341
Wellington to Tokyo (10 Oct - 30 Sep) from $1473
Queenstown to Tokyo (10 Oct - 30 Sep) from $1685
I also have an article on the top 5 most popular hotels in Tokyo for under $120(beatthatflight.com.au).
Auckland to Tokyo
Dates: 10 Oct 23 - 30 Sep 24
| Return Price | Travel Dates |
|---|---|
| $1560 | 10 Oct to 20 Oct(bookings.beatthatflight.com.au) |
| $1347 | 15 Oct to 8 Nov(bookings.beatthatflight.com.au) |
| $1347 | 18 Oct to 8 Nov(bookings.beatthatflight.com.au) |
| $1386 | 13 Nov to 11 Dec(bookings.beatthatflight.com.au) |
| $1349 | 18 Nov to 12 Dec(bookings.beatthatflight.com.au) |
| $1379 | 30 Jan to 9 Feb(bookings.beatthatflight.com.au) |
| $1378 | 30 Jan to 20 Feb(bookings.beatthatflight.com.au) |
| $1348 | 12 Feb to 7 Mar(bookings.beatthatflight.com.au) |
| $1296 | 17 Feb to 5 Mar(bookings.beatthatflight.com.au) |
| $1296 | 17 Feb to 12 Mar(bookings.beatthatflight.com.au) |
| $1298 | 9 Mar to 19 Mar(bookings.beatthatflight.com.au) |
| $1319 | 9 Mar to 2 Apr(bookings.beatthatflight.com.au) |
| $1298 | 21 Mar to 31 Mar(bookings.beatthatflight.com.au) |
| $1296 | 30 Mar to 23 Apr(bookings.beatthatflight.com.au) |
| $1297 | 24 Apr to 22 May(bookings.beatthatflight.com.au) |
| $1317 | 29 Apr to 9 May(bookings.beatthatflight.com.au) |
| $1317 | 29 Apr to 20 May(bookings.beatthatflight.com.au) |
| $1300 | 9 May to 19 May(bookings.beatthatflight.com.au) |
| $1317 | 9 May to 30 May(bookings.beatthatflight.com.au) |
| $1317 | 29 May to 8 Jun(bookings.beatthatflight.com.au) |
| $1297 | 29 May to 19 Jun(bookings.beatthatflight.com.au) |
| $1299 | 8 Jun to 18 Jun(bookings.beatthatflight.com.au) |
| $1323 | 8 Jul to 29 Jul(bookings.beatthatflight.com.au) |
| $1305 | 18 Jul to 28 Jul(bookings.beatthatflight.com.au) |
| $1323 | 18 Jul to 8 Aug(bookings.beatthatflight.com.au) |
| $1323 | 7 Aug to 17 Aug(bookings.beatthatflight.com.au) |
| $1303 | 7 Aug to 28 Aug(bookings.beatthatflight.com.au) |
| $1316 | 12 Aug to 5 Sep(bookings.beatthatflight.com.au) |
| $1315 | 7 Sep to 17 Sep(bookings.beatthatflight.com.au) |
- Cheapest :$1296(bookings.beatthatflight.com.au) return
Christchurch to Tokyo
Dates: 10 Oct 24 - 30 Sep 24
| Return Price | Travel Dates |
|---|---|
| $2461 | 10 Oct to 3 Nov(bookings.beatthatflight.com.au) |
| $1962 | 18 Nov to 12 Dec(bookings.beatthatflight.com.au) |
| $1854 | 1 Dec to 11 Dec(bookings.beatthatflight.com.au) |
| $1588 | 30 Jan to 9 Feb(bookings.beatthatflight.com.au) |
| $1554 | 30 Jan to 27 Feb(bookings.beatthatflight.com.au) |
| $1458 | 9 Feb to 19 Feb(bookings.beatthatflight.com.au) |
| $1522 | 25 Feb to 6 Mar(bookings.beatthatflight.com.au) |
| $1591 | 4 Mar to 14 Mar(bookings.beatthatflight.com.au) |
| $1597 | 4 Mar to 1 Apr(bookings.beatthatflight.com.au) |
| $1462 | 8 Jun to 18 Jun(bookings.beatthatflight.com.au) |
| $1462 | 8 Jun to 2 Jul(bookings.beatthatflight.com.au) |
| $1530 | 21 Aug to 31 Aug(bookings.beatthatflight.com.au) |
- Cheapest :$1458(bookings.beatthatflight.com.au) return
Wellington to Tokyo
Dates: 10 Oct 23 - 30 Sep 24
| Return Price | Travel Dates |
|---|---|
| $2271 | 10 Oct to 7 Nov(bookings.beatthatflight.com.au) |
| $1995 | 27 Oct to 6 Nov(bookings.beatthatflight.com.au) |
| $1995 | 13 Nov to 11 Dec(bookings.beatthatflight.com.au) |
| $2044 | 30 Nov to 10 Dec(bookings.beatthatflight.com.au) |
| $1547 | 30 Jan to 9 Feb(bookings.beatthatflight.com.au) |
| $1540 | 30 Jan to 27 Feb(bookings.beatthatflight.com.au) |
| $1540 | 4 Mar to 14 Mar(bookings.beatthatflight.com.au) |
| $1597 | 4 Mar to 1 Apr(bookings.beatthatflight.com.au) |
| $1341 | 12 Mar to 22 Mar(bookings.beatthatflight.com.au) |
| $1540 | 24 Apr to 4 May(bookings.beatthatflight.com.au) |
| $1481 | 30 Apr to 10 May(bookings.beatthatflight.com.au) |
| $1473 | 12 Aug to 22 Aug(bookings.beatthatflight.com.au) |
- Cheapest :$1341(bookings.beatthatflight.com.au) return
Queenstown to Tokyo
Dates: 10 Oct - 30 Sep 24
| Return Price | Travel Dates |
|---|---|
| $2662 | 10 Oct to 7 Nov(bookings.beatthatflight.com.au) |
| $2558 | 30 Nov to 10 Dec(bookings.beatthatflight.com.au) |
| $1685 | 30 Jan to 27 Feb(bookings.beatthatflight.com.au) |
| $1752 | 4 Mar to 14 Mar(bookings.beatthatflight.com.au) |
| $1758 | 4 Mar to 1 Apr(bookings.beatthatflight.com.au) |
- Cheapest :$1685(bookings.beatthatflight.com.au) return
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JAL don't fly to NZ at all so perhaps it's a code share from Auckland?