| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2023 | Víkingur Reykjavík | Úrvalsdeild | 0 | 0 | 0 | 0 | 0 | – |
| 2021 | Valur | Úrvalsdeild | 21 | 0 | 0 | 0 | 0 | – |
| 2020 | Valur | Úrvalsdeild | 18 | 0 | 0 | 0 | 0 | – |
| 2019 | Valur | Úrvalsdeild | 19 | 0 | 0 | 1 | 0 | – |
| 2018/2019 | Qarabag | Premyer Liqa | 4 | 0 | 0 | 0 | 0 | – |
| 2017/2018 | Randers | Superliga | 30 | 0 | 0 | 0 | 0 | – |
| 2016/2017 | Randers | Superliga | 35 | 0 | 0 | 1 | 0 | – |
| 2016 | Bodø / Glimt | Eliteserien | 14 | 0 | 1 | 0 | 0 | 6.8 |
| 2015/2016 | NEC | Eredivisie | 8 | 0 | 0 | 0 | 0 | 7.1 |
| 2015 | Sandnes Ulf | 1. Division | 15 | 0 | 0 | 0 | 0 | – |
| 2014 | Sandnes Ulf | Eliteserien | 30 | 0 | 0 | 0 | 0 | – |
| 2013 | KR | Úrvalsdeild | 20 | 0 | 0 | 0 | 1 | – |
| 2012 | KR | Úrvalsdeild | 21 | 0 | 0 | 0 | 1 | – |
| 2012 | Brann | Eliteserien | 1 | 0 | 0 | 0 | 0 | – |
| 2011 | KR | Úrvalsdeild | 22 | 0 | 0 | 2 | 0 | – |
| 2010 | Fram | Úrvalsdeild | 21 | 0 | 0 | 2 | 0 | – |
| 2009 | Fram | Úrvalsdeild | 22 | 0 | 0 | 0 | 0 | – |
| Total | 301 | 0 | 1 | 6 | 2 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| - | Valur | Víkingur R | Free | |
| 04 Sept 2019 | Qarabağ | Valur | Free | |
| 07 Apr 2018 | Randers | Qarabağ | N/A | |
| - | NEC | Randers | N/A | |
| 03 Nov 2016 | NEC | Bodø/Glimt | Loan | |
| 07 Jul 2015 | Sandnes | NEC | N/A | |
| 01 Jan 2014 | KR | Sandnes | N/A | |
| - | KR | Brann | Loan |
H. Halldórsson career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.