| Regular Season: Week 1 |
 Chargers |
at |
 Redskins |
Sunday, September 16, 1973 |
3:00PM |
SD 0, WAS 38 |
| Regular Season: Week 2 |
 Bills |
at |
Chargers |
Sunday, September 23, 1973 |
3:00PM |
BUF 7, SD 34 |
| Regular Season: Week 3 |
 Bengals |
at |
Chargers |
Sunday, September 30, 1973 |
3:00PM |
CIN 20, SD 13 |
| Regular Season: Week 4 |
Chargers |
at |
 Steelers |
Sunday, October 7, 1973 |
3:00PM |
SD 21, PIT 38 |
| Regular Season: Week 5 |
 Raiders |
at |
Chargers |
Sunday, October 14, 1973 |
3:00PM |
OAK 27, SD 17 |
| Regular Season: Week 6 |
 Falcons |
at |
Chargers |
Sunday, October 21, 1973 |
3:00PM |
ATL 41, SD 0 |
| Regular Season: Week 7 |
Chargers |
at |
 Browns |
Sunday, October 28, 1973 |
2:00PM |
SD 16, CLE 16 |
| Regular Season: Week 8 |
 Chiefs |
at |
Chargers |
Sunday, November 4, 1973 |
3:00PM |
KC 19, SD 0 |
| Regular Season: Week 9 |
Chargers |
at |
 Broncos |
Sunday, November 11, 1973 |
3:00PM |
SD 19, DEN 30 |
| Regular Season: Week 10 |
 Saints |
at |
Chargers |
Sunday, November 18, 1973 |
3:00PM |
NO 14, SD 17 |
| Regular Season: Week 11 |
Chargers |
at |
Raiders |
Sunday, November 25, 1973 |
3:00PM |
SD 3, OAK 31 |
| Regular Season: Week 12 |
Chargers |
at |
 Patriots |
Sunday, December 2, 1973 |
3:00PM |
SD 14, NE 30 |
| Regular Season: Week 13 |
Broncos |
at |
Chargers |
Sunday, December 9, 1973 |
3:00PM |
DEN 42, SD 28 |
| Regular Season: Week 14 |
Chargers |
at |
Chiefs |
Sunday, December 16, 1973 |
3:00PM |
SD 6, KC 33 |