Prelims
Quarter-Finals
Semi-Finals
Stanley Cup
PHI 3
16 EDM 0
NYR 3
ATL 1
CHI 3
10 STL 0
BUF 3
15 VBC 1
MTL 3
14 HAR 0
MIN 3
11 TOR 0
NYI 3
12 LAK 1
BOS 3
13 PIT 2
PHI 4
NYR 1
BUF 4
CHI 0
MTL 3
MIN 4
BOS 1
NYI 4
PHI 4
MIN 1
BUF 2
NYI 4
 
PHI 2
NYI 4
Champ
NYI
1979-80 NHL Champion New York Islanders
Pairings were re-seeded after the first and second rounds.

Preliminary Round

Best of 5-game series
Date    OpponentResultScoreSeries
4/8vs Pittsburgh (13)L  2-4 0-1
4/10vs Pittsburgh (13)W  4-1 1-1
4/12at Pittsburgh (13)L  1-4 1-2
4/13at Pittsburgh (13)W  8-3 2-2
4/14vs Pittsburgh (13)W  6-2 3-2

Quarterfinals

Best of 7-game series
(Pairings were re-seeded after the first and second rounds.)
Date    OpponentResultScoreSeries
4/16vs NY Islanders (5)L  1-2
OT
0-1
4/17vs NY Islanders (5)L  4-5
OT
0-2
4/19at NY Islanders (5)L  3-5 0-3
4/21at NY Islanders (5)W  4-3
OT
1-3
4/22vs NY Islanders (5)L  2-4 1-4