The Chicago Bulls have the highest point differential by a team in an NBA Finals game, with a 42 point differential versus the Jazz on June 7, 1998.

largest point differential in an nba finals game

TEAM	DIFF	DATE	SEASON	SERIES	TM		OPP	RESULT	MIN	PTS	REB	AST	STL	BLK	TOV	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	PF
Chicago Bulls	42	6/7/1998	1997-98	NBA Finals	CHI	vs	UTA	W 96-54	240	96	50	25	13	6	17	37	76	48.7	4	11	36.4	18	26	69.2	19
Boston Celtics	39	6/17/2008	2007-08	NBA Finals	BOS	vs	LAL	W 131-92	240	131	48	33	18	4	7	43	87	49.4	13	26	50.0	32	37	86.5	25
San Antonio Spurs	36	6/11/2013	2012-13	NBA Finals	SAS	vs	MIA	W 113-77	240	113	52	29	10	4	12	43	88	48.9	16	32	50.0	11	19	57.9	13
Washington Bullets	35	6/4/1978	1977-78	NBA Finals	WAS	vs	SEA	W 117-82	240	117	69	26	12	10	21	46	103	44.7				25	34	73.5	25
Boston Celtics	34	5/27/1985	1984-85	NBA Finals	BOS	vs	LAL	W 148-114	240	148	48	43	10	3	13	62	102	60.8	7	9	77.8	17	25	68.0	17
Boston Celtics	34	4/2/1961	1960-61	NBA Finals	BOS	vs	STL	W 129-95	240	129	85	24				52	123	42.3				25	33	75.8	23
Golden State Warriors	33	6/5/2016	2015-16	NBA Finals	GSW	vs	CLE	W 110-77	240	110	46	26	7	9	20	44	81	54.3	15	33	45.5	7	10	70.0	20
Indiana Pacers	33	6/16/2000	1999-00	NBA Finals	IND	vs	LAL	W 120-87	240	120	46	26	7	4	14	39	68	57.4	10	20	50.0	32	36	88.9	24
Chicago Bulls	33	6/3/1992	1991-92	NBA Finals	CHI	vs	POR	W 122-89	240	122	44	38	7	7	11	50	91	54.9	7	15	46.7	15	22	68.2	21
Los Angeles Lakers	33	6/3/1984	1983-84	NBA Finals	LAL	vs	BOS	W 137-104	240	137	63	36	7	6	10	53	103	51.5	0	1	0.0	31	44	70.5	27
Philadelphia 76ers	33	6/6/1982	1981-82	NBA Finals	PHI	vs	LAL	W 135-102	240	135	39	37	14	13	11	56	94	59.6	0	0		23	34	67.6	18
Boston Celtics	33	4/25/1965	1964-65	NBA Finals	BOS	vs	LAL	W 129-96	240	129	71	24				55	115	47.8				19	24	79.2	24
Portland Trail Blazers	32	5/31/1977	1976-77	NBA Finals	POR	vs	PHI	W 130-98	240	130	48	37	13	7	19	54	96	56.3				22	31	71.0	40
Boston Celtics	32	4/18/1965	1964-65	NBA Finals	BOS	vs	LAL	W 142-110	240	142	77	30				53	124	42.7				36	47	76.6	26
Detroit Pistons	31	6/16/2005	2004-05	NBA Finals	DET	vs	SAS	W 102-71	240	102	47	23	13	6	3	41	90	45.6	2	9	22.2	18	23	78.3	22
Philadelphia 76ers	31	4/16/1967	1966-67	NBA Finals	PHI	vs	SFW	W 126-95	240	126	93	34				55	118	46.6				16	36	44.4	26
Cleveland Cavaliers	30	6/8/2016	2015-16	NBA Finals	CLE	vs	GSW	W 120-90	240	120	52	23	8	3	13	48	91	52.7	12	25	48.0	12	17	70.6	25
Boston Celtics	29	5/12/1981	1980-81	NBA Finals	BOS	vs	HOU	W 109-80	240	109	54	25	5	8	14	41	94	43.6	0	3	0.0	27	35	77.1	23
Rochester Royals	27	4/7/1951	1950-51	NBA Finals	ROC	vs	NYK	W 92-65	240	92	64	31				36	81	44.4				20	30	66.7	22
Los Angeles Lakers	25	6/4/2009	2008-09	NBA Finals	LAL	vs	ORL	W 100-75	240	100	55	18	4	7	8	41	89	46.1	3	9	33.3	15	18	83.3	23
Detroit Pistons	25	6/14/1988	1987-88	NBA Finals	DET	vs	LAL	W 111-86	240	111	48	22	6	7	12	37	78	47.4	1	3	33.3	36	46	78.3	30
Los Angeles Lakers	25	6/2/1985	1984-85	NBA Finals	LAL	vs	BOS	W 136-111	240	136	49	34	12	6	12	52	96	54.2	4	8	50.0	28	36	77.8	28
Boston Celtics	25	4/5/1960	1959-60	NBA Finals	BOS	vs	STL	W 127-102	240	127	72	25				55	122	45.1				17	24	70.8	22
Miami Heat	24	6/15/2006	2005-06	NBA Finals	MIA	vs	DAL	W 98-74	240	98	48	19	7	7	18	34	66	51.5	7	19	36.8	23	36	63.9	26
San Francisco Warriors	24	4/22/1964	1963-64	NBA Finals	SFW	vs	BOS	W 115-91	240	115	61	29				47	88	53.4				21	35	60.0	25