The Chicago Bears have averaged the most passing yards per attempt by a team in a season, with 10.2 yards in 1941.

highest passing yard per attempt in an nfl season
1941Bears1942Bears1953Browns1943Bears1954Rams1957Browns1955Browns198949ers2000Rams2011Packers2016Falcons1968Chiefs2021Bengals1961Oilers1988Bengals1969Cowboys1984Dolphins2004Colts2021Cardinals2021Rams1982Chargers1960Eagles1939Redskins10.210.210.110.19.99.69.59.59.49.39.29.29.29.29.29.09.09.09.08.98.98.98.9
TEAMSEASONGPAVGCMPATTPCTYDSYDS/GTDTD%INTINT%SCKSCKYRATE
Chicago BearsChicago Bears19411110.29819650.02,002182.0199.7115.695.2
Chicago BearsChicago Bears19421110.29419448.51,974179.52110.82914.981.4
Cleveland BrownsCleveland Browns19531210.119130363.03,059254.9165.393.031245101.9
Chicago BearsChicago Bears19431010.111722951.12,310231.02812.2177.495.3
Los Angeles RamsLos Angeles Rams1954129.917132153.33,180265.0154.7237.21713373.5
Cleveland BrownsCleveland Browns1957129.610819555.41,873156.1126.2147.22016178.9
Cleveland BrownsCleveland Browns1955129.513023455.62,225185.4219.0114.73427598.3
San Francisco 49ersSan Francisco 49ers1989169.533948370.24,584286.5357.2112.345282114.8
St. Louis RamsSt. Louis Rams2000169.438058764.75,492343.3376.3233.94426099.7
Green Bay PackersGreen Bay Packers2011169.337655268.15,161322.6519.281.441237122.6
Atlanta FalconsAtlanta Falcons2016169.237453769.64,960310.0387.171.337235116.8
Kansas City ChiefsKansas City Chiefs1968149.215627057.82,492178.0207.4114.12421696.4
Cincinnati BengalsCincinnati Bengals202179.214721369.01,963280.4188.583.817124110.5
Houston OilersHouston Oilers1961149.225449851.04,568326.3489.6295.81417690.7
Cincinnati BengalsCincinnati Bengals1988169.222539257.43,592224.5287.1143.63024597.0
Dallas CowboysDallas Cowboys1969149.018935553.23,212229.4246.8185.14436685.6
Miami DolphinsMiami Dolphins1984169.036757264.25,146321.6498.6183.114128108.5
Indianapolis ColtsIndianapolis Colts2004169.035352767.04,732295.8519.7101.914109119.7
Arizona CardinalsArizona Cardinals202179.016422373.52,002286.0177.652.216143116.8
Los Angeles RamsLos Angeles Rams202178.916724368.72,172310.3197.852.1760114.1
San Diego ChargersSan Diego Chargers198298.920833861.53,021335.7195.6123.6129494.6
Philadelphia EaglesPhiladelphia Eagles1960128.917733153.52,957246.4298.8206.01814187.9
Washington RedskinsWashington Redskins1939118.911720158.21,795163.2189.0189.080.3
Baltimore ColtsBaltimore Colts1976148.921536159.63,221230.1246.6102.83028899.5
Philadelphia EaglesPhiladelphia Eagles1961148.924142956.23,824273.1347.9266.12721987.2
Green Bay PackersGreen Bay Packers1983168.931152659.14,688293.0336.3326.14232384.1
Green Bay PackersGreen Bay Packers1966148.919331860.72,831202.2185.751.631229102.1
St. Louis RamsSt. Louis Rams2001168.937955168.84,903306.4376.7224.040240102.2
Chicago BearsChicago Bears1939118.98922140.31,965178.6167.2198.661.0
Cleveland RamsCleveland Rams1945108.99919949.71,767176.7168.02010.167.8
Cleveland BrownsCleveland Browns1960128.916026460.62,343195.3228.351.937299109.5
Houston TexansHouston Texans2020168.938354670.14,843302.7336.071.350305112.3
StatMuse has team, season-level data for yards per attempt going back to the 1932 season.