| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 2 | Mamma Mia! Here We Go Again | $5,340,046 | -42.5% | 692 | -15 | $7,716 | $54,703,871 | 3 | Universal Pictures International (UPI) | false | false |
| 2 | - | Ant-Man and the Wasp | $4,880,620 | - | 586 | - | $8,328 | $4,880,620 | 1 | Walt Disney Pictures | true | false |
| 3 | 1 | Mission: Impossible - Fallout | $3,208,129 | -66.4% | 650 | -265 | $4,935 | $18,742,929 | 2 | Paramount Pictures International | false | false |
| 4 | 3 | Incredibles 2 | $3,101,227 | -53.9% | 692 | +31 | $4,481 | $52,209,521 | 4 | Walt Disney Pictures | false | false |
| 5 | 4 | Hotel Transylvania 3: Summer Vacation | $1,888,152 | -58.2% | 830 | -47 | $2,274 | $10,149,430 | 2 | Sony Pictures Releasing | false | false |
| 6 | - | Teen Titans GO! To the Movies | $506,664 | - | 458 | - | $1,106 | $506,664 | 1 | Warner Bros. | true | false |
| 7 | 7 | The First Purge | $223,801 | -37.9% | 164 | -40 | $1,364 | $7,348,367 | 5 | Universal Pictures International (UPI) | false | false |
| 8 | 5 | Jurassic World: Fallen Kingdom | $216,849 | -51.5% | 187 | -52 | $1,159 | $54,854,945 | 9 | Universal Pictures International (UPI) | false | false |
| 9 | 6 | Skyscraper | $152,933 | -64.3% | 205 | -161 | $746 | $6,809,168 | 4 | Universal Pictures International (UPI) | false | false |
| 10 | 8 | Ocean's Eight | $76,474 | -53.6% | 96 | -61 | $796 | $14,200,967 | 7 | Warner Bros. | false | false |
| 11 | 9 | Sherlock Gnomes | $56,174 | -56.5% | 190 | -82 | $295 | $11,876,086 | 13 | Paramount Pictures International | false | false |
| 12 | - | Fanney Khan | $47,633 | - | 40 | - | $1,190 | $47,633 | 1 | Rising Star Entertainment | true | false |
| 13 | - | The Producers 2018 Re-release | $46,470 | - | 142 | - | $327 | $46,470 | 1 | StudioCanal | true | false |
| 14 | - | André Rieu's 2018 Maastricht Concert | $46,258 | - | 52 | - | $889 | $2,146,524 | 2 | - | false | false |
| 15 | 11 | Apostasy | $40,187 | -53.5% | 28 | -2 | $1,435 | $189,967 | 2 | Curzon Film Distributors | false | false |
| 16 | 13 | Show Dogs | $29,867 | -52.2% | 196 | -90 | $152 | $4,492,655 | 11 | Entertainment One | false | false |
| 17 | 10 | Thomas & Friends: Big World! Big Adventures! | $29,477 | -71.3% | 167 | -102 | $176 | $484,608 | 3 | National Amusements | false | false |
| 18 | - | Sicilian Ghost Story | $28,519 | - | 19 | - | $1,501 | $28,519 | 1 | Altitude Film Entertainment | true | false |
| 19 | 17 | Patrick the Pug | $28,374 | +66.9% | 155 | +39 | $183 | $1,476,128 | 6 | Walt Disney Pictures | false | false |
| 20 | - | The Escape | $28,337 | - | 24 | - | $1,180 | $28,337 | 1 | Vertigo Films | true | false |
| 21 | - | Mulk | $23,523 | - | 26 | - | $904 | $23,523 | 1 | Zee Studios | true | false |
| 22 | - | Karwaan | $19,932 | - | 22 | - | $906 | $19,932 | 1 | - | true | false |
| 23 | 12 | Hotel Artemis | $19,125 | -77.6% | 86 | -119 | $222 | $903,931 | 3 | Warner Bros. | false | false |
| 24 | - | Leave No Trace | $14,911 | - | 12 | - | $1,242 | $453,236 | 6 | Sony Pictures Releasing | false | false |
| 25 | - | The Big Bad Fox and Other Tales | $14,783 | - | 40 | - | $369 | $14,783 | 1 | StudioCanal | true | false |
| 26 | 15 | Swimming with Men | $14,766 | -17.4% | 12 | -5 | $1,230 | $368,757 | 5 | Vertigo Films | false | false |
| 27 | - | The Apparition | $14,462 | - | 17 | - | $850 | $14,462 | 1 | MUBI | true | false |
| 28 | - | Hearts Beat Loud | $14,133 | - | 16 | - | $883 | $14,133 | 1 | Park Circus | true | false |
| 29 | 25 | The Happy Prince | $8,485 | +1.5% | 8 | -4 | $1,060 | $1,067,231 | 8 | Lionsgate Films | false | false |
| 30 | 22 | A Prayer Before Dawn | $7,634 | -20.5% | 10 | +4 | $763 | $98,530 | 3 | Altitude Film Entertainment | false | false |
| 31 | 20 | Whitney | $4,791 | -60.7% | 11 | -8 | $435 | $562,737 | 5 | Altitude Film Entertainment | false | false |
| 32 | 41 | Yellow Submarine | $4,514 | +261.7% | 8 | +6 | $564 | $257,354 | 5 | Picturehouse Entertainment | false | false |
| 33 | 21 | McQueen | $4,509 | -57.6% | 4 | -3 | $1,127 | $818,205 | 9 | Lionsgate Films | false | false |
| 34 | 16 | Maurice 2018 Re-release | $4,506 | -74.5% | 5 | -7 | $901 | $34,132 | 2 | British Film Institute (BFI) | false | false |
| 35 | - | The Beaches of Agnès 2018 Re-release | $4,453 | - | 1 | - | $4,453 | $4,453 | 1 | Curzon Film Distributors | true | false |
| 36 | 24 | Zoo | $3,703 | -58.1% | 18 | -5 | $205 | $170,506 | 6 | Entertainment One | false | false |
| 37 | - | Mary Shelley | $2,915 | - | 9 | - | $323 | $144,011 | 5 | Curzon Film Distributors | false | false |
| 38 | 33 | The More You Ignore Me | $2,592 | -36% | 2 | -7 | $1,296 | $43,657 | 5 | Entertainment Film Distributors | false | false |
| 39 | - | Cléo from 5 to 7 | $1,886 | - | 1 | - | $1,886 | $1,886 | 1 | Curzon Film Distributors | true | false |
| 40 | - | Isle of Dogs | $1,746 | - | 24 | - | $72 | $7,809,727 | 19 | 20th Century Fox International | false | false |
| 41 | - | Funny Cow | $1,682 | - | 2 | - | $841 | $690,624 | 16 | Entertainment One | false | false |
| 42 | - | La Pointe Courte | $1,596 | - | 1 | - | $1,596 | $1,596 | 1 | Curzon Film Distributors | true | false |
| 43 | 39 | Pin Cushion | $1,414 | -6% | 6 | +1 | $235 | $46,976 | 4 | - | false | false |
| 44 | 19 | Kaiser: The Greatest Footballer Never To Play Football | $1,330 | -90.7% | 1 | -23 | $1,330 | $15,580 | 2 | Kaleidoscope | false | false |
| 45 | 23 | Solo: A Star Wars Story | $1,273 | -86.2% | - | - | - | $25,832,220 | 11 | Walt Disney Pictures | false | false |
| 46 | 31 | Tracking Edith | $1,262 | -74.5% | 3 | - | $420 | $8,890 | 2 | Contemporary Films | false | false |
| 47 | - | Postcards from the 48% | $1,136 | - | 1 | - | $1,136 | $18,025 | 5 | Guerilla Films | false | false |
| 48 | 38 | Spitfire | $1,037 | -48.9% | 2 | -4 | $518 | $292,350 | 3 | Altitude Film Entertainment | false | false |
| 49 | 27 | Avengers: Infinity War | $943 | -87.7% | - | - | - | $96,632,502 | 15 | Walt Disney Pictures | false | false |
| 50 | 29 | Peter Rabbit | $647 | -88.4% | 7 | -16 | $92 | $57,193,313 | 21 | Sony Pictures Releasing | false | false |
| 51 | 36 | Soorma | $581 | -79% | 1 | -1 | $581 | $86,960 | 4 | Sony Pictures Releasing | false | false |
| 52 | 47 | Time Trial | $568 | +59.1% | 1 | - | $568 | $82,597 | 6 | Scottish Documentary Institute | false | false |
| 53 | - | The Gleaners & I 2018 Re-release | $458 | - | 1 | - | $458 | $458 | 1 | Curzon Film Distributors | true | false |
| 54 | 42 | The Guernsey Literary and Potato Peel Pie Society | $354 | -61.1% | 1 | -1 | $354 | $7,634,983 | 16 | StudioCanal | false | false |
| 55 | 43 | Arcadia | $322 | -43.1% | 1 | -1 | $322 | $37,592 | 7 | British Film Institute (BFI) | false | false |
| 56 | 40 | The Receptionist | $190 | -85.1% | 1 | -1 | $190 | $10,814 | 3 | Munro Films | false | false |
| 57 | 45 | On Chesil Beach | $157 | -59.4% | 1 | - | $157 | $1,303,400 | 12 | Lionsgate Films | false | false |
| 58 | - | Black Panther | $108 | - | - | - | - | $70,629,039 | 25 | Walt Disney Pictures | false | false |
