| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | The House with a Clock in Its Walls | $4,431,954 | - | 876 | - | $5,059 | $4,431,954 | 1 | Entertainment One | true | false |
| 2 | - | A Simple Favor | $2,105,862 | - | 480 | - | $4,387 | $2,105,862 | 1 | Lionsgate Films | true | false |
| 3 | 3 | Crazy Rich Asians | $1,494,059 | -28.5% | 542 | +11 | $2,756 | $4,677,003 | 2 | Warner Bros. | false | false |
| 4 | 4 | King of Thieves | $1,467,473 | -26.9% | 526 | +32 | $2,789 | $4,888,654 | 2 | Myndform | false | false |
| 5 | 2 | The Nun | $1,336,335 | -44.2% | 490 | -52 | $2,727 | $12,423,284 | 3 | Warner Bros. | false | false |
| 6 | - | Mile 22 | $1,041,057 | - | 376 | - | $2,768 | $1,041,057 | 1 | STX International | true | false |
| 7 | 1 | The Predator | $873,633 | -71.9% | 589 | -263 | $1,483 | $5,020,360 | 2 | 20th Century Fox International | false | false |
| 8 | 5 | Christopher Robin | $639,766 | -6.1% | - | - | - | $17,829,967 | 6 | Walt Disney Pictures | false | false |
| 9 | 8 | Incredibles 2 | $456,894 | +1.1% | - | - | - | $71,976,809 | 11 | Walt Disney Pictures | false | false |
| 10 | 6 | Mamma Mia! Here We Go Again | $421,535 | -33.1% | 392 | -172 | $1,075 | $84,346,446 | 10 | Universal Pictures International (UPI) | false | false |
| 11 | - | The Little Stranger | $392,530 | - | 296 | - | $1,326 | $392,530 | 1 | 20th Century Fox International | true | false |
| 12 | 9 | Hotel Transylvania 3: Summer Vacation | $335,897 | -0.4% | 417 | -56 | $805 | $24,372,365 | 9 | Sony Pictures Releasing | false | false |
| 13 | 7 | BlacKkKlansman | $310,674 | -42.5% | 225 | -164 | $1,380 | $7,617,054 | 5 | Universal Pictures International (UPI) | false | false |
| 14 | - | The Intent 2: The Come Up | $195,411 | - | 80 | - | $2,442 | $195,411 | 1 | Vertigo Films | true | false |
| 15 | 12 | Mission: Impossible - Fallout | $129,883 | -30.8% | 117 | -69 | $1,110 | $31,362,071 | 9 | Paramount Pictures International | false | false |
| 16 | 16 | Cold War 2018 Re-release | $92,276 | -34.8% | 50 | -29 | $1,845 | $1,170,255 | 4 | Curzon Film Distributors | false | false |
| 17 | 15 | Ant-Man and the Wasp | $89,504 | -48.2% | - | - | - | $22,832,500 | 8 | Walt Disney Pictures | false | false |
| 18 | - | Batti Gul Meter Chalu | $76,530 | - | 52 | - | $1,471 | $76,530 | 1 | Eros Worldwide | true | false |
| 19 | 13 | The Equalizer 2 | $67,007 | -63.8% | 95 | -107 | $705 | $9,482,675 | 6 | Sony Pictures Releasing | false | false |
| 20 | - | Faces Places | $64,786 | - | 34 | - | $1,905 | $64,786 | 1 | Curzon Film Distributors | true | false |
| 21 | 17 | The Children Act | $64,071 | -47.6% | 169 | -84 | $379 | $3,313,201 | 5 | Entertainment One | false | false |
| 22 | - | Matangi/Maya/M.I.A | $56,416 | - | 39 | - | $1,446 | $56,416 | 1 | Periscoop Film | true | false |
| 23 | 14 | Searching | $51,662 | -70.1% | 86 | -131 | $600 | $2,722,256 | 4 | Sony Pictures Releasing | false | false |
| 24 | - | Saamy Square | $41,212 | - | 43 | - | $958 | $41,212 | 1 | RFT Films | true | false |
| 25 | - | Climax | $39,001 | - | 31 | - | $1,258 | $39,001 | 1 | Arrow Films | true | false |
| 26 | 18 | Yardie | $38,460 | -57.2% | 43 | -49 | $894 | $1,421,530 | 4 | StudioCanal | false | false |
| 27 | - | The Godfather 2018 Re-release | $21,701 | - | 9 | - | $2,411 | $21,701 | 1 | Park Circus | true | false |
| 28 | 23 | Sherlock Gnomes | $16,046 | -55.8% | 60 | -144 | $267 | $12,393,965 | 20 | Paramount Pictures International | false | false |
| 29 | - | The Big Lebowski 2018 Re-release | $10,247 | - | 6 | - | $1,707 | $10,247 | 1 | Park Circus | true | false |
| 30 | - | Nureyev: Lifting the Curtain | $8,931 | - | 1 | - | $8,931 | $8,931 | 1 | - | true | false |
| 31 | - | The Spy Who Dumped Me | $8,833 | - | 45 | - | $196 | $3,001,390 | 5 | Lionsgate Films | false | false |
| 32 | 24 | The Festival | $6,914 | -77.6% | 19 | -63 | $363 | $4,490,047 | 6 | Entertainment Film Distributors | false | false |
| 33 | 35 | Thomas & Friends: Big World! Big Adventures! | $5,945 | +81.2% | 52 | +14 | $114 | $650,171 | 10 | National Amusements | false | false |
| 34 | 38 | Mission of Honor | $5,791 | +157% | 17 | +9 | $340 | $143,097 | 3 | Kaleidoscope | false | false |
| 35 | 36 | Spitfire | $5,284 | +119.1% | 4 | - | $1,321 | $353,706 | 10 | Altitude Film Entertainment | false | false |
| 36 | 30 | Slender Man | $4,078 | -25.8% | 31 | - | $131 | $1,354,481 | 5 | Sony Pictures Releasing | false | false |
| 37 | - | Theevandi | $3,614 | - | 11 | - | $328 | $3,614 | 1 | N/A | true | false |
| 38 | - | Where Do We Go from Here? | $3,592 | - | 1 | - | $3,592 | $3,592 | 1 | Independent Films | true | false |
| 39 | - | The Bookshop | $2,681 | - | 3 | - | $893 | $543,287 | 13 | Vertigo Films | false | false |
| 40 | 58 | A Prayer Before Dawn | $1,634 | +4,089.7% | 1 | - | $1,634 | $115,731 | 10 | Altitude Film Entertainment | false | false |
| 41 | 37 | Sgt. Stubby: An American Hero | $1,574 | -33.8% | 7 | -5 | $224 | $147,694 | 7 | - | false | false |
| 42 | - | The Captain | $1,451 | - | 1 | - | $1,451 | $1,451 | 1 | Trinity Filmed Entertainment | true | false |
| 43 | 27 | The Escape | $1,363 | -81.6% | 2 | -11 | $681 | $209,444 | 8 | Vertigo Films | false | false |
| 44 | 53 | Leave No Trace | $1,214 | +418.8% | 1 | - | $1,214 | $555,114 | 13 | Sony Pictures Releasing | false | false |
| 45 | 32 | Alpha | $1,141 | -76.8% | 7 | -23 | $163 | $703,701 | 5 | Sony Pictures Releasing | false | false |
| 46 | 34 | Swimming with Men | $1,112 | -66.2% | 1 | -3 | $1,112 | $594,371 | 12 | Vertigo Films | false | false |
| 47 | 42 | Patrick the Pug | $1,082 | +27% | 11 | +2 | $98 | $1,582,870 | 13 | Walt Disney Pictures | false | false |
| 48 | 43 | Oceans: Our Blue Planet | $1,038 | +66.1% | 1 | - | $1,038 | $2,392 | 3 | Independent Films | false | false |
| 49 | 40 | Under the Wire | $740 | -52.8% | 2 | -2 | $370 | $20,468 | 3 | Periscoop Film | false | false |
| 50 | 45 | Leaning Into The Wind | $738 | +36.4% | 1 | - | $738 | $48,844 | 7 | Curzon Film Distributors | false | false |
| 51 | 49 | Whitney | $634 | +58.5% | 2 | - | $317 | $597,948 | 12 | Altitude Film Entertainment | false | false |
| 52 | - | Qismat | $587 | - | 1 | - | $587 | $587 | 1 | Fountain Films | true | false |
| 53 | 56 | Peter Rabbit | $556 | +517.8% | 3 | +2 | $185 | $53,727,248 | 28 | Sony Pictures Releasing | false | false |
| 54 | 44 | The More You Ignore Me | $556 | -2.6% | 1 | -1 | $556 | $85,538 | 12 | Entertainment Film Distributors | false | false |
| 55 | 47 | Pin Cushion | $540 | +13% | 1 | - | $540 | $71,275 | 11 | - | false | false |
| 56 | 52 | The Eyes of Orson Welles | $504 | +88.8% | 2 | - | $252 | $44,765 | 6 | Periscoop Film | false | false |
| 57 | 41 | Apostasy | $470 | -56.8% | 2 | -1 | $235 | $431,669 | 9 | Curzon Film Distributors | false | false |
| 58 | 31 | Show Dogs | $438 | -91.1% | 5 | -27 | $87 | $4,676,855 | 18 | Entertainment One | false | false |
| 59 | 25 | SuperFly | $375 | -98.2% | 3 | -92 | $125 | $34,941 | 2 | Sony Pictures Releasing | false | false |
| 60 | 29 | Jurassic World: Fallen Kingdom | $328 | -94.4% | 5 | +1 | $65 | $54,398,027 | 16 | Universal Pictures International (UPI) | false | false |
| 61 | 46 | Distant Voices, Still Lives 2018 Re-release | $328 | -38.6% | 1 | - | $328 | $25,288 | 4 | British Film Institute (BFI) | false | false |
| 62 | - | Maurice 2018 Re-release | $293 | - | 1 | - | $293 | $50,411 | 9 | British Film Institute (BFI) | false | false |
| 63 | 51 | The Guernsey Literary and Potato Peel Pie Society | $149 | -54% | 2 | - | $74 | $7,761,736 | 23 | StudioCanal | false | false |
| 64 | - | The Happy Prince | $126 | - | 1 | - | $126 | $1,123,322 | 15 | Lionsgate Films | false | false |
| 65 | - | Solo: A Star Wars Story | $118 | - | - | - | - | $25,838,932 | 18 | Walt Disney Pictures | false | false |
| 66 | - | Avengers: Infinity War | $90 | - | - | - | - | $96,640,433 | 22 | Walt Disney Pictures | false | false |
| 67 | 57 | Sicario: Day of the Soldado | $33 | -49.2% | - | - | - | $2,842,518 | 13 | Lionsgate Films | false | false |
