[4] During that season, a seven-game winless run towards the end of the campaign left Luton outside the play-off places, resulting in manager Gary Brabin being replaced by Paul Buckle on a two-year contract.

[5][6] Buckle's tenure saw the club win five of their next eight games, qualify for the play-offs and beat Wrexham 3–2 on aggregate in the semi-final, before the loss to York in the final.

Stating his intention to reduce the size of the squad and "bring players into the club that are not failures", Buckle released a number of players in the close-season, including Ed Asafu-Adjaye, Charlie Henry, Christian Tavernier, Danny Crow, Dan Gleeson, Shane Blackett, and Amari Morgan-Smith, while Curtis Osano rejected a new contract to sign for League Two side AFC Wimbledon.

[19][20][21][22] The transfers arranged for the beginning of the month became official, with Keith Keane, George Pilkington, Godfrey Poku and Robbie Willmott all leaving the club, and defender Garry Richards joining.

[24] Midfielder Alex Lawless and youth team graduates Alasan Ann and Newman Carney signed one-year contract extensions on 4 July.

Three trialists played during the match; former Luton goalkeeper Dean Brill, ex-Southend United striker Harry Crawford, and 18-year-old former Leicester City youth midfielder Matt Robinson, who had been training with the club since the end of the 2011–12 season.

Substitute Jon Shaw scored on his debut to halve the deficit, coincidentally against his former club, and a goal from Stuart Fleetwood meant Luton drew 2–2.

[44][45] With defenders Ronnie Henry and Alex Lacey suspended and injured respectively, Luton signed Gillingham centre-back Connor Essam on a one-month loan on the day of the transfer deadline.

[46] Luton began September strongly with a 4–1 home victory against Macclesfield Town, the goals coming from Jake Howells, Andre Gray, Scott Rendell and Stuart Fleetwood.

[47] A 3–2 win over local rivals Cambridge United followed three days later, Gray scoring again and defenders János Kovács and Dean Beckwith also on the scoresheet with goals from set pieces.

[48] Injuries to strikers Fleetwood and Rendell, plus Jon Shaw's suspension, led to Northampton Town forward Jake Robinson signing on a one-month loan on 7 September.

[54] With the team still conceding goals from set-pieces, Buckle signed Guiseley and England C captain and centre-back Simon Ainge on a month's loan on 27 September.

[56] Ainge partnered fellow loanee Connor Essam in central defence two days later as Luton beat Southport 3–1, with Kovács and Beckwith not even in the squad of 16 players.

[64] On 19 October, Luton signed Macclesfield Town's Guinea-Bissau international midfielder Arnaud Mendy on loan until January, at which point the transfer would become permanent.

[65] Luton beat local rivals Cambridge United 2–0 in the FA Cup to qualify for the first round with goals from strikers Andre Gray and Shaw.

[66] Luton came from behind on 27 October to beat Forest Green Rovers 2–1, with Fleetwood equalising for his tenth goal of the season and Scott Rendell netting a last-minute penalty.

[67] On 3 November Luton scored a late equaliser in a 1–1 FA Cup first round draw against Nuneaton Town to earn a replay at Liberty Way.

[76] The club defeated Alfreton Town 3–0 on 8 December to win for the first time in four attempts in the league, but were then comprehensively beaten 5–2 by Newport County at Rodney Parade just a few days later.

The winning goal came 45 seconds after half-time, scored by midfielder Alex Lawless to put the club into the FA Cup fourth round for the first time since the 2006–07 season.

[89] In terms of transfers, Luton sold Andre Boucaud to Notts County and John Paul Kissock to Macclesfield Town for undisclosed fees on 10 January, while the loans of Simon Ainge and Arnaud Mendy were made permanent.

[104][105] The club's FA Cup run came to an end on 16 February at the fifth round after losing 3–0 to Millwall at Kenilworth Road in front of the largest crowd of the season.

[2][107] Luton remained winless in six league games after losing 3–2 at home to Mansfield four days later, Lindon Meikle scoring the winner in the last minute following a mix-up between defenders Steve McNulty and Rowe-Turner.

[3] Alan Neilson again took charge of Luton's game that evening against Braintree Town, which they lost 2–0 to fall to tenth position in the table and 14 points off of the play-offs.

[117] One day later, in a performance described by Still as having "no positives", Luton lost 2–1 at home to relegation-threatened Hyde in front of Kenilworth Road's lowest league crowd in over 11 years.

[120] The same day, coaches Carl Emberson and Stuart Cash, who were hired by previous manager Paul Buckle, left the club with immediate effect.

[123] Defender Greg Taylor, who was dropped from the team following mistakes in the defeat by Hyde earlier in the month, joined Mansfield Town on loan until the end of the season on 28 March.

[124][125] John Still announced that, along with Taylor, five other out-of-contract players would leave Luton in the summer: central defender János Kovács, wingers Scott Neilson and James Dance, and strikers Alasan Ann and Stuart Fleetwood.

[129] The result saw Luton slip to 12th position in the table with relegation still a mathematical possibility, though this fear was allayed three days later as the club won 3–0 against Lincoln City.

[143][144] Luton signed left-back Danny Fitzsimons and midfielder Jim Stevenson from Conference North side Histon on 20 May, with both transfers coming into effect from 1 July.

Young midfielder Matt Robinson agreed a one-year contract extension on 5 June, with winger Dave Martin signing a similar deal a few days later.