Flekkefjord FK was one of 494 clubs from Norway that had teams playing during Norway Cup 2018. They participated with one team in Boys 16 - born 2002 - 11 aside.

In addition to Flekkefjord FK, 122 other teams from 7 different countries played in Boys 16 - born 2002 - 11 aside. They were divided into 30 different groups, whereof Flekkefjord FK could be found in Group 2 together with Urædd FK, SIF/Hessa IL - Fotball, Fagernes IL and Rising Star FA.

Flekkefjord FK continued to Playoff B after reaching 5:th place in Group 2. In the playoff they made it to 1/8 Final, but lost it against Nordstrand IF 2 with 1-2. In the Final, Hødd, IL - Fotball won over Charlottenlund SK 1 and became the winner of Playoff B in Boys 16 - born 2002 - 11 aside.

Flekkefjord FK also participated in B - Boys 11-aside, 15/16 years during Norway Cup 2017. They reached the 1/16 Final in B Playoff A, but lost it against Club de futbol Alfaz del Pi with 1-3.

Flekkefjord FK comes from Flekkefjord which lies approximately 290 km from Oslo, where Norway Cup takes place. The area around Flekkefjord does also provide three additional clubs participating during Norway Cup 2018 (Spind IF, Sokndal Idrettsklubb - fotball and Farsund IL).