The club's former academy graduate arrived back on a season-long loan from Liverpool this summer and quickly made his mark with a deflected winner in the 1-0 home triumph last Thursday.
It was a vital goal on a gala night for the Bairns but level-headed Flynn, 20, has simply taken it in his stride.
The Anfield recruit believes completing the job in Liechtenstein would be far more significant.
Flynn said: "It was good to get my first goal for Falkirk. It was an important goal and we got the clean sheet as well.
"People keep saying how I am the first Falkirk player to score in Europe, but to me it was just another game.
"My name goes down but it's all about the team. Now we have got to go and finish the job over here because it's only half-time.
"It would be a massive thing if we could get the away goal but, most importantly, we must keep a clean sheet."
Flynn is among a clutch of young Bairns who must handle the experience of an away Europa League tie this evening but he feels the pressure is ultimately on the hosts.
He added: "We have got a young team but we have a group who have played a lot of games in the first team, players like Tam Scobbie.
"I think we will have to be patient - they have got to come at us because we have the goal and the clean sheet. The pressure is on them really."
Manager Eddie May believes a crucial goal will be enough to see off Pierre Littbarski's side - predominantly made up of German natives - in the idyllic Alpine principality, landlocked between Switzerland and Austria.
Around 500 Bairns fans have made the trip, hoping a meeting with Slovan Liberec of the Czech Republic can be set up in qualifying round three.
May added: "If we keep a clean sheet we are through, but obviously we want to go and score a goal. If we can do that I'm pretty confident we can get through the tie.
"We will have to defend, especially at set plays, as I think that is where they are most dangerous."