TAP: Roundtrips Between Spain and Various European Countries Staring at €64 in Either Direction (w/o Luggage)
€86 Nonstop Roundtrips Between Sweden and Brussels (+ €50 for Checked Bags)
Flixbus: Many French and Belgian Routes for €0.99
Hi Belgium Pass: Roundtrip with Brussels Airlines, Unlimited Train Rides for €169
NH Hotels: Free Breakfast, €15 in Points, and Additional 5% Discount on Superior Rooms