Betfair Affiliate Refer & Earn Bonus Commissions for Affiliates with Live Sports Feed. Betfair promotion code June Bet £10 Get £30 Bet inc Commissions. Betfair Refer and Earn Promotion Code - June Latest Bet Promotion Codes. Bet Promotion codes for Refer & Earn with up to £ Bonus Cash back with. Join Betfair & bet with the best odds ✓Sports Betting ✓Horse Betting ✓Football betting ✓New Customers: Bet £/€10 & Get £/€30 in free bets. T&C's Apply. Betfair Exchange · Betfair Sportsbook | Bet Online · Betfair Casino · Football.