Update: Some offers mentioned below are no longer available. View the current offers here.Want to see the latest flight deals as soon as they’re published? Follow The Points Guy on Facebook and Twitter, and subscribe to text message alerts from our deals feed, @tpg_alerts.After becoming ubiquitous in Europe, FlixBus launched its first US routes on May 31. Having used FlixBus often in Europe, we were curious to see how the big green bus did here in the US. So, TPG contributor Katie Genter made sure to be on board to review the inaugural bus from Los Angeles to Las Vegas. While it’s not as nice as flying in a semi-private jet between the two cities, FlixBus is a step-up from Megabus.However, it doesn’t seem like bookings have taken off like the company hoped. So, FlixBus has launched a flash sale with rides available for just $0.99 one-way plus a $2 booking fee.Before we get into the details and examples, here’s FlixBus’ current route map for reference if this deal is relevant for you:Cost: $3+ one-wayDates: now through September 5Book by: midnight Pacific Time on August 9Booking Link: Orbitz, Expedia or directly with the airlinePay With: Chase Sapphire Reserve (3x on travel), Chase Sapphire Preferred Card (2x on travel) or Citi Prestige (1x but good trip delay insurance)Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.Here are a few examples of what you can book:Los Angeles to San Francisco for $3 one-way:Phoenix to Las Vegas for $3 one-way:San Diego to Los Angeles from $3 one-way:Las Vegas to Los Angeles from $7 one-way:Best Credit Card to UseSince these are prices really cheap, it’s going to be more important to use a credit card that offers travel protection rather than points-earning. Your top options are going to be Chase Sapphire Reserve, Citi Prestige or the Chase Sapphire Preferred Card.Featured image by Katie Genter.