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.Airfare deals are typically only available on limited dates. We recommend you use Google Flights to find dates to fly, then book through an online travel agency, such as Orbitz or Expedia, which allows you to cancel flights without penalty by 11pm Eastern Time within one day of booking. Remember: Fares may disappear quickly, so book right away and take advantage of Orbitz or Expedia’s courtesy cancellation if you’re unable to get the time away from work or family.We’re seeing bargain-basement round-trip fares to San Francisco (SFO) from eastern US cities including Pittsburgh (PIT), New Orleans (MSY), Raleigh (RDU), Nashville (BNA) and Baltimore (BWI) on American Airlines. Though all these flights require short layovers at AA’s hubs in Charlotte (CLT) or Dallas (DFW), these sub-$150 deals on a full service-carrier are still great — plus, they’re available if you’re originating in the Bay Area as well. Look for dates from September through October on Google Flights, and then book through an OTA such as Orbitz.Airlines: AmericanRoutes: RDU/PIT/MSY/BWI/BNA to SFOCost: $141+ round-trip in economyDates: September - October 2017Booking Link: Orbitz or ExpediaPay With: Chase Sapphire Reserve, Citi Prestige (3x on airfare) or Chase Sapphire Preferred (2x on travel)Here are a few examples of what you can book:Baltimore (BWI) to San Francisco (SFO) for $141 round-trip:Nashville (BNA) to San Francisco (SFO) for $141 round-trip:Pittsburgh (PIT) to San Francisco (SFO) for $141 round-trip: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.Raleigh (RDU) to San Francisco (SFO) for $141 round-trip:New Orleans (MSY) to San Francisco (SFO) for $144 round-trip:Maximize Your PurchaseDon’t forget to use a credit card that earns additional points on airfare purchases, such as the Chase Sapphire Reserve, or Citi Prestige (3x on airfare) or the Chase Sapphire Preferred (2x on all travel purchases). Check out this post for more on maximizing airfare purchases.If you’re able to score one of these tickets, please share the good news in the comments below!H/T: The Flight Deal