Several US airlines offer last-minute airfare specials on Tuesdays for travel on the upcoming weekend. Most fares are non-refundable and must be purchased immediately, but these specials often represent significant savings even over the advance purchase fares. Below is a recap of this week's offerings.

United/Continental Airlines – Continental Airlines offers dozens of Internet specials this week, mostly to or from their hubs in Houston, Newark, Chicago, Cleveland and Denver.

Although they are usually announced on Tuesday mornings, United/Continental Airlines has yet to post their Web fares as of 10:30 AM on Wednesday. As they are completing their merger this week, I suspect that they are sitting this week out for the Web fares. If/when any are announced, we will update this post.

US Airways – US Airways also offers weekly Internet specials. Their E-saver fares must be purchased by 11:59 PM, Eastern on March 3 for travel departing March 3 and returning March 6.   The best fares I found include: (roundtrip without taxes and fees)

  • Chicago/O’Hare to Charlotte – 218
  • Columbus, Ohio to Philadelphia – $208
  • Indianapolis to Washington/Reagan Airport – $208
  • Phoenix to San Francisco – $218
  • Pittsburgh to St. Louis – $216

 Delta Airlines Web Deals – Delta, like the others, offers airfares between special cities (often including their hub, Atlanta) for travel on the weekend. Tickets for these specials must be purchased by 11:59 PM on Saturday, March 3 and are non-refundable, once purchased. You must depart on Saturday, March 3 and return on Monday, March 5 or Tuesday, March 6. Below is just a sampling of this week’s specials. The fares listed are roundtrip and do not include taxes or airport fees, if applicable.

  • Atlanta to Hartford – $220
  • Columbus, Ohio to Washington/Reagan Airport – $140
  • Detroit to Lexington – $180
  • Atlanta to Miami – $200
  • Cleveland to Minneapolis/St. Paul – $200

Keep in mind that there are a limited number of seats for these Internet deals and they may sell out at any time. Be sure to read the fine print before purchasing your tickets, but if you see something that interests you, it's a good idea to buy your tickets immediately to avoid being disappointed.