There are quite a few good airfare specials this week for those who are able to travel this weekend or next weekend. For those unfamiliar with these offers: a number of US airlines offer last-minute airfare specials beginning on Tuesdays for travel on the upcoming weekend, including this 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 Airlines – United Airlines offers dozens of Internet specials this week, mostly to or from their hubs in Houston, Newark, Chicago, Cleveland and Denver. These fares must be purchased by 11:59 PM, Central on Friday, May 4  and apply to departures after 7 PM on May 4 or anytime May 5 with returns on Monday, May 7 or Tuesday, May 8.  Taxes and airport fees are additional.  A sampling of this week's fares include:

  • Atlanta to Denver – $161
  • Chicago to Memphis – $157
  • Chicago to Toronto – $239
  • Cleveland to New York/LaGuardia or Newark – $161
  • Denver to Los Angeles – $271

US Airways – US Airways also offers weekly Internet specials. Their E-saver fares for this week must be purchased by 11:59 PM, Eastern on May 5 for travel departing May 5 and returning May 8. The best fares I found include: (roundtrip without taxes and fees)

  • Cincinnati to Washington DC – $216
  • San Diego to Philadelphia – $350
  • San Francisco to Philadelphia – $350
  • Manchester, NH to Washington DC – $230

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, May 5 and are non-refundable, once purchased. You must depart on Saturday, May 5 and return on Monday, May 7 or Tuesday, May 8. 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. This week’s highlights include:

  • Atlanta to Nashville – $140
  • Cincinnati to Ft. Lauderdale – $220
  • Los Angeles to Tampa – $300
  • New York/Kennedy to San Juan, Puerto Rico – $218
  • New York/Kennedy to Santa Domingo, Dominican Republic – $298

American Airlines Net Fares – American Airlines offers both specials for this weekend and the following weekend, provided you purchase your tickets no later than 11:59 PM, Central on May 4. Travel for this weekend’s fares is May 4 after 7 PM or May 5 anytime with return travel on May 7 or May 8. For the following weekend, travel is limited to departures on May 11 after 7 PM or anytime May 12 with return travel on May 14 or May 15. Highlights include:

This weekend:

  • Hartford to Dallas – $262
  • Los Angeles to San Francisco – $134
  • Nashville to New York/LaGuardia – $176
  • Austin to Los Angeles – $250

Next weekend:

  • Huntsville to Chicago – $190
  • St. Louis to New York/LaGuardia – $216
  • New York/Kennedy to Montreal – $244

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.

Weekly Internet Airfare Specials: Roundtrip Airfares from $134