Another mixed bag of Internet offers this weekend, with a couple of airlines sitting out. Many of the largest airlines in the United States offer weekly, online-only fares, perfect for quick weekend getaways.

For travel novices, these Internet deals are last-minute airfare specials offered each Tuesday for travel on the upcoming weekend. Most fares are non-refundable and must be purchased immediately, but these specials often represent significant savings over advance purchase fares.

United Airlines — There are dozens of Internet specials this week, mostly to or from their hubs in Houston, Newark, Chicago, Cleveland and Denver. Purchase before 11:59 p.m. (EDT) October 5. Departures after 7 p.m. on October 5 or anytime October 6 and return on Monday, October 8 or Tuesday, October 9.  Taxes and airport fees are additional.  This week's fares include:

  • Chicago to Winnipeg, Canada – $297
  • Cleveland to Washington DC – $161
  • Denver to Los Angeles – $271
  • Houston to Quito, Ecuador – $440
  • Kansas City to San Francisco – $161
  • New York City to Orlando – $271

US Airways — There are no US Airways Web deals for this week.

Delta Airlines Web Deals — Purchase Delta Web deals by 11:59 p.m. (EDT) on October 6 for travel departing anytime October 6 and returning on October 8 or October 9. Highlights include:

  • Atlanta to Oklahoma City – $240
  • Detroit to Minneapolis – $220
  • Houston to New York City – $280
  • Los Angeles to Tampa – $320

American Airlines NetSaver Fares — There are no NetSaver Fares for this week.

Remember there are a limited number of seats available for these airfares and they may sell out at any time. Read the fine print before you purchase.

Have you picked up any of these great airfare specials? Tell us about it in the comments.

Weekly Internet Airfare Deals -- Roundtrip Airfares from $161