Edit: The sale is through June 4. We apologize for the error.

It’s been a while since we last saw an airfare sale that caused pretty much every U.S. carrier (budget and legacy) to toss their hat into the ring. Each airline that enters the fray is either matching the lowest Southwest fare or undercutting it, from as small as $2 to over $100 in some routes.

The deal experts at Fly.com dove right into the thick of things, and below is a sample list of fares from Atlanta, Chicago, Denver, Los Angeles, Washington, D.C. and more, that are even lower than what is offered by Southwest.

Our experts expect the fares to be gone tonight (June 3), at 11:59 p.m. EST when Southwest’s promotion ends, so be sure to book as soon as possible.

Travel Dates:

  • Monday to Thursday and Saturday, and select other days July – September

Sample Roundtrip Fares:

Click on the links below to see available dates and compare fares across multiple airlines using Fly.com Fare Calendars. All fares roundtrip, including tax.

Roundtrip flights from Atlanta to:

  • $97 — Philadelphia
  • $117 — Baltimore
  • $137 — Fort Lauderdale
  • $157 — Chicago
  • $157 — Dallas
  • $197 — Detroit
  • More flights from Atlanta

Roundtrip flights from Baltimore to:

  • $97 — Fort Lauderdale
  • $117 — Atlanta
  • $157 — Chicago
  • $165 — Tampa
  • $166 — West Palm Beach
  • $177 — Dallas
  • $187 — Orlando
  • $193 — Las Vegas
  • More flights from Baltimore

Roundtrip flights from Chicago to:

  • $127 — New Orleans
  • $138 — Philadelphia
  • $145 — Denver
  • $145 — Washington, DC
  • $157 — Atlanta
  • $157 — Houston
  • $157 — Orlando
  • $157 — Tampa
  • $177 — Boston
  • $177 — Fort Lauderdale
  • $197 — Los Angeles
  • $197 — San Francisco
  • $197 — Salt Lake City
  • $218 — Las Vegas
  • $237 — Phoenix
  • $247 — Portland
  • $267 — San Diego
  • More flights from Chicago

Roundtrip flights from Dallas to:

  • $141 — Las Vegas
  • $147 — Fort Lauderdale
  • $151 — Phoenix
  • $157 — Atlanta
  • $167 — Orlando
  • $177 — Baltimore
  • $177 — Washington, DC
  • $197 — Boston
  • $207 — Los Angeles
  • $217 — San Diego
  • $217 — Portland
  • $237 — San Francisco
  • More flights from Dallas

Roundtrip flights from Denver to:

  • $97 — Los Angeles
  • $137 — Houston
  • $137 — San Diego
  • $145 — New Orleans
  • $145 — Chicago
  • $155 — St. Louis
  • $178 — Seattle
  • $185 — Portland
  • $187 — Fort Lauderdale
  • $188 — San Francisco
  • $198 — Atlanta
  • $205 — Orlando
  • $238 — New York
  • $245 — Tampa
  • $278 — Philadelphia
  • More flights from Denver

Roundtrip flights from Houston to:

  • $137 — Denver
  • $157 — Chicago
  • $187 — Atlanta
  • $187 — Orlando
  • $197 — San Diego
  • $247 — Boston
  • More flights from Houston

Roundtrip flights from Los Angeles to:

  • $97 — Denver
  • $197 — Kansas City
  • $197 — Chicago
  • $207 — Dallas
  • $228 — Atlanta
  • More flights from Los Angeles

Roundtrip flights from Philadelphia to:

  • $97 — Atlanta
  • $124 — Orlando
  • $124 — Orlando
  • $138 — Chicago
  • $145 — Tampa
  • $197 — Las Vegas
  • More flights from Philadelphia

Roundtrip flights from San Francisco to:

  • $77 — Las Vegas
  • $138 — Phoenix
  • $197 — Chicago
  • $237 — Dallas
  • More flights from San Francisco

Roundtrip flights from Washington, D.C. to:

  • $97 — Fort Lauderdale
  • $117 — Atlanta
  • $145 — Chicago
  • $153 — Tampa
  • $177 — Dallas
  • $193 — Las Vegas
  • More flights from Washington, D.C.

More of our favorite roundtrip fares from this sale:

Pair an airfare deal with a hotel: Travelzoo now offers the ability to search hotel deals by date.

Fly.com Updates

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Featured Image: Plane in Sky at Sunrise (Shutterstock.com)

Posted by

Kim has been hunting flight deals and writing travel articles for over 13 years. His articles have appeared in the Boston Herald, Chicago Daily Herald, and Frommer’s Budget Travel, among other publications. Amsterdam, Bangkok, Rome, and Sydney are some of his favorite destinations and he aspires to one day live in Italy. La dolce vita!

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