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Lufthansa's latest Europe sale includes destinations such as Amsterdam, Barcelona, Berlin, Paris, and other European gems. Departures are available from 16 U.S. cities. Competition comes from Air France, Delta, and US Airways.

Southwest's newest sale, which ends tonight at 11:59 p.m. PT, features more than 65 cities and 2,100 discounted routes, providing the perfect excuse for a last-hurrah summer getaway.

Spirit has just announced two new sales. Member of the low-cost carrier's fare club? Well then, you can save up to 41 percent on access to Dominican Republic and Colombia fares.

Spirit is at it again with another $2 round-trip airfare promotion, this time with select travel dates through December. Find flights to U.S. cities such as Atlantic City, Myrtle Beach, and Orlando, and international cities such as Cancun and Cartagena.

Virgin America and Alaska Airlines are going head-to-head with competing late summer through autumn sales. AirTran, American, JetBlue, United, and a few other airlines also jump in the mix with similar rates.

It's a battle of giants: Long-standing legacy lines American and United go head-to-head in another fall and winter airfare war. AirTran, Continental, Delta, and US Airways also bring the heat.

Save up to 20 percent with JetBlue's latest batch of discounted flights. Featured destinations range from east to west and include Boston, Las Vegas, New York City, San Francisco; and even further-out Puerto Rico.

Is a Hawaii vacation in your summer or fall plans? Hawaiian Airlines has fares to Maui and Oahu from a handful of western continental cities. Find cheap flights with Alaska, American, Continental, Delta, United, and US Airways.

Alaska's current batch of Web-specific fares includes flights to the western continental U.S., Hawaii, Alaska, and Canada from $49 one-way or $98 round-trip. Delta, Sun Country, United, and US Airways are Alaska's competition.

The Beatles knew it. It's a beautiful thing when people, or in this case airlines, come together. AirTran, American, and United are running harmonious airfare promotions for travel through fall.