$39 & up -- Winter Fares on Sale, Fly through March

Travel dates:   Through March 10

AirTran, American, Continental, Frontier, JetBlue, United, Virgin America and other airlines have launched new sales on routes all over the country for travel through mid-March. Some of the sales end as soon as December 15, and the lowest priced seats will sell out fast, so booking soon is recommended.

The lowest prices are found when flying Mondays through Thursday and Saturdays.

Sample Fares:

• San Francisco-San Diego ... $39
• Baltimore-Boston ... $39
• Los Angeles-San Francisco ... $39
• Minneapolis-Milwaukee ... $44
• Rochester-Baltimore ... $44
• St. Louis-Milwaukee ... $44
• Denver-Salt Lake City ... $49
• Orlando-Nassau ... $49 (!)
• Seattle-San Francisco ... $49
• Indianapolis-Milwaukee ... $54
• Kansas City-Chicago ... $59
• Cleveland-St. Louis ... $59
• Chicago-Detroit ... $59
• New York City-Charlotte ... $64
• New York City-Indianapolis ... $69
• Indianapolis-Denver ... $87
• Milwaukee-West Palm Beach ... $87
• Chicago-New Orleans ... $89
• Providence-Chicago ... $89
• San Francisco-Phoenix ... $94
• Tampa-Las Vegas ... $94
• Las Vegas-Columbus ... $94
• New York City-Los Angeles ... $99
• San Francisco-Ft. Lauderdale ... $99
• Los Angeles-Boston ... $99

Travelzoo Tip: Make sure to select "My dates are flexible," and try searching several date ranges. Click on at least three travel providers to compare all fares and find the best deal for your destination.

Note: Some sites display initial pricing as roundtrip, and with all taxes and fees. On the routes listed above, those fares will range between $118-$239.

SuperSearch uses more than 2.8 million consumer ratings and Travelzoo's years of expertise to help you find the best fares. Plus, you can easily compare multiple sites without entering your information over and over.