Last week  Southwest Airlines extended their booking calendar into March 2020 and added some new service between Hawaii and the mainland. To complement the new routes, the low-cost carrier is marking many of them down during fall and winter travel with this week's latest 3-day sale.

Tickets start at just $49 one-way or $98 roundtrip. With discounts on over 4,000 routes, something is bound to catch your eye to get you up in the sky.

Travel Availability

Sale fares are valid for travel on Tuesday, Wednesday, and Saturdays starting in early September through March 4, 2020.

Travel is blacked out November 22, November 24, November 26-27, November 30-December 2, December 19-23, December 26, 2019 - January 1, 2020; January 4-5, 2020.

Departures to Las Vegas and select Florida airports are available Sunday through Wednesday and travel from Nevada and Florida is valid Tuesday through Friday. Travel to/from Newark is valid through November 3, 2019.

Sale Period

Tickets must be purchased by Thursday, August 22, 2019, at 11:59 pm PDT.

Sample Sale Fares

Please note, these fares are only available on Southwest.com. Other carriers regularly match these sale fares, so be sure to compare to find the best deal.

Nashville to Atlanta $98 roundtrip

Burbank to San Jose $98 roundtrip

Kona to Honolulu $98 roundtrip

Long Beach to Las Vegas $102 roundtrip

San Francisco to Ontario $108 roundtrip

Raleigh to Tampa $118 roundtrip

El Paso to San Diego $138 roundtrip

Portland to Burbank $138 roundtrip

Cincinnati to Chicago-Midway $148 roundtrip

Seattle to Oakland $154 roundtrip

Atlanta to New Orleans $158 roundtrip

Detroit to St. Louis $158 roundtrip

Pittsburgh to Portland, ME $158 roundtrip

Atlanta to Orlando $170 roundtrip

Denver to Seattle $172 roundtrip

Chicago-Midway to Indianapolis $174 roundtrip

Cleveland to Atlanta $178 roundtrip

Albuquerque to Denver $182 roundtrip

New York-LaGuardia to Chicago-Midway $182 roundtrip

Buffalo to Columbus $198 roundtrip

Jacksonville to San Antonio $198 roundtrip

Cincinnati to West Palm Beach $204 roundtrip

Baltimore to Ft. Lauderdale $222 roundtrip

Dallas-Love Field to Las Vegas 238 roundtrip

Boston to Milwaukee $254 roundtrip

Houston-Hobby to Washington DC-National $278 roundtrip

These are the advertised sale fares. Some routes have lower fares than advertised.


Related: How to Fly Southwest Airlines (And Get the Seat You Want)


Baggage

Sale fares include a carry-on bag, a personal item, and two free checked bags up to 50lbs/23kg each.

Seat Assignments

Southwest has an open seating policy, which means there are no assigned seats and you'll get to choose your place during boarding. The order of boarding is determined by the time of check-in, so check-in exactly 24 hours before departure or pay for priority boarding for a better choice of seat.

Example Booking

Searching Southwest's website, I found seats departing Nashville BNA on Wednesday, September 25, with a return flight from Atlanta ATL on Saturday, September 28, 2019, for $98 roundtrip.

Featured image: Tom Bilek / Shutterstock
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