The latest nationwide sale from Southwest Airlines features one-way tickets as low as $39 or $78 roundtrip on interisland Hawaii flights. Mainland domestic flights are as low as $98 roundtrip, and there are several international flights on sale as well.
Roughly 4,300 routes are seeing discounts, so there's a flight deal that will surely work for whatever upcoming travel you have in store.
- Travel Period: Now through May 20, 2020, with a 14-day advance purchase for continental U.S. travel.
- Travel Days of the Week: Monday - Thursday & Saturdays.
- Blackout Dates: December 21-23, 26-30, 2019, and January 4-5, 2020; Other markets have different blackout dates listed below.
Departures to Las Vegas and select Florida airports are available Sunday through Wednesday; Travel from Las Vegas and certain cities in Florida is valid Tuesday through Friday.
Routes outside the continental U.S. require a 21-day advance purchase. Interisland Hawaiian fares are valid for travel on Tuesdays and Wednesdays, with blackout dates from December 19, 2019 - January 6, 2020. Tickets to/from San Juan, Puerto Rico are valid Mondays through Thursdays, through December 5, 2019, January 13 - March 5, and April 14 - May 14, 2020.
International travel is valid through December 11, 2019, and January 7 - March 5, and April 14 - May 14, 2020. Trips to Mexico are valid Sundays through Wednesdays; Travel from Mexico is valid Tuesdays through Fridays. All other international travel is open Mondays through Thursdays.
Some routes may be seasonal or begin service in 2020. A few markets only have nonstop flights on limited days of the week.
Tickets must be purchased by Thursday, November 21, 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.
All fares also work in the reverse direction.
For nonstop continental U.S. travel, the advertised sale fares are $10 more, but we found actual roundtrip fares to be at least $10 less than advertised. Some routes may have even lower unadvertised fares.
These are the advertised sale fares. Many routes have lower unadvertised tickets available.
Sale fares include a carry-on bag, a personal item, and two free checked bags up to 50lbs/23kg each.
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.
Searching Southwest's website, I found seats departing El Paso ELP on Thursday, February 6, returning from Phoenix PHX on Monday, February 10, 2020, for $138 roundtrip.