The latest 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.
Thousands of routes are seeing discounts, so something is bound to catch your eye to get you up in the sky.
Also, check out Southwest's new nonstop flights from San Diego to Hawaii as part of its latest schedule extension! Cheap flights to Hawaii are available from several U.S. cities.
- Travel Period: Now through March 4, 2020, with a 14-day advance purchase for continental U.S. travel.
- Travel Days of the Week: Tuesdays, Wednesdays, and Saturdays for most routes; Travel days vary on specific routes, as stated below.
- Blackout Dates: November 22, 24, 26-27, November 30 - December 2, 19-23, December 26, 2019 - January 1, 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 November 22 - December 2, and December 19, 2019 - January 6, 2020. Fares to/from San Juan, Puerto Rico are valid Mondays through Thursdays, through December 5, 2019, and January 13 - March 5, 2020.
International travel is valid through December 11, 2019, and January 7 - March 5, 2020. Travel to Mexico is valid Sundays through Wednesdays; Travel from Mexico is valid Tuesdays through Fridays. All other international travel is valid 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.
*Note: Southwest isn't advertising these fares for Monday and Thursday travel, but we've found tickets available on these days of the week for many of the advertised nonstop routes within the continental U.S.
Tickets must be purchased by Thursday, October 31, 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 fares 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 Oakland OAK on Thursday, December 19, returning from Seattle on Wednesday, December 25, 2019, for $154 roundtrip.