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Southwest Airlines is the largest low-cost airline in the world. From a small airline established in 1967, Southwest Airlines has evolved to be the 3rd largest airline, both in terms of fleet size - with more than 720 planes - and in terms of passengers carried.

During the peak season, it has over 3,900 departures per day from more than 100 domestic destinations within the US, and eight international destinations. Its frequent flyer program is called Rapid Reward and, currently, it’s not a member of airlines alliance. When you are traveling across the US, it’s easy to find a destination with Southwest Airlines.

Information correct as of April 2017

Why Fly With Southwest Airlines

How to Check In

You can check yourself in starting 24 hours before your flight. On domestic flights, you have until one hour before and if at least one of your legs has an international destination - you must complete it by 90 minutes prior to departure. You can also use your mobile device and show the screen at the airport, where applicable. You can always reprint it at the airport self-check-in kiosks, where available. Please note that if you fly to an international destination, you will have to go to the check-in counters even if you secured your flight online. The counters open two hours before the flight, and in some airports 3 hours. You can purchase Early Bird check-in for $15 and Southwest will check you in automatically 36 hours before departure. You will be able to print your boarding pass as early as 24 hours before your flight.

Baggage Allowances and Fees

Southwest has a generous allowance comparing to other low-cost airlines: all passengers have two free checked bags allowance up to 50 pounds (just under 23 kg), and no larger than 62 inches (less than 158 cm). Anything up to 100 pounds (almost 46 kg) or up to 80 inches (203 cm) will incur a $75 charge. A third checked baggage or more cost $75 per bag. Your hand luggage can be 10x24x16 inches (24x61x40 cm) and one more personal style item.

Seating

Most of Southwest planes have a decent seat pitch (the distance between your seat and the seat in front of you) of 81-84 cm. Some planes have a tighter legroom - 79 cm.

Booking Fees

There are no booking fees or credit card fees when you book your flight with Southwest Airlines.

Service on Board

During your flight, Southwest Airlines will offer you complimentary pretzels, peanuts, and soft drinks. You can purchase a meal and alcoholic beverages from the in-flight menu, but make sure your credit card is with you since cash is not accepted on board. You can purchase movies to pass the time for $5, or stay connected with Wi-Fi for $8.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.