Last updated: 31 October 2026.
Southwest describes itself as serving 121 airports in 12 countries. Its annual report for 2025 counts 117 destinations in 42 US states, the District of Columbia, Puerto Rico and ten near-international countries, including Mexico, Jamaica and the Bahamas. International flights are limited to the Americas and the Caribbean; passengers can reach other regions through partner airlines.
121airports served, in 12 countries (company boilerplate)
117destinations in 42 US states, DC, Puerto Rico and ten near-international countries (annual report)
6interline partner airlines
2025year international partnerships began
What to know
- Southwest does not allow unaccompanied minors on international flights, so check the Special Assistance page.
- International check-in closes 60 minutes before departure (75 at Aruba), and domestic bag check at St. Thomas closes 90 minutes before departure.
- Partners (Icelandair, China Airlines, EVA Air, Philippine Airlines, Condor, Turkish Airlines) connect to Southwest at selected cities; see the Alliances and Partners page.
Questions travellers ask us
How many airports does Southwest serve?
121 in 12 countries, per the company.
Does it fly worldwide?
Not directly; it serves the US and near-international destinations, with partners beyond.
Baggage Allowance is an independent information site and is not part of Southwest Airlines. Check the airline's own pages before you travel.
Questions and answers
No questions yet. Be the first to ask.