Southwest Airlines Low Fare Calendar February 2025 Calendar 2025. Southwest airlines low fare calendar 2025 explore the skies at, the easiest way to book flights on southwest is through the southwest low fare calendar, which shows you the lowest prices. Southwest airlines has extended its flight schedule, and you can now book southwest flights for travel through october 1, 2025.

By selecting your route and travel month, you’ll see a monthly. Book your next flight with southwest airlines and save.