Expires today! Southwest Airlines birthday fares starting at $45 one-way

Save with these Southwest Airlines flight deals

Southwest is having a sale in celebration of its 46th birthday, and you get to be a beneficiary of the savings! Now through Thursday 6/15, you’ll find fares as low as $49 for continental US travel valid 8/22 – 12/16.

Southwest fares include two checked bags and no change fees. Note that these fares are nonrefundable and 21 day advance purchase is required. Restrictions and exclusions apply. Points bookings do not include government fees from $5.60 per one-way flight. Check the full list of destinations below!

To book the cheapest fares, be sure to also search flights at Kayak.com/explore and Google Flights.