and backs up the 2016 report that Sunday is the cheapest day to book international and domestic economy tickets and Saturday and Sunday are the cheapest for premium air flights. (There are some ...

According to Expedia, it will take some time for all of Southwest's flights to get loaded into the system, but the airline's full schedule should be bookable on Expedia platforms by the end of the day ...

All Expedia-owned sites, including Travelocity, Hotwire, Orbitz and CheapTickets, will show and allow customers to book Southwest fares.