Bangladesh, June 9 -- Southwest Airlines is continuing to expand its international footprint through a growing network of partnerships, now totaling eight global airline agreements following its latest tie-up with Singapore Airlines.

The collaboration gives passengers improved connectivity between the United States and destinations across Asia, Europe, the Middle East, and Africa. It allows travelers to book connecting journeys on a single itinerary, with through-checked baggage and protected transfers, simplifying long-haul travel that combines multiple carriers.

The agreement is especially valuable for passengers connecting beyond major U.S. hubs to smaller cities that are not typically served by long-haul international airlines. It ...