In a significant development for global travelers, EVA Air and Southwest Airlines have announced a new interline agreement designed to create a seamless travel experience between the United States and Asia. Effective immediately, this partnership strengthens connectivity between Asia and over 30 U.S. cities, streamlining the booking and transit process for passengers while expanding travel possibilities across North America.
This collaboration allows travelers arriving in the U.S. through EVA Air’s key international gateways — Los Angeles (LAX), San Francisco (SFO), Seattle (SEA), and Chicago (ORD) — to conveniently connect to Southwest’s extensive domestic network. With coordinated ticketing, simplified baggage handling, and smoother connections, this move is set to redefine the experience of long-haul and domestic travel.
Expanded Travel Options Across the U.S.
The agreement opens access to over 30 Southwest Airlines destinations across the United States, including major cities like Denver, Las Vegas, Nashville, Tampa, and Baltimore. This provides EVA Air passengers greater flexibility to explore multiple destinations without the hassle of separate bookings or complicated transfers.
For international travelers from Taiwan, China, Japan, and Southeast Asia, this means one itinerary, one check-in, and one boarding pass — allowing for an easier and more comfortable journey from start to finish. Whether it’s for leisure travel, business meetings, or visiting friends and family, the new interline program offers a practical and efficient solution to cross-continental travel planning.
Supporting Tourism and Business Travel
By combining EVA Air’s extensive Asia-Pacific network with Southwest Airlines’ broad domestic coverage, the partnership enhances opportunities for both tourism and business travel. Travelers flying to the U.S. for vacations can now plan multi-city trips more conveniently, while business travelers benefit from improved connections to key commercial hubs across the country.
This alliance also brings competitive pricing, giving travelers greater value as they plan their trips. EVA Air passengers can now access fares that integrate both international and domestic segments, making it easier to manage travel costs without compromising on comfort or convenience.
Strengthening EVA Air’s Presence in North America
For EVA Air, the interline agreement marks a strategic milestone in its ongoing global expansion. The airline currently operates 89 weekly flights to major cities across the U.S. and Canada, making it one of the leading carriers bridging Asia and North America. By the end of 2025, EVA Air plans to increase this frequency to 94 flights per week, further strengthening its position as a key player in the transpacific market.
This expansion aligns with growing travel demand between the U.S. and Asia, fueled by increased business exchanges, tourism growth, and a rising number of international students and expatriates traveling between the two regions.
Southwest Airlines Enters Global Connectivity
For Southwest Airlines, a carrier primarily known for its domestic dominance, this partnership opens the door to international travel connectivity. By linking with EVA Air’s vast Asian network, Southwest gains access to new markets and an opportunity to expand its brand presence to travelers from Asia seeking reliable domestic connections within the U.S.
Passengers arriving on EVA Air flights can now take advantage of Southwest’s user-friendly booking system and trusted service, ensuring a smoother transition from international long-haul flights to shorter domestic legs.
Enhanced Convenience for Travelers
The agreement is designed to make every step of the journey easier. Travelers can now check in their luggage through to their final destination, reducing the hassle of re-checking bags during transfers. Boarding passes for the entire journey are issued at the point of origin, meaning less time spent in queues and more time enjoying the journey.
This seamless process caters especially to travelers making tight connections or those unfamiliar with the complexities of navigating multiple terminals during international layovers.
Meeting the Demand for Greater Connectivity
The surge in transpacific travel over recent years has created a strong demand for more efficient travel solutions. With increased movement between the U.S. and Asian countries such as Taiwan, China, and Japan, airlines are seeking innovative ways to simplify and enhance connectivity.
The EVA Air and Southwest partnership addresses this need by creating a cohesive travel network, allowing passengers to experience a streamlined journey supported by two trusted airline brands.
Future Growth and Opportunities
Looking ahead, both airlines plan to explore further enhancements to the agreement. This may include expanded route networks, better integration of loyalty programs, and more tailored travel experiences for frequent flyers. The goal is to further unify the U.S.–Asia travel experience, supporting tourism growth and strengthening economic ties between the two regions.
Additionally, this partnership has the potential to boost tourism revenue by making it easier for international travelers to visit multiple U.S. destinations in one trip. For Asian travelers seeking to explore cultural hotspots, attend conferences, or visit family across the country, this agreement offers unparalleled flexibility and efficiency.
A New Era for U.S.–Asia Travel
This interline agreement between EVA Air and Southwest Airlines represents a game-changing step in global travel connectivity. By merging EVA Air’s strong transpacific presence with Southwest’s comprehensive domestic coverage, passengers benefit from an integrated, efficient, and traveler-friendly experience.
As demand for international travel continues to rise, such collaborations set the stage for a future where seamless travel between continents becomes the norm. Whether flying for business or leisure, passengers can look forward to a smoother, faster, and more reliable journey connecting Asia and the United States.
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