Southwest Airlines New Routes 2026: Everything You Need to Know
Big news for budget travelers! Southwest Airlines is going through one of its biggest network expansions in years — and if you know where to look, there are some incredible flight deals waiting for you.
Here’s everything you need to know about Southwest Airlines’ new routes in 2026, including the best new destinations and how to grab the cheapest fares.
Why Southwest's 2026 Expansion Is a Big Deal
Southwest Airlines has always been the go-to airline for budget US travelers — no baggage fees, flexible cancellation, and consistently low fares. And in 2026, they are going even bigger.
The expansion comes at the perfect time. With Spirit Airlines scaling back operations, Southwest has stepped in to fill the gap — adding new routes, increasing flight frequencies, and even launching international connections that have never existed before.
The result? More options, more competition, and potentially lower fares for travelers like you.
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All the New Southwest Routes in 2026
New Routes from Las Vegas (LAS)
Las Vegas is one of Southwest’s biggest hubs, and they are going all-in on expansion here.
Brand new international route:
- Las Vegas → San Jose, Costa Rica — Southwest’s first ever international redeye flight! Daily service, making this one of the most exciting new routes of 2026.
New domestic connections from Las Vegas:
- Austin, Texas
- Burbank, California
- Denver, Colorado
- Indianapolis, Indiana
- Kansas City, Missouri
- Los Angeles, California
- Nashville, Tennessee
- New Orleans, Louisiana
- Oakland, California
- Orange County, California
- Phoenix, Arizona
- Reno, Nevada
- San Francisco, California
- Tampa, Florida
New Routes from Orlando (MCO)
Orlando is Southwest’s other major expansion hub in 2026, with the airline projecting over 200 daily departures from Orlando International by 2027.
New connections from Orlando:
- Albuquerque, New Mexico
- Austin, Texas
- Baltimore, Maryland
- Buffalo, New York
- Kansas City, Missouri
- Louisville, Kentucky
- Memphis, Tennessee
- Milwaukee, Wisconsin
- Nashville, Tennessee
- New Orleans, Louisiana
- Oklahoma City, Oklahoma
- Philadelphia, Pennsylvania
- Pittsburgh, Pennsylvania
- Rochester, New York
- San Antonio, Texas
- San Juan, Puerto Rico — a fan favorite returning to the schedule!
New Routes from Austin (AUS)
Austin is becoming one of Southwest’s fastest-growing markets.
New connections from Austin:
- Memphis, Tennessee — new year-round service
- Santa Rosa, California — Saturday seasonal service
- Knoxville, Tennessee — Saturday seasonal service
New Routes from Nashville (BNA)
Nashville continues to grow as a major Southwest hub.
New connections from Nashville:
- Reno, Nevada
- Burbank, California
- Liberia, Costa Rica — Nashville’s first direct international route to Costa Rica!
New Pacific Corridor Routes (Starting August 4, 2026)
Southwest is doubling down on Pacific connectivity with exciting new routes:
- Burbank (BUR) → Honolulu (HNL) — Daily nonstop flights linking the Los Angeles area directly to Hawaii
New Pacific Corridor Routes (Starting August 4, 2026)
Southwest is doubling down on Pacific connectivity with exciting new routes:
- Burbank (BUR) → Honolulu (HNL) — Daily nonstop flights linking the Los Angeles area directly to Hawaii
