Wizfair Travels time

Last Updated On, Oct 01, 2026

Southwest Airlines New Routes: What’s New for 2026-2027

With the Southwest Airlines new routes announced for spring 2027, travelers get more nonstop options across the U.S., Caribbean, and Central America. The latest schedule update adds 25 new and returning routes, including 22 domestic and three international services. Most begin March 11 or March 13, 2027, while several fall 2026 routes are already launching. Below, find the key destinations, start dates, and frequencies to help plan your next Southwest trip.

Southwest Airlines New Routes: What’s Changing?

As the Southwest new routes roll out, travelers will see more nonstop flight options across the U.S. and select international destinations. The spring 2027 schedule adds new city pairs alongside returning services, with many operating during the busy Spring Break period.

What’s New in Southwest’s Network

25 new and returning routes are included in the spring 2027 schedule.
22 routes are domestic, connecting more U.S. city pairs nonstop.
3 routes are international, expanding service to destinations in the Caribbean and Central America.
From now on, 12 of the 22 domestic routes will be operated nonstop by Southwest. 3 of these airport pairs have never had nonstop commercial service from any airline Nashville (BNA) to St. Thomas (STT), Nashville (BNA) to Wichita (ICT), and Milwaukee (MKE) to Panama City, Florida (ECP).
Some routes are seasonal or limited to specific days, rather than daily.
Featured new destinations include St. Thomas, Knoxville, St. Maarten, Santa Rosa, and Anchorage.
The network changes are part of a broader period of route adjustments by major U.S. carriers, including Delta, United, and JetBlue.

Southwest New Nonstop Routes for Fall 2026

Several new services are launching before the Fall 2026 expansion, giving travelers more Southwest new nonstop flights to choose from. Here are the new routes:

New Southwest destination	Start date	Planned Frequency
Austin (AUS) to Memphis (MEM)	October 1, 2026	6 weekly
Austin (AUS) to Destin - Fort Walton Beach (VPS)	October 3, 2026	Weekly only until October 24
Austin (AUS) to Knoxville (TYS)	Sept 24, 2026	Up to 2 daily flights, Weekly service runs through October 24 & one flight on November 15
Austin (AUS) to Sonoma County / Santa Rosa (STS)	October 3, 2026	Weekly until October 24
Nashville (BNA) to El Paso (ELP)	October 1, 2026	4 weekly
Nashville (BNA) to Reno (RNO)	October 1, 2026	4 weekly
Nashville (BNA) to Manchester (MHT)	October 1, 2026	4 weekly

Note: Flight frequencies and dates may be subject to change.

Southwest New Destinations Coming in Spring 2027

A brand-new Saturday-only route from Nashville (BNA) to Liberia, Costa Rica (LIR), joins the Southwest Airlines new destinations lineup on February 13, 2027.

The broader expansion follows in March, with new services launching on March 11 and March 13.

New Southwest Domestic Routes

The new routes additions from March 11 include:

Route	Planned frequency
Baltimore/Washington (BWI) to Philadelphia (PHL)	2 daily
Boise (BOI) to Los Angeles (LAX)	Daily
Dallas Love Field (DAL) to Detroit (DTW)	6 weekly
Detroit (DTW) to Austin (AUS)	6 weekly
Las Vegas (LAS) to Boston (BOS)	6 weekly
Las Vegas (LAS) to Miami (MIA)	Daily
Nashville (BNA) to Des Moines (DSM)	Daily
Nashville (BNA) to Wichita (ICT)	Daily
New York LaGuardia (LGA) to Orlando (MCO)	3 daily
Orlando (MCO) to Pensacola (PNS)	Daily
Richmond (RIC) to Tampa (TPA)	Daily

Note: Flight frequencies may be subject to change.

Seasonal Routes Launch by Southwest

Southwest Airlines will add a new batch of seasonal nonstop routes from March 13, 2027. Most will run on Saturdays, with a few operating on weekends or around spring break.

New Seasonal Service

Route	Schedule
Birmingham (BHM) to Fort Lauderdale (FLL)	Saturdays
Nashville (BNA) to St. Thomas (STT)	Saturdays
Indianapolis (IND) to Destin/Fort Walton Beach (VPS)	Saturdays
Las Vegas (LAS) to Knoxville (TYS)	Saturdays & Sundays
Louisville (SDF) to Miami (MIA)	Saturdays
Milwaukee (MKE) to Panama City (ECP)	Saturdays
Minneapolis (MSP) to Fort Myers (RSW)	Saturdays
Oklahoma City (OKC) to Tampa (TPA)	Saturdays
Omaha (OMA) to Fort Myers (RSW)	Saturdays
San Diego (SAN) to Kona (KOA)	Saturdays & Sundays
San Diego (SAN) to Lihue (LIH)	Saturdays & Sundays

These additions expand the airline’s seasonal network with more nonstop options for spring break and leisure travel.

New Nonstop Southwest Flights to Costa Rica and the Caribbean

The international expansion adds more Southwest new destinations for travelers planning spring getaways, with services scheduled to begin on March 13, 2027.

New route	Planned Frequency	What to know
Austin (AUS) - San José, Costa Rica (SJO)	Saturday	New nonstop market for Southwest
Nashville (BNA) - Aruba (AUA)	Saturday	Seasonal service
Columbus (CMH) - Punta Cana (PUJ)	Saturday	New Southwest nonstop route

Which Southwest New Routes Are Most Useful for Travelers?

The answer depends on your location and travel plans, but the Southwest Airlines new routes offer more nonstop connections and broader network coverage.

Austin: New service to Detroit, plus Austin–San José, Costa Rica, creates another nonstop international option.
Nashville: New routes to Des Moines, Wichita, St. Thomas, and Aruba expand both domestic and leisure choices.
West Coast: Boise–Los Angeles and San Diego–Kona/Lihue add more nonstop options.
Florida: New services involving Miami, Tampa, Fort Lauderdale, Pensacola, and Fort Myers broaden access to popular leisure markets.
Baltimore connections: BWI–Philadelphia is among the shortest routes in the Southwest Airlines network and is expected to support connections through Southwest’s Baltimore network.

Important: Confirm your chosen route as per the date with the airline before booking.

How to Check the Southwest Airlines Route Map

The Southwest Airlines route map can help you see whether a new service works from your nearest airport, but don't assume every route operates daily.

Some new destinations are seasonal and announced services may have future start dates. Also, checking availability for specific travel dates before booking is suggested.

When checking a new route, look at:

Departure airport and arrival airport
Exact travel date
Nonstop versus connecting itinerary
Operating days
Seasonal availability
Fare type and total trip cost
Baggage and seat-selection costs
Whether the flight is available with Rapid Rewards points

This matters because a route advertised as new may operate only once or twice a week rather than every day.

How Southwest New Routes Affect Fares?

New Southwest nonstop routes can make trips easier, but they do not guarantee the lowest fares. Before booking, compare these key factors:

Compare total trip cost: Look at airfare, baggage, seat selection, and flexibility, not just the base fare.
Check connecting flights: A nonstop flight may cost more but save time and avoid a connection.
Know the fare options: Southwest now offers Basic, Choice, Choice Preferred, and Choice Extra.
Seating has changed: Assigned and extra-legroom seating are available for travel beginning January 27, 2026.

Bottom line: Compare the nonstop option with connecting flights on the same date before booking.

Are Southwest New Routes Available to Book Now?

Many routes are already open for booking, although schedules can change before departure.

Check availability: Confirm the route has started and whether it is seasonal.
Watch limited schedules: Saturday-only services can have fewer booking options.
Verify before booking: Check the latest flight schedule and fare before making plans.
Book early when useful: Limited-frequency routes may have fewer options closer to departure.

Plan Your Next Trip Around the New Southwest Network

With the Southwest Airlines new routes adding more nonstop options for spring 2027, travelers can explore new city pairs across the U.S., Caribbean, and Central America. Check your travel date carefully, as some routes are seasonal or operate only on selected days. Compare fares and schedules with Wizfair Travels, then book your preferred itinerary early to secure the best available option.

FAQs

What are the newest Southwest Airlines routes?

25 new and returning routes, including 22 domestic and 3 international services. Most are scheduled to launch on March 11 or 13, 2027, with several Fall 2026 routes already underway.

When do Southwest's new routes start?

Most of the spring 2027 domestic additions begin March 11, 2027. Several seasonal and international services begin March 13, 2027. Fall 2026 additions begin earlier, including new routes from Austin and Nashville.

What are Southwest's new international routes?

The spring 2027 expansion includes Austin-San José in Costa Rica, Nashville-Aruba, and Columbus-Punta Cana. Nashville-St. Thomas is also being added as a Saturday-only seasonal service.

Does Southwest fly nonstop from Austin to Costa Rica?

Yes, Southwest plans to operate a new nonstop Austin-San José, Costa Rica route beginning March 13, 2027. The service is scheduled for Saturdays.

Does Southwest have new flights from Nashville?

Yes, New Nashville routes include Des Moines, Wichita, St. Thomas, and Aruba for spring 2027. Nashville also receives new fall 2026 service to destinations including El Paso, Manchester, and Reno.

Are Southwest's new routes daily?

Not all of them. Some are planned to operate daily or multiple flights a day, while several new routes are seasonal and operate only on Saturdays or selected days. Always check the exact travel date before booking.

How can I find the cheapest Southwest flight on a new route?

Compare multiple travel dates and the total trip cost rather than looking only at the base fare. If you are considering a new Southwest route, checking alternative dates and comparing available fares through Wizfair Travels can help you identify potential savings before finalizing your booking.