Find low fares on Southwest Airlines® flights from or within the Southwest

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Flying from the Southwest.

Desert denizens, rejoice! It’s easy to trade your sandy, dry-heat day-to-day for somewhere new when you book a flight with Southwest Airlines. Wherever your wanderlust calls you, answer by winging away to your next adventure with us. Lush forests, freshwater lakes, and snowshoe-worthy slopes await you when you explore beyond the Southwest—where will you land?

Denver

Featured destination.

Denver

See the world from a higher perspective. Let the Mile High City enamor you with its beautiful mix of urban and mountain style living.

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Low Fares from the Southwest

Phoenix (PHX)to

San Diego (SAN)
Depart: 02/10/2026
From
$37
One-way
Basic

Phoenix (PHX)to

Seattle/Tacoma (SEA)
Depart: 02/25/2026
From
$37
One-way
Basic

Austin (AUS)to

Las Vegas (LAS)
Depart: 01/13/2026
From
$42
One-way
Basic

Austin (AUS)to

Nashville (BNA)
Depart: 01/06/2026
From
$42
One-way
Basic

Harlingen/South Padre Island (HRL)to

Austin (AUS)
Depart: 01/21/2026
From
$43
One-way
Basic

Phoenix (PHX)to

San Francisco (SFO)
Depart: 01/08/2026
From
$46
One-way
Basic

Austin (AUS)to

Dallas (Love Field) (DAL)
Depart: 01/27/2026
From
$46
One-way
Basic

Houston (Hobby) (HOU)to

Chicago (Midway) (MDW)
Depart: 02/14/2026
From
$46
One-way
Basic

Houston (Hobby) (HOU)to

Dallas (Love Field) (DAL)
Depart: 02/12/2026
From
$46
One-way
Basic

Houston (Hobby) (HOU)to

Phoenix (PHX)
Depart: 01/14/2026
From
$46
One-way
Basic

Dallas (Love Field) (DAL)to

Denver (DEN)
Depart: 01/06/2026
From
$46
One-way
Basic

Dallas (Love Field) (DAL)to

Houston (Hobby) (HOU)
Depart: 02/28/2026
From
$46
One-way
Basic

*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

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Plan your trip from the Southwest

  • Rent a car.

    Earn Rapid Rewards® points on your next rental car.

    Rent a car

  • Book a hotel.

    Find deals for any season.

    Book a hotel

  • Plan a vacation.

    Getaways by Southwest™ offers tons of vacation packages with amazing travel deals.

    Book a vacation package

Join Rapid Rewards, our award-winning frequent flyer program1.

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No blackout dates.

You can use your points to book any seat, on any flight, no exceptions. Any day, any time, any flight, your points are ready to take you to where you want to go.

Your points don’t expire.

You can earn points on flights and on everyday purchases with our partners, which makes getting to your destination easy. No matter when, or where, you earn them, your points won’t expire.

Free inflight WiFi thanks to T-Mobile®.2

Rapid Rewards members can go online to check email, snag a dinner reservation, or browse social media from takeoff to landing. Learn more ›

12022–2023 Freddie Awards. 2Where available. Available only on WiFi-enabled designated aircraft. Free WiFi is only for Rapid Rewards® Members.