Southwest® flights to Denver starting at $53
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Popular flights to Denver on Southwest Airlines
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flight_land
$
San Diego (SAN)to
Denver (DEN)Depart: 04/29/2026
From
$53
Seen: 20 hrs ago
One-way
Basic
Dallas (Love Field) (DAL)to
Denver (DEN)Depart: 04/29/2026
From
$78
Seen: 13 hrs ago
One-way
Basic
Las Vegas (LAS)to
Denver (DEN)Depart: 04/28/2026
From
$78
Seen: 14 hrs ago
One-way
Basic
Houston (Hobby) (HOU)to
Denver (DEN)Depart: 04/29/2026
From
$85
Seen: 14 hrs ago
One-way
Basic
Austin (AUS)to
Denver (DEN)Depart: 04/29/2026
From
$85
Seen: 14 hrs ago
One-way
Basic
Los Angeles (LAX)to
Denver (DEN)Depart: 04/29/2026
From
$85
Seen: 17 hrs ago
One-way
Basic
Nashville (BNA)to
Denver (DEN)Depart: 04/29/2026
From
$85
Seen: 23 hrs ago
One-way
Basic
San Antonio (SAT)to
Denver (DEN)Depart: 04/28/2026
From
$85
Seen: 12 hrs ago
One-way
Basic
Phoenix (PHX)to
Denver (DEN)Depart: 05/02/2026
From
$99
Seen: 20 hrs ago
One-way
Basic
Tampa (TPA)to
Denver (DEN)Depart: 04/29/2026
From
$100
Seen: 3 hrs ago
One-way
Basic
Chicago (Midway) (MDW)to
Denver (DEN)Depart: 04/29/2026
From
$101
Seen: 16 hrs ago
One-way
Basic
St. Louis (STL)to
Denver (DEN)Depart: 04/28/2026
From
$101
Seen: 19 hrs ago
One-way
Basic
Chicago (O'Hare) (ORD)to
Denver (DEN)Depart: 04/29/2026
From
$101
Seen: 2 hrs ago
One-way
Basic
Kansas City (MCI)to
Denver (DEN)Depart: 04/22/2026
From
$104
Seen: 12 hrs ago
One-way
Basic
Atlanta (ATL)to
Denver (DEN)Depart: 05/02/2026
From
$109
Seen: 3 hrs ago
One-way
Basic
Oakland (OAK)to
Denver (DEN)Depart: 05/02/2026
From
$109
Seen: 13 hrs ago
One-way
Basic
Orlando (MCO)to
Denver (DEN)Depart: 05/02/2026
From
$129
Seen: 5 hrs ago
One-way
Basic
Sacramento (SMF)to
Denver (DEN)Depart: 04/24/2026
From
$149
Seen: 19 hrs ago
One-way
Basic
Indianapolis (IND)to
Denver (DEN)Depart: 04/30/2026
From
$149
Seen: 2 hrs ago
One-way
Basic
Baltimore/Washington (BWI)to
Denver (DEN)Depart: 04/29/2026
From
$158
Seen: 2 hrs ago
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.
Flights to Denver—Denver International Airport (DEN)
Hop on our convenient flights to Denver, then get ready to experience some of America’s most majestic landscapes. Denver International Airport (DEN) is your gateway to world-class outdoor activities, plus the vibrant city culture that’s made the Denver metro a hotbed for arts, tech, and family fun.
Getting From DEN to Denver and Nearby Areas
Once you touch down, getting from DEN to Denver and the surrounding areas is straightforward. (DEN is the airport’s correct FAA code, although locals often refer to it as DIA.) No matter which of the Denver airlines you’re flying with, you've got a few different options available for transportation after you land:
- A Line commuter train: If you're heading straight to downtown Denver, the train is a fast and cost-effective option that drops you right at Union Station.
- Rental cars: Prefer to drive? You'll find plenty of rental cars ready to take you to the suburbs, Boulder, Estes Park, and beyond.
- Rideshares: These are also a convenient way to navigate the city and get to your hotel with ease.
How to Find Cheap Flights to Denver
Traveling smart means more money in your pocket for mile-high adventures, so check out these tips for finding cheap flights to Denver:
- Pick your dates: If your plans are flexible, the Southwest Low Fare Calendar is an easy way to find cheap flights to Colorado.
- Fly midweek: Traveling on Tuesdays and Wednesdays often means lower fares and fewer crowds.
- Join Rapid Rewards®: Sign up for our loyalty program to earn points on flights, which you can use for future travel.
- Get email updates: Subscribe to our mailing list and get the latest news on sales and promotions delivered to your inbox.
What’s the Best Time to Visit Denver?
The best time to visit Denver depends on your idea of a good time. Colorado’s cold, snowy winter is perfect for hitting the nearby ski slopes. Summer offers great weather for hiking and exploring the city's outdoor festivals. Just remember that summer and mid-winter are peak seasons, so book early to maximize your options for finding cheap flights to Colorado.
Details about Denver International Airport
Airport code:
DEN
City:
Denver
State:
Colorado
Concourse:
Concourse C
Gates:
Gates C: 23-37, 40-47, 49, 51
Airport-provided WiFi
Cities with weekly flights from DEN:
120†
Cities with daily nonstop flights Monday through Friday from DEN:
82‡
Cities with daily nonstop flights Saturday through Sunday from DEN:
170§
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2025 and 10/31/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2025 and 10/31/2025.
Find cheap flights to Denver
flight_takeoff
flight_land
$
San Diego (SAN)to
Denver (DEN)
Depart: 05/09/2026
One-way
Basic
From
$53
Seen: 20 hrs ago
Omaha (OMA)to
Denver (DEN)
Depart: 04/28/2026
One-way
Basic
From
$59
Seen: 21 hrs ago
Oklahoma City (OKC)to
Denver (DEN)
Depart: 06/03/2026
One-way
Basic
From
$59
Seen: 23 hrs ago
Salt Lake City (SLC)to
Denver (DEN)
Depart: 05/12/2026
One-way
Basic
From
$70
Seen: 21 hrs ago
Dallas (Love Field) (DAL)to
Denver (DEN)
Depart: 06/10/2026
One-way
Basic
From
$78
Seen: 13 hrs ago
Las Vegas (LAS)to
Denver (DEN)
Depart: 04/28/2026
One-way
Basic
From
$78
Seen: 14 hrs ago
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12022–2023 Freddie Awards. 2Where available. Available only on WiFi-enabled designated aircraft. Free WiFi is only for Rapid Rewards® Members.
More Southwest flights to Denver