Cheap Flights to Southwest

View ₩115,600 flight on Sat, Feb 21, 2026Opens in a new window

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How much is the cheapest flight to Southwest?

Prices were available within the past 7 days and start at ₩115,600 for one-way flights and ₩231,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Feb 21 - Sat, Feb 28
LAX
Los Angeles
DEN
Denver
₩231,200 Roundtrip, found 1 day ago
₩231,200
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Feb 21 from Los Angeles to Denver, returning Sat, Feb 28, priced at ₩231,200 found 1 day ago
Frontier Airlines
Mon, Jan 26 - Sat, Jan 31
LAX
Los Angeles
DEN
Denver
₩243,000 Roundtrip, found 21 hours ago
₩243,000
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Mon, Jan 26 from Los Angeles to Denver, returning Sat, Jan 31, priced at ₩243,000 found 21 hours ago
American Airlines
Sat, Feb 21 - Sat, Feb 28
LAX
Los Angeles
DEN
Denver
₩334,200 Roundtrip, found 1 day ago
₩334,200
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Feb 21 from Los Angeles to Denver, returning Sat, Feb 28, priced at ₩334,200 found 1 day ago
United
Sat, Feb 21 - Sat, Feb 28
LAX
Los Angeles
DEN
Denver
₩334,200 Roundtrip, found 1 day ago
₩334,200
Roundtrip
found 1 day ago
Select United flight, departing Sat, Feb 21 from Los Angeles to Denver, returning Sat, Feb 28, priced at ₩334,200 found 1 day ago
Hawaiian Airlines
Sat, Mar 7 - Sun, Mar 8
LAX
Los Angeles
DEN
Denver
₩440,800 Roundtrip, found 2 days ago
₩440,800
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Mar 7 from Los Angeles to Denver, returning Sun, Mar 8, priced at ₩440,800 found 2 days ago

Searching for cheap flights to Southwest? No travel company presents more choices than Expedia if you're looking to compare flights to Southwest. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Denver. Expedia provides the cheapest flights to many destinations in Denver and you may find even greater savings if you combine your flight with a hotel stay in Southwest.

Frequently asked questions

How do I find cheap flights to Southwest that have flexible change policies?
By using our convenient "No change fee" filter, that's how. Simply type in your dates and other details, click "Search," then select the box below the "Flexible change policies" subheading (look to the left of your screen). Expedia makes it simple to find cheap, flexible airfares to Southwest.
Which airlines fly to Southwest?
Book a seat with one of these airlines and dynamic Southwest will be all yours to discover:

  • United Airlines - 13,033 flights to or near Southwest each month, including 13,033 flights to Denver Intl. Airport (DEN) per month.
  • Southwest Airlines - 6,339 flights to or near Southwest each month, including 6,339 flights to Denver Intl. Airport (DEN) per month.
  • Frontier Airlines - 1,967 flights to or near Southwest each month, including 1,967 flights to Denver Intl. Airport (DEN) per month.

How can I find cheap tickets to Southwest?
You'll always walk away with an epic deal with Expedia, but our "flexible dates" feature makes it that much easier. Enter your preferred flight date, then check the flexible dates box above to see the cheapest prices for nearby days. ₩231,200 was the best price for a flight to Southwest in the last seven days.
How much is a flight to Southwest?
One-way flights departing from Los Angeles (LAX) sold for just ₩115,600 in the last seven days. During this time, the cost of a round-trip fare to Southwest varied between ₩231,200 and ₩832,600. If you spot a deal, grab it quickly — these fares don't stick around.
What are the most popular airports to fly into in Southwest?
Jet into Denver Intl. Airport (DEN) and enjoy all that Southwest has to offer. As the region's primary entry point, about 24,249 flights touch down here every month.
When is the cheapest time to fly to Southwest?
If you'd rather spend your money enjoying the best of Southwest rather than on flying there, jet off earlier in the week. The most cost-effective day to travel is normally Tuesday, with Monday a close second. With many folks traveling over the weekend, Saturday often has the highest airfares.
How much is a plane ticket to Southwest?
In the last seven days, fares to Southwest cost between ₩231,200 and ₩832,600. Prices usually rise as your travel date nears, so find a cheap flight today.
What months are the cheapest to book a flight to Southwest?
The perfect month to purchase well-priced airfares to Southwest is February. It's worth noting that in the USA, the most expensive time to reserve a ticket is the festive month of December.
Flights to Southwest information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Destination city name
Denver
Roundtrip price
₩231,200

Trending flights to Southwest

Prices were available within the past 7 days and start at ₩115,600 for one-way flights and ₩231,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Apr 1 - Sun, May 3
ICN
Seoul
DEN
Denver
₩832,600 Roundtrip, found 4 hours ago
₩832,600
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Apr 1 from Seoul to Denver, returning Sun, May 3, priced at ₩832,600 found 4 hours ago
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