Southwest Airlines Phoenix to Denver Flights

Return flight: Denver – Phoenix

Cheapflightsplus.com will find cheap Southwest Airlines flights from Phoenix to Denver. Compare airline ticket prices and book air tickets starting from $274 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Southwest Airlines, arrivals and departure details below.

Find Cheap Airfare Phoenix (AZ) — Denver (CO) by Southwest Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in march: one-way - $274, two-way – $470.
Direct flights
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Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
12:05 pm — 7:06 pm
12:05 pm — 12:35 pm WN1011 Southwest Airlines
Phoenix — Los Angeles
3h 5m stop
3:40 pm — 7:06 pm DL2004 Delta Air Lines Inc.
Los Angeles — Denver
7h 1m
including layover
Find flight
from$285
12:05 pm — 6:11 pm
12:05 pm — 12:35 pm WN1011 Southwest Airlines
Phoenix — Los Angeles
2h 10m stop
2:45 pm — 6:11 pm UA1897 United Airlines
Los Angeles — Denver
6h 6m
including layover
Find flight
from$324
12:05 pm — 6:46 pm
12:05 pm — 12:35 pm WN1011 Southwest Airlines
Phoenix — Los Angeles
2h 48m stop
3:23 pm — 6:46 pm AA4875 American Airlines
Los Angeles — Denver
6h 41m
including layover
Find flight
from$325
3:25 pm — 10:36 pm
3:25 pm — 3:55 pm WN681 Southwest Airlines
Phoenix — Los Angeles
3h 15m stop
7:10 pm — 10:36 pm UA2610 United Airlines
Los Angeles — Denver
7h 11m
including layover
Find flight
from$312
4:55 pm — 11:25 pm
4:55 pm — 5:25 pm WN3247 Southwest Airlines
Phoenix — Los Angeles
2h 34m stop
7:59 pm — 11:25 pm DL1049 Delta Air Lines Inc.
Los Angeles — Denver
6h 30m
including layover
Find flight
from$274
4:55 pm — 11:51 pm
4:55 pm — 5:25 pm WN3247 Southwest Airlines
Phoenix — Los Angeles
3h stop
8:25 pm — 11:51 pm UA2217 United Airlines
Los Angeles — Denver
6h 56m
including layover
Find flight
from$312
7:30 am — 2:44 pm
7:30 am — 8:05 am WN1264 Southwest Airlines
Phoenix — Los Angeles
3h 10m stop
11:15 am — 2:44 pm UA1260 United Airlines
Los Angeles — Denver
7h 14m
including layover
Find flight
from$324
9:15 am — 4:05 pm
9:15 am — 9:45 am WN1471 Southwest Airlines
Phoenix — Los Angeles
2h 55m stop
12:40 pm — 4:05 pm UA493 United Airlines
Los Angeles — Denver
6h 50m
including layover
Find flight
from$324
*Departure and arrival times are local. Last updated on 03/14/2025

Flight Information

There are 9 flights by Southwest Airlines from Phoenix to Denver every week with departures from Sky Harbor Intl, Phoenix-Deer Valley, Luke AFB, Scottsdale Municipal, Williams Gateway. All flights arrive at Denver International and Arapahoe Co.

Departures start from 12:05 pm to 9:15 am. Nonstop flight is 6h 6m. The time difference between Phoenix and Denver is 0h.

  • The fastest flight 6h 6m
  • Average flight time 6h 53m
  • The earliest flight 12:05 pm
  • The latest flight 9:15 am
  • Distance 603 ml

The cheapest months for traveling to Denver are november (from 274 $).

The cheapest flight by Southwest Airlines that our users were able to find is $274. This airfare is economy class on one-way WN3247 flight for November 12, 2024 leaving Sky Harbor Intl in Phoenix at 4:55 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Southwest Airlines there are other 10 airline carriers between Phoenix and Denver. Please review schedules and prices from the most popular airlines to find the best airfare deals from Phoenix to Denver.

Nonstop flights

There are 42 direct flights every day from Phoenix. Airlines and fares are below:

  • from $29
    Find
  • AA - American Airlines
    from $121
    Find
  • UA - United Airlines
    from $111
    Find
See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

  • from $59
    Find
  • AA - American Airlines
    from $180
    Find
  • AS - Alaska Airlines
    from $144
    Find
  • SY - Sun Country Airlines
    from $132
    Find
  • DL - Delta Air Lines Inc.
    from $111
    Find
  • UA - United Airlines
    from $123
    Find
  • KG - Aerogaviota
    from $425
    Find
  • WS - WestJet
    from $652
    Find
  • G4 - Allegiant Air
    from $103
    Find
  • NK - Spirit Airlines
    from $206
    Find
See more connecting flights

How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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