Attention all Denver residents (or anyone looking to travel to Denver), today is a great day to book domestic airfares. Frontier Airlines just launched a massive sale starting at $39 each way including tax to major cities throughout the United States. This advertised sale ends Thursday, but the sooner you book, the better the availability.

Sale Details

Flights are available Tuesday, Wednesday and Saturday, mid-August through November. Select dates are also available December 1-18 using the search box on the right. Again, availability is limited, so book ASAP! All flights are nonstop.

Click the links below to search for the best dates to travel using Fly.com’s Fare Calendars. All fares are each way, including taxes, from Denver. Calendars will display roundtrip fares, including taxes:

• $39-$49 — Albuquerque
  
• $47 — Omaha
• $49 — Salt Lake City
• $59 — Kansas City
• $69 — Chicago
• $69 — Phoenix
• $74-$99 — New Orleans (limited dates)
• $79 — Austin
• $79 — Houston
• $89 — San Diego
• $89 — St. Louis
• $99 — Portland
• $99-$109 — Palm Springs (limited dates)
• $109 — San Francisco
• $119 — Seattle
• $178 — Anchorage (Aug.-Sept. only)

All flights available in the opposite direction.

Other Cheap Flights from Denver

Low-cost carrier, Spirit Airlines, has some pretty competitive prices on several destinations from Denver as well. Keep in mind that Spirit charges for carry-on baggage, so consider that when booking. Consult our baggage fees table for more information. In many cases, flights on Frontier can be had for only $10-$20 more roundtrip, which is definitely worth it when factoring in Spirit fees.

Click the links below to search for the best dates to travel using Fly.com’s Fare Calendars. All fares are each way, including taxes, from Denver. Calendars will display roundtrip fares, including taxes:

• $62 — Las Vegas
  
• $69 — Dallas
• $78 — Los Angeles
  
• $88 — New York City
  
• $94-$110 — Fort Lauderdale

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• Low Fare Calendars – This tool shows the best deals from the nearest major airport and allows users to create a custom fare calendar for any route (scroll to the bottom for this functionality).

Featured Image: Frontier Airlines Airbus A-319 (Ivan Cholakov / Shutterstock.com)

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