$100 Cheap Frontier Airlines flights Atlanta (ATL) to Denver (DEN)

View $100 flight on Tue, Aug 5, 2025Opens in a new window

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$100 Cheap Frontier Airlines flights Atlanta (ATL) to Denver (DEN)

Prices were available within the past 7 days and start at $100 for one-way flights and $144 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Jul 15 - Wed, Jul 16
ATL
Atlanta
DEN
Denver
$144 Roundtrip, found 7 hours ago
$144
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Tue, Jul 15 from Atlanta to Denver, returning Wed, Jul 16, priced at $144 found 7 hours ago
Frontier Airlines
Tue, Jul 22 - Tue, Jul 29
ATL
Atlanta
DEN
Denver
$149 Roundtrip, just found
$149
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jul 22 from Atlanta to Denver, returning Tue, Jul 29, priced at $149 just found
Frontier Airlines
Wed, Jul 23 - Thu, Jul 24
ATL
Atlanta
DEN
Denver
$164 Roundtrip, found 1 hour ago
$164
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Jul 23 from Atlanta to Denver, returning Thu, Jul 24, priced at $164 found 1 hour ago
Frontier Airlines
Sat, Jul 19 - Wed, Jul 23
ATL
Atlanta
DEN
Denver
$165 Roundtrip, just found
$165
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jul 19 from Atlanta to Denver, returning Wed, Jul 23, priced at $165 just found
Frontier Airlines
Tue, Aug 5 - Sun, Aug 10
ATL
Atlanta
DEN
Denver
$175 Roundtrip, just found
$175
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Aug 5 from Atlanta to Denver, returning Sun, Aug 10, priced at $175 just found
Frontier Airlines
Tue, Aug 19 - Wed, Aug 27
ATL
Atlanta
DEN
Denver
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Aug 19 from Atlanta to Denver, returning Wed, Aug 27, priced at $180 just found
Flights from Atlanta (ATL) to Denver (DEN)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
Frontier Airlines
Distance
1195 mi
Average flight time
1 hour 12 mins

Frequently asked questions

How much is a Frontier Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap Frontier Airlines round-trip flights from $144 from ATL to DEN. Affordable one-way fares from $100 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ATL to DEN with Frontier Airlines?
Frontier Airlines flights to Denver are often more affordable in the off-peak months of January and November. Whether you're after a round-trip or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN) with Frontier Airlines?
Look for cheap Frontier Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN)?
Frontier Airlines has direct flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN), with 9 departures each week. Simply apply the "Nonstop" and "Airline" filters while searching on Expedia to see all direct Frontier Airlines flights to DEN.
How long does it take to fly from ATL to DEN with Frontier Airlines?
Leave Hartsfield-Jackson Atlanta Intl. Airport (ATL) for Denver Intl. Airport (DEN) on a nonstop Frontier Airlines flight, and you'll be in the sky for approximately 3h 36m.
Which day of the week has the most Frontier Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN)?
Frontier Airlines operates the most flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN) on Saturday. With up to 2 daily departures, you'll get the most flexibility on this day.
What is the earliest Frontier Airlines flight from ATL to DEN?
Jetting off from ATL at 10:07AM UTC-5, the first Frontier Airlines flight to DEN lands at 11:49AM UTC-7. Flying earlier in the day means you're less likely to encounter delays.* After something later? The last Frontier Airlines flight from ATL to DEN departs at 10:29PM UTC-5 and touches down at 12:03AM UTC-7.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Denver?
Frontier Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver land at Denver Intl. Airport (DEN). This is the main gateway here.
Why fly with Frontier Airlines from ATL to DEN?
Travel from ATL to DEN with Frontier Airlines and you'll enjoy a range of benefits including a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Frontier Airlines fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN)?
You'll likely be seated on an Airbus A320neo or an Airbus A321neo when flying Frontier Airlines from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN). However, keep in mind that a different aircraft may be used depending on operational demands.
Can I change or cancel my Frontier Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Denver Intl. Airport (DEN)?
Depending on your ticket type, a fee generally applies if you cancel or change your booking more than 24 hours after it's been confirmed. To find flexible fares, select our "No cancel fee" or "Changes included" filter when you search for flights. To learn more about canceling or changing your reservation, visit "Trips," select your flight and click on "Manage Booking."

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