$69 Cheap Frontier Airlines flights Atlanta (ATL) to Denver (DEN)

View $69 flight on Wed, Oct 15, 2025Opens in a new window

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$69 Cheap Frontier Airlines flights Atlanta (ATL) to Denver (DEN)

Prices were available within the past 7 days and start at $69 for one-way flights and $109 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Oct 21 - Wed, Oct 29
ATL
Atlanta
DEN
Denver
$109 Roundtrip, found 20 hours ago
$109
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Tue, Oct 21 from Atlanta to Denver, returning Wed, Oct 29, priced at $109 found 20 hours ago
Frontier Airlines
Mon, Oct 27 - Tue, Nov 4
ATL
Atlanta
DEN
Denver
$115 Roundtrip, found 20 hours ago
$115
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Mon, Oct 27 from Atlanta to Denver, returning Tue, Nov 4, priced at $115 found 20 hours ago
Frontier Airlines
Sat, Oct 11 - Sun, Oct 19
ATL
Atlanta
DEN
Denver
$116 Roundtrip, found 20 hours ago
$116
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Oct 11 from Atlanta to Denver, returning Sun, Oct 19, priced at $116 found 20 hours ago
Frontier Airlines
Sun, Nov 2 - Tue, Nov 4
ATL
Atlanta
DEN
Denver
$121 Roundtrip, found 4 days ago
$121
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Nov 2 from Atlanta to Denver, returning Tue, Nov 4, priced at $121 found 4 days ago
Frontier Airlines
Sat, Aug 9 - Sun, Aug 24
ATL
Atlanta
DEN
Denver
$125 Roundtrip, found 4 days ago
$125
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Aug 9 from Atlanta to Denver, returning Sun, Aug 24, priced at $125 found 4 days ago
Frontier Airlines
Sat, Nov 1 - Sun, Nov 2
ATL
Atlanta
DEN
Denver
$126 Roundtrip, found 4 days ago
$126
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Nov 1 from Atlanta to Denver, returning Sun, Nov 2, priced at $126 found 4 days ago
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 9 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 $109 from ATL to DEN. Affordable one-way fares from $69 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."
*Available to One Key members.