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Fort Collins

$68+ Cheap flights from Atlanta (ATL) to Fort Collins, CO

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — DEN
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Fort Collins are usually found in October or January, booked 32 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from Atlanta to Fort Collins

Keep the following information in mind while searching for Atlanta to Fort Collins flight deals. Data was last updated September 19, 2025.

Round-trip from

$98
(Frontier)

One-way from

$68
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$198
From Atlanta Hartsfield-Jackson to Fort Collins
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One-way flight from Atlanta Hartsfield-Jackson to Fort Collins
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Highest demand for flights based on searches. 4% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Atlanta to Fort Collins

Cheapest flights from Atlanta to Fort Collins
Explore the most affordable flight options available from Atlanta to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:29 amATL - DEN
Nonstop3h 30mFrontier
Wed 10/292:45 pmDEN - ATL
Nonstop3h 10mFrontier
Deal found 9/16$98
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:42 amATL - DEN
Nonstop3h 24mFrontier
Mon 10/66:00 amDEN - ATL
1 stop5h 54mFrontier
Deal found 9/16$100
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:30 amATL - DEN
Nonstop3h 33mFrontier
Sat 10/2512:59 amDEN - ATL
Nonstop3h 03mFrontier
Deal found 9/17$101
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:55 pmATL - DEN
Nonstop3h 31mFrontier
Mon 10/271:42 pmDEN - ATL
Nonstop3h 08mFrontier
Deal found 9/16$102
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:29 pmATL - DEN
Nonstop3h 30mFrontier
Wed 11/512:59 amDEN - ATL
Nonstop3h 03mFrontier
Deal found 9/17$103
This Priceline deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:55 pmATL - DEN
Nonstop3h 31mFrontier
Wed 10/292:45 pmDEN - ATL
Nonstop3h 10mFrontier
Deal found 9/17$104
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:30 amATL - DEN
Nonstop3h 33mFrontier
Mon 10/2012:59 amDEN - ATL
Nonstop3h 03mFrontier
Deal found 9/16$105
This Priceline deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:30 amATL - DEN
Nonstop3h 33mFrontier
Mon 10/2712:59 amDEN - ATL
Nonstop3h 03mFrontier
Deal found 9/17$106
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:25 pmATL - DEN
1 stop18h 11mFrontier
Tue 10/211:40 pmDEN - ATL
Nonstop3h 08mFrontier
Deal found 9/17$107
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:42 amATL - DEN
Nonstop3h 24mFrontier
Sun 10/56:00 amDEN - ATL
1 stop10h 44mFrontier
Deal found 9/16$109
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:00 pmATL - DEN
Nonstop3h 28mFrontier
Sat 11/812:59 amDEN - ATL
Nonstop3h 03mFrontier
Deal found 9/17$110
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:42 amATL - DEN
Nonstop3h 24mFrontier
Mon 10/612:59 amDEN - ATL
Nonstop3h 03mFrontier
Deal found 9/17$111

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta to Fort Collins that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 19, 2025.
Use the filters below to find and compare flights from Atlanta to Fort Collins that are best for you.

Fly from

Atlanta

Fly to

Fort Collins

Route

Depart

Return

Price

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Sat 10/11

6:59 pm-8:15 pm

Nonstop3h 16m

Denver Intl

Sat 10/18

6:00 am-10:54 am

Nonstop2h 54m

$197

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Sat 10/11

8:25 pm-9:41 pm

Nonstop3h 16m

Denver Intl

Mon 10/13

12:50 am-5:41 am

Nonstop2h 51m

$217

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Sat 10/11

6:59 pm-8:15 pm

Nonstop3h 16m

Denver Intl

Thu 10/16

12:50 am-5:41 am

Nonstop2h 51m

$217

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Sat 12/13

6:05 am-11:25 am

2 stops7h 20m

Denver Intl

Mon 12/15

8:15 am-3:45 pm

1 stop5h 30m

$222

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Sat 10/18

7:10 am-8:30 am

Nonstop3h 20m

Denver Intl

Mon 10/20

7:40 pm-12:30 am

Nonstop2h 50m

$264

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Tue 10/7

1:57 pm-3:07 pm

Nonstop3h 10m

Denver Intl

Mon 10/13

12:50 am-5:41 am

Nonstop2h 51m

$267

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Sat 10/11

3:59 pm-10:00 pm

1 stop8h 01m

Denver Intl

Wed 10/15

5:42 pm-10:45 pm

Nonstop3h 03m

$297

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Fri 10/3

8:43 pm-9:52 pm

Nonstop3h 09m

Denver Intl

Tue 10/7

6:00 am-10:54 am

Nonstop2h 54m

$297

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Tue 11/11

8:05 am-9:29 am

Nonstop3h 24m

Denver Intl

Fri 11/14

12:50 am-5:44 am

Nonstop2h 54m

$337

AtlantaDenver

ATL - DEN

ATLDEN

Atlanta Hartsfield-Jackson

Tue 10/7

8:05 am-9:21 am

Nonstop3h 16m

Denver Intl

Sun 10/12

12:50 am-5:41 am

Nonstop2h 51m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/19

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Atlanta to Fort Collins

Have a flexible travel schedule? Discover the best time to fly to Fort Collins from Atlanta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Fort Collins

How far ahead should I book a flight from Atlanta to Fort Collins?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Fort Collins. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Atlanta to Fort Collins, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Atlanta to Fort Collins?

Currently, October is the cheapest month in which you can book a flight from Atlanta to Fort Collins (average of $197). Flying from Atlanta to Fort Collins in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATL to FC9?

Find hourly flight availability from Atlanta to Fort Collins. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Atlanta to Fort Collins as you normally would.

What is the cheapest day to fly from Atlanta to Fort Collins?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Fort Collins. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Atlanta to Fort Collins flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Atlanta to Fort Collins

Explore weekly flight availability from Atlanta to Fort Collins. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 19, 2025.

The most flights from ATL to FC9 are scheduled on a Thursday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

Reviews of airlines servicing Fort Collins

Get insights into the airlines that provide service to Fort Collins. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Fort Collins. Reviews last updated September 19, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Atlanta to Fort Collins. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,171 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Fort Collins. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Atlanta to Fort Collins?

    If you book a flight to Fort Collins from Atlanta, you will be flying from Hartsfield-Jackson, which is the city’s only airport. Atlanta Hartsfield-Jackson (ATL) is located 8.2 mi from the center of Atlanta. There are 32 flights from Hartsfield-Jackson to Fort Collins per day from 5 different airlines.

  • How popular is this Atlanta to Fort Collins flight route?

    Flights from Atlanta Hartsfield-Jackson to Fort Collins have been viewed 308 times in the past calendar month.

  • How long is the flight from Atlanta to Fort Collins?

    For as low as $197, Delta can have you in Fort Collins from Atlanta in 3h 16m. Atlanta and Fort Collins are separated by a distance of 1196 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most reliable airlines from Atlanta to Fort Collins?

    Before booking your flight to Fort Collins from Atlanta, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), LATAM Airlines (86%), Air Canada( 82%).

  • What are the cheapest flights from Atlanta to Fort Collins?

    The cheapest flight price from Atlanta to Fort Collins is $76. On average you can expect to pay $572. The most popular route, (Atlanta Hartsfield-Jackson - Denver Intl), can usually be booked for $96.

  • Can I find deals for flights from Atlanta to Fort Collins that include hotel bookings?

    Yes. In addition to deals on Atlanta to Fort Collins flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Fort Collins?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Fort Collins.

  • Can I find deals for business class flights from Atlanta to Fort Collins?

    Yes. Cheapflights offers flight deals from Atlanta to Fort Collins by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Atlanta to Fort Collins?

    Currently, October is the cheapest month in which you can book a flight from Atlanta to Fort Collins (average of $197). Flying from Atlanta to Fort Collins in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Atlanta to Fort Collins

Discover the top 5 airlines that operate flights from Atlanta to Fort Collins. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$71Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$135Average$288FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$149Average$416FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$165Average$301FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$191Average$273FlexibilityNo cancel feeOn-time71%

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