$98+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — DEN
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta to Fort Collins with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Fort Collins are usually found in January or October, booked 41 days in advance, depart on a Wednesday or Saturday and return on a Wednesday
Cheap flight deals from Atlanta to Fort Collins
Cheapest
Best
Last-minute
One-way
Cheapest flights from Atlanta to Fort CollinsExplore 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 July 28, 2026.
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 July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Tue 9/87:57 am
ATL
- DEN
Nonstop3h 22m
Frontier
Fri 9/119:16 pm
DEN
- ATL
1 stop10h 04m
Frontier
Deal found 7/28![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 9/96:41 am
ATL
- DEN
Nonstop3h 23m
Frontier
Fri 9/119:16 pm
DEN
- ATL
1 stop10h 04m
Frontier
Deal found 7/27![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Mon 10/128:50 am
ATL
- DEN
1 stop14h 59m
Frontier
Tue 10/1311:48 pm
DEN
- ATL
Nonstop2h 52m
Frontier
Deal found 7/28![Frontier logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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.
Fri 10/238:59 pm
ATL
- DEN
Nonstop3h 34m
Frontier
Sat 11/1410:56 am
DEN
- ATL
Nonstop3h 03m
Frontier
Deal found 7/26![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 7/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:59 pm
ATL
- DEN
Nonstop3h 25m
Frontier
Wed 9/2312:24 pm
DEN
- ATL
Nonstop3h 07m
Frontier
Deal found 7/26![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 7/26. 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 10/138:59 pm
ATL
- DEN
Nonstop3h 34m
Frontier
Mon 10/1910:30 am
DEN
- ATL
Nonstop3h 03m
Frontier
Deal found 7/26![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sat 9/59:00 pm
ATL
- DEN
1 stop13h 14m
Frontier
Tue 9/810:43 am
DEN
- ATL
Nonstop3h 06m
Frontier
Deal found 7/27![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 8/199:00 pm
ATL
- DEN
1 stop13h 14m
Frontier
Tue 8/259:06 pm
DEN
- ATL
1 stop10h 26m
Frontier
Deal found 7/27![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Wed 9/236:41 am
ATL
- DEN
Nonstop3h 23m
Frontier
Thu 10/16:09 am
DEN
- ATL
1 stop7h 15m
Frontier
Deal found 7/25![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Sat 8/226:07 am
ATL
- DEN
1 stop9h 13m
Frontier
Sat 8/297:00 am
DEN
- ATL
1 stop11h 04m
Frontier
Deal found 7/26![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 7/25. 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 10/148:59 pm
ATL
- DEN
Nonstop3h 34m
Frontier
Thu 10/156:30 am
DEN
- ATL
Nonstop2h 55m
Frontier
Deal found 7/25![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sat 8/296:07 am
ATL
- DEN
1 stop9h 13m
Frontier
Sat 9/510:09 am
DEN
- ATL
1 stop8h 11m
Frontier
Deal found 7/25![Frontier logo]()
$144
Best flights from Atlanta to Fort CollinsDiscover carefully curated flight deals from Atlanta to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from Atlanta to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:35 pm
ATL
- DEN
Nonstop3h 17m
Delta
Sat 8/296:00 am
DEN
- ATL
Nonstop2h 59m
Delta
Deal found 7/24![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:50 am
ATL
- DEN
2 stops6h 20m
Southwest
Sat 9/1211:10 am
DEN
- ATL
2 stops7h 20m
Southwest
Deal found 7/26![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:40 pm
ATL
- DEN
2 stops6h 50m
Southwest
Fri 10/163:25 pm
DEN
- ATL
1 stop5h 55m
Southwest
Deal found 7/24![Southwest logo]()
$288
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:35 am
ATL
- DEN
1 stop4h 35m
Southwest
Sun 11/12:10 pm
DEN
- ATL
2 stops6h 15m
Southwest
Deal found 7/26![Southwest logo]()
$318
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:10 am
ATL
- DEN
1 stop4h 35m
Southwest
Sat 8/2211:10 am
DEN
- ATL
2 stops7h 15m
Southwest
Deal found 7/27![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:50 pm
ATL
- DEN
2 stops8h 00m
Southwest
Sun 10/46:00 am
DEN
- ATL
1 stop6h 20m
Southwest
Deal found 7/27![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:05 am
ATL
- DEN
1 stop4h 55m
Southwest
Thu 8/2712:10 pm
DEN
- ATL
2 stops7h 15m
Southwest
Deal found 7/24![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:40 pm
ATL
- DEN
Nonstop3h 10m
Southwest
Sun 8/167:20 pm
DEN
- ATL
Nonstop2h 55m
Southwest
Deal found 7/24![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:15 pm
ATL
- DEN
1 stop5h 05m
Southwest
Tue 10/131:30 pm
DEN
- ATL
2 stops5h 35m
Southwest
Deal found 7/27![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 7/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:50 am
ATL
- DEN
2 stops6h 20m
Southwest
Sun 9/138:15 am
DEN
- ATL
1 stop4h 35m
Southwest
Deal found 7/25![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2011:45 am
ATL
- DEN
Nonstop3h 25m
Southwest
Mon 1/257:00 am
DEN
- ATL
Nonstop2h 45m
Southwest
Deal found 7/27![Southwest logo]()
$365
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:15 pm
ATL
- DEN
1 stop4h 45m
Southwest
Tue 8/186:00 am
DEN
- ATL
2 stops6h 25m
Southwest
Deal found 7/27![Southwest logo]()
$372
Last-minute flights from Atlanta to Fort CollinsDiscover last-minute flight deals from Atlanta to Fort Collins. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Fort Collins. Data last updated July 28, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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.
Mon 8/37:40 am
ATL
- DEN
Nonstop3h 23m
Frontier
Sun 8/1611:46 pm
DEN
- ATL
Nonstop3h 16m
Frontier
Deal found 7/23![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 7/23. 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.
Fri 8/75:05 am
ATL
- DEN
1 stop12h 03m
Frontier
Sat 8/2210:43 am
DEN
- ATL
Nonstop3h 06m
Frontier
Deal found 7/23![Frontier logo]()
$203
This Super.com deal was found by Cheapflights users on 7/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:40 am
ATL
- DEN
Nonstop3h 23m
Frontier
Wed 8/126:30 am
DEN
- ATL
Nonstop3h 09m
Frontier
Deal found 7/23![Frontier logo]()
$252
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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.
Fri 8/77:11 pm
ATL
- DEN
1 stop10h 39m
Frontier
Fri 8/2110:43 am
DEN
- ATL
Nonstop3h 06m
Frontier
Deal found 7/28![Frontier logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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.
Fri 8/712:34 pm
ATL
- DEN
Nonstop3h 27m
Frontier
Tue 8/1111:59 pm
DEN
- ATL
Nonstop3h 22m
Frontier
Deal found 7/26![Frontier logo]()
$283
One-way flights from Atlanta to Fort CollinsSearch for one-way flight options from Atlanta to Fort Collins. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from Atlanta to Fort Collins. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Mon 8/247:57 am
ATL
- DEN
Nonstop3h 22m
Frontier
Deal found 7/27![Frontier logo]()
$98
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:50 pm
ATL
- DEN
Nonstop3h 24m
Delta
Deal found 7/27![Delta logo]()
$99
This eDestinos deal was found by Cheapflights users on 7/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:07 am
ATL
- DEN
1 stop28h 07m
Frontier
Deal found 7/24![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sun 9/69:26 am
ATL
- DEN
1 stop16h 37m
Frontier
Deal found 7/25![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 11/128:50 am
ATL
- DEN
1 stop14h 59m
Frontier
Deal found 7/24![Frontier logo]()
$103
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:24 am
ATL
- DEN
Nonstop3h 23m
United Airlines
Deal found 7/23![United Airlines logo]()
$104
This Frontier deal was found by Cheapflights users on 7/28. 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.
Sun 10/258:00 am
ATL
- DEN
Nonstop3h 31m
Frontier
Deal found 7/28![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 10/1811:15 am
ATL
- DEN
1 stop22h 56m
Frontier
Deal found 7/23![Frontier logo]()
$106
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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.
Mon 11/2310:05 am
ATL
- DEN
Nonstop3h 42m
Frontier
Deal found 7/27![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/238:47 pm
ATL
- DEN
1 stop13h 24m
Frontier
Deal found 7/23![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sun 8/168:30 pm
ATL
- DEN
2 stops25h 33m
Frontier
Deal found 7/25![Frontier logo]()
$109
Find 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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $134 (Kiwi.com) |
One-way from | $98 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $300 |
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 July 28, 2026.
Use the filters below to find and compare flights from Atlanta to Fort Collins that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Sat 8/22
6:35 pm-7:52 pm
Nonstop3h 17m
Denver Intl
Sat 8/29
6:00 am-10:59 am
Nonstop2h 59m
$257
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Wed 8/26
9:50 am-2:10 pm
2 stops6h 20m
Denver Intl
Sat 9/12
11:10 am-8:30 pm
2 stops7h 20m
$287
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Wed 10/14
4:40 pm-9:30 pm
2 stops6h 50m
Denver Intl
Fri 10/16
3:25 pm-11:20 pm
1 stop5h 55m
$288
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Thu 10/29
10:35 am-1:10 pm
1 stop4h 35m
Denver Intl
Sun 11/1
2:10 pm-10:25 pm
2 stops6h 15m
$318
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Thu 8/20
7:10 am-9:45 am
1 stop4h 35m
Denver Intl
Sat 8/22
11:10 am-8:25 pm
2 stops7h 15m
$322
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Sat 9/26
12:50 pm-6:50 pm
2 stops8h 00m
Denver Intl
Sun 10/4
6:00 am-2:20 pm
1 stop6h 20m
$322
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Thu 8/20
7:05 am-10:00 am
1 stop4h 55m
Denver Intl
Thu 8/27
12:10 pm-9:25 pm
2 stops7h 15m
$322
Quickest round-trip
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Fri 8/14
6:40 pm-7:50 pm
Nonstop3h 10m
Denver Intl
Sun 8/16
7:20 pm-12:15 am
Nonstop2h 55m
$327
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Fri 10/9
9:15 pm-12:20 am
1 stop5h 05m
Denver Intl
Tue 10/13
1:30 pm-9:05 pm
2 stops5h 35m
$329
AtlantaDenver
ATL - DEN
ATLDEN
Atlanta Hartsfield-Jackson
Wed 9/9
9:50 am-2:10 pm
2 stops6h 20m
Denver Intl
Sun 9/13
8:15 am-2:50 pm
1 stop4h 35m
$342
Showing 1-10 of 24 resultsSorted by cheapest first
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.
ATL-DEN
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
ATL-FC9
ATL-DEN
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 July 28, 2026.
A simple way to save on the total cost of your ticket is to fly from Atlanta to Fort Collins in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the afternoon.
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 July 28, 2026.
The most flights from ATL to FC9 are scheduled on a Monday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from Atlanta to Fort Collins?
Airfare is below average for this route at the moment.
Atlanta to Fort Collins flights typically cost between $166 and $322 in September.The cheapest round-trip price found within the last 5 days was $134 on Frontier (Sep 5-Sep 9).
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 July 25, 2026.
Travelers seeking maximum savings on their Atlanta to Fort Collins flight should consider departing on Wednesday 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.
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 July 28, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited 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.
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
8.0
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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Atlanta and Fort Collins flights
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Top 6 airlines flying from Atlanta to Fort Collins
Discover the top 6 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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$106 | Average$276 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$120 | Average$206 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$125 | Average$430 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$133 | Average$338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$160 | Average$319 | FlexibilityNo cancel fee | On-time63% |