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Fort Collins

$95+ Cheap flights from Raleigh (RDU) 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to Fort Collins are usually found in September or January, booked 62 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Raleigh to Fort Collins

Cheapest flights from Raleigh to Fort Collins
Explore the most affordable flight options available from Raleigh to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Frontier deal was found by Cheapflights users on 12/11. 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 12/238:14 pmRDU - DEN
1 stop14h 10mFrontier
Sat 1/106:33 pmDEN - RDU
1 stop11h 20mFrontier
Deal found 12/11$191
This CheapOair deal was found by Cheapflights users on 12/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:14 pmRDU - DEN
1 stop28h 50mFrontier
Fri 1/91:21 pmDEN - RDU
Nonstop3h 20mFrontier
Deal found 12/11$217
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/258:14 pmRDU - DEN
1 stop28h 50mFrontier
Sat 1/106:33 pmDEN - RDU
1 stop11h 20mFrontier
Deal found 12/11$224
This CheapOair deal was found by Cheapflights users on 12/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:50 pmRDU - DEN
1 stop14h 37mFrontier
Tue 12/1611:59 pmDEN - RDU
1 stop14h 45mFrontier
Deal found 12/9$234
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/309:05 pmRDU - DEN
1 stop13h 51mFrontier
Tue 1/66:00 amDEN - RDU
1 stop16h 12mFrontier
Deal found 12/9$235
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/2410:57 amRDU - DEN
1 stop7h 44mFrontier
Sat 1/106:43 pmDEN - RDU
2 stops11h 10mFrontier
Deal found 12/11$246
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:25 pmRDU - DEN
1 stop10h 43mFrontier
Mon 1/56:00 amDEN - RDU
1 stop11h 12mFrontier
Deal found 12/10$255
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:50 pmRDU - DEN
1 stop14h 37mFrontier
Thu 12/1811:59 pmDEN - RDU
1 stop13h 37mFrontier
Deal found 12/11$258
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:50 pmRDU - DEN
1 stop18h 42mFrontier
Sat 12/2011:59 pmDEN - RDU
1 stop14h 52mFrontier
Deal found 12/10$259
This Frontier deal was found by Cheapflights users on 12/11. 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 12/267:36 pmRDU - DEN
Nonstop4h 13mFrontier
Sat 1/106:33 pmDEN - RDU
1 stop11h 20mFrontier
Deal found 12/11$265

Find flight deals from Raleigh to Fort Collins

Keep the following information in mind while searching for Raleigh to Fort Collins flight deals. Data was last updated December 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$135
(Kiwi.com)

One-way from

$95
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$344
Provider with most accurate pricing for Raleigh-Durham-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Denver Intl flights.
Search Deals
From Raleigh-Durham to Fort Collins
Search Deals
One-way flight from Raleigh-Durham to Fort Collins
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh 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 December 12, 2025.
Use the filters below to find and compare flights from Raleigh to Fort Collins that are best for you.

Fly from

Raleigh

Fly to

Fort Collins

Route

Depart

Return

Price

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 1/9

7:36 pm-9:49 pm

Nonstop4h 13m

Denver Intl

Fri 1/16

1:21 pm-6:44 pm

Nonstop3h 23m

$172

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Mon 12/15

7:50 pm-8:27 am

1 stop14h 37m

Denver Intl

Thu 12/18

11:59 pm-3:36 pm

1 stop13h 37m

$258

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 1/8

6:50 am-3:30 pm

2 stops10h 40m

Denver Intl

Mon 1/12

9:50 am-8:40 pm

2 stops8h 50m

$327

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 2/6

7:04 pm-12:38 pm

1 stop19h 34m

Denver Intl

Tue 2/10

11:49 am-6:04 pm

2 stops28h 15m

$330

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 1/29

8:00 am-10:05 am

Nonstop4h 05m

Denver Intl

Sun 2/1

5:30 pm-10:40 pm

Nonstop3h 10m

$332

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Fri 3/6

6:51 pm-10:42 am

2 stops17h 51m

Denver Intl

Mon 3/9

7:52 pm-5:51 pm

1 stop19h 59m

$360

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 1/7

8:03 am-10:13 am

Nonstop4h 10m

Denver Intl

Wed 1/14

11:17 am-6:52 pm

1 stop5h 35m

$367

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Wed 4/8

2:16 pm-11:04 pm

1 stop10h 48m

$97

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Sat 2/14

6:10 am-12:42 am

2 stops20h 32m

$103

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

Thu 2/5

6:14 pm-2:05 pm

2 stops21h 51m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 19 results
1
2

Best time to book a flight from Raleigh to Fort Collins

Have a flexible travel schedule? Discover the best time to fly to Fort Collins from Raleigh 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 Raleigh to Fort Collins

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

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Fort Collins. Price data was last updated on December 5, 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Fort Collins. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Raleigh to Fort Collins (average of $91). Flying from Raleigh to Fort Collins in July is currently the most expensive (average of $175). 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 RDU to FC9?

Find hourly flight availability from Raleigh 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 December 12, 2025.

It’s optimal to fly from Raleigh to Fort Collins in the afternoon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

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

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

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

Weekly flight availability from Raleigh to Fort Collins

Explore weekly flight availability from Raleigh 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 December 12, 2025.

The most flights from RDU to FC9 are scheduled on a Monday (7 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 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 December 12, 2025.
Read through reviews of airlines operating flights from Raleigh to Fort Collins, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,084 reviews
Southwest
7.9
Good
4,253 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

7.9

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Raleigh 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 Raleigh to Fort Collins?

    Raleigh-Durham (RDU), located 11.1 mi from the city center, is the airport you fly out of when you book flights from Raleigh to Fort Collins. 6 airlines have flights from Raleigh-Durham to Fort Collins on a regular basis. Booking flights from Raleigh-Durham to Fort Collins should not be difficult; the airport handles an average of 4 outbound flights to Fort Collins per day.

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

    This flight path from Raleigh-Durham to Fort Collins was viewed by 122 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Departing from Raleigh to Fort Collins will take you 4h 13m. Airlines will cover a distance of 1432 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Raleigh to Fort Collins one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $62. American Airlines flights start at $108 while deals on Southwest start at $108 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Raleigh to Fort Collins on time: United Airlines (91%), Frontier (81%), Southwest (67%).

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

    Looking for the cheapest flight from Raleigh to Fort Collins? While on average our users pay $1,022, our data indicates the cheapest price to be $86. The most popular route (Raleigh-Durham - Denver Intl), is priced around $98.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Raleigh 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 Raleigh to Fort Collins?

    Currently, January is the cheapest month in which you can book a flight from Raleigh to Fort Collins (average of $91). Flying from Raleigh to Fort Collins in July is currently the most expensive (average of $175). 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.

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Top 6 airlines flying from Raleigh to Fort Collins

Discover the top 6 airlines that operate flights from Raleigh 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$316FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$157Average$386FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$202Average$420FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$207Average$312FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$211Average$362FlexibilityNo cancel feeOn-time63%

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