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£373+ Cheap flights to Fort Collins

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights to Fort Collins
Explore the most affordable flight options available to Fort Collins. Find the lowest fares based on data from user searches, with prices last updated on 31 October 2025.

Thu 13/1114:00LGW - DEN
2 stops24h 11mMultiple Airlines
Fri 5/1223:59DEN - LGW
1 stop27h 06mMultiple Airlines
Deal found 30/10£434
Mon 10/1111:55LGW - DEN
1 stop13h 10mIcelandair
Mon 17/1115:40DEN - LGW
1 stop12h 15mIcelandair
Deal found 30/10£442
Thu 13/1114:00LGW - DEN
2 stops24h 11mMultiple Airlines
Mon 17/1109:09DEN - LGW
1 stop13h 51mMultiple Airlines
Deal found 29/10£443
Fri 5/1214:00LGW - DEN
1 stop16h 04mMultiple Airlines
Mon 8/1207:05DEN - LGW
2 stops19h 55mMultiple Airlines
Deal found 30/10£445
Wed 10/1212:15LHR - DEN
1 stop12h 50mIcelandair
Tue 10/316:40DEN - LHR
1 stop20h 50mIcelandair
Deal found 30/10£445
Mon 10/1112:15LHR - DEN
1 stop12h 50mIcelandair
Mon 17/1115:40DEN - LHR
1 stop20h 50mIcelandair
Deal found 30/10£447
Mon 10/1111:55LGW - DEN
1 stop13h 10mIcelandair
Tue 18/1115:40DEN - LGW
1 stop12h 15mIcelandair
Deal found 29/10£450
Tue 4/1120:35LHR - DEN
1 stop28h 30mIcelandair
Tue 25/1115:40DEN - LHR
1 stop12h 10mIcelandair
Deal found 29/10£450
Mon 17/1120:35LHR - DEN
1 stop28h 30mIcelandair
Mon 1/1215:40DEN - LHR
1 stop20h 50mIcelandair
Deal found 29/10£452
Mon 10/1112:15LHR - DEN
1 stop12h 50mIcelandair
Tue 18/1115:40DEN - LHR
1 stop20h 50mIcelandair
Deal found 29/10£453
Mon 8/1211:55LGW - DEN
1 stop13h 10mIcelandair
Thu 11/1215:40DEN - LGW
1 stop12h 15mIcelandair
Deal found 30/10£455
Thu 4/1214:00LGW - DEN
2 stops30h 46mMultiple Airlines
Sun 7/1223:59DEN - LGW
1 stop27h 01mMultiple Airlines
Deal found 30/10£459

Flights to Fort Collins in 2025

Find the latest flights to Fort Collins in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 31 October 2025.

Return from

£428

One-way from

£373

Popular in

July

Cheapest in

September

Average price

£590
23/1-27/1
  • 23/1-27/1
  • 3 total stops
  • 38h 05m total
  • London to Denver
Search Deals
2/12
  • 2/12
  • 2 total stops
  • 49h 57m total
  • London to Fort Collins
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£74 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for return flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to Fort Collins that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 31 October 2025.
Use the filters below to find and compare flights to Fort Collins that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Thu 4/12

12:15-18:05

1 stop12h 50m

Denver Intl

Tue 16/12

15:40-10:50

1 stop12h 10m

£500

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Fri 5/12

20:35-18:05

1 stop28h 30m

Denver Intl

Tue 16/12

15:40-19:30

1 stop20h 50m

£502

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Fri 5/12

20:35-18:05

1 stop28h 30m

Denver Intl

Mon 15/12

15:40-19:30

1 stop20h 50m

£502

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Wed 21/1

07:25-10:45

1 stop34h 20m

Denver Intl

Sun 25/1

23:20-09:30

1 stop27h 10m

£502

LondonDenver

LTN - DEN

LTNDEN

London Luton

Thu 13/11

06:00-18:05

1 stop19h 05m

Denver Intl

Mon 17/11

15:40-14:00

1 stop15h 20m

£508

LondonDenver

LGW - DEN

LGWDEN

London Gatwick

Tue 20/1

11:55-18:05

1 stop13h 10m

Denver Intl

Fri 30/1

15:40-10:55

1 stop12h 15m

£519

LondonDenver

LGW - DEN

LGWDEN

London Gatwick

Thu 22/1

11:55-18:05

1 stop13h 10m

Denver Intl

Mon 26/1

15:40-10:55

1 stop12h 15m

£519

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 19/1

07:40-14:35

1 stop13h 55m

Denver Intl

Mon 26/1

17:35-09:40

Nonstop9h 05m

£529

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Tue 20/1

06:35-14:35

1 stop15h 00m

Denver Intl

Tue 27/1

11:15-06:40

1 stop12h 25m

£529

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Tue 10/3

06:35-19:55

1 stop19h 20m

Denver Intl

Tue 24/3

18:35-09:40

Nonstop9h 05m

£531

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 60 results
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Best time to book a flight to Fort Collins

Have a flexible travel schedule? Discover the best time to fly to Fort Collins with our price prediction graph.
Estimated return 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 to Fort Collins

When is the best time to book a flight to Fort Collins?

Use this chart to determine the optimal time to book a return flight from London to Fort Collins. Price data was last updated on 24 October 2025.

To ensure you get the cheapest price possible for a flight to Fort Collins, you should look to book at least 57 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.

How long is the flight to Fort Collins?

On average, a flight from London to Fort Collins takes 14 hours 40 minutes. Flights to Fort Collins from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Fort Collins?

Use this chart to determine the cheapest time to fly return from London to Fort Collins. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Fort Collins should consider flying on Thursday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Wednesday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to Fort Collins?

The most popular airlines flying from London to Fort Collins are British Airways, Lufthansa and Icelandair.

British Airways
British Airways
From £440
Lufthansa
Lufthansa
From £411
Icelandair
Icelandair
From £367
United Airlines
United Airlines
From £345

What are the cheapest airlines that fly to Fort Collins?

The cheapest airlines flying from London to Fort Collins are Icelandair, Air Canada and Aer Lingus.

Rainfall in Fort Collins by month

Plan your trip to Fort Collins by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Fort Collins ranges from 13.0 - 58.0 inches per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Fort Collins when rainfall is around 13.0 mm.

Temperature in Fort Collins by month

Plan your trip to Fort Collins by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Fort Collins, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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 31 October 2025.
See what other customers who have flown with Austrian Airlines, United Airlines, andIcelandair to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
862 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
862 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
United Airlines
7.4
Good
8,998 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Icelandair
7.1
Good
562 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,541 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,487 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

FAQs about flying to Fort Collins

  • Can I find cheaper flights to Fort Collins if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Fort Collins on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Fort Collins?

    Based on reviews from Cheapflights users, Delta is rated the highest out of the airlines that fly to Fort Collins.

  • How much is a return flight to Fort Collins?

    A return flight to Fort Collins will typically cost around £174, however they can be found for as little as £90.

  • Where does the fastest flight to Fort Collins depart from?

    For those looking to save time traveling to Fort Collins, London offers the quickest one-way flight (9 hours 50 minutes).

  • Does Denver Intl have car hire?

    Yes. Those touching down at Denver Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Denver Intl?

    Yes. Denver Intl has hotels nearby for those requiring accommodations. The Westin Denver International Airport is the closest property to Denver Intl (0.0 mi away from Denver Intl).

See more FAQs

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Millions of users choose and trust Cheapflights to book the best flight deals to Fort Collins for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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Certainly. Search results for flights to Fort Collins shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights to Fort Collins become cheaper?

Yes, Cheapflights offers price alerts on Fort Collins flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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