£423+ Cheap flights to Fort Collins

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
18 ott — 25 ott1
1 adult
1 adult, Economy

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 18 settembre 2025.

Return from

£423

One-way from

£424

Popular in

July

Cheapest in

September

Average price

£482
Air Canada
  • Air Canada
  • 10/11-23/11
  • 4 total stops
  • 35h 00m total
  • London to Denver
23/10
  • 23/10
  • 2 total stops
  • 49h 25m total
  • London to Fort Collins
Highest demand for flights based on searches. 11% potential increase in price (£55 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for return flights in September 2025

Find flight deals to Fort Collins

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 18 settembre 2025.

gio 25/907:25LHR - DEN
1 stop13h 20mMultiple Airlines
mer 8/1011:15DEN - LHR
1 stop12h 15mMultiple Airlines
Deal found 17/9£423
sab 27/912:05LHR - DEN
2 stops27h 49mUnited Airlines
lun 29/905:00DEN - LHR
1 stop23h 35mUnited Airlines
Deal found 17/9£424
sab 27/911:25LHR - DEN
Nonstop9h 45mBrussels Airlines
lun 29/917:35DEN - LHR
Nonstop9h 05mBrussels Airlines
Deal found 18/9£424
sab 15/1106:00LHR - DEN
2 stops19h 05mAir Canada
dom 23/1111:15DEN - LHR
1 stop12h 55mAir Canada
Deal found 17/9£425
mar 30/909:00LHR - DEN
1 stop13h 30mVirgin Atlantic
mer 15/1014:57DEN - LHR
1 stop15h 33mVirgin Atlantic
Deal found 16/9£426
mer 24/909:30LHR - DEN
2 stops17h 08mMultiple Airlines
mer 1/1011:30DEN - LHR
1 stop26h 10mMultiple Airlines
Deal found 16/9£426
gio 9/1009:00LHR - DEN
1 stop16h 40mUnited Airlines
dom 12/1017:36DEN - LHR
2 stops44h 24mUnited Airlines
Deal found 17/9£427
mer 1/1007:45LHR - DEN
2 stops17h 02mUnited Airlines
mer 8/1008:00DEN - LHR
1 stop16h 25mUnited Airlines
Deal found 16/9£428
mer 1/1012:20LGW - DEN
2 stops27h 36mAmerican Airlines
mer 8/1007:21DEN - LGW
2 stops18h 14mAmerican Airlines
Deal found 16/9£429
lun 27/1016:40LHR - DEN
1 stop33h 15mUnited Airlines
lun 10/1111:15DEN - LHR
1 stop12h 55mUnited Airlines
Deal found 18/9£429
gio 18/912:10LGW - DEN
2 stops53h 30mIcelandair
mar 23/911:25DEN - LGW
2 stops39h 10mIcelandair
Deal found 17/9£431
lun 10/1112:25LHR - DEN
Nonstop10h 05mBritish Airways
mar 18/1112:10DEN - LHR
1 stop12h 40mBritish Airways
Deal found 16/9£431

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 18 settembre 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

gio 13/11

07:30-13:40

1 stop13h 10m

Denver Intl

lun 17/11

11:15-07:10

1 stop12h 55m

£424

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

lun 10/11

06:15-22:19

2 stops23h 04m

Denver Intl

lun 24/11

12:12-07:50

1 stop12h 38m

£437

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

mer 8/10

11:25-14:10

Nonstop9h 45m

Denver Intl

mer 22/10

17:35-09:40

Nonstop9h 05m

£443

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

mar 11/11

06:05-22:22

2 stops23h 17m

Denver Intl

mer 26/11

17:25-09:35

Nonstop9h 10m

£443

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

sab 15/11

11:35-14:25

Nonstop9h 50m

Denver Intl

dom 23/11

11:15-07:10

1 stop12h 55m

£444

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

ven 31/10

11:35-15:30

Nonstop9h 55m

Denver Intl

ven 7/11

17:35-09:40

Nonstop9h 05m

£445

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

mer 3/12

11:35-14:25

Nonstop9h 50m

Denver Intl

dom 7/12

17:35-09:40

Nonstop9h 05m

£445

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

mar 11/11

07:30-20:17

2 stops19h 47m

Denver Intl

lun 24/11

10:26-17:15

2 stops23h 49m

£446

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

lun 29/9

11:25-14:10

Nonstop9h 45m

Denver Intl

lun 13/10

17:35-09:40

Nonstop9h 05m

£446

LondonDenver

LCY - DEN

LCYDEN

London City

gio 4/12

09:40-16:00

1 stop13h 20m

Denver Intl

lun 8/12

15:55-17:40

1 stop18h 45m

£447

Flights are sorted by cheapest return flights first.

Deals found on 18/9

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 12 September 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 13 hours 57 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.

Weekly flight availability to Fort Collins

The most flights from London to Fort Collins are scheduled on a Monday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

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 18 settembre 2025.
See what other customers who have flown with United Airlines, Icelandair, andIberia 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.

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sept 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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, Icelandair 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 £234, however they can be found for as little as £118.

  • 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 45 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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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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