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£430+ 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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
19 May — 26 May1
1 adult
1 adult, Economy, 0 bags

Flights to Fort Collins in 2026

Enter your travel dates to find the best prices.

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 19 April 2026.

Sun 10/509:30
LHR
-
DEN
1 stop16h 30m
Air Canada
Sun 21/611:30
DEN
-
LHR
1 stop14h 05m
Air Canada
Deal found 18/4£606
Wed 26/812:20
LGW
-
DEN
1 stop17h 22m
JetBlue
Tue 1/910:24
DEN
-
LGW
1 stop16h 11m
JetBlue
Deal found 17/4£607
Tue 26/514:00
LGW
-
DEN
1 stop16h 11m
Multiple Airlines
Sat 7/1115:40
DEN
-
LGW
2 stops18h 50m
Multiple Airlines
Deal found 17/4£608
Sun 19/421:25
LHR
-
DEN
1 stop28h 35m
Icelandair
Tue 5/516:40
DEN
-
LHR
1 stop12h 15m
Icelandair
Deal found 14/4£608
Tue 2/619:45
LHR
-
DEN
2 stops23h 55m
Multiple Airlines
Mon 8/620:10
DEN
-
LHR
2 stops18h 15m
Multiple Airlines
Deal found 15/4£609
Sun 10/513:35
LHR
-
DEN
Nonstop9h 45m
British Airways
Mon 22/618:35
DEN
-
LHR
Nonstop9h 00m
British Airways
Deal found 18/4£609
Sat 6/614:00
LGW
-
DEN
2 stops41h 31m
Multiple Airlines
Wed 15/709:15
DEN
-
LGW
1 stop17h 45m
Multiple Airlines
Deal found 18/4£610
Wed 2/913:05
LHR
-
DEN
1 stop12h 55m
Icelandair
Wed 9/920:10
DEN
-
LHR
1 stop17h 10m
Icelandair
Deal found 14/4£610
Sat 2/515:20
LHR
-
DEN
1 stop33h 45m
Brussels Airlines
Mon 18/520:20
DEN
-
LHR
Nonstop9h 05m
Brussels Airlines
Deal found 14/4£611
Thu 4/610:20
LGW
-
DEN
1 stop21h 18m
Multiple Airlines
Sun 14/607:00
DEN
-
LGW
1 stop20h 55m
Multiple Airlines
Deal found 16/4£612
Mon 24/813:05
LHR
-
DEN
1 stop12h 55m
Icelandair
Mon 31/816:40
DEN
-
LHR
1 stop12h 15m
Icelandair
Deal found 17/4£612
Thu 7/513:00
LGW
-
DEN
1 stop13h 00m
Icelandair
Sat 20/616:40
DEN
-
LGW
1 stop12h 05m
Icelandair
Deal found 18/4£613

Find flight deals to Fort Collins

Find the latest flights to Fort Collins in 2026, 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 19 April 2026.

Return from

£606

One-way from

£430

Popular in

December

Cheapest in

September

Average price

£580
Air Canada
  • Air Canada
  • 10/5-21/6
  • 2 total stops
  • 30h 35m total
  • London to Denver
Search Deals
24/4
  • 24/4
  • 3 total stops
  • 49h 21m total
  • London to Fort Collins
Search Deals
Highest demand for flights based on searches. 0% potential increase in 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 April 2026
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 19 April 2026.
Use the filters below to find and compare flights to Fort Collins that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonDenver

LTN - DEN

LTNDEN

London Luton

Mon 1/6

19:40-19:00

2 stops30h 20m

Denver Intl

Mon 8/6

20:10-22:15

2 stops19h 05m

£627

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Thu 14/5

07:25-14:20

1 stop13h 55m

Denver Intl

Tue 19/5

11:30-08:35

1 stop14h 05m

£681

LondonDenver

LGW - DEN

LGWDEN

London Gatwick

Tue 29/9

10:35-22:49

2 stops19h 14m

Denver Intl

Mon 5/10

17:40-16:00

1 stop15h 20m

£699

LondonDenver

LTN - DEN

LTNDEN

London Luton

Thu 4/6

09:15-11:20

2 stops33h 05m

Denver Intl

Sun 7/6

20:10-22:20

2 stops19h 10m

£714

LondonDenver

LTN - DEN

LTNDEN

London Luton

Wed 16/9

06:15-19:00

1 stop19h 45m

Denver Intl

Mon 21/9

16:40-22:05

2 stops22h 25m

£722

LondonDenver

LTN - DEN

LTNDEN

London Luton

Sun 27/9

06:25-19:00

1 stop19h 35m

Denver Intl

Mon 12/10

16:40-17:10

2 stops17h 30m

£733

LondonDenver

LTN - DEN

LTNDEN

London Luton

Sun 21/6

08:30-11:20

2 stops33h 50m

Denver Intl

Sun 30/8

20:00-12:45

1 stop33h 45m

£734
Fastest return journey

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Fri 1/5

09:30-16:39

1 stop14h 09m

Denver Intl

Thu 14/5

16:45-11:55

1 stop12h 10m

£737

LondonDenver

LTN - DEN

LTNDEN

London Luton

Sun 3/5

11:00-18:15

1 stop14h 15m

Denver Intl

Mon 11/5

20:00-15:45

1 stop12h 45m

£737

LondonDenver

LCY - DEN

LCYDEN

London City

Wed 2/9

09:15-21:39

2 stops19h 24m

Denver Intl

Wed 30/9

13:25-12:35

2 stops16h 10m

£742

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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 10 April 2026.

To ensure you get the cheapest price possible for a flight to Fort Collins, you should look to book at least 51 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 17 hours 45 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.

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 most popular airlines that fly to Fort Collins?

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

British Airways
British Airways
From £383
Lufthansa
Lufthansa
From £397
Icelandair
Icelandair
From £362
United Airlines
United Airlines
From £338

What are the cheapest airlines that fly to Fort Collins?

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

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 19 April 2026.
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
903 reviews
Check prices

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
903 reviews
Austrian Airlines
7.6
Good
903 reviews
Check prices

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,605 reviews
Austrian Airlines
7.6
Good
903 reviews
Check prices

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Icelandair
7.0
Good
636 reviews
Austrian Airlines
7.6
Good
903 reviews
Check prices

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
7,930 reviews
Austrian Airlines
7.6
Good
903 reviews
Check prices

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
7,895 reviews
Austrian Airlines
7.6
Good
903 reviews
Check prices

Boarding

7.6

Food

6.8

Overall

7.6

Entertainment

6.8

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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, Air Canada 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 £367, however they can be found for as little as £60.

  • 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 40 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.

Can Cheapflights find flights to Fort Collins with no change fees?

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?

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