What airlines fly to Colorado?

United Airlines, Lufthansa and British Airways are the top three most popular airlines that fly to Colorado from London Heathrow Airport according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 5 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London Heathrow to Colorado?

JetBlue, Aer Lingus, and Lufthansa are the most popular carriers operating from London Heathrow to Colorado

How many operators does momondo search for flights from London Heathrow Airport to Colorado?

There are 5 operators available for flights from London Heathrow Airport to Colorado as of April 2026.

How old do you have to be to fly from London Heathrow Airport to Colorado?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$590 Cheap Flights from London Heathrow Airport to Colorado in 2026

Q: How many flights depart from London Heathrow Airport to Colorado on average per week?

The number of flights available between London Heathrow Airport and Colorado is 112 per week as of April 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

Q: How many flights depart from London Heathrow Airport to Colorado on average per day?

As of April 2026, there are 16 flights per day flying from London Heathrow Airport to Colorado. The most common time of day flights depart is 11:00AM, with 62% of flights taking off in the afternoon.

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Find the cheapest flights from London Heathrow Airport to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:25 pm - 7:00 pm

LHR

DEN

28h 35m

1 stop

4:40 pm - 11:55 am

DEN

LHR

12h 15m

1 stop

$825Icelandair

Tue, Sep 8 - Tue, Sep 15

6:55 am - 1:45 pm

LHR

DEN

13h 50m

1 stop

8:25 pm - 12:25 pm

DEN

LHR

9h 00mnonstop

$829Lufthansa

Tue, Sep 8 - Tue, Sep 15

7:40 am - 6:15 pm

LHR

DEN

17h 35m

1 stop

8:00 pm - 5:20 pm

DEN

LHR

14h 20m

1 stop

$838Aer Lingus

Mon, Jun 8 - Mon, Jun 15

6:55 am - 1:45 pm

LHR

DEN

13h 50m

1 stop

5:35 pm - 9:40 am

DEN

LHR

9h 05mnonstop

$841Multiple Airlines

Tue, Sep 1 - Tue, Sep 8

8:50 am - 6:15 pm

LHR

DEN

16h 25m

1 stop

8:00 pm - 4:00 pm

DEN

LHR

13h 00m

1 stop

$842Aer Lingus

Wed, Jun 3 - Wed, Jun 10

8:55 am - 4:42 pm

LHR

COS

14h 47m

1 stop

10:12 am - 9:05 am

COS

LHR

15h 53m

1 stop

$1,172British Airways

Tue, Sep 8 - Tue, Sep 22

9:30 am - 6:22 pm

LHR

COS

15h 52m

2 stops

3:25 pm - 9:40 am

COS

LHR

11h 15m

1 stop

$1,265United Airlines

Mon, May 11 - Mon, May 18

9:30 am - 6:22 pm

LHR

COS

15h 52m

2 stops

3:25 pm - 9:40 am

COS

LHR

11h 15m

1 stop

$1,279United Airlines

Mon, May 11 - Mon, May 18

6:05 pm - 8:17 pm

LHR

ASE

57h 12m

2 stops

1:47 pm - 1:55 pm

ASE

LHR

17h 08m

1 stop

$1,391American Airlines

Thu, Jul 2 - Wed, Jul 8

6:05 pm - 8:17 pm

LHR

ASE

57h 12m

2 stops

2:21 pm - 5:50 am

ASE

LHR

32h 29m

2 stops

$1,400American Airlines

Thu, Jul 2 - Wed, Jul 8

Icelandair flights from London Heathrow Airport to Colorado

Our best Icelandair deals on London Heathrow Airport to Colorado flight tickets

Icelandair

Sep 27

LHR9:25 pmLondon Heathrow

28h 35m

1 stop

DEN7:00 pmDenver Intl

Oct 12

DEN4:40 pmDenver Intl

20h 40m

1 stop

LHR8:20 pmLondon Heathrow

$851

Icelandair

May 4

LHR9:25 pmLondon Heathrow

28h 35m

1 stop

DEN7:00 pmDenver Intl

May 13

DEN4:40 pmDenver Intl

20h 40m

1 stop

LHR8:20 pmLondon Heathrow

$854

Icelandair

May 8

LHR1:05 pmLondon Heathrow

12h 55m

1 stop

DEN7:00 pmDenver Intl

May 13

DEN4:40 pmDenver Intl

20h 40m

1 stop

LHR8:20 pmLondon Heathrow

$860

United Airlines flights from London Heathrow Airport to Colorado

Our best United Airlines deals on London Heathrow Airport to Colorado flight tickets

United Airlines

Sep 14

LHR6:55 amLondon Heathrow

13h 50m

1 stop

DEN1:45 pmDenver Intl

Sep 28

DEN8:25 pmDenver Intl

9h 00m

LHR12:25 pmLondon Heathrow

$875

United Airlines

Sep 9

LHR7:30 amLondon Heathrow

13h 05m

1 stop

DEN1:35 pmDenver Intl

Oct 1

DEN8:25 pmDenver Intl

9h 00m

LHR12:25 pmLondon Heathrow

$876

United Airlines

Sep 9

LHR7:30 amLondon Heathrow

13h 05m

1 stop

DEN1:35 pmDenver Intl

Sep 27

DEN11:59 pmDenver Intl

14h 36m

1 stop

LHR9:35 pmLondon Heathrow

$877

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Tue 9/8

9:25 pm-7:00 pm

1 stop28h 35m

Denver Intl

Tue 9/15

4:40 pm-11:55 am

1 stop12h 15m

$825

Quickest round-trip

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Tue 9/8

6:55 am-1:45 pm

1 stop13h 50m

Denver Intl

Tue 9/15

8:25 pm-12:25 pm

Nonstop9h 00m

$829

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 6/8

7:40 am-6:15 pm

1 stop17h 35m

Denver Intl

Mon 6/15

8:00 pm-5:20 pm

1 stop14h 20m

$838

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Tue 9/1

6:55 am-1:45 pm

1 stop13h 50m

Denver Intl

Tue 9/8

5:35 pm-9:40 am

Nonstop9h 05m

$841

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Wed 6/3

8:50 am-6:15 pm

1 stop16h 25m

Denver Intl

Wed 6/10

8:00 pm-4:00 pm

1 stop13h 00m

$842

LondonColorado Springs

LHR - COS

LHRCOS

London Heathrow

Tue 9/8

8:55 am-4:42 pm

1 stop14h 47m

Colorado Springs

Tue 9/22

10:12 am-9:05 am

1 stop15h 53m

$1,172

LondonColorado Springs

LHR - COS

LHRCOS

London Heathrow

Mon 5/11

9:30 am-6:22 pm

2 stops15h 52m

Colorado Springs

Mon 5/18

3:25 pm-9:40 am

1 stop11h 15m

$1,265

LondonColorado Springs

LHR - COS

LHRCOS

London Heathrow

Mon 5/11

9:30 am-6:22 pm

2 stops15h 52m

Colorado Springs

Mon 5/18

3:25 pm-9:40 am

1 stop11h 15m

$1,279

LondonAspen

LHR - ASE

LHRASE

London Heathrow

Thu 7/2

6:05 pm-8:17 pm

2 stops57h 12m

Aspen Pitkin County

Wed 7/8

1:47 pm-1:55 pm

1 stop17h 08m

$1,391

LondonAspen

LHR - ASE

LHRASE

London Heathrow

Thu 7/2

6:05 pm-8:17 pm

2 stops57h 12m

Aspen Pitkin County

Wed 7/8

2:21 pm-5:50 am

2 stops32h 29m

$1,400

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of December is, on average, the cheapest month to fly to Colorado from London Heathrow Airport, with most prices found around $389. The month of February is another great option to travel to Colorado, with average flight prices from London Heathrow Airport averaging around $453.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from London Heathrow Airport to Colorado is on a Wednesday when prices can be found for as low as $822. On the other hand, Tuesday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,116.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is at noon when flights can be purchased for as low as $899. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $980 per ticket.

What is the cheapest London Heathrow to Colorado flight route?

Fly from London Heathrow to Denver Intl for the best London Heathrow - Colorado flight prices

How far in advance should I book a flight from London Heathrow Airport to Colorado?

You are more likely to see cheaper flights to Colorado from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $805 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from London Heathrow Airport for as low as $718 on momondo.

Can stopping save me money on London Heathrow Airport to Colorado flights?

You could potentially save up to 8% on your flight if you consider stops on a London Heathrow Airport to Colorado flight.

Cheap London Heathrow Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Colorado

Best Price Found	$627
Fastest flight time	9h 40m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from London Heathrow Airport in the past 72 hours is $627. The best round-trip flight deal from London Heathrow Airport to Colorado found on momondo in the last 72 hours is $935.

The fastest flight from London Heathrow Airport to Colorado takes 9h 40m

Direct flights go from London Heathrow Airport to Colorado every day.

There are 87 airports in Colorado. From London Heathrow Airport there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Colorado

When did momondo last update prices for flights from London Heathrow Airport to Colorado?
Prices for flights from London Heathrow Airport to Colorado refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Colorado?
There are 5 operators available for flights from London Heathrow Airport to Colorado as of April 2026.
How old do you have to be to fly from London Heathrow Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The required travel and health documents for your Colorado trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colorado. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Colorado is Boeing 787-9 Dreamliner (27.63% of total bookings). The next most popular plane models are Airbus A350-1000 (26.11%), Boeing 787 Dreamliner (25.06%), and Boeing 777 (9.39%).

Best airlines flying from London Heathrow Airport to Colorado

Compare and see reviews for airlines that fly from London Heathrow Airport to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $592	Free Cancellation	Rating 6.8 7,956 reviews	Search Lufthansa flights
Icelandair	PriceFrom $596	Free Cancellation	Rating 7.0 646 reviews	Search Icelandair flights
United Airlines	PriceFrom $598	Free Cancellation	Rating 7.4 9,676 reviews	Search United Airlines flights
American Airlines	PriceFrom $662	Free Cancellation	Rating 7.1 11,679 reviews	Search American Airlines flights
British Airways	PriceFrom $667	Free Cancellation	Rating 6.7 7,931 reviews	Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Colorado?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Colorado. momondo saves you time and could save you money on your trip.

Can I find flights from London to Colorado with flexible booking policies on momondo?

All flight searches from London to Colorado on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Colorado?

Once you have performed a search for London to Colorado flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Colorado right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Colorado from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Popular cities in Colorado

Flights to New Yorkfrom $61

Flights to Los Angelesfrom $50

Flights to Orlandofrom $52

Flights to Miamifrom $53

Flights to Chicagofrom $76

Flights to San Franciscofrom $64

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $55

Flights to Bostonfrom $86

Flights to Atlantafrom $48

Flights to Dallasfrom $70

Flights to Fort Lauderdalefrom $42

Cheap flights from London Heathrow Airport to Colorado from $590

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Icelandair flights from London Heathrow Airport to Colorado

Our best Icelandair deals on London Heathrow Airport to Colorado flight tickets

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Our best United Airlines deals on London Heathrow Airport to Colorado flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Colorado that are best for you.

See travel insights to Colorado from

How to get the cheapest flight ticket from London Heathrow Airport to Colorado

What is the cheapest month to fly to Colorado?

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

What is the cheapest London Heathrow to Colorado flight route?

How far in advance should I book a flight from London Heathrow Airport to Colorado?

Can stopping save me money on London Heathrow Airport to Colorado flights?

What is the cheapest airline that flies from London Heathrow to Colorado?

What airlines fly to Colorado?

How many flights depart from London Heathrow Airport to Colorado on average per day?

How many flights depart from London Heathrow Airport to Colorado on average per week?

Cheap London Heathrow Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Frequently asked questions about flying from London Heathrow Airport to Colorado

Best airlines flying from London Heathrow Airport to Colorado

Compare and see reviews for airlines that fly from London Heathrow Airport to Colorado with momondo

Why use momondo?

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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