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 44% 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?

SWISS, United Airlines, and Austrian Airlines 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 June 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.

$592 Cheap Flights from London Heathrow Airport to Colorado in 2026

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

As of June 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.

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 June 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

Discover deals from 900+ travel sites with momondo.

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.

6:55 am - 1:45 pm

LHR

DEN

13h 50m

1 stop

10:20 am - 6:55 am

DEN

LHR

13h 35m

1 stop

$937Lufthansa

Mon, Jul 13 - Tue, Jul 28

2:50 pm - 5:35 pm

LHR

DEN

9h 45mnonstop

5:35 pm - 9:40 am

DEN

LHR

9h 05mnonstop

$938Multiple Airlines

Mon, Jul 13 - Sun, Jul 26

9:30 am - 6:55 pm

LHR

DEN

16h 25m

1 stop

9:40 am - 8:35 am

DEN

LHR

15h 55m

2 stops

$939Air Canada

Wed, Jul 1 - Sun, Jul 12

9:30 am - 8:22 pm

LHR

DEN

17h 52m

2 stops

11:30 am - 10:00 am

DEN

LHR

15h 30m

2 stops

$941Air Canada

Sat, Jul 4 - Wed, Jul 8

2:25 pm - 9:32 pm

LHR

DEN

14h 07m

1 stop

12:34 pm - 8:05 am

DEN

LHR

12h 31m

1 stop

$942Iberia

Tue, Jul 14 - Tue, Jul 28

9:15 am - 10:57 pm

LHR

DEN

20h 42m

1 stop

8:00 pm - 5:20 pm

DEN

LHR

14h 20m

1 stop

$944British Airways

Sun, Jul 5 - Fri, Jul 17

2:25 pm - 9:32 pm

LHR

DEN

14h 07m

1 stop

12:39 pm - 9:00 am

DEN

LHR

13h 21m

1 stop

$945Iberia

Tue, Jul 14 - Thu, Jul 30

9:15 am - 7:45 pm

LHR

DEN

17h 30m

1 stop

2:19 pm - 10:30 am

DEN

LHR

13h 11m

1 stop

$946British Airways

Sun, Jul 5 - Sat, Jul 18

1:40 pm - 9:42 pm

LHR

COS

15h 02m

1 stop

10:27 am - 9:40 am

COS

LHR

16h 13m

1 stop

$1,223United Airlines

Tue, Sep 29 - Sat, Oct 3

2:50 pm - 8:09 pm

LHR

COS

12h 19m

1 stop

9:23 am - 7:15 am

COS

LHR

14h 52m

2 stops

$1,226United Airlines

Tue, Sep 29 - Sat, Oct 3

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from London Heathrow Airport to Colorado

Our best Air Canada deals on London Heathrow Airport to Colorado flight tickets

Air Canada

Jun 26

LHR9:30 amLondon Heathrow

19h 13m

2 stops

DEN9:43 pmDenver Intl

Jul 9

DEN9:40 amDenver Intl

15h 55m

2 stops

LHR8:35 amLondon Heathrow

$938

Air Canada

Jul 1

LHR9:30 amLondon Heathrow

16h 25m

1 stop

DEN6:55 pmDenver Intl

Jul 12

DEN9:40 amDenver Intl

15h 55m

2 stops

LHR8:35 amLondon Heathrow

$939

Air Canada

Jul 4

LHR9:30 amLondon Heathrow

17h 52m

2 stops

DEN8:22 pmDenver Intl

Jul 8

DEN11:30 amDenver Intl

15h 30m

2 stops

LHR10:00 amLondon Heathrow

$941

SWISS flights from London Heathrow Airport to Colorado

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

SWISS

Jul 8

LHR6:00 amLondon Heathrow

17h 31m

2 stops

DEN4:31 pmDenver Intl

Oct 12

DEN8:25 pmDenver Intl

18h 20m

2 stops

LHR9:45 pmLondon Heathrow

$960

SWISS

Jun 24

LHR8:40 amLondon Heathrow

19h 31m

2 stops

DEN9:11 pmDenver Intl

Jul 1

DEN4:15 pmDenver Intl

19h 25m

2 stops

LHR6:40 pmLondon Heathrow

$1,019

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

Mon 7/13

6:55 am-1:45 pm

1 stop13h 50m

Denver Intl

Tue 7/28

10:20 am-6:55 am

1 stop13h 35m

$937

Quickest round-trip

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 7/13

2:50 pm-5:35 pm

Nonstop9h 45m

Denver Intl

Sun 7/26

5:35 pm-9:40 am

Nonstop9h 05m

$938

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Wed 7/1

9:30 am-6:55 pm

1 stop16h 25m

Denver Intl

Sun 7/12

9:40 am-8:35 am

2 stops15h 55m

$939

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sat 7/4

9:30 am-8:22 pm

2 stops17h 52m

Denver Intl

Wed 7/8

11:30 am-10:00 am

2 stops15h 30m

$941

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Tue 7/14

2:25 pm-9:32 pm

1 stop14h 07m

Denver Intl

Tue 7/28

12:34 pm-8:05 am

1 stop12h 31m

$942

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sun 7/5

9:15 am-10:57 pm

1 stop20h 42m

Denver Intl

Fri 7/17

8:00 pm-5:20 pm

1 stop14h 20m

$944

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Tue 7/14

2:25 pm-9:32 pm

1 stop14h 07m

Denver Intl

Thu 7/30

12:39 pm-9:00 am

1 stop13h 21m

$945

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sun 7/5

9:15 am-7:45 pm

1 stop17h 30m

Denver Intl

Sat 7/18

2:19 pm-10:30 am

1 stop13h 11m

$946

LondonColorado Springs

LHR - COS

LHRCOS

London Heathrow

Tue 9/29

1:40 pm-9:42 pm

1 stop15h 02m

Colorado Springs

Sat 10/3

10:27 am-9:40 am

1 stop16h 13m

$1,223

LondonColorado Springs

LHR - COS

LHRCOS

London Heathrow

Tue 9/29

2:50 pm-8:09 pm

1 stop12h 19m

Colorado Springs

Sat 10/3

9:23 am-7:15 am

2 stops14h 52m

$1,226

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 August is, on average, the cheapest month to fly to Colorado from London Heathrow Airport, with most prices found around $330. The month of December is another great option to travel to Colorado, with average flight prices from London Heathrow Airport averaging around $389.

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 $1,058.

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 $920. In the morning is when there is more demand to fly to Colorado, so prices are often more expensive at around $1,008 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 $837 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 $699 on momondo.

What cabin class options are available on London Heathrow Airport to Colorado flights?

There are 3 cabin classes available to choose from on London Heathrow Airport to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Colorado.

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	$772
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 $772. The best round-trip flight deal from London Heathrow Airport to Colorado found on momondo in the last 72 hours is $960.

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 June 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 (40.66% of total bookings). The next most popular plane models are Airbus A350-1000 (30.22%), Boeing 787 Dreamliner (10.16%), and Boeing 777 (4.19%).

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 8,057 reviews	Search Lufthansa flights
Icelandair	PriceFrom $596	Free Cancellation	Rating 7.0 674 reviews	Search Icelandair flights
United Airlines	PriceFrom $598	Free Cancellation	Rating 7.4 9,820 reviews	Search United Airlines flights
American Airlines	PriceFrom $662	Free Cancellation	Rating 7.1 11,651 reviews	Search American Airlines flights
British Airways	PriceFrom $667	Free Cancellation	Rating 6.7 8,047 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 7/14

Tue 7/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Colorado

Popular cities

Other flights from London Heathrow Airport

Other flights to Colorado

Airlines

Complete your trip

Feeling lucky

Popular cities in Colorado

Flights to New Yorkfrom $52

Flights to Los Angelesfrom $69

Flights to Miamifrom $76

Flights to Orlandofrom $55

Flights to Chicagofrom $60

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $56

Flights to Bostonfrom $83

Flights to Atlantafrom $61

Flights to Dallasfrom $73

Flights to Fort Lauderdalefrom $56

Cheap flights from London Heathrow Airport to Colorado from $606

Find the cheapest flights from London Heathrow Airport to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Air Canada flights from London Heathrow Airport to Colorado

Our best Air Canada deals on London Heathrow Airport to Colorado flight tickets

SWISS flights from London Heathrow Airport to Colorado

Our best SWISS 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?

What cabin class options are available on London Heathrow Airport to Colorado flights?

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

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Colorado flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Colorado

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Colorado

Explore popular destinations other users love

According to popular flight searches on momondo this year