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

As of May 2026, 17 flights take off from Colorado and land in London Heathrow Airport each day. The most common flight departure time for this route is 5:00PM, with 60% of daily flights taking off in the evening.

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

United Airlines, JetBlue, and Lufthansa are the most popular carriers operating from Colorado to London Heathrow

What airlines fly to London Heathrow Airport?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to London Heathrow Airport from Colorado according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 11 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Colorado and London Heathrow Airport is 119 per week as of May 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

How long does it take to fly to London Heathrow Airport?

On average, it takes 8h 55m to fly from Colorado to London Heathrow Airport if you fly out of Denver (the most popular airport in Colorado) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Colorado Springs and into London Heathrow Airport, then the flight time is around 10h 53m.

When did momondo last update prices for flights from Colorado to London Heathrow Airport?

Prices for flights from Colorado to London Heathrow Airport are updated daily.

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

The number of operators available for flights from Colorado to London Heathrow Airport is 11 as of May 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow Airport 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 London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$332 Cheap Flights from Colorado to London Heathrow Airport in 2026

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4:40 pm - 11:55 am

DEN

LHR

12h 15m

1 stop

1:05 pm - 7:00 pm

LHR

DEN

12h 55m

1 stop

$831Icelandair

dom, ago 16 - seg, ago 24

3:40 pm - 7:30 pm

DEN

LHR

20h 50m

1 stop

8:35 pm - 6:05 pm

LHR

DEN

28h 30m

1 stop

$832Icelandair

qua, nov 4 - dom, nov 15

4:15 pm - 12:50 pm

DEN

LHR

13h 35m

1 stop

6:55 am - 1:45 pm

LHR

DEN

13h 50m

1 stop

$833Lufthansa

seg, ago 10 - ter, set 8

3:40 pm - 10:50 am

DEN

LHR

12h 10m

1 stop

12:15 pm - 6:05 pm

LHR

DEN

12h 50m

1 stop

$835Icelandair

qua, nov 4 - seg, nov 16

9:40 am - 6:30 am

DEN

LHR

13h 50m

1 stop

7:10 pm - 1:45 pm

LHR

DEN

25h 35m

1 stop

$839Multiple Airlines

ter, set 1 - seg, set 7

9:40 am - 6:30 am

DEN

LHR

13h 50m

1 stop

6:55 am - 1:45 pm

LHR

DEN

13h 50m

1 stop

$842Multiple Airlines

qua, set 2 - qua, set 16

6:40 am - 9:35 am

DEN

LHR

19h 55m

2 stops

7:05 am - 10:45 pm

LHR

DEN

22h 40m

2 stops

$843Scandinavian Airlines

seg, ago 17 - sex, ago 28

9:40 am - 10:00 am

DEN

LHR

17h 20m

1 stop

6:55 am - 2:20 pm

LHR

DEN

14h 25m

1 stop

$844Air Canada

seg, set 21 - sex, out 9

6:07 pm - 6:30 am

GJT

LHR

29h 23m

2 stops

8:25 pm - 8:35 pm

LHR

GJT

31h 10m

2 stops

$865Air Canada

seg, ago 17 - qui, ago 27

2:17 pm - 3:40 pm

ASE

LHR

18h 23m

2 stops

6:55 am - 6:43 pm

LHR

ASE

18h 48m

2 stops

$890Lufthansa

qua, set 9 - qua, set 23

Delta flights from Colorado to London Heathrow Airport

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

Delta

Aug 12

COS11:27 amColorado Springs

18h 48m

2 stops

LHR1:15 pmLondon Heathrow

Aug 26

LHR6:30 amLondon Heathrow

22h 24m

2 stops

COS9:54 pmColorado Springs

$885

Delta

Sep 13

COS6:00 amColorado Springs

21h 20m

2 stops

LHR10:20 amLondon Heathrow

Sep 21

LHR6:30 amLondon Heathrow

21h 45m

2 stops

COS9:15 pmColorado Springs

$995

Delta

May 12

COS8:15 amColorado Springs

19h 45m

1 stop

LHR11:00 amLondon Heathrow

May 19

LHR6:30 amLondon Heathrow

21h 57m

2 stops

COS9:27 pmColorado Springs

$1,072

Lufthansa flights from Colorado to London Heathrow Airport

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

Lufthansa

Aug 10

DEN4:15 pmDenver Intl

13h 35m

1 stop

LHR12:50 pmLondon Heathrow

Sep 8

LHR6:55 amLondon Heathrow

13h 50m

1 stop

DEN1:45 pmDenver Intl

$833

Lufthansa

Sep 8

DEN4:15 pmDenver Intl

13h 35m

1 stop

LHR12:50 pmLondon Heathrow

Sep 17

LHR6:55 amLondon Heathrow

13h 50m

1 stop

DEN1:45 pmDenver Intl

$848

Lufthansa

Sep 8

DEN4:15 pmDenver Intl

16h 25m

1 stop

LHR3:40 pmLondon Heathrow

Sep 17

LHR6:55 amLondon Heathrow

13h 50m

1 stop

DEN1:45 pmDenver Intl

$849

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

DenverLondon

DEN - LHR

DENLHR

Denver Intl

dom 8/16

4:40 pm-11:55 am

1 stop12h 15m

London Heathrow

seg 8/24

1:05 pm-7:00 pm

1 stop12h 55m

$831

DenverLondon

DEN - LHR

DENLHR

Denver Intl

qua 11/4

3:40 pm-7:30 pm

1 stop20h 50m

London Heathrow

dom 11/15

8:35 pm-6:05 pm

1 stop28h 30m

$832

DenverLondon

DEN - LHR

DENLHR

Denver Intl

seg 8/10

4:15 pm-12:50 pm

1 stop13h 35m

London Heathrow

ter 9/8

6:55 am-1:45 pm

1 stop13h 50m

$833

Quickest round-trip

DenverLondon

DEN - LHR

DENLHR

Denver Intl

qua 11/4

3:40 pm-10:50 am

1 stop12h 10m

London Heathrow

seg 11/16

12:15 pm-6:05 pm

1 stop12h 50m

$835

DenverLondon

DEN - LHR

DENLHR

Denver Intl

ter 9/1

9:40 am-6:30 am

1 stop13h 50m

London Heathrow

seg 9/7

7:10 pm-1:45 pm

1 stop25h 35m

$839

DenverLondon

DEN - LHR

DENLHR

Denver Intl

qua 9/2

9:40 am-6:30 am

1 stop13h 50m

London Heathrow

qua 9/16

6:55 am-1:45 pm

1 stop13h 50m

$842

DenverLondon

DEN - LHR

DENLHR

Denver Intl

seg 8/17

6:40 am-9:35 am

2 stops19h 55m

London Heathrow

sex 8/28

7:05 am-10:45 pm

2 stops22h 40m

$843

DenverLondon

DEN - LHR

DENLHR

Denver Intl

seg 9/21

9:40 am-10:00 am

1 stop17h 20m

London Heathrow

sex 10/9

6:55 am-2:20 pm

1 stop14h 25m

$844

Grand JunctionLondon

GJT - LHR

GJTLHR

Grand Junction Regnl

seg 8/17

6:07 pm-6:30 am

2 stops29h 23m

London Heathrow

qui 8/27

8:25 pm-8:35 pm

2 stops31h 10m

$865

AspenLondon

ASE - LHR

ASELHR

Aspen Pitkin County

qua 9/9

2:17 pm-3:40 pm

2 stops18h 23m

London Heathrow

qua 9/23

6:55 am-6:43 pm

2 stops18h 48m

$890

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 Colorado to London Heathrow Airport

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

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Other information

What is the cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Colorado, with most prices found around $101. If you’re not able to fly to London Heathrow Airport in January, then September is your next best option. Flight prices from Colorado to London Heathrow Airport during September average around $442.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $772. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $855.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Colorado to London Heathrow Airport in the afternoon for as low as $807. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $881.

What is the cheapest Colorado to London Heathrow flight route?

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

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

You are more likely to see cheaper flights to London Heathrow Airport from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $820 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Colorado for as low as $706 on momondo.

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

You could potentially save up to 42% on your flight if you consider stops on a Colorado to London Heathrow Airport flight.

Cheap Colorado to London Heathrow Airport flight deals and tips

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

Best Price Found	$503
Fastest flight time	8h 55m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Colorado in the past 72 hours is $503. The best round-trip flight deal from Colorado to London Heathrow Airport found on momondo in the last 72 hours is $976.

The fastest flight from Colorado to London Heathrow Airport takes 8h 55m

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

Search flight deals

Frequently asked questions about flying from Colorado to London Heathrow Airport

When did momondo last update prices for flights from Colorado to London Heathrow Airport?
Prices for flights from Colorado to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Colorado to London Heathrow Airport?
The number of operators available for flights from Colorado to London Heathrow Airport is 11 as of May 2026.
How old do you have to be to fly from Colorado to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport 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 London Heathrow Airport. 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 Colorado to London Heathrow Airport?
Based on momondo bookings for flights between Colorado and London Heathrow Airport, the leading plane model is Airbus A350-1000, making up 36.84% of the total bookings. Other popular models include Boeing 787 Dreamliner with 30.96%, Boeing 787-9 Dreamliner with 24.48%, and Boeing 777 with 6.63%.

Best airlines flying from Colorado to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $462	Free Cancellation	Rating 7.0 652 reviews	Search Icelandair flights
Delta	PriceFrom $528	Free Cancellation	Rating 7.9 8,451 reviews	Search Delta flights
British Airways	PriceFrom $534	Free Cancellation	Rating 6.7 7,969 reviews	Search British Airways flights
American Airlines	PriceFrom $551	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
Virgin Atlantic	PriceFrom $559	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $568	Free Cancellation	Rating 7.4 9,699 reviews	Search United Airlines flights
Aer Lingus	PriceFrom $568	Free Cancellation	Rating 7.3 1,551 reviews	Search Aer Lingus flights
Iberia	PriceFrom $598	Free Cancellation	Rating 7.0 3,214 reviews	Search Iberia flights
Finnair	PriceFrom $623	Free Cancellation	Rating 7.6 1,393 reviews	Search Finnair flights
Lufthansa	PriceFrom $661	Free Cancellation	Rating 6.8 7,988 reviews	Search Lufthansa flights

Hounslow

Gatwick

Milton Keynes

Dover

Luton

Hayes

Stratford-upon-Avon

Crawley

Wembley

Slough

Stansted

Watford

Croydon

Brentwood

Dartford

Cobham

Folkestone

Romford

Harrow

Uxbridge

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Colorado to London for you.

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

Yes. momondo enables you to select and highlight flights to London from Colorado with this policy.

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

momondo helps you find the best flight between Colorado and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Colorado and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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Flights to London Gatwick Airportfrom $448

Flights to London Stansted Airportfrom $515

Flights to London City Airportfrom $660

Flights to London Luton Airportfrom $503

Flights to Glasgow Intl Airportfrom $560

Flights to Belfast Intl Airportfrom $688

Flights to London Southend Airportfrom $641

Flights to Belfast City Airportfrom $688

Cheap flights from Colorado to London from $332

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to London departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Colorado to London Heathrow Airport

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

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See travel insights to London from

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

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Colorado to London Heathrow flight route?

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

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

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

What airlines fly to London Heathrow Airport?

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

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

How long does it take to fly to London Heathrow Airport?

Cheap Colorado to London Heathrow Airport flight deals and tips

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

Best Price Found

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Frequently asked questions about flying from Colorado to London Heathrow Airport

Best airlines flying from Colorado to London Heathrow Airport

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

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Why use momondo?

An easier way to manage your London Heathrow Airport 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.

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