S$777 Cheap Flights from London to Denver

View S$777 flight on Tue, 3 Jun, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Denver Intl. Airport (DEN)

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Cheap Flights from London to Denver (LHR-DEN)

Prices were available within the past 7 days and start at S$777 for one-way flights and S$1,034 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 11 Jun - Mon, 16 Jun
LHR
London
DEN
Denver
S$1,034 Return, found 6 days ago
S$1,034
Return
found 6 days ago
Select United flight, departing Wed, 11 Jun from London to Denver, returning Mon, 16 Jun, priced at S$1,034 found 6 days ago
Austrian Airlines
Sun, 13 Jul - Sun, 20 Jul
LHR
London
DEN
Denver
S$1,081 Return, found 4 days ago
S$1,081
Return
found 4 days ago
Select Austrian Airlines flight, departing Sun, 13 Jul from London to Denver, returning Sun, 20 Jul, priced at S$1,081 found 4 days ago
Austrian Airlines
Sun, 13 Jul - Sun, 20 Jul
LHR
London
DEN
Denver
S$1,090 Return, found 4 days ago
S$1,090
Return
found 4 days ago
Select Austrian Airlines flight, departing Sun, 13 Jul from London to Denver, returning Sun, 20 Jul, priced at S$1,090 found 4 days ago
Austrian Airlines
Sun, 13 Jul - Sun, 20 Jul
LHR
London
DEN
Denver
S$1,106 Return, found 4 days ago
S$1,106
Return
found 4 days ago
Select Austrian Airlines flight, departing Sun, 13 Jul from London to Denver, returning Sun, 20 Jul, priced at S$1,106 found 4 days ago
Lufthansa
Sun, 13 Jul - Sun, 20 Jul
LHR
London
DEN
Denver
S$1,124 Return, found 4 days ago
S$1,124
Return
found 4 days ago
Select Lufthansa flight, departing Sun, 13 Jul from London to Denver, returning Sun, 20 Jul, priced at S$1,124 found 4 days ago
Lufthansa
Sun, 13 Jul - Sun, 20 Jul
LHR
London
DEN
Denver
S$1,132 Return, found 4 days ago
S$1,132
Return
found 4 days ago
Select Lufthansa flight, departing Sun, 13 Jul from London to Denver, returning Sun, 20 Jul, priced at S$1,132 found 4 days ago
Swiss International Air Lines
Wed, 11 Jun - Mon, 16 Jun
LHR
London
DEN
Denver
S$1,137 Return, found 6 days ago
S$1,137
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Wed, 11 Jun from London to Denver, returning Mon, 16 Jun, priced at S$1,137 found 6 days ago
Lufthansa
Sun, 13 Jul - Sun, 20 Jul
LHR
London
DEN
Denver
S$1,149 Return, found 4 days ago
S$1,149
Return
found 4 days ago
Select Lufthansa flight, departing Sun, 13 Jul from London to Denver, returning Sun, 20 Jul, priced at S$1,149 found 4 days ago
Air Canada
Sun, 13 Jul - Sun, 20 Jul
LHR
London
DEN
Denver
S$1,213 Return, found 4 days ago
S$1,213
Return
found 4 days ago
Select Air Canada flight, departing Sun, 13 Jul from London to Denver, returning Sun, 20 Jul, priced at S$1,213 found 4 days ago
Air Canada
Sun, 13 Jul - Sun, 20 Jul
LHR
London
DEN
Denver
S$1,222 Return, found 4 days ago
S$1,222
Return
found 4 days ago
Select Air Canada flight, departing Sun, 13 Jul from London to Denver, returning Sun, 20 Jul, priced at S$1,222 found 4 days ago
London to Denver route information
Origin airport
Heathrow
Destination airport
Denver Intl.
Return price
S$1,034
Distance
7454 km

Flights from London to Denver

When looking for plane tickets from London to Denver, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Denver. Look for LHR to DEN airfare with the assurance that you have the largest online travel agency working for you.

Expedia lets you search across the largest number of airlines and Denver flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your London Denver flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your London to Denver trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Denver flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from London to Denver with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from LHR to DIA airport?
Round-trip tickets between Heathrow Airport (LHR) and Denver Intl. Airport (DEN) start from S$1,034. This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LHR to DEN?
The majority of flights can be cancelled online, but each air carrier has its own set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from London Heathrow to Denver Intl. Airport (DEN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for London Heathrow to Denver Intl. Airport (DEN) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from LHR to DIA airport?
The distance is around 7,500 kilometres. Neck pillow? Check. Toiletries? Check. We recommend you pack all the essentials for this long-haul Hounslow to Denver flight.
Which airlines fly direct from Heathrow Airport (LHR) to DIA airport?
With 30 monthly flights operating from Heathrow Airport to DEN, United Airlines (UA) is a great choice. You could also check out the fares on offer with British Airways (BA). This carrier operates 30 monthly flights between Hounslow and Denver.
Are Heathrow Airport to DIA airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so it’s no sure thing. While last-minute deals between Heathrow Airport (LHR) and Denver Intl. Airport (DEN) are possible, it also makes sense to keep track of prices well before you fly. In fact, some air carriers release their prices up to 12 months prior to the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to pounce when the price dips.

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