S$864 Cheap Flights from London to Denver

View S$864 flight on Sun, 31 May, 2026Opens 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$864 for one-way flights and S$1,237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,237 Return, found 4 days ago
S$1,237
Return
found 4 days ago
Select Lufthansa flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,237 found 4 days ago
Lufthansa
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,239 Return, found 4 days ago
S$1,239
Return
found 4 days ago
Select Lufthansa flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,239 found 4 days ago
Lufthansa
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,242 Return, found 4 days ago
S$1,242
Return
found 4 days ago
Select Lufthansa flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,242 found 4 days ago
United
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,244 Return, found 4 days ago
S$1,244
Return
found 4 days ago
Select United flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,244 found 4 days ago
Lufthansa
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,266 Return, found 4 days ago
S$1,266
Return
found 4 days ago
Select Lufthansa flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,266 found 4 days ago
United
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,268 Return, found 4 days ago
S$1,268
Return
found 4 days ago
Select United flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,268 found 4 days ago
Austrian Airlines
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,279 Return, found 4 days ago
S$1,279
Return
found 4 days ago
Select Austrian Airlines flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,279 found 4 days ago
Brussels Airlines
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,279 Return, found 4 days ago
S$1,279
Return
found 4 days ago
Select Brussels Airlines flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,279 found 4 days ago
Lufthansa
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,283 Return, found 4 days ago
S$1,283
Return
found 4 days ago
Select Lufthansa flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,283 found 4 days ago
Delta
Fri, 8 May - Fri, 22 May
LHR
London
DEN
Denver
S$1,317 Return, found 4 days ago
S$1,317
Return
found 4 days ago
Select Delta flight, departing Fri, 8 May from London to Denver, returning Fri, 22 May, priced at S$1,317 found 4 days ago

Find the cheapest month to fly from London (LHR) to Denver (DEN)

March is typically the cheapest month to fly

From S$807 - S$2,045 per traveller.

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$1,237. 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.

Travel information

Origin airport
Heathrow
Destination airport
Denver Intl.
Return price
S$1,237
Distance
7454 km
Average flight time
2 hours 50 mins

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