£360 Cheap Flights from London (LGW) to Denver (DEN)

View £360 flight on Wed, 22 Oct 2025Opens in a new window

Popular airlines from Gatwick Airport (LGW) to Denver International Airport (DEN)

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Cheap Flights from London (LGW) to Denver (DEN)

Prices were available within the past 7 days and start at £360 for one-way flights and £426 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, 14 Dec - Wed, 17 Dec
LGW
London
DEN
Denver
£426 Return, just found
£426
Return
just found
Select Icelandair flight, departing Sun, 14 Dec from London to Denver, returning Wed, 17 Dec, priced at £426 just found
Icelandair
Wed, 10 Dec - Mon, 15 Dec
LGW
London
DEN
Denver
£426 Return, found 6 days ago
£426
Return
found 6 days ago
Select Icelandair flight, departing Wed, 10 Dec from London to Denver, returning Mon, 15 Dec, priced at £426 found 6 days ago
Icelandair
Mon, 17 Nov - Sat, 13 Dec
LGW
London
DEN
Denver
£444 Return, found 12 hours ago
£444
Return
found 12 hours ago
Select Icelandair flight, departing Mon, 17 Nov from London to Denver, returning Sat, 13 Dec, priced at £444 found 12 hours ago
Icelandair
Mon, 8 Dec - Thu, 11 Dec
LGW
London
DEN
Denver
£445 Return, just found
£445
Return
just found
Select Icelandair flight, departing Mon, 8 Dec from London to Denver, returning Thu, 11 Dec, priced at £445 just found
Icelandair
Fri, 7 Nov - Thu, 20 Nov
LGW
London
DEN
Denver
£467 Return, found 5 hours ago
£467
Return
found 5 hours ago
Select Icelandair flight, departing Fri, 7 Nov from London to Denver, returning Thu, 20 Nov, priced at £467 found 5 hours ago
Icelandair
Wed, 12 Nov - Thu, 20 Nov
LGW
London
DEN
Denver
£467 Return, found 6 days ago
£467
Return
found 6 days ago
Select Icelandair flight, departing Wed, 12 Nov from London to Denver, returning Thu, 20 Nov, priced at £467 found 6 days ago
American Airlines
Thu, 4 Sep - Mon, 8 Sep
LGW
London
DEN
Denver
£470 Return, found 11 hours ago
£470
Return
found 11 hours ago
Select American Airlines flight, departing Thu, 4 Sep from London to Denver, returning Mon, 8 Sep, priced at £470 found 11 hours ago
British Airways
Tue, 16 Sep - Wed, 24 Sep
LGW
London
DEN
Denver
£472 Return, found 14 hours ago
£472
Return
found 14 hours ago
Select British Airways flight, departing Tue, 16 Sep from London to Denver, returning Wed, 24 Sep, priced at £472 found 14 hours ago
Iberia
Tue, 16 Sep - Wed, 24 Sep
LGW
London
DEN
Denver
£510 Return, found 14 hours ago
£510
Return
found 14 hours ago
Select Iberia flight, departing Tue, 16 Sep from London to Denver, returning Wed, 24 Sep, priced at £510 found 14 hours ago
JetBlue Airways
Wed, 1 Oct - Wed, 15 Oct
LGW
London
DEN
Denver
£511 Return, found 3 days ago
£511
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 1 Oct from London to Denver, returning Wed, 15 Oct, priced at £511 found 3 days ago
Flight from London to Denver route information
Origin airport
Gatwick
Destination airport
Denver Intl.
Airlines serving
Air Europa, Air France, American Airlines, British Airways, Delta, Iberia, Icelandair, JetBlue Airways, KLM, Swiss International Air Lines, TAP Portugal, Turkish Airlines, Virgin Atlantic
Return price
£425
Distance
7490 km

Compare flights from London to Denver easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Denver. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Denver Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Gatwick to Denver Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Gatwick (LGW) to Denver Intl. (DEN)

The easiest way to view the best deals on flights from London to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Gatwick to Denver Intl. start at just £426 and range up to £684.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Denver
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Denver flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gatwick to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Gatwick Airport (LGW) to DIA airport?
If you're travelling between LGW and DIA airport, round-trip flights start from £426. This price is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LGW to DEN?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from London Gatwick to Denver Airport 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 Gatwick to Denver Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LGW to DEN?
Gatwick to Denver is around 7,500 kilometres, so get ready to spend quite a while in the air. Don't forget to pack all the essentials, from your headphones to your hoodie. Toss in some snacks to nibble on throughout your flight too.
Which airlines fly direct from London Gatwick to Denver Airport?
If you want to fly straight from London Gatwick to Denver Airport, you'll have to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route.
Are Gatwick Airport (LGW) to DIA airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so there are no guarantees. While last-minute flight deals between Gatwick Airport (LGW) and Denver Airport are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some airlines release their prices up to a year before the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to pounce when fare prices drop.

Explore a world of travel with Expedia

London Airports

London

Heathrow to Denver
£389.72
London City to Denver
£517.01
*Available to Expedia members.