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Cheapest flights to Denver
Explore the most affordable flight options available to Denver. Find the lowest fares based on data from user searches, with prices last updated on 9 November 2026.

Wed 9/1212:10 -

Nonstop10h 00m

Mon 14/1217:01 -

Nonstop9h 09m

Deal found 9/11£685

Mon 7/1212:10 -

Nonstop10h 00m

Mon 14/1217:01 -

Nonstop9h 09m

Deal found 5/11£691

Mon 7/1212:10 -

Nonstop10h 00m

Wed 23/1217:01 -

Nonstop9h 09m

Deal found 7/11£694

Mon 7/1211:35 -

Nonstop9h 50m

Wed 23/1217:35 -

Nonstop9h 05m

Deal found 8/11£694

Mon 14/1212:10 -

Nonstop10h 00m

Wed 23/1217:01 -

Nonstop9h 09m

Deal found 6/11£701

Wed 27/111:35 -

Nonstop9h 50m

Wed 10/217:35 -

Nonstop9h 05m

Deal found 9/11£707

Mon 7/1211:35 -

Nonstop9h 50m

Mon 14/1217:35 -

Nonstop9h 05m

Deal found 6/11£709

Tue 9/312:10 -

Nonstop10h 00m

Tue 30/318:40 -

Nonstop8h 55m

Deal found 9/11£709

Mon 12/413:35 -

Nonstop9h 55m

Mon 3/518:40 -

Nonstop8h 55m

Deal found 8/11£711

Sun 13/1212:10 -

Nonstop10h 00m

Thu 14/117:05 -

Nonstop9h 10m

Deal found 7/11£712

Mon 11/112:10 -

Nonstop10h 00m

Mon 25/117:01 -

Nonstop9h 09m

Deal found 5/11£712

Best time to book a flight to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver with our price prediction graph.

LON-DEN

LHR-DEN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Fly from

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Mon 19/4

11:25-14:15

Nonstop9h 50m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£488

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Thu 18/2

12:10-15:10

Nonstop10h 00m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£512

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Wed 6/1

11:35-14:25

Nonstop9h 50m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£527

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Sun 18/4

11:25-14:15

Nonstop9h 50m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£530

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Thu 22/4

11:25-14:15

Nonstop9h 50m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£530

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Fri 7/5

14:50-17:45

Nonstop9h 55m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£534

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Wed 31/3

14:50-17:45

Nonstop9h 55m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£549

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Thu 7/1

11:35-14:25

Nonstop9h 50m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£598

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Sat 12/12

12:10-15:10

Nonstop10h 00m

Denver Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£665

LondonDenver

LHR London Heathrow - DEN Denver Intl

LHRDEN

London Heathrow

Tue 9/3

12:10-15:10

Nonstop10h 00m

Denver Intl

Tue 30/3

18:40-10:35

Nonstop8h 55m

£709

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 19 resultsSorted by cheapest first

1

2

Reviews of airlines flying non-stop to Denver

Get a feel of what it's like to fly with Brussels Airlines,United Airlines, andIcelandair to the United States by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Brussels Airlines

7.3

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

LJU - BRU

Rude flight attendant, no watter, delayed flight, and leg room for miggets

Brussels Airlines

7.3

Good

Brussels Airlines

7.3

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

LJU - BRU

Rude flight attendant, no watter, delayed flight, and leg room for miggets

United Airlines

7.3

Good

Brussels Airlines

7.3

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

LJU - BRU

Rude flight attendant, no watter, delayed flight, and leg room for miggets

6.9

Okay

Brussels Airlines

7.3

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

LJU - BRU

Rude flight attendant, no watter, delayed flight, and leg room for miggets

6.8

Okay

Brussels Airlines

7.3

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

LJU - BRU

Rude flight attendant, no watter, delayed flight, and leg room for miggets

British Airways

6.7

Okay

Brussels Airlines

7.3

Good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jul 2026

LJU - BRU

Rude flight attendant, no watter, delayed flight, and leg room for miggets

FAQ about direct flights to Denver

How much are direct flights to Denver?
On average, a one-way direct flight to Denver will cost users approximately £1,665. If you're looking for a direct return flight to Denver, you can expect to pay around £2,983.
Which airlines fly direct to Denver?
At the moment, Lufthansa, British Airways, United Airlines, Brussels Airlines, Austrian Airlines, Aer Lingus, American Airlines, Iberia, Finnair offer direct flights to Denver. Lufthansa is currently the most popular airline that flies direct to Denver.
How long is a direct flight to Denver?
While the flight duration depends heavily on the origin, travellers can expect non-stop flights to Denver to last approximately 9h 50m on average. The quickest direct flight to Denver at this time departs from London Heathrow Airport (9h 50m), while the longest leaves from London Heathrow Airport (9h 50m).
What is the best time of year to fly direct to Denver?
If you're seeking the lowest price on a direct flight to Denver, February is worth consideration, as prices are usually at their lowest, on average. April may be most appealing to users looking for the quietest time to visit Denver, when demand is typically at its lowest.
What is the most popular direct flight origin to Denver?
Currently, the most popular direct flight origin to Denver is London Heathrow Airport. A return direct flight from London Heathrow Airport to Denver typically costs around £2,544.

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