£410+ Direct flights to Denver

This is the cheapest price on a non-stop flight to Denver found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

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 3 December 2025.

Wed 11/211:35LHR - DEN
Nonstop9h 50mLufthansa
Sun 22/217:35DEN - LHR
Nonstop9h 05mLufthansa
Deal found 30/11£505
Wed 4/212:25LHR - DEN
Nonstop10h 05mBritish Airways
Wed 25/217:25DEN - LHR
Nonstop9h 10mBritish Airways
Deal found 30/11£516
Thu 16/414:50LHR - DEN
Nonstop9h 55mLufthansa
Mon 20/417:35DEN - LHR
Nonstop9h 05mLufthansa
Deal found 30/11£517
Tue 24/311:35LHR - DEN
Nonstop9h 55mMultiple Airlines
Sun 29/320:20DEN - LHR
Nonstop9h 00mMultiple Airlines
Deal found 30/11£522
Tue 3/211:35LHR - DEN
Nonstop9h 50mUnited Airlines
Sun 22/217:35DEN - LHR
Nonstop9h 05mUnited Airlines
Deal found 30/11£522
Fri 24/413:40LHR - DEN
Nonstop9h 55mBritish Airways
Fri 8/518:40DEN - LHR
Nonstop8h 55mBritish Airways
Deal found 1/12£531
Mon 2/211:35LHR - DEN
Nonstop9h 50mMultiple Airlines
Fri 27/217:35DEN - LHR
Nonstop9h 05mMultiple Airlines
Deal found 30/11£532
Mon 30/311:25LHR - DEN
Nonstop9h 50mBrussels Airlines
Mon 13/417:35DEN - LHR
Nonstop9h 05mBrussels Airlines
Deal found 1/12£532
Sat 11/414:50LHR - DEN
Nonstop9h 55mMultiple Airlines
Sat 25/417:35DEN - LHR
Nonstop9h 05mMultiple Airlines
Deal found 2/12£533
Wed 6/514:50LHR - DEN
Nonstop9h 55mUnited Airlines
Sun 10/520:20DEN - LHR
Nonstop9h 00mUnited Airlines
Deal found 2/12£534
Thu 16/411:25LHR - DEN
Nonstop9h 50mAustrian Airlines
Fri 24/417:35DEN - LHR
Nonstop9h 05mAustrian Airlines
Deal found 30/11£535
Tue 3/211:35LHR - DEN
Nonstop9h 50mBrussels Airlines
Tue 24/217:35DEN - LHR
Nonstop9h 05mBrussels Airlines
Deal found 1/12£535

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.
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.

Cheapflights Fare Finder

 
Use the slider to find non-stop flights to Denver within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches and data was last updated on 3 December 2025.
Use the filters below to find and compare direct flights to Denver that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Thu 15/1

11:35-14:25

Nonstop9h 50m

Denver Intl

Thu 22/1

17:35-09:40

Nonstop9h 05m

£522

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Thu 7/5

11:25-14:15

Nonstop9h 50m

Denver Intl

Mon 11/5

20:20-12:20

Nonstop9h 00m

£534

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sat 9/5

11:25-14:15

Nonstop9h 50m

Denver Intl

Sun 10/5

20:20-12:20

Nonstop9h 00m

£534

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Fri 8/5

14:50-17:45

Nonstop9h 55m

Denver Intl

Sun 10/5

20:20-12:20

Nonstop9h 00m

£534

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sat 30/5

14:50-17:35

Nonstop9h 45m

Denver Intl

Tue 9/6

20:20-12:20

Nonstop9h 00m

£535

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Fri 29/5

11:25-14:05

Nonstop9h 40m

Denver Intl

Tue 9/6

20:20-12:20

Nonstop9h 00m

£535

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Thu 28/5

11:25-14:05

Nonstop9h 40m

Denver Intl

Tue 9/6

20:20-12:20

Nonstop9h 00m

£535

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 30/3

11:25-14:15

Nonstop9h 50m

Denver Intl

Sun 12/4

17:35-09:40

Nonstop9h 05m

£535

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 30/3

11:25-14:15

Nonstop9h 50m

Denver Intl

Sun 12/4

20:20-12:20

Nonstop9h 00m

£536

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Fri 1/5

11:25-14:15

Nonstop9h 50m

Denver Intl

Thu 14/5

20:20-12:20

Nonstop9h 00m

£536

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 24 results
1
2
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Reviews of airlines flying non-stop to Denver

Get insights into the airlines that provide direct flights to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated 3 December 2025.
Get a feel of what it's like to fly with Austrian 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.

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

FAQ about direct flights to Denver

Find answers to frequently asked questions about direct flights to Denver to unlock the best deals on Cheapflights.
  • How much are direct flights to Denver?

    On average, a one-way direct flight to Denver will cost users approximately £1,380. If you're looking for a direct return flight to Denver, you can expect to pay around £1,005.

  • Which airlines fly direct to Denver?

    At the moment, British Airways, Lufthansa, Icelandair, United Airlines, Aer Lingus, Virgin Atlantic, Austrian Airlines, Brussels Airlines, Iberia, Finnair offer direct flights to Denver. British Airways 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, September is worth consideration, as prices are usually at their lowest, on average. January 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 £1,192.

See more FAQs

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