£432+ 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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

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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 7 May 2026.

Tue 1/911:25
LHR
-
DEN
Nonstop9h 40m
Multiple Airlines
Tue 15/917:35
DEN
-
LHR
Nonstop9h 05m
Multiple Airlines
Deal found 4/5£642
Tue 1/911:25
LHR
-
DEN
Nonstop9h 40m
Lufthansa
Tue 8/920:25
DEN
-
LHR
Nonstop9h 00m
Lufthansa
Deal found 5/5£649
Tue 1/911:25
LHR
-
DEN
Nonstop9h 40m
Lufthansa
Tue 29/917:35
DEN
-
LHR
Nonstop9h 05m
Lufthansa
Deal found 6/5£649
Mon 7/911:25
LHR
-
DEN
Nonstop9h 40m
Brussels Airlines
Mon 14/917:35
DEN
-
LHR
Nonstop9h 05m
Brussels Airlines
Deal found 4/5£650
Mon 21/911:25
LHR
-
DEN
Nonstop9h 50m
Lufthansa
Fri 25/917:35
DEN
-
LHR
Nonstop9h 05m
Lufthansa
Deal found 5/5£666
Thu 10/914:50
LHR
-
DEN
Nonstop9h 50m
Lufthansa
Mon 14/917:35
DEN
-
LHR
Nonstop9h 05m
Lufthansa
Deal found 4/5£667
Tue 15/911:25
LHR
-
DEN
Nonstop9h 50m
Lufthansa
Sat 19/917:35
DEN
-
LHR
Nonstop9h 05m
Lufthansa
Deal found 2/5£668
Mon 7/911:25
LHR
-
DEN
Nonstop9h 40m
Multiple Airlines
Tue 15/920:25
DEN
-
LHR
Nonstop9h 00m
Multiple Airlines
Deal found 6/5£670
Wed 16/911:25
LHR
-
DEN
Nonstop9h 50m
United Airlines
Mon 28/917:35
DEN
-
LHR
Nonstop9h 05m
United Airlines
Deal found 5/5£671
Wed 30/914:50
LHR
-
DEN
Nonstop9h 50m
United Airlines
Wed 16/1217:35
DEN
-
LHR
Nonstop9h 05m
United Airlines
Deal found 5/5£672
Tue 1/914:50
LHR
-
DEN
Nonstop9h 45m
United Airlines
Tue 29/920:25
DEN
-
LHR
Nonstop9h 00m
United Airlines
Deal found 4/5£672

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 7 May 2026.
Use the filters below to find and compare direct flights to Denver that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sun 1/11

12:25-15:30

Nonstop10h 05m

Denver Intl

Sun 15/11

17:25-09:35

Nonstop9h 10m

£732
Fastest return journey

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 8/6

11:25-14:05

Nonstop9h 40m

Denver Intl

Mon 22/6

20:25-12:25

Nonstop9h 00m

£760

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 8/6

11:25-14:05

Nonstop9h 40m

Denver Intl

Mon 22/6

20:25-12:25

Nonstop9h 00m

£760

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 15/6

14:50-17:35

Nonstop9h 45m

Denver Intl

Tue 7/7

20:25-12:25

Nonstop9h 00m

£762

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Tue 16/6

14:50-17:35

Nonstop9h 45m

Denver Intl

Wed 1/7

20:35-12:35

Nonstop9h 00m

£763

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 13/7

11:25-14:05

Nonstop9h 40m

Denver Intl

Mon 27/7

17:35-09:40

Nonstop9h 05m

£780

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 6/7

11:25-14:05

Nonstop9h 40m

Denver Intl

Sat 25/7

20:25-12:25

Nonstop9h 00m

£791

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sat 20/6

11:25-14:05

Nonstop9h 40m

Denver Intl

Tue 7/7

20:25-12:25

Nonstop9h 00m

£792

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Thu 18/6

14:50-17:35

Nonstop9h 45m

Denver Intl

Mon 6/7

20:25-12:25

Nonstop9h 00m

£812

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sun 14/6

14:50-17:35

Nonstop9h 45m

Denver Intl

Wed 8/7

20:35-12:35

Nonstop9h 00m

£812

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 7 May 2026.
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.

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Boarding

7.6

Entertainment

6.8

Food

6.8

Overall

7.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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 £1,797. If you're looking for a direct return flight to Denver, you can expect to pay around £1,554.

  • Which airlines fly direct to Denver?

    At the moment, British Airways, Lufthansa, United Airlines, Austrian Airlines, Brussels Airlines, Aer Lingus, American Airlines, Finnair, Iberia 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 40m on average. The quickest direct flight to Denver at this time departs from London Heathrow Airport (9h 40m), while the longest leaves from London Heathrow Airport (9h 40m).

  • 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 £1,675.

See more FAQs

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