Find flights
Deals
Airlines

£440+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Denver

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 22 May 2026.

Tue 1/911:25
LHR
-
DEN
Nonstop9h 40m
United Airlines
Mon 21/920:25
DEN
-
LHR
Nonstop9h 00m
United Airlines
Deal found 17/5£668
Tue 1/911:25
LHR
-
DEN
Nonstop9h 40m
Multiple Airlines
Fri 11/917:35
DEN
-
LHR
Nonstop9h 05m
Multiple Airlines
Deal found 19/5£670
Tue 22/911:25
LHR
-
DEN
Nonstop9h 50m
United Airlines
Wed 30/917:35
DEN
-
LHR
Nonstop9h 05m
United Airlines
Deal found 20/5£672
Thu 2/713:35
LHR
-
DEN
Nonstop9h 50m
British Airways
Thu 30/718:35
DEN
-
LHR
Nonstop9h 00m
British Airways
Deal found 21/5£675
Mon 28/911:25
LHR
-
DEN
Nonstop9h 50m
United Airlines
Tue 13/1017:35
DEN
-
LHR
Nonstop9h 05m
United Airlines
Deal found 18/5£675
Wed 23/911:25
LHR
-
DEN
Nonstop9h 50m
Lufthansa
Fri 2/1020:25
DEN
-
LHR
Nonstop9h 00m
Lufthansa
Deal found 20/5£678
Fri 4/914:50
LHR
-
DEN
Nonstop9h 45m
Multiple Airlines
Thu 17/917:35
DEN
-
LHR
Nonstop9h 05m
Multiple Airlines
Deal found 19/5£682
Sat 5/914:50
LHR
-
DEN
Nonstop9h 45m
Lufthansa
Thu 17/917:35
DEN
-
LHR
Nonstop9h 05m
Lufthansa
Deal found 17/5£687

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 22 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

Tue 22/9

11:25-14:15

Nonstop9h 50m

Denver Intl

Thu 1/10

20:25-12:25

Nonstop9h 00m

£672

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Fri 25/9

14:50-17:40

Nonstop9h 50m

Denver Intl

Thu 1/10

20:25-12:25

Nonstop9h 00m

£702

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Wed 14/10

11:25-14:15

Nonstop9h 50m

Denver Intl

Thu 22/10

17:35-09:40

Nonstop9h 05m

£718

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Thu 24/9

11:25-14:15

Nonstop9h 50m

Denver Intl

Sat 3/10

17:35-09:40

Nonstop9h 05m

£732

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Fri 25/9

11:25-14:15

Nonstop9h 50m

Denver Intl

Fri 2/10

17:35-09:40

Nonstop9h 05m

£732
Fastest return journey

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 22/6

11:25-14:05

Nonstop9h 40m

Denver Intl

Mon 6/7

20:25-12:25

Nonstop9h 00m

£762

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sun 11/10

13:35-16:25

Nonstop9h 50m

Denver Intl

Wed 21/10

18:35-10:35

Nonstop9h 00m

£765

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Tue 2/6

13:35-16:25

Nonstop9h 50m

Denver Intl

Tue 16/6

18:35-10:35

Nonstop9h 00m

£795

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Sat 4/7

11:25-14:05

Nonstop9h 40m

Denver Intl

Sat 11/7

20:25-12:25

Nonstop9h 00m

£822

LondonDenver

LHR - DEN

LHRDEN

London Heathrow

Mon 1/6

11:25-14:05

Nonstop9h 40m

Denver Intl

Sat 13/6

17:35-09:40

Nonstop9h 05m

£827

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 22 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 22 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.
Austrian Airlines
7.6
Good
921 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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.
Austrian Airlines
7.6
Good
921 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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.
United Airlines
7.4
Good
9,752 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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.
Icelandair
7.0
Good
657 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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.
Lufthansa
6.8
Okay
8,019 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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.
British Airways
6.7
Okay
7,995 reviews
Austrian Airlines
7.6
Good
921 reviews
Check prices

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

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 £1,911. If you're looking for a direct return flight to Denver, you can expect to pay around £1,206.

  • 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 £1,441.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.