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£357+ Direct flights from Denver

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — LHR
16 May — 23 May1
1 adult
1 adult, Economy, 0 bags

Find direct flights from Denver within your budget

 
Use the slider to find direct flights from 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. This data was last updated on 16 April 2026.

Fly to

Route

Depart

Return

Price

Cheapest return flight

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Fri 14/8

18:40-10:35

Nonstop8h 55m

London Heathrow

Wed 26/8

13:35-16:30

Nonstop9h 55m

£668
Fastest return journey

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Wed 2/9

17:35-09:40

Nonstop9h 05m

London Heathrow

Mon 7/9

11:25-14:05

Nonstop9h 40m

£668

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Fri 1/5

17:35-09:40

Nonstop9h 05m

London Heathrow

Sat 9/5

14:50-17:45

Nonstop9h 55m

£686

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Fri 4/9

20:25-12:25

Nonstop9h 00m

London Heathrow

Sun 13/9

11:25-14:15

Nonstop9h 50m

£721

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Thu 17/9

17:35-09:40

Nonstop9h 05m

London Heathrow

Sun 20/9

11:25-14:15

Nonstop9h 50m

£742

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Sat 1/8

17:35-09:40

Nonstop9h 05m

London Heathrow

Sun 16/8

11:25-14:05

Nonstop9h 40m

£793

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Mon 18/5

20:20-12:25

Nonstop9h 05m

London Heathrow

Sat 6/6

11:25-14:05

Nonstop9h 40m

£855

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Wed 10/6

20:35-12:35

Nonstop9h 00m

London Heathrow

Sun 4/10

11:25-14:15

Nonstop9h 50m

£881

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Sun 2/8

18:40-10:35

Nonstop8h 55m

London Heathrow

Sat 8/8

13:35-16:30

Nonstop9h 55m

£923

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Mon 1/6

17:35-09:40

Nonstop9h 05m

London Heathrow

Wed 10/6

14:50-17:35

Nonstop9h 45m

£924

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 22 resultsSorted by cheapest first
1
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Best time to book a flight from Denver

Have a flexible travel schedule? Discover the best time to fly from 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.

Reviews of airlines flying non-stop to Denver

Get insights into the airlines that provide direct flights from 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 from Denver. Reviews last updated Cheapflights.
See what other customers who have flown with United Airlines,Lufthansa, andBritish Airways from Denver have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,600 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,600 reviews
United Airlines
7.4
Good
9,600 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Lufthansa
6.8
Okay
7,926 reviews
United Airlines
7.4
Good
9,600 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
British Airways
6.7
Okay
7,890 reviews
United Airlines
7.4
Good
9,600 reviews
Check prices

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Access useful and relevant information related to your journey from Denver. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 16 April 2026.

  • Where can you fly direct from Denver?

    Currently, the most popular direct flight destination from Denver is London Heathrow Airport.

  • How much are direct flights from Denver?

    On average, a one-way direct flight from Denver will cost users approximately £388. If you're looking for a direct round-trip flight from Denver, you can expect to pay around £492.

  • How long is a direct flight from Denver?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from Denver to last approximately 5h 26m on average. The quickest direct flight from Denver at this time departs from Denver (1h 03m), while the longest leaves from Denver (12h 10m).

  • What is the best time of year to fly direct from Denver?

    If you're seeking the lowest price on a direct flight from Denver, January is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, January offers travelers the most options.

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