£167 Find Cheap Flights from Colorado to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Heathrow departing on 15/4. 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.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
£439
British Airways
Tue 10/2Sat 28/2
COS - LHR • 1 stop
Cheapest direct flights
£469
Typical prices: £473-£636
Finnair
Thu 5/3Tue 10/3
DEN - LHR • Direct
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We hope you love your trip to Heathrow!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Colorado to Heathrow

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Colorado to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Colorado to Heathrow

Tue, 10 Feb - Sat, 28 Feb
British Airways Logo
10:21 - 12:15
COS
-
LHR
18h 54m
1 stop
British Airways Logo
06:05 - 20:38
LHR
-
COS
21h 33m
2 stops
£439British Airways
Thu, 12 Feb - Thu, 12 Mar
British Airways Logo
13:39 - 12:15
COS
-
LHR
15h 36m
1 stop
British Airways Logo
06:15 - 23:59
LHR
-
COS
23h 44m
2 stops
£440British Airways
Sun, 1 Mar - Sun, 8 Mar
Iberia Logo
10:35 - 08:35
GJT
-
LHR
15h 00m
1 stop
Iberia Logo
06:15 - 19:38
LHR
-
GJT
20h 23m
2 stops
£451Iberia
Tue, 10 Mar - Wed, 25 Mar
Iberia Logo
11:49 - 08:15
COS
-
LHR
14h 26m
1 stop
Iberia Logo
10:15 - 20:37
LHR
-
COS
16h 22m
1 stop
£453Iberia
Tue, 3 Feb - Sun, 8 Feb
Air Canada Logo
08:05 - 11:50
DEN
-
LHR
20h 45m
1 stop
Air Canada Logo
06:50 - 19:55
LHR
-
DEN
20h 05m
2 stops
£461Air Canada
Sun, 1 Mar - Sat, 14 Mar
United Airlines Logo
07:45 - 05:55
DEN
-
LHR
15h 10m
1 stop
United Airlines Logo
06:35 - 19:55
LHR
-
DEN
19h 20m
1 stop
£461United Airlines
Sat, 24 Jan - Sun, 1 Feb
Multiple Airlines Logo
11:15 - 20:35
DEN
-
LHR
26h 20m
2 stops
Multiple Airlines Logo
06:50 - 19:55
LHR
-
DEN
20h 05m
2 stops
£462Multiple Airlines
Mon, 9 Feb - Mon, 16 Feb
United Airlines Logo
17:35 - 09:40
DEN
-
LHR
9h 05mdirect
United Airlines Logo
15:30 - 16:00
LHR
-
DEN
31h 30m
1 stop
£463United Airlines
Sun, 25 Jan - Tue, 10 Feb
Multiple Airlines Logo
15:40 - 16:50
DEN
-
LHR
18h 10m
2 stops
Multiple Airlines Logo
07:50 - 18:05
LHR
-
DEN
17h 15m
2 stops
£463Multiple Airlines
Fri, 12 Jun - Fri, 19 Jun
Air Canada Logo
07:43 - 10:00
GJT
-
LHR
19h 17m
2 stops
Air Canada Logo
14:05 - 20:27
LHR
-
GJT
37h 22m
2 stops
£772Air Canada
Useful Info

Good to know - Cheap tickets from Colorado to London Heathrow Airport

Low seasonJanuary
Cheapest flight£167
Best time to beat the crowds (2% less expensive on average)
Most popular time to fly (8% more expensive on average)
Flight from Colorado Springs to London Heathrow Airport

Flights from Colorado to Heathrow: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Colorado to Heathrow 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with British Airways
DEN
-
LHR
Dec 2025
Jst take one cashing bag no checked luggage-so much easier
TressaFlew with Lufthansa
DEN
-
LHR
Dec 2024
Make your layover longer because you will need it for all the walking at Heathrow
Verified travelerFlew with Iberia
DEN
-
LHR
Sept 2024
Coming from Denver with London as a layover you will have to go through security again

FAQs for booking Colorado to London Heathrow Airport flights

  • How does KAYAK find such low prices on flights from Colorado to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Colorado is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Colorado with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Travelling to a place near Heathrow?

Book flights to Heathrow if you plan to visit one of these locations
Gatwick
Milton Keynes
Eastbourne
Hounslow
Luton
Southend-on-Sea
Swindon
Northampton
Slough
Winchester
Croydon
Stansted
Poole
Folkestone
Chichester
Maidstone
Salisbury
Colchester
Chelmsford
Crawley

Everything you need to know for your flight to Heathrow

Information on your arrival and departure airports

London Heathrow Airport (LHR)