HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$336+ Cheap flights from Pueblo, CO to Heathrow (LHR)

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
COS — LHR
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pueblo to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Pueblo to London Heathrow are usually found in February or October, booked 51 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Pueblo to Heathrow

Cheapest flights from Pueblo to Heathrow
Explore the most affordable flight options available from Pueblo to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This KAYAK deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:40 pmDEN - LHR
1 stop12h 10mIcelandair
Sun 1/1112:15 pmLHR - DEN
1 stop12h 50mIcelandair
Deal found 12/13$648
This KAYAK deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:40 pmDEN - LHR
1 stop12h 10mIcelandair
Sat 1/108:35 pmLHR - DEN
1 stop28h 30mIcelandair
Deal found 12/13$650
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:20 amDEN - LHR
1 stop11h 35mBrussels Airlines
Fri 1/99:10 amLHR - DEN
1 stop15h 48mBrussels Airlines
Deal found 12/13$661
This Cheapflightsfares deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:20 pmDEN - LHR
1 stop21h 40mLufthansa
Sat 1/101:35 pmLHR - DEN
1 stop15h 24mLufthansa
Deal found 12/13$665
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:20 amDEN - LHR
1 stop11h 35mBrussels Airlines
Sat 1/108:00 amLHR - DEN
1 stop16h 58mBrussels Airlines
Deal found 12/13$668
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:40 pmDEN - LHR
1 stop20h 50mIcelandair
Sun 1/1112:15 pmLHR - DEN
1 stop12h 50mIcelandair
Deal found 12/13$674
This Air Canada deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 amDEN - LHR
1 stop20h 05mAir Canada
Fri 1/911:10 amLHR - DEN
2 stops34h 41mAir Canada
Deal found 12/13$677
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:35 pmDEN - LHR
Nonstop9h 05mBrussels Airlines
Thu 1/85:50 pmLHR - DEN
2 stops31h 08mBrussels Airlines
Deal found 12/13$680
This United Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:05 pmDEN - LHR
1 stop30h 10mUnited Airlines
Sat 1/1011:10 amLHR - DEN
1 stop30h 13mUnited Airlines
Deal found 12/13$682
This United Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:35 pmDEN - LHR
Nonstop9h 05mUnited Airlines
Sun 1/112:30 pmLHR - DEN
1 stop28h 56mUnited Airlines
Deal found 12/13$683
This oojo deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:21 amDEN - LHR
1 stop15h 29mBritish Airways
Sat 1/102:15 pmLHR - DEN
2 stops39h 09mBritish Airways
Deal found 12/13$684

Find flight deals from Pueblo to Heathrow

Keep the following information in mind while searching for Pueblo to Heathrow flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$630
(United Airlines)

One-way from

$336
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$976
Provider with most accurate pricing for Denver Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-London (LON) flights.
Search Deals
From Pueblo to London Heathrow
Search Deals
One-way flight from Pueblo to London Heathrow
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($235 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pueblo to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Pueblo to London Heathrow Airport that are best for you.

Fly from

Pueblo

Fly to

Heathrow

Route

Depart

Return

Price

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Thu 1/29

5:35 pm-9:40 am

Nonstop9h 05m

London Heathrow

Thu 2/5

6:35 am-2:35 pm

1 stop15h 00m

$639

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Thu 2/19

5:35 pm-9:40 am

Nonstop9h 05m

London Heathrow

Wed 3/25

6:35 am-3:35 pm

1 stop15h 00m

$641

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Tue 2/17

5:35 pm-9:40 am

Nonstop9h 05m

London Heathrow

Wed 3/4

11:35 am-2:25 pm

Nonstop9h 50m

$642

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Fri 1/9

5:35 pm-9:40 am

Nonstop9h 05m

London Heathrow

Wed 1/21

6:35 am-2:35 pm

1 stop15h 00m

$663

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Tue 2/3

5:25 pm-9:35 am

Nonstop9h 10m

London Heathrow

Sun 2/8

12:25 pm-3:30 pm

Nonstop10h 05m

$667

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Fri 3/6

5:25 pm-9:35 am

Nonstop9h 10m

London Heathrow

Fri 3/13

12:25 pm-4:30 pm

Nonstop10h 05m

$667

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Mon 1/19

5:35 pm-9:40 am

Nonstop9h 05m

London Heathrow

Mon 1/26

11:35 am-2:25 pm

Nonstop9h 50m

$667

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Fri 2/20

5:35 pm-9:40 am

Nonstop9h 05m

London Heathrow

Wed 3/25

11:35 am-3:30 pm

Nonstop9h 55m

$667

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Fri 3/6

8:05 am-11:50 am

1 stop20h 45m

London Heathrow

Fri 3/13

11:35 am-3:30 pm

Nonstop9h 55m

$667

DenverLondon

DEN - LHR

DENLHR

Denver Intl

Fri 3/6

7:00 am-12:50 pm

3 stops46h 50m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 17 results
1
2

Best time to book a flight from Pueblo to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Pueblo with our price prediction graph.
Estimated round-trip 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 Insights

Everything you need to know about your flight from Pueblo to London Heathrow Airport

How far ahead should I book a flight from Pueblo to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Pueblo to Heathrow. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Pueblo to London Heathrow Airport, you should look to book at least 51 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How much does it cost to fly round-trip from Pueblo to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated December 15, 2025.
Read through reviews of airlines operating flights from Pueblo to London Heathrow Airport, such as United Airlines, American Airlines, and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,093 reviews

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,093 reviews
United Airlines
7.4
Good
9,093 reviews

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,048 reviews
United Airlines
7.4
Good
9,093 reviews

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Icelandair
7.0
Good
590 reviews
United Airlines
7.4
Good
9,093 reviews

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Iberia
7.0
Good
3,052 reviews
United Airlines
7.4
Good
9,093 reviews

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
British Airways
6.7
Okay
7,580 reviews
United Airlines
7.4
Good
9,093 reviews

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Pueblo to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Pueblo to London Heathrow Airport?

    There are many flights that can get you from Pueblo to London Heathrow Airport in 9h 05m. Fly via United Airlines to get the fastest option. There are 4655 mi between Pueblo and London Heathrow Airport. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from Pueblo to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as $180 on Icelandair. Other airlines that offer cheap prices include JetBlue from $268 and WestJet from $330 one-way.

  • Can I find deals for flights from Pueblo to Heathrow that include hotel bookings?

    Yes. In addition to deals on Pueblo to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pueblo to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pueblo to Heathrow.

  • Can I find deals for business class flights from Pueblo to Heathrow?

    Yes. Cheapflights offers flight deals from Pueblo to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

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.

Top 2 airlines flying from Pueblo to Heathrow

Discover the top 2 airlines that operate flights from Pueblo to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$691Average$881FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$692Average$849FlexibilityNo cancel feeOn-time69%

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.