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CA $831 Cheap Flights from London (LHR) to Denver (DEN)

View CA $831 flight on Mon, Mar 1, 2027

Photo by Photo Courtesy of Denver International Airport

Popular airlines from Heathrow Airport (LHR) to Denver International Airport (DEN)

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  • Cheap Flights from London to Denver (LHR-DEN)

    Prices were available within the past 7 days and start at CA $831 for one-way flights and CA $1,129 for roundtrip, for the period specified. Prices and availability are subject to change.

    All deals

    One way

    Roundtrip

    Select Icelandair flight, departing Mon, Feb 1 from London to Denver, returning Mon, Feb 8, priced at CA $1,129 Found 4 days ago

    Mon, Feb 1 - Mon, Feb 8 · LHR · DEN · Roundtrip

    Select Icelandair flight, departing Thu, Apr 15 from London to Denver, returning Thu, Apr 22, priced at CA $1,141 Found 2 hours ago

    Thu, Apr 15 - Thu, Apr 22 · LHR · DEN · Roundtrip

    Select Icelandair flight, departing Wed, Apr 7 from London to Denver, returning Wed, Apr 14, priced at CA $1,143 Found 2 hours ago

    Wed, Apr 7 - Wed, Apr 14 · LHR · DEN · Roundtrip

    Select Icelandair flight, departing Wed, Apr 28 from London to Denver, returning Mon, May 3, priced at CA $1,212 Found 2 hours ago

    Wed, Apr 28 - Mon, May 3 · LHR · DEN · Roundtrip

    Select Icelandair flight, departing Wed, Dec 2 from London to Denver, returning Wed, Jan 27, priced at CA $1,239 Found 3 days ago

    Wed, Dec 2 - Wed, Jan 27 · LHR · DEN · Roundtrip

    Select Icelandair flight, departing Mon, Nov 23 from London to Denver, returning Mon, Dec 7, priced at CA $1,241 Found 4 days ago

    Mon, Nov 23 - Mon, Dec 7 · LHR · DEN · Roundtrip

    Select Lufthansa flight, departing Mon, Feb 1 from London to Denver, returning Mon, Feb 8, priced at CA $1,258 Found 4 days ago

    Mon, Feb 1 - Mon, Feb 8 · LHR · DEN · Roundtrip

    Select Iberia flight, departing Wed, Apr 28 from London to Denver, returning Mon, May 3, priced at CA $1,291 Found 2 hours ago

    Wed, Apr 28 - Mon, May 3 · LHR · DEN · Roundtrip

    Select JetBlue Airways flight, departing Sat, Jan 16 from London to Denver, returning Sun, Jan 31, priced at CA $1,315 Found 2 hours ago

    Sat, Jan 16 - Sun, Jan 31 · LHR · DEN · Roundtrip

    Select United flight, departing Wed, Apr 28 from London to Denver, returning Mon, May 3, priced at CA $1,342 Found 2 hours ago

    Wed, Apr 28 - Mon, May 3 · LHR · DEN · Roundtrip

    Alternative airports near Denver

    Prices were available within the past 7 days. Prices and availability are subject to change.

    Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city centre is 32 minutes. Flights from CA $1,491

    32 min

    Find the cheapest month to fly from London (LHR) to Denver (DEN)

    February is typically the cheapest month to fly

    From CA $1,133 - CA $1,363 per traveller.

    View flights in February

    Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ.

    Book with confidence

    London to Denver Flights

    The easy way to book your flights from London to Denver

    With Expedia, it’s simple to find and book flights to Denver from London whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 5 airlines that cover this route. There are United Airlines, British Airways nonstop flights to Denver Intl., too.

    Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from London to Denver today, tomorrow, or this week.

    Save dollars with cheap flights from Heathrow, LHR to Denver Intl., DEN

    Sort your search results by price to find great deals on your flight from London to Denver—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Denver from London currently is just CA $1,129 rising to CA $1,342.

    Here are more money-saving tips:

    • Fly in February when flight prices are normally at their lowest
    • Book about a month to 6 weeks before you travel for the best prices to Denver
    • Avoid peak season and weekends when flights can cost more
    • Early morning and late-night flights are sometimes cheaper, so try varying your travel times
    • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!

    Reasons to choose Expedia for your flight to Denver from London

    Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Denver with Expedia today.

    Frequently Asked Questions

    How much does a flight from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.) cost?

    You can find one-way and return flights from MAN to GDZ with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to DEN ticket fares go up or down.

    What is the cheapest month to fly from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    The cheapest months to fly from LHR to DEN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

    Which airlines fly direct from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    There are 2 airlines that offer direct flights from London Heathrow (LHR) to Denver, CO (DEN). Here are the top carriers:
    * United operates 14 direct flights from London Heathrow (LHR) to Denver, CO (DEN) every week.
    * British Airways operates 7 direct flights from London Heathrow (LHR) to Denver, CO (DEN) every week.

    How do I find cheap flights from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    To find a cheap flight from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

    What is the best airline to fly with from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    The best airline to fly with from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. British Airways offers the most daily flights from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

    What is the best time to fly from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

    How many flights per day from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    You'll find approximately 3 nonstop flights per day from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.). For even more choices, look at flights that include layovers, as there are around 156 connecting flights per day. Some common connection points include Dublin (DUB), John F. Kennedy Intl. (JFK), and Pearson Intl. (YYZ).

    What is the earliest flight from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    The earliest flight from London Heathrow (LHR) to Denver, CO (DEN-Denver Intl.) typically departs around 6:00 AM. This service is operated by British Airways and American Airlines. Please note that this is a seasonal service, active only in February. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

    What day of the week has the most flights from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    You'll typically find the most flights from London Heathrow (LHR) to Denver, CO (DEN) on a Friday, with around 99 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, British Airways, and American Airlines. Flight options are notably more plentiful on Fridays compared to other days of the week, offering you greater flexibility.

    What are the most popular departure times for flights from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    The most popular departure times for flights from London Heathrow (LHR) to Denver (DEN) are in the morning, between 9am and 12pm. Many major carriers, including United, Lufthansa and American Airlines, offer flights during this window. Many travellers prefer these times because they allow for a full day of travel and an evening arrival in Denver.

    How long does it take to fly from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    A nonstop flight from London Heathrow (LHR) to Denver, CO (DEN-Denver Intl.) typically takes around 9 hours 48 minutes, covering a distance of approximately 7,498 kilometers. If you opt for a flight with one stop, your journey will usually be longer, taking about 14 hours 30 minutes. Flights with two or more stops generally take around 18 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.

    Can you fly business or first class from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    You can fly business class or first class between LHR and DEN. Airlines that offer business class service on this route include:

    * Lufthansa
    * Air France
    * Swiss International Air Lines
    * Air Baltic
    * Virgin Atlantic
    * Turkish Airlines
    * KLM
    * Brussels Airlines
    * Icelandair
    * Med View Airlines
    * Air Canada
    * Alaska Airlines
    * British Airways
    * Delta
    * United
    * Austrian Airlines
    * American Airlines

    First class cabins are available on British Airways and American Airlines.

    How do I earn miles on a London (LHR) to Denver, CO (DEN) flight with Expedia?

    It's easy to earn miles on a London (LHR) to Denver, CO (DEN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

    *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

    What airports do you fly into for Denver, CO (DEN) from London (LHR)?

    If you're planning to travel to Denver from Heathrow (LHR), you can fly directly into Denver Intl. (DEN). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Schiphol (AMS), or Dublin (DUB) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.

    Is it cheaper to buy a plane ticket from London (LHR) to Denver, CO (DEN) at the last minute?

    Typically, booking a last minute flight from London (LHR) to Denver, CO (DEN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

    Is it cheaper to book a London (LHR) to Denver, CO (DEN) flight and hotel package?

    Securing a London (LHR) to Denver, CO (DEN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

    Can I cancel or change the date of my flight from London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.)?

    If you booked your London (LHR-Heathrow) to Denver, CO (DEN-Denver Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

    Travel information

    Origin airportHeathrow Airport
    Destination airportDenver International Airport
    Distance7,497 km away
    Airlines servingBrussels Airlines, Finnair, Iberia, Austrian Airlines, British Airways, Aer Lingus, Alaska Airlines, Air Canada, JetBlue Airways, Icelandair, Virgin Atlantic, KLM, Lufthansa, Air France, Aeromexico, Turkish Airlines, American Airlines, Delta, United, WestJet, Swiss International Air Lines, SAS
    Popular airlineBrussels Airlines
    Roundtrip priceCA $1,129
    Average flight time9 hours 55 mins

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    *Available to Expedia members.