$384 Cheap British Airways flights from Denver to London (DEN to LHR)

Be sure to visit our Covid-19 Travel Advisor to discover if there are any present quarantine requirements and travel advice reports in place in Heathrow Airport when flying from Denver Airport.

If you’re flying with British Airways from Denver Airport, you’ll generally catch your flight from the main terminal. If you’re jetting to Heathrow Airport from here, you’re most likely to be arriving at terminal 5.

Direct flights can be booked with British Airways, which means you’ll be able to travel from Denver Intl. Airport (DEN) to LHR the easy way. Those one-of-a-kind travel experiences you’re chasing are one simple flight away.

Take in a movie or two, enjoy a podcast or just recline your seat and relax. Whatever you prefer, find a way to pass the 9 hours and 58 minutes that it takes to journey from DEN to London Heathrow with British Airways.

Enjoy all the amenities that the Boeing 787-10 has to offer when jetting from DEN to LHR with British Airways. This is the most typically used aircraft on this route.

If you’re traveling from DEN to LHR, you’ll find at least 2 British Airways daily flights to pick from.

For more info about changing your flight to Heathrow Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.