Vuelos de American Airlines de Washington (IAD) a Londres (LHR) desde $459

It’s always wise to know about any travel advice reports and quarantine requirements in effect in your destination. Make sure you check out the Covid-19 Travel Advisor for up-to-date info on flying to Heathrow Airport.

If you’re flying from Washington Dulles Intl. Airport (IAD) to London Heathrow, the odds are you’ll be disembarking at terminal 5. We can’t say for sure which terminal you’ll be departing from — it’s a good idea to consult your airline.

As you can’t go direct from IAD to Heathrow Airport (LHR) with American Airlines, make the most of your stopover. Sit down to some refreshments at an airport bar, or stroll about the terminal and indulge in some retail therapy.

Enjoy some in-flight shut-eye and start your vacation feeling relaxed. You’ll have sufficient time to do so when traveling with American Airlines between IAD and LHR, with the average flight lasting 9 hours and 19 minutes.

When you take to the skies between IAD and LHR with American Airlines, you’ll generally be doing it aboard the Airbus A380-800. The carrier also operates the Boeing 787-10 on this route.

American Airlines currently operates about 2 flights each day from Washington Dulles Intl. Airport (IAD) to Heathrow Airport (LHR).

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.