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Amazing British Airways IAD to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $667 round trip and $305 one way. Prices and availability subject to change. Additional terms may apply.


LHR From IAD Economy Coach Packages on Similar Airlines


FAQs about British Airways Flights from IAD to LHR
Can I catch a flight from Washington, DC (IAD-Washington Dulles Intl.) to London (LHR-Heathrow) right now?

It's always wise to learn about any quarantine requirements and travel advice reports in effect in your destination. Be sure to go to the Covid-19 Travel Advisor for up-to-date information on flying to London (LHR-Heathrow) from Washington, DC (IAD-Washington Dulles Intl.).

What terminal is British Airways at Washington, DC (IAD-Washington Dulles Intl.)?

While it's difficult to say which terminal your British Airways flight from Dulles Intl. Airport to Heathrow Airport will leave from, we can tell you that you're likely to be disembarking at terminal 5.

Are there British Airways non-stop flights from IAD to LHR?

Direct flights are available for booking with British Airways, which means you can fly from Dulles Intl. Airport to London (LHR-Heathrow) quickly. Those memorable vacation experiences you're looking for are a trouble-free flight away.

How long is a British Airways flight from IAD to LHR?

As it'll take an average of 8 hours and 2 minutes for your British Airways flight to get from IAD to LHR, consider sticking a few travel games in your carry-on bag. You never know — the person sitting next to you might relish the opportunity to play to break up the journey.

What type of aircraft does British Airways fly from IAD to LHR?

British Airways often uses the Boeing 787-8 when flying the IAD to LHR route.

How many direct and indirect flights does British Airways fly from IAD to LHR?

You'll have plenty of options if you choose to fly with British Airways between IAD and LHR. It operates 3 flights every day.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to London (LHR-Heathrow), please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, 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.

How far in advance can you book a flight?

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 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

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