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Flights Fare Calendar Find minimum fare between Heathrow and Washington Dulles Intl. Click this button to get previous days data Click this button to get next days data $1,355 $1,161 $968 $774 $581 $387 $194 $0 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F Price is $1,355 on TAP Portugal Price is $1,335 on Brussels Airlines Price is $802 on Turkish Airlines Price is $861 on TAP Portugal Price is $686 on Icelandair Price is $755 on Icelandair Price is $755 on Icelandair Price is $713 on Icelandair Price is $792 on Icelandair Price is $757 on Icelandair Price is $676 on Icelandair Price is $709 on Icelandair Price is $704 on Icelandair Price is $739 on Icelandair Price is $739 on Icelandair Price is $1,001 on Icelandair Price is $704 on Icelandair Price is $670 on Icelandair Price is $987 on Icelandair Price is $1,071 on Icelandair Price is $877 on Icelandair Price is $1,078 on Delta Price is $1,083 on Delta Price is $635 on Icelandair Price is $976 on TAP Portugal Price is $1,019 on Icelandair Price is $729 on Icelandair Price is $1,058 on Icelandair

Amazing LHR to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $570 round trip and $549 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for LHR to IAD

Carrier Flight Depart LHR Arrive IAD Thu
6/24
Fri
6/25
Sat
6/26
Sun
6/27
Mon
6/28
Tue
6/29
Wed
6/30
Stops
UA 919 12:15 pm 03:30 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
BA 293 05:00 pm 08:15 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

FAQs about flights from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD)

Can I catch a flight from London Airport (LHR-Heathrow) to Washington, DC Airport (IAD-Washington Dulles Intl.) right now?

It's wise to learn about any travel advice reports and quarantine requirements in place in your destination city. Be sure to go to the Covid-19 Travel Advisor for up-to-date information on booking a flight to Washington, DC Airport (IAD-Washington Dulles Intl.).

Are there direct flights from London Heathrow to Washington Dulles Intl. Airport (IAD)?

If you're eager to venture from Heathrow Airport to Washington, DC Airport (IAD-Washington Dulles Intl.) as swiftly as possible, you'll be pleased to know multiple airlines offer direct flights. Pick your preferred seat with British Airways or Virgin Atlantic.

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 Dulles Intl. Airport, please visit our Customer Service Portal.

How long is the flight from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD)?

The travel time from London Heathrow to IAD typically takes about 13 hours and 21 minutes. You'll have ample opportunity to catch up on some sleep during this long-haul flight, but remember to bring an inflatable travel pillow if you really want to get comfortable.

What is the flight distance from LHR to Washington, DC Airport (IAD-Washington Dulles Intl.)?

With 6,152 mi between London Heathrow and Dulles Intl. Airport, you'll definitely have time to relax and unwind. Take advantage of the entertainment on board, write in your journal or have a snooze.

What airlines fly from Heathrow Airport to IAD?

There are a number of airlines with direct flights from Heathrow Airport to Washington, DC Airport (IAD-Washington Dulles Intl.). British Airways (BA) is one of the most popular, operating around 30 flights each month. You should also look into the deals on offer from Virgin Atlantic (VS). Another leading carrier, it operates 45 flights each month on the London to Washington route. Be sure to compare the two to walk away with the best fare.

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.

Heathrow to Washington Dulles Intl. Flight FAQ

Traveling FromHeathrow
Traveling ToWashington Dulles Intl.
Shortest Flight Time8 hours 15 mins
Earliest Departure Time12:15PM BST
Latest Departure Time5:00PM BST
Lowest Flight Price$570

Route Info

Flight path for flights from London Heathrow Airport to Washington Dulles International Airport


Distance:
3,687.00 miles


Airlines & Aircraft Used on LHR to IAD Flight Routes


Airline Carrier
Aircraft
American Airlines
Boeing 737-700 pax
Delta Air Lines
Airbus A321-100/200
Lufthansa
Boeing 737 all pax models

Popular Flight Routes from London (LHR)

Heathrow to Washington Dulles Intl. Flight FAQ

Traveling FromHeathrow
Traveling ToWashington Dulles Intl.
Shortest Flight Time8 hours 15 mins
Earliest Departure Time12:15PM BST
Latest Departure Time5:00PM BST
Lowest Flight Price$570

Popular Flight Routes from Washington (IAD)

Travelers at IAD love to visit these top cities. Roam to the top destinations from Washington(IAD) today with the cheap prices from Travelocity!

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.