$485 Find Cheap Flights from London Heathrow Airport to Washington Dulles Airport - Compare and Save

These are the earliest and latest flight times available from London Heathrow Airport to Washington, D.C. Dulles Intl Airport:

• Earliest: departs at 12:05 pm and lands at 8:39 pm
• Latest: departs at 5:05 pm and lands at 1:39 am.

The flight takes about 8h 34m.

Four cabin classes are available on flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport takes 8h 34m, covering 3,664 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport range from $636 to $856, with an average of $738 over the past 12 months. Anything below $636 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 16% above the $738 route average. Book 22 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $492 round-trip via Chicago O'Hare Intl (ORD), compared to $746 for nonstop.

United Airlines is slightly above the route average for timely arrivals, while Virgin Atlantic has a lower on-time arrival rate. On-time arrival rates on London Heathrow Airport to Washington, D.C. Dulles Intl Airport flights are:

• United Airlines: 90% on time
• Virgin Atlantic: 82% on time
• British Airways: 79% on time

Overall, flights on this route are punctual 84% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $51–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 777 family is used most often on this route, operated mainly by Lufthansa and Austrian Airlines. Other aircraft seen on the route include Boeing 777-300ER variants.

Afternoon is the busiest departure period on London Heathrow Airport to Washington, D.C. Dulles Intl Airport flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

Two airlines offer in-flight Wi-Fi on London Heathrow Airport to Washington, D.C. Dulles Intl Airport flights:

• Virgin Atlantic
• Delta

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from London Heathrow Airport to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $509, which is 32% below the typical average for this route.

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

• Dollar
• Budget
• Hertz
• Sixt
• Thrifty

Flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport usually depart from London Heathrow (LHR) and arrive at Washington, D.C. Dulles Intl (IAD).

Afternoon flights have the fewest delays on this route.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London Heathrow Airport to Washington, D.C. Dulles Intl Airport route, 16% of flights were delayed in the past 3 months, with delays averaging 2h 15m.

One-stop flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport most commonly connect through:

• Dublin (DUB) - 46% of one-stop connections
• Reykjavik Keflavik Intl (KEF) - 30% of one-stop connections
• Lisbon Humberto Delgado (LIS) - 7% of one-stop connections
• Zurich (ZRH) - 4% of one-stop connections

Yes. Flexible dates can save you up to 8% on flights from London Heathrow Airport to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $721 round-trip on average, while Sunday is the most expensive at $780, a difference of $59.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between London Heathrow Airport and Washington, D.C. Dulles Intl Airport. The airlines offering nonstop flights on this route include:

• British Airways
• United Airlines
• Virgin Atlantic

Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 10h 41m, compared with 10h 53m via Dublin (DUB) and 11h 03m via New York John F Kennedy Intl (JFK).

Washington, D.C. Dulles Intl Airport is 5 hours behind London Heathrow Airport (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Among airlines operating London Heathrow Airport to Washington, D.C. Dulles Intl Airport flights:

• British Airways: offers extra legroom
• Virgin Atlantic: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Iberia: offers free seat selection
• KLM: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Lufthansa: a cabin bag and a checked bag in Economy Class
• British Airways: a cabin bag and a checked bag in Economy Class
• Austrian Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

You can’t find long-stay accommodation at Dulles Airport, however, there are plenty of hotels in the vicinity where you can make a reservation. Embassy Suites Dulles Airport, the Westin Washington Dulles Airport, and the Hilton Washington Dulles International Airport are three options very close to the airport that offers free round-trip shuttle transfers.

International Currency Exchange (ICE) has a desk at Gate 32 Concourse A/B as well as at International Arrivals near the baggage reclaim hall. You can also find ICE counters at Gates C8/C12 on Concourse C and at Gate D18 on Concourse D. These offer currency exchange, money transfers, and other services.

Yes, it does. You’ll need a shuttle transfer to the car hire centre at Dulles Airport, which makes stops at Curb 2C or 2D (from Baggage Reclaim, go down the ramp to Doors 2 and 4). Many of the providers, including Enterprise Rent a Car, Avis/Budget, and Hertz, use community transport, so be sure to enquire before boarding.

Dulles Airport serves the Baltimore–Washington metro area as well as portions of the state of Virginia. From there you can reach quite a few cities like Baltimore (38 miles north), Fredericksburg, VA (53 miles south), or Annapolis (31 miles east of the US capital).