Question 1

How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City)?

Accepted Answer

To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

Question 2

What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City)?

Accepted Answer

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

Question 3

How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City)?

Accepted Answer

There are approximately 27 connecting flights per day from Washington Dulles Intl. (IAD) to London City (LCY). Some common connection points include Unknown (DUB), Pearson Intl. (YYZ), and Roissy-Charles de Gaulle (CDG).

Question 4

What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City)?

Accepted Answer

The earliest flight from Washington Dulles Intl. (IAD) to London City (LCY) typically departs at approximately 6:00 AM local time. This service is operated by Delta and KLM. This is a seasonal service active in July. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

Question 5

What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City)?

Accepted Answer

You'll typically find the most flights from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City) on a Thursday, with around 44 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United Airlines, Delta Air Lines, and Aer Lingus.

Question 6

What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City)?

Accepted Answer

The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City) are in the afternoon, from 3pm to 6pm. About 32% of passengers prefer this time. Many major carriers, including KLM and Iberia, offer flights during this window. This timing works well for many travellers as it allows for a productive morning before heading to the airport, and you'll arrive in London ready to start your evening.

Question 7

How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City)?

Accepted Answer

Flying from IAD to LCY with a connection usually takes about 10 hours 20 minutes, traveling roughly 3,687 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Question 8

Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City)?

Accepted Answer

Select the "Business class" and "First class" filters when looking for IAD to LCY flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

Question 9

How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City) flight with Expedia?

Accepted Answer

It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Question 10

What airports do you fly into for London from Washington Dulles Intl. (IAD)?

Accepted Answer

When traveling from Washington Dulles Intl. (IAD) to London, you can fly into London City (LCY), Heathrow (LHR), Gatwick (LGW) and London Intl. (YXU). Some flights may connect through major hubs like Pearson Intl. (YYZ), Roissy-Charles de Gaulle (CDG), Hartsfield-Jackson Atlanta Intl. (ATL) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Question 11

Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City) at the last minute?

Accepted Answer

Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Question 12

Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City) flight and hotel package?

Accepted Answer

Securing a Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Question 13

Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City)?

Accepted Answer

If you booked your Washington, DC (IAD-Washington Dulles Intl.) to London (LCY-London City) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Origin airport	Washington Dulles Intl.
Destination airport	London City
Airlines serving	Aer Lingus, British Airways, Delta, ITA Airways, Iberia, KLM, Lufthansa, Swiss International Air Lines, Virgin Atlantic
Return price	£652
Distance	5898 km

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£379 Cheap Flights from Washington (IAD) to London (LCY)