Question 1

What days are direct flights available from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Accepted Answer

Direct flights are available for this route on the following days: Wednesday, Thursday, Friday.

Question 2

How many flights depart from Washington, D.C. Dulles Intl Airport to London Heathrow Airport on average per day?

Accepted Answer

On average 2 flights depart from Washington, D.C. Dulles Intl Airport to London Heathrow Airport per day.
Afternoon (Noon - 6pm) - 100% of flight departures

Question 3

How long is the flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Accepted Answer

There are many flights that can get you from Washington, D.C. Dulles Intl Airport to London Heathrow Airport in 11h 45m. Fly via TAP AIR PORTUGAL, Scandinavian Airlines, or United Airlines to get the fastest option. There are 5934 km between Washington, D.C. Dulles Intl Airport and London Heathrow Airport. This flight may include one or multiple stops.

Question 4

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport round-trip?

Accepted Answer

According to our current data, TAP AIR PORTUGAL (C$ 712), Scandinavian Airlines (C$ 783), and United Airlines (C$ 786) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to London Heathrow Airport. You may be able to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for 33% less than the average price by searching for these airlines.

Question 5

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport one-way?

Accepted Answer

C$ 355 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on TAP AIR PORTUGAL and Delta, with prices starting from C$ 574 and C$ 588, respectively.

Question 6

E

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport (average of C$ 560). Flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport in July is currently the most expensive (average of C$ 937). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 767

February

C$ 835

March

C$ 934

April

C$ 916

May

C$ 976

June

C$ 1,090

July

C$ 1,283

August

C$ 1,111

September

C$ 991

October

C$ 919

November

C$ 902

December

C$ 981

Question 7

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Accepted Answer

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 8

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Accepted Answer

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 9

How recently were the Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight deals updated?

Accepted Answer

The Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight deals you see on this page were last updated on 8/5.

Question 10

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Accepted Answer

While on average a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport is generally C$ 1,582, our data shows the cheapest flight currently is C$ 919. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay C$ 1,376 for that flight.

Question 11

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport consider choosing American Airlines (80%), Aer Lingus (80%) or Finnair (80%) as they are the most reliable in getting you off to your destination on time.

Question 12

Can I find flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under C$ 800 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under C$ 800. The cheapest flight booked recently is on TAP AIR PORTUGAL for just C$ 712, but on average you can expect to pay C$ 807.

Question 13

Are there direct flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under C$ 900 on Cheapflights?

Accepted Answer

Cheapflights has 20 direct flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport under C$ 900. A good price for a direct flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport is less than C$ 896.

Question 14

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under C$ 900?

Accepted Answer

There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport within the next 7 days for less than C$ 900.

Question 15

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Accepted Answer

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 12% on your flight compared to booking on days when demand is much higher.

Question 16

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Accepted Answer

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport, book at least 24 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 1,007 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,082.

Question 17

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Accepted Answer

October can be a great time to fly to London Heathrow Airport from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about C$ 984. Cheapflights users have found deals in the month of October for as cheap as C$ 481. The most expensive prices can be found in the month of June.

Question 18

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport (IAD - LHR)?

Accepted Answer

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport in the morning. By choosing this option you can save up to 3% on the cost of your flight, compared to a flight at noon.

Question 19

What does IAD to LHR mean?

Accepted Answer

This is defined as Washington, D.C. Dulles Intl Airport (IAD) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

Question 20

Can I find deals for flights from Dulles Intl to Heathrow that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your Dulles Intl to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 21

Can I find deals on flights from Dulles Intl to Heathrow with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter Dulles Intl to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 22

Can I find deals for flights from Dulles Intl to Heathrow that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Dulles Intl to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 23

How can I find direct flights from Dulles Intl to Heathrow?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Heathrow.

Question 24

Can I find deals for business class flights from Dulles Intl to Heathrow?

Accepted Answer

Yes. Cheapflights offers flight deals from Dulles Intl to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 25

Can I find deals for flights from Dulles Intl to Heathrow that allow pets onboard?

Accepted Answer

Many airlines flying from Dulles Intl to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 26

Can I find deals on last-minute flights from Dulles Intl to Heathrow?

Accepted Answer

Yes, you can often find last-minute deals on Dulles Intl to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 27

How does Cheapflights help users find flights from Dulles Intl to Heathrow?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Dulles Intl today with Cheapflights!

Question 28

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Heathrow?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Dulles Intl to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 29

Can Cheapflights find flights from Dulles Intl to Heathrow with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Dulles Intl to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 30

Can Cheapflights notify me if prices for flights from Dulles Intl to Heathrow become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Popular in	June
Cheapest in	October
Round-trip from	C$ 758
One-way from	C$ 615

1%of flight departures	Early morningMidnight to 6 am
0%of flight departures	Morning6 am to noon
48%of flight departures	AfternoonNoon to 6 pm
51%of flight departures	Evening6 pm to midnight

Sunday	30daily flights
Monday	30daily flights
Tuesday	30daily flights
Wednesday	30daily flights
Thursday	30daily flights
Friday	30daily flights
Saturday	24daily flights

Cheap flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport from C$ 355

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from Washington, D.C. Dulles Intl to London Heathrow are usually found in October or November, booked 15 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Dulles Intl to Heathrow

Popular in

Cheapest in

Round-trip from

One-way from

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport (IAD - LHR)?

Cheap TAP AIR PORTUGAL flights from Dulles Intl to Heathrow

Peruse some of the lowest-priced TAP AIR PORTUGAL flights we've found from Washington, D.C. to London. Deals update often to give you more flight options matching your criteria

Cheap Scandinavian Airlines flights from Dulles Intl to Heathrow

Have a look at some of the cheapest available Scandinavian Airlines flights departing from Washington, D.C. and landing in London. Make sure to examine the flight information before completing your reservation.

Cheap Dulles Intl to Heathrow flights in May & June 2024

Find cheap flight options from Dulles Intl to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 441,849 searches. Prices were last updated on 8 mayo 2024.

The lowest fares we've come across on flights travelling from Washington, D.C. to London in May and June 2024. Check back regularly for other flight deals.

Dulles Intl to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 441,849 searches. Data last updated 8 mayo 2024.

The lowest fares we've come across on flights travelling from Washington, D.C. to London in May and June 2024. Check back regularly for other flight deals.

Direct flights to Heathrow from Dulles Intl

Take a look at some of the direct flights travelling from Washington, D.C. to London in the near future. Search for alternative flights from Washington, D.C. to London by utilizing the search form above.

Dulles Intl to Heathrow flights leaving soon

Book one of these great deals on flights from Washington, D.C. to London. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Heathrow from Dulles Intl

Take a look at some of the one-way flights we've detected from Washington, D.C. to London. Those needing a return flight from Washington, D.C. to London can use the search form above.

Find flights from Dulles Intl to Heathrow within your budget

When is the best time to book a flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Heathrow. Price data was last updated on 3 May 2024.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Heathrow. Price data was last updated on 5 May 2024.

Average price of flights to Heathrow by month

Plan your trip from Dulles Intl to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Heathrow is currently C$ 508 while a round-trip flight costs C$ 811. Price data was last updated on 5 May 2024.

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing Heathrow

Peruse reviews from past customers who have flown with TAP AIR PORTUGAL, Scandinavian Airlines and United Airlines from Washington, D.C. to London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under C$ 800 on Cheapflights?

Are there direct flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under C$ 900 on Cheapflights?

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to London Heathrow Airport for under C$ 900?

What days are direct flights available from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

How many flights depart from Washington, D.C. Dulles Intl Airport to London Heathrow Airport on average per day?

How long is the flight from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to London Heathrow Airport round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to London Heathrow Airport one-way?

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to London Heathrow Airport?

What does IAD to LHR mean?

Can I find deals for flights from Dulles Intl to Heathrow that include extra baggage allowance?

Can I find deals on flights from Dulles Intl to Heathrow with specific airlines?

Can I find deals for flights from Dulles Intl to Heathrow that include hotel bookings?

How can I find direct flights from Dulles Intl to Heathrow?

Can I find deals for business class flights from Dulles Intl to Heathrow?

Can I find deals for flights from Dulles Intl to Heathrow that allow pets onboard?

Can I find deals on last-minute flights from Dulles Intl to Heathrow?

How recently were the Washington, D.C. Dulles Intl Airport to London Heathrow Airport flight deals updated?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your tripComplete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.

Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2024

Search flights from Dulles Intl to Heathrow by cabin class

Find flights from Dulles Intl to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Dulles Intl to Heathrow

Find hourly flight availability from Dulles Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 mayo 2024.

Weekly flight availability from Dulles Intl to Heathrow

Explore weekly flight availability from Dulles Intl to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 8 mayo 2024.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Heathrow?

Can Cheapflights find flights from Dulles Intl to Heathrow with no change fees?

Complete your trip
Complete your trip to Heathrow by adding a car rental and/or hotel reservation to your travel itinerary.