Cheap flights from Dulles Intl (IAD) to London (LON)
How to find the cheapest flight from Dulles Intl to London
All the information you need to plan the best IAD to LON flight in 2022: compare Dulles Intl to London flight prices with the expected peak season, weather and rainfall in London.
IAD - LON Price | $634 - $863 |
|---|---|
LON Temperature | 39.2 - 62.6 °F |
LON Rainfall | 1.6 - 2.8 inches |
| Popular in | June | High demand for flights, 18% potential price rise |
|---|---|---|
| Cheapest in | October | Best time to find cheap flights, 10% potential price drop |
| Round-trip from | $634 | From Washington, D.C. Dulles Intl to London (LON) |
| One-way from | $283 | One-way flight from Washington, D.C. Dulles Intl to London (LON) |
How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to London?
Travelers have found it’s best to book a flight 48 days in advance to save up to 49% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to London 1-2 weeks in advance for as low as $825, or $1,055 for flights within the next 24 hours.
What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to London?
The best pricing can be found in the month of October. Prices to London from Washington, D.C. Dulles Intl Airport average $708. You can even find prices in October for less than $708, as users have found deals to London from as low as $565. The month of June appears to be one of the more expensive times to travel to London from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 25%.
When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to London (IAD - LON)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to London as you normally would.
Cheap flights from Dulles Intl to London in May, June 2022
The best prices found for IAD to LON flights for May, June
Washington, D.C. Dulles Intl
London Stansted
2 stops
20h 10mLondon Stansted
Washington, D.C. Dulles Intl
2 stops
19h 00mMultiple Airlines
Washington, D.C. Dulles Intl
London Stansted
2 stops
24h 35mLondon Stansted
Washington, D.C. Dulles Intl
2 stops
19h 00mMultiple Airlines
Washington, D.C. Dulles Intl
London Stansted
2 stops
24h 35mLondon Stansted
Washington, D.C. Dulles Intl
2 stops
27h 25mMultiple Airlines
Dulles Intl to London 2022 flight deals
Cheap flights to London from Dulles Intl found for this year
Washington, D.C. Dulles Intl
London Heathrow
1 stop
17h 45mLondon Heathrow
Washington, D.C. Dulles Intl
1 stop
23h 30mScandinavian Airlines
Washington, D.C. Dulles Intl
London Heathrow
1 stop
17h 45mLondon Heathrow
Washington, D.C. Dulles Intl
1 stop
23h 30mScandinavian Airlines
Washington, D.C. Dulles Intl
London Heathrow
1 stop
17h 45mLondon Heathrow
Washington, D.C. Dulles Intl
1 stop
23h 30mScandinavian Airlines
Cheap Scandinavian Airlines flights from Dulles Intl to London
Washington, D.C. Dulles Intl
London Heathrow
1 stop
17h 45mLondon Heathrow
Washington, D.C. Dulles Intl
1 stop
23h 30mScandinavian Airlines
Washington, D.C. Dulles Intl
London Heathrow
1 stop
17h 45mLondon Heathrow
Washington, D.C. Dulles Intl
1 stop
23h 30mScandinavian Airlines
Washington, D.C. Dulles Intl
London Heathrow
1 stop
17h 45mLondon Heathrow
Washington, D.C. Dulles Intl
1 stop
23h 30mScandinavian Airlines
If you’re traveling from Washington, D.C. Dulles Intl Airport to London, one of the more common airlines traveling that route is Scandinavian Airlines. Flights from Scandinavian Airlines traveling this route typically cost $746.40 RT. This price is typically 51% more expensive than other airlines that offer Washington, D.C. Dulles Intl Airport to London flights. When booking this route, the cheapest RT price found was $573. When traveling from Washington, D.C. Dulles Intl Airport to London on Scandinavian Airlines, the most popular airport to depart from is Washington, D.C. Dulles Intl Airport and the most popular airport to arrive at is London Heathrow Airport. When flying from Washington, D.C. Dulles Intl Airport to London, Scandinavian Airlines flights are 12% more popular than any other airline flying that same route.
Cheap Icelandair flights from Dulles Intl to London
Washington, D.C. Dulles Intl
London Gatwick
1 stop
10h 15mLondon Gatwick
Washington, D.C. Dulles Intl
1 stop
11h 05mIcelandair
Washington, D.C. Dulles Intl
London Gatwick
1 stop
10h 10mLondon Gatwick
Washington, D.C. Dulles Intl
1 stop
11h 00mIcelandair
Washington, D.C. Dulles Intl
London Gatwick
1 stop
10h 15mLondon Gatwick
Washington, D.C. Dulles Intl
1 stop
11h 05mIcelandair
One of the most popular airlines traveling from Washington, D.C. Dulles Intl Airport to London is Icelandair. Washington, D.C. Dulles Intl Airport to London flights are typically 70% cheaper than other airlines traveling the same route. Flights from Icelandair typically cost $766.97 RT. The cheapest Icelandair flight found for this route was $581. The most popular departure airport in Washington, D.C. Dulles Intl Airport when flying to London is Washington, D.C. Dulles Intl Airport. The most popular airport to fly into when visiting London is London Heathrow Airport. When flying from Washington, D.C. Dulles Intl Airport to London, Icelandair flights are 7% more popular than any other airline flying that same route.
Non-stop flights to London from Dulles Intl
Save time with Dulles Intl to London direct flight deals
Washington, D.C. Dulles Intl
London Heathrow
Nonstop
7h 25mLondon Heathrow
Washington, D.C. Dulles Intl
Nonstop
8h 20mVirgin Atlantic
Washington, D.C. Dulles Intl
London Heathrow
Nonstop
7h 25mLondon Heathrow
Washington, D.C. Dulles Intl
Nonstop
8h 20mVirgin Atlantic
Washington, D.C. Dulles Intl
London Heathrow
Nonstop
7h 15mLondon Heathrow
Washington, D.C. Dulles Intl
Nonstop
8h 15mBritish Airways
Last minute flights from Dulles Intl to London
Late deals on return flights to London from Dulles Intl, departing today and this week
Washington, D.C. Dulles Intl
London Gatwick
2 stops
18h 20mLondon Gatwick
Washington, D.C. Dulles Intl
2 stops
17h 40mMultiple Airlines
Washington, D.C. Dulles Intl
London Stansted
2 stops
20h 10mLondon Stansted
Washington, D.C. Dulles Intl
2 stops
30h 00mMultiple Airlines
Washington, D.C. Dulles Intl
London Luton
1 stop
21h 15mLondon Luton
Washington, D.C. Dulles Intl
1 stop
20h 40mMultiple Airlines
One-way flights to London All airports from Dulles Intl
The cheapest one-way flights from Dulles Intl to London
Washington, D.C. Dulles Intl
London Gatwick
1 stop
12h 35mTAP AIR PORTUGAL
Washington, D.C. Dulles Intl
London Heathrow
1 stop
10h 20mIcelandair
Washington, D.C. Dulles Intl
London Gatwick
1 stop
10h 15mIcelandair
Related info for your journey
Useful info, stats and facts about Dulles Intl to London flights.
Which airlines flying from Washington, D.C. Dulles Intl to London have flexible cancellations due to COVID-19?
Some of the carriers operating flights from Washington, D.C. Dulles Intl to London that may be offering flexible cancellation policies are British Airways, United Airlines, and Lufthansa. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.
Can I find flights from Washington, D.C. Dulles Intl Airport to London for under $400 on Cheapflights?
Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to London for under $400. The cheapest flight booked recently is on Scandinavian Airlines for just $384, but on average you can expect to pay $401.
Are there nonstop flights from Washington, D.C. Dulles Intl Airport to London for under $600 on Cheapflights?
Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to London under $600. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to London is less than $630.
Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to London for under $700?
There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to London within the next 7 days for less than $700.
What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to London?
Nonstop flights can be found on the following days: Monday, Saturday.
How many flights depart from Washington, D.C. Dulles Intl Airport to London on average per day?
Travelers can expect 4 flights from Washington, D.C. Dulles Intl Airport to London on average per day.
Evening (6pm - Midnight) - 100% of flight departures
How long is the flight from Washington, D.C. Dulles Intl Airport to London?
Airlines like Scandinavian Airlines and TAP AIR PORTUGAL fly from Washington, D.C. Dulles Intl Airport to London in about 12h 35m. The time it takes to get you to your destination can typically vary by up to 5h 10m. Washington, D.C. Dulles Intl Airport and London are separated by a distance of 3687 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to London round-trip?
According to our current data, Scandinavian Airlines ($384), and TAP AIR PORTUGAL ($432) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to London. Scandinavian Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to London one-way?
The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $261. However, be on the lookout for offers from Icelandair and Austrian Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to London for a low price.
What are the most popular routes from Washington, D.C. Dulles Intl Airport to London?
When deciding which route to take from Washington, D.C. Dulles Intl Airport to London consider Washington, D.C. Dulles Intl - London Heathrow, Washington, D.C. Dulles Intl - London Gatwick or Washington, D.C. Dulles Intl - London City as they are the most popular.
What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to London?
The most popular airlines flying from Washington, D.C. Dulles Intl Airport to London are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to London?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to London on time: Air France (73%), Virgin Atlantic (73%), Air Canada (72%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to London?
While on average a flight from Washington, D.C. Dulles Intl Airport to London is generally $2,572, our data shows the cheapest flight currently is $332. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay $384 for that flight.
Other flights from Dulles Intl
Can I fly to London from Washington, D.C. Dulles Intl right now?
Most visitors from Washington, D.C. Dulles Intl can enter London without restrictions.
COVID-19 testing requirements
Visitors from Washington, D.C. Dulles Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering London.
Quarantine requirements
Visitors from Washington, D.C. Dulles Intl are not required to quarantine after entering London.
Can I fly back to Washington, D.C. Dulles Intl from London?
COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Washington, D.C. Dulles Intl.
Quarantine requirements
Visitors from London are not required to quarantine after entering Washington, D.C. Dulles Intl.
Alternative routes for Dulles Intl to London
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Dulles Intl to London
The chart below displays the airlines Cheapflights users traveling from Dulles Intl to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Hourly flight availability from Dulles Intl to London
See what time of day planes typically take off from Dulles Intl to London
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 12%of flight departures | Morning6 am to noon |
| 54%of flight departures | AfternoonNoon to 6 pm |
| 33%of flight departures | Evening6 pm to midnight |
Weekly flight availability from Dulles Intl to London
See how many times per day planes take to the skies headed from Dulles Intl to London
| Sunday | 16daily flights |
|---|---|
| Monday | 22daily flights |
| Tuesday | 27daily flights |
| Wednesday | 26daily flights |
| Thursday | 16daily flights |
| Friday | 12daily flights |
| Saturday | 17daily flights |