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Cheap flights from London to Washington, D.C. Dulles Intl Airport from £177

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAD
27 Oct — 3 Nov1
1 adult

The best prices from London to Washington, D.C. Dulles Intl are usually found in November or April, booked 75 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from London to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 October 2024.

Round-trip from

£286

One-way from

£177

Popular in

June

Cheapest in

November
PLAY
  • PLAY
  • 18/3-25/3
  • 2 total stops
  • 21h 50m total
  • London to Washington, D.C.
8/3
  • 8/3
  • 1 total stop
  • 15h 35m total
  • London to Washington, D.C.
High demand for flights, 19% potential price rise
Best time to find cheap flights, 16% potential price drop

Find flight deals from London to Dulles Intl

Cheapest flights from London to Dulles Intl
Explore the most affordable flight options available from London to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2024.

Fri 6/1206:50LGW - IAD
2 stops19h 10mMultiple Airlines
Sun 8/1222:30IAD - LGW
2 stops17h 35mMultiple Airlines
Deal found 21/10£416
Sat 2/1111:00STN - IAD
1 stop11h 00mPLAY
Sat 9/1118:10IAD - STN
1 stop10h 50mPLAY
Deal found 21/10£422
Fri 6/1212:25LHR - IAD
1 stop13h 35mTAP AIR PORTUGAL
Tue 10/1217:30IAD - LHR
1 stop14h 10mTAP AIR PORTUGAL
Deal found 21/10£423
Sat 9/1107:50LHR - IAD
2 stops14h 10mMultiple Airlines
Sat 16/1118:10IAD - LHR
2 stops14h 15mMultiple Airlines
Deal found 19/10£425
Sun 24/1106:00LTN - IAD
1 stop16h 00mMultiple Airlines
Sat 30/1118:10IAD - LTN
1 stop13h 50mMultiple Airlines
Deal found 20/10£426
Sat 23/1108:10STN - IAD
2 stops37h 50mMultiple Airlines
Tue 3/1218:10IAD - STN
1 stop10h 50mMultiple Airlines
Deal found 21/10£437
Fri 6/1210:40LGW - IAD
1 stop15h 20mTAP AIR PORTUGAL
Mon 9/1219:15IAD - LGW
1 stop15h 30mTAP AIR PORTUGAL
Deal found 20/10£439
Wed 4/1220:30LHR - IAD
1 stop24h 10mScandinavian Airlines
Mon 13/117:10IAD - LHR
1 stop19h 30mScandinavian Airlines
Deal found 20/10£450
Tue 19/1108:50LHR - IAD
1 stop11h 50mAer Lingus
Tue 26/1121:15IAD - LHR
1 stop9h 10mAer Lingus
Deal found 20/10£470
Sat 16/1114:30LHR - IAD
1 stop29h 43mUnited Airlines
Sun 17/1117:35IAD - LHR
1 stop9h 50mUnited Airlines
Deal found 20/10£478
Mon 18/1111:55LGW - IAD
1 stop11h 25mIcelandair
Mon 25/1119:40IAD - LGW
1 stop10h 15mIcelandair
Deal found 21/10£484
Sat 2/1118:00LHR - IAD
1 stop20h 46mLufthansa
Mon 11/1117:35IAD - LHR
1 stop10h 35mLufthansa
Deal found 20/10£492

Find flights from London to Dulles Intl within your budget

Customise your flight search to find flights from London to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 1,032,068 searches. Data last updated 22 October 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£286 - £632

Route

Depart

Return

Price

London StanstedWashington, D.C. Dulles Intl

STN - IAD

STNIAD

London Stansted

Tue 18/3

1 stop11h 00m

Washington, D.C. Dulles Intl

Tue 25/3

1 stop10h 50m

£286

London LutonWashington, D.C. Dulles Intl

LTN - IAD

LTNIAD

London Luton

Wed 19/3

1 stop14h 15m

Washington, D.C. Dulles Intl

Sun 23/3

1 stop15h 20m

£290

London GatwickWashington, D.C. Dulles Intl

LGW - IAD

LGWIAD

London Gatwick

Fri 24/1

1 stop11h 25m

Washington, D.C. Dulles Intl

Mon 3/2

1 stop10h 15m

£354

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Tue 18/3

1 stop13h 30m

Washington, D.C. Dulles Intl

Tue 25/3

1 stop14h 10m

£410

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Wed 4/12

1 stop24h 10m

Washington, D.C. Dulles Intl

Mon 13/1

1 stop19h 30m

£450

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Tue 19/11

1 stop11h 50m

Washington, D.C. Dulles Intl

Tue 26/11

1 stop9h 10m

£470

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Sat 16/11

1 stop29h 43m

Washington, D.C. Dulles Intl

Sun 17/11

1 stop9h 50m

£478

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Sat 2/11

1 stop20h 46m

Washington, D.C. Dulles Intl

Mon 11/11

1 stop10h 35m

£492

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Thu 7/11

2 stops49h 05m

Washington, D.C. Dulles Intl

Sat 9/11

1 stop37h 00m

£509

London HeathrowWashington, D.C. Dulles Intl

LHR - IAD

LHRIAD

London Heathrow

Thu 26/12

Nonstop8h 25m

Washington, D.C. Dulles Intl

Tue 31/12

2 stops19h 56m

£540

London CityWashington, D.C. Dulles Intl

LCY - IAD

LCYIAD

London City

Mon 25/11

1 stop12h 20m

Washington, D.C. Dulles Intl

Thu 16/1

1 stop11h 05m

£628

London CityWashington, D.C. Dulles Intl

LCY - IAD

LCYIAD

London City

Wed 20/11

1 stop10h 45m

Washington, D.C. Dulles Intl

Wed 27/11

1 stop9h 35m

£632

Flights are sorted by cheapest first

Deals found on 21/10

Best time to book a flight from London to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from London to Dulles Intl

Get recent, data-driven insights about flights from London to Dulles Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from London to Dulles Intl. Price data was last updated on 18 October 2024.

The best time to book flights from London to Washington, D.C. Dulles Intl Airport is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London to Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London to Washington, D.C. Dulles Intl Airport (average of £606). Flying from London to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £898). 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.

What is the cheapest time of day to fly from LON to IAD?

Find hourly flight availability from London to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 October 2024.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% on flights from London to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly return from London to Dulles Intl. Price data was last updated on 2 June 2024.

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

Weekly flight availability from London to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from London to Dulles Intl. 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 22 October 2024.

The most flights from LON to IAD are scheduled on a Monday (27 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (22 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 22 October 2024.
Get a feel of what it's like to fly with Icelandair, Scandinavian Airlines and Aer Lingus from London to Washington, D.C. by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,892 reviews

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

8.0
Very Good
8,892 reviews
8.0
Very Good
8,892 reviews

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

7.8
Good
1,360 reviews
8.0
Very Good
8,892 reviews

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

7.7
Good
1,321 reviews
8.0
Very Good
8,892 reviews

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

7.7
Good
839 reviews
8.0
Very Good
8,892 reviews

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

7.6
Good
1,646 reviews
8.0
Very Good
8,892 reviews

Crew

8.6

Overall

8.0

Food

7.4

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from London to Dulles Intl. 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 London to Washington, D.C. Dulles Intl Airport for under £300 on Cheapflights?

    Yes, there are multiple flights from London to Washington, D.C. Dulles Intl Airport for under £300. The cheapest flight booked recently is on PLAY for just £286, but on average you can expect to pay £474.

  • Are there nonstop flights from London to Washington, D.C. Dulles Intl Airport for under £600 on Cheapflights?

    Cheapflights has at least 11 direct flights from London to Washington, D.C. Dulles Intl Airport under £600. A good price for a nonstop flight from London to Washington, D.C. Dulles Intl Airport is less than £597.

  • Are there last-minute flights available from London to Washington, D.C. Dulles Intl Airport for under £500?

    There are currently 20+ open flights from London to Washington, D.C. Dulles Intl Airport within the next 7 days for less than £500.

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

    You can find direct flights on the following days: Friday, Saturday.

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

    On average 15 flights depart from London to Washington, D.C. Dulles Intl Airport per day.
    Morning (6am - Midday) - 60% of flight departures
    Afternoon (Midday - 6pm) - 40% of flight departures

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

    For as low as £286, PLAY can have you in Washington, D.C. Dulles Intl Airport from London in 11h. London and Washington, D.C. Dulles Intl Airport are separated by a distance of 3687 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Our cheapest airline available from London to Washington, D.C. Dulles Intl Airport is PLAY. Our recent data shows that you can find tickets from as low as £286 on this airline. Additional options worth looking into are Icelandair and TAP AIR PORTUGAL, starting at £354 and £410 round-trip. Users have found that PLAY is 50% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is PLAY, with whom users have recently found tickets for as low as £206. However, be on the lookout for offers from WorldTicket and Icelandair, as they are both options that can get you from London to Washington, D.C. Dulles Intl Airport for a low price.

  • What are the most popular routes from London to Washington, D.C. Dulles Intl Airport?

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from London, check out the most reliable airlines to get you to your destination on time: Air Canada (76%), Austrian Airlines (76%), Copa Airlines( 76%).

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

    On average you can expect to pay £1,315 for a flight from London to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is £447 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £389.

  • What does LHR to IAD mean?

    London Heathrow Airport is LHR and Washington, D.C. Dulles Intl Airport is IAD. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • Where are the most common stopover locations when flying from London to Washington, D.C. Dulles Intl Airport?

  • What are some popular things to do or see while on a stopover in Reykjavik?

    Harpa, National Cathedral, and Hallgrímskirkja are currently the most popular points of interest in Reykjavik at the moment. Those on a stopover in Reykjavik interested in visiting Harpa, National Cathedral, or Hallgrímskirkja can do so by traveling 23.3 mi, 23.0 mi, and 23.2 mi, respectively from Reykjavik Keflavik Intl. Those looking to explore during their stopover in Reykjavik can hire a car from Reykjavik Keflavik Intl for about £39 per day.

  • Where are the least popular stopover locations for London to Washington, D.C. Dulles Intl Airport flights?

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

    The amount of baggage you can bring on your London to Dulles Intl 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.

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

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

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

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

  • How can I find direct flights from London to Dulles Intl?

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

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

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

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

    Many airlines flying from London to Dulles Intl 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.

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

    Yes, you can often find last-minute deals on London to Dulles Intl 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.

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

    The London to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 21/10.

  • What is the cheapest month to book a flight from London to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London to Washington, D.C. Dulles Intl Airport (average of £606). Flying from London to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £898). 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.

See more FAQs

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Fly from London to Dulles Intl on these airlines
Choose from the following airlines for your flight from London to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 22 October 2024.

Top 10 airlines flying from London to Dulles Intl

Discover the top 10 airlines that operate flights from London to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 1,032,068 searches. Data last updated 22 October 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£257Average£424FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
DeltaCheapest£329Average£645FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LufthansaCheapest£370Average£635FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£371Average£644FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£374Average£549FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
American AirlinesCheapest£376Average£450FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£382Average£581FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£390Average£609FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£393Average£737FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Scandinavian AirlinesCheapest£405Average£540FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

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

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

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 Dulles Intl from London today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Dulles Intl.

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

Certainly. Search results for flights to Dulles Intl from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from London to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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