United Kingdom

$180+ Cheap flights from Dulles Intl (IAD) to the United Kingdom

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
Nov 4 — Nov 111
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Find flight deals from Dulles Intl to United Kingdom

Cheapest flights from Dulles Intl to United Kingdom
Explore the most affordable flight options available from Dulles Intl to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2024.

This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:40 pmIAD - GLA
1 stop9h 15mIcelandair
Wed 12/1812:35 pmGLA - IAD
1 stop10h 50mIcelandair
Deal found 10/29$509
This PLAY deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/106:10 pmIAD - LGW
1 stop16h 00mMultiple Airlines
Sun 11/177:00 amLGW - IAD
1 stop15h 00mMultiple Airlines
Deal found 10/29$565
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/115:10 pmIAD - LHR
2 stops14h 45mScandinavian Airlines
Thu 11/216:40 amLHR - IAD
1 stop14h 00mScandinavian Airlines
Deal found 10/29$565
This Icelandair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:40 pmIAD - LGW
1 stop10h 15mIcelandair
Fri 12/1311:55 amLGW - IAD
1 stop11h 30mIcelandair
Deal found 10/29$567
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/167:40 pmIAD - LHR
1 stop10h 10mIcelandair
Sat 1/1812:15 pmLHR - IAD
1 stop11h 10mIcelandair
Deal found 10/29$568
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/27:15 pmIAD - LGW
1 stop15h 30mTAP AIR PORTUGAL
Thu 12/53:55 pmLGW - IAD
1 stop34h 05mTAP AIR PORTUGAL
Deal found 10/29$570
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/76:10 pmIAD - STN
1 stop10h 50mPLAY
Sat 11/1611:00 amSTN - IAD
1 stop11h 00mPLAY
Deal found 10/29$575
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/126:10 pmIAD - LHR
3 stops34h 25mMultiple Airlines
Tue 11/196:40 amLHR - IAD
2 stops15h 20mMultiple Airlines
Deal found 10/29$578
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/285:30 pmIAD - LTN
2 stops23h 50mMultiple Airlines
Wed 12/46:00 pmLTN - IAD
2 stops26h 00mMultiple Airlines
Deal found 10/28$579
This oojo deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:30 pmIAD - LHR
1 stop24h 10mTAP AIR PORTUGAL
Thu 12/54:30 pmLHR - IAD
1 stop33h 30mTAP AIR PORTUGAL
Deal found 10/30$580
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/257:40 pmIAD - MAN
1 stop10h 05mIcelandair
Fri 12/611:55 amMAN - IAD
1 stop11h 30mIcelandair
Deal found 10/29$584
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/99:55 pmIAD - GLA
1 stop10h 00mBritish Airways
Thu 12/191:40 pmGLA - IAD
1 stop11h 05mBritish Airways
Deal found 10/29$589

Find flights from Dulles Intl to United Kingdom within your budget

Customize your flight search to find flights from Dulles Intl to United Kingdom 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 2,570,725 searches. Data last updated October 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$333 - $609

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLondon Luton

IAD - LTN

IADLTN

Washington, D.C. Dulles Intl

Mon 3/10

1 stop14h 45m

London Luton

Fri 3/21

1 stop14h 45m

$333

Washington, D.C. Dulles IntlLondon Stansted

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 3/3

1 stop10h 50m

London Stansted

Sun 3/16

1 stop11h 00m

$353

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 11/16

1 stop17h 50m

London Heathrow

Tue 11/19

1 stop26h 00m

$460

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 12/1

1 stop18h 50m

London Heathrow

Mon 12/9

1 stop11h 10m

$481

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 2/4

1 stop14h 10m

London Heathrow

Thu 2/27

1 stop14h 00m

$484

Washington, D.C. Dulles IntlManchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Fri 11/15

1 stop13h 45m

Manchester

Sun 11/17

2 stops32h 46m

$531

Washington, D.C. Dulles IntlManchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Fri 12/6

1 stop16h 25m

Manchester

Sun 12/8

1 stop31h 44m

$551

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 2/4

Nonstop7h 10m

London Heathrow

Thu 2/27

Nonstop8h 25m

$571

Washington, D.C. Dulles IntlGlasgow Intl

IAD - GLA

IADGLA

Washington, D.C. Dulles Intl

Mon 12/9

1 stop10h 00m

Glasgow Intl

Thu 12/19

1 stop11h 05m

$589

Washington, D.C. Dulles IntlManchester

IAD - MAN

IADMAN

Washington, D.C. Dulles Intl

Tue 11/19

1 stop16h 20m

Manchester

Sun 11/24

1 stop12h 40m

$592

Washington, D.C. Dulles IntlLondon Heathrow

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 12/4

Nonstop7h 30m

London Heathrow

Mon 12/9

1 stop33h 00m

$603

Washington, D.C. Dulles IntlLondon City

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Thu 3/20

1 stop13h 15m

London City

Wed 3/26

1 stop27h 00m

$609

Flights are sorted by cheapest first

Deals found on 10/29

Best time to book a flight from Dulles Intl to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Dulles Intl with our price prediction graph.
Estimated round-trip 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 Dulles Intl to United Kingdom

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

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to United Kingdom (average of $649). Flying from Washington, D.C. Dulles Intl Airport to United Kingdom in June is currently the most expensive (average of $1,089). 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 IAD to GB?

Find hourly flight availability from Dulles Intl to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2024.

When flying from Washington, D.C. Dulles Intl Airport to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit United Kingdom when rainfall is around 1.6 in.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated October 30, 2024.
See what other customers who have flown with TAP AIR PORTUGAL, Iberia and Lufthansa from Washington, D.C. to United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,836 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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
8,836 reviews
8.0
Very good
8,836 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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
1,352 reviews
8.0
Very good
8,836 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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
1,318 reviews
8.0
Very good
8,836 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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
831 reviews
8.0
Very good
8,836 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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
1,641 reviews
8.0
Very good
8,836 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

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 Dulles Intl to United Kingdom. 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 United Kingdom for under $400 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to United Kingdom for under $400. The cheapest flight booked recently is on Multiple Airlines for just $333, but on average you can expect to pay $474.

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

    Cheapflights has at least 12 direct flights from Washington, D.C. Dulles Intl Airport to United Kingdom under $600. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to United Kingdom is less than $697.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to United Kingdom for under $600?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to United Kingdom within the next 7 days for less than $600.

  • What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to United Kingdom?

    Days when nonstop flights are available for this flight are: Sunday, Monday, Wednesday, Thursday, Friday, Saturday.

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

    26 flight departures from Washington, D.C. Dulles Intl Airport to United Kingdom per day on average.
    Evening (6pm - Midnight) - 100% of flight departures

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

    Airlines like PLAY, Scandinavian Airlines, and Icelandair fly from Washington, D.C. Dulles Intl Airport to United Kingdom in about 10h 50m. The time it takes to get you to your destination can typically vary by up to 8h. The distance between Washington, D.C. Dulles Intl Airport and United Kingdom is about 3687 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $180 on Icelandair. Other airlines that offer cheap prices include PLAY from $254 and TAP AIR PORTUGAL from $303 one-way.

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

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

    Before booking your flight to United Kingdom from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: SWISS (53%), Air Canada (53%), Austrian Airlines( 53%).

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to United Kingdom is $376. On average you can expect to pay $2,179. The most popular route, (Washington, D.C. Dulles Intl - London Heathrow), can usually be booked for $462.

  • What does IAD to LHR mean?

    IAD and LHR are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. IAD to LHR refers to a flight route from Washington, D.C. Dulles Intl Airport to London Heathrow Airport. Manchester Airport (MAN), Edinburgh Turnhouse Airport (EDI), Birmingham Airport (BHX), London Gatwick Airport (LGW), Glasgow Intl Airport (GLA) are some additional IATA codes for airports related to your trip.

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

    The amount of baggage you can bring on your Dulles Intl to United Kingdom 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 Dulles Intl to United Kingdom with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to United Kingdom 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 Dulles Intl to United Kingdom that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to United Kingdom 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 Dulles Intl to United Kingdom that allow pets onboard?

    Many airlines flying from Dulles Intl to United Kingdom 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 Dulles Intl to United Kingdom?

    Yes, you can often find last-minute deals on Dulles Intl to United Kingdom 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 Washington, D.C. Dulles Intl Airport to United Kingdom flight deals updated?

    The Washington, D.C. Dulles Intl Airport to United Kingdom flight deals you see on this page were last updated on 10/30.

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to United Kingdom (average of $649). Flying from Washington, D.C. Dulles Intl Airport to United Kingdom in June is currently the most expensive (average of $1,089). 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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Alternative routes for Dulles Intl to United Kingdom

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Dulles Intl to United Kingdom

Discover the top 10 airlines that operate flights from Dulles Intl to United Kingdom. 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 2,570,725 searches. Data last updated October 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$354Average$830FlexibilityNo cancel feeOn-time75%
PLAYCheapest$366Average$498FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$394Average$578FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$470Average$646FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$479Average$738FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$485Average$725FlexibilityNo cancel feeOn-time76%
FinnairCheapest$531Average$694FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$533Average$836FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$573Average$855FlexibilityNo cancel feeOn-time71%
DeltaCheapest$575Average$831FlexibilityNo cancel feeOn-timeN/A
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