Cheap flights from Dulles Intl (IAD) to United Kingdom

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How to find the cheapest flight from
Dulles Intl (IAD) to United Kingdom

All the information you need to plan the best IAD to LHR flight in 2022: compare Dulles Intl to United Kingdom flight prices with the expected peak season, weather and rainfall in United Kingdom.
How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to United Kingdom?

Travelers have found it’s best to book a flight 51 days in advance to save up to 27% 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 51 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 United Kingdom 1-2 weeks in advance for as low as $812, or $927 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to United Kingdom. Flights to United Kingdom from Washington, D.C. Dulles Intl Airport in March are about $706 on average during March, but can be found for as low as $499.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to United Kingdom (IAD - GB)?

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.

Cheap flights from Dulles Intl to United Kingdom in June, July 2022

The best prices found for IAD to United Kingdom flights for June, July
18 Jul - 11 Jan
$602pp
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
 
1 STOP
LTN
London Luton
LTN
London Luton
Multiple Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
25 Jul - 11 Aug
$633pp
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
 
1 STOP
LTN
London Luton
LTN
London Luton
Multiple Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
27 Jul - 24 Aug
$636pp
IAD
Washington, D.C. Dulles Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
IAD
Washington, D.C. Dulles Intl

Washington, D.C. Dulles Intl to United Kingdom 2022 flight deals

Cheap flights to United Kingdom from Dulles Intl found for this year
12 Nov - 23 Nov
$453pp
IAD
Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington, D.C. Dulles Intl
11 Nov - 16 Nov
$458pp
IAD
Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington, D.C. Dulles Intl
12 Nov - 18 Nov
$462pp
IAD
Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington, D.C. Dulles Intl

Non-stop flights to United Kingdom from Dulles Intl

Save time with Dulles Intl to United Kingdom direct flight deals
22 Aug - 30 Aug
$597pp
IAD
Washington, D.C. Dulles Intl
United Airlines
Non-Stop
EDI
Edinburgh Turnhouse
EDI
Edinburgh Turnhouse
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
11 Oct - 20 Oct
$623pp
IAD
Washington, D.C. Dulles Intl
Iberia
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Iberia
Non-Stop
IAD
Washington, D.C. Dulles Intl
7 Sep - 13 Sep
$624pp
IAD
Washington, D.C. Dulles Intl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
IAD
Washington, D.C. Dulles Intl

Last minute flights from Dulles Intl to United Kingdom

Late deals on round-trip flights to United Kingdom from Dulles Intl, departing today and this week
3 Jul - 30 Sep
$777pp
IAD
Washington, D.C. Dulles Intl
Aer Lingus
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Aer Lingus
 
1 STOP
IAD
Washington, D.C. Dulles Intl
4 Jul - 24 Aug
$820pp
IAD
Washington, D.C. Dulles Intl
Icelandair
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
Icelandair
 
1 STOP
IAD
Washington, D.C. Dulles Intl
4 Jul - 24 Aug
$826pp
IAD
Washington, D.C. Dulles Intl
Icelandair
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Icelandair
 
1 STOP
IAD
Washington, D.C. Dulles Intl

One-way flights to United Kingdom from Washington, D.C. Dulles Intl

The cheapest one-way flights from Dulles Intl to United Kingdom
4:15 am - 2:20 am
Multiple Airlines
1 Stop
17h 05m
IAD - LGW
Multiple Airlines
3:01 am - 2:20 am
Multiple Airlines
1 Stop
18h 19m
IAD - LGW
Multiple Airlines
7:30 am - 2:25 am
Multiple Airlines
1 Stop
13h 55m
IAD - LGW
Multiple Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Dulles Intl</span> to <span class="emphasized">United Kingdom</span> flights.

Flight FAQs

From Dulles Intl to United Kingdom

Which airlines flying from Washington, D.C. Dulles Intl to United Kingdom have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Washington, D.C. Dulles Intl to United Kingdom that may be offering flexible cancellation policies are United Airlines, British Airways, 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 United Kingdom for under $500 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to United Kingdom for under $500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $453, but on average you can expect to pay $478.

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

Cheapflights has at least 20 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 $639.

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to United Kingdom for under $800?

There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to United Kingdom within the next 7 days for less than $800.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to United Kingdom?

American Airlines, Air Canada and Air France are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to United Kingdom.

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 $354. On average you can expect to pay $3,819. The most popular route, (Washington, D.C. Dulles Intl - London Heathrow), can usually be booked for $475.

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: Singapore Airlines (89%), KLM (74%), Delta( 74%).

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

Most travelers choose Washington, D.C. Dulles Intl - London Heathrow, Washington, D.C. Dulles Intl - London Gatwick or Washington, D.C. Dulles Intl - London City when deciding on the best route from Washington, D.C. Dulles Intl Airport to United Kingdom.

COVID Restrictions

View COVID Travel Restrictions for United Kingdom

Do I need a COVID test to fly to United Kingdom from Dulles Intl?

Information is based on travel restrictions from Washington, D.C. Dulles Intl to United Kingdom

Most visitors from Washington, D.C. Dulles Intl can enter United Kingdom 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 United Kingdom.

Quarantine requirements
Visitors from Washington, D.C. Dulles Intl are not required to quarantine after entering United Kingdom.

Do I need a test to fly back to Dulles Intl from United Kingdom?

Returning to Washington, D.C. Dulles Intl from United Kingdom

COVID-19 testing requirements
Visitors from United Kingdom are not required to present a negative COVID-19 PCR test or antigen result upon entering Washington, D.C. Dulles Intl.

Quarantine requirements
Visitors from United Kingdom are not required to quarantine after entering Washington, D.C. Dulles Intl.

Hide COVID Travel Restrictions for United Kingdom

Destination points for flights from Dulles Intl to United Kingdom

Select to see more specific information for flights from Dulles Intl to all places in United Kingdom.
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Destination information for United Kingdom

Things to know before you go - useful duration and weather info for your trip from Dulles Intl to United Kingdom.
Today's exchange rate
$1 = £0.82

Airports servicing Washington, D.C.

Top 10 airlines flying from Washington, D.C. Dulles Intl to United Kingdom

The chart below displays the airlines Cheapflights users traveling from Dulles Intl to United Kingdom choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$12 $21 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Air France
$238 $724 No cancel fee 77%
Virgin Atlantic
$294 $767 No cancel fee 72%
Lufthansa
$312 $789 No cancel fee 76%
Aer Lingus
$325 $736 No cancel fee N/A
KLM
$327 $735 No cancel fee 75%
Brussels Airlines
$349 $757 No cancel fee N/A
TAP AIR PORTUGAL
$352 $494 No cancel fee N/A
Delta
$356 $758 No cancel fee N/A
PLAY
$365 $558 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by PLAY. Please check directly on their website for additional information.

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