Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $558 (Austrian Airlines) |
One-way from | $462 (Trip.com) |
Popular in | June |
Cheapest in | April |
Average price | $864 |
Fly from
Fly to
Route
Depart
Return
Price
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sat 1/18
12:05 pm-3:40 pm
Nonstop8h 35m
Washington, D.C. Dulles Intl
Sat 1/18
6:00 pm-7:25 am
1 stop32h 25m
LondonWashington, D.C.
STN - IAD
STNIAD
London Stansted
Thu 1/16
7:10 pm-3:45 pm
2 stops25h 35m
Washington, D.C. Dulles Intl
Thu 1/23
6:30 pm-9:40 pm
2 stops22h 10m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Tue 1/14
12:10 pm-3:35 pm
Nonstop8h 25m
Washington, D.C. Dulles Intl
Mon 1/27
1:53 pm-10:15 am
2 stops15h 22m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Mon 3/17
7:40 am-4:30 pm
1 stop12h 50m
Washington, D.C. Dulles Intl
Thu 3/27
7:25 pm-6:40 am
Nonstop7h 15m
LondonWashington, D.C.
LGW - IAD
LGWIAD
London Gatwick
Tue 1/14
11:55 am-6:25 pm
1 stop11h 30m
Washington, D.C. Dulles Intl
Mon 1/27
7:40 pm-10:55 am
1 stop10h 15m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Tue 4/29
7:25 am-3:00 pm
1 stop12h 35m
Washington, D.C. Dulles Intl
Tue 5/6
5:15 pm-11:45 am
1 stop13h 30m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sun 2/16
2:05 pm-3:45 pm
1 stop30h 40m
Washington, D.C. Dulles Intl
Mon 3/17
7:45 pm-7:15 am
Nonstop7h 30m
LondonWashington, D.C.
LGW - IAD
LGWIAD
London Gatwick
Mon 2/3
7:00 am-6:25 pm
2 stops16h 25m
Washington, D.C. Dulles Intl
Mon 2/10
7:40 pm-6:50 pm
2 stops18h 10m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Tue 1/14
6:30 am-9:21 pm
2 stops19h 51m
Washington, D.C. Dulles Intl
Mon 1/27
5:45 pm-8:25 am
1 stop9h 40m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Thu 1/16
9:50 am-3:40 pm
1 stop10h 50m
Washington, D.C. Dulles Intl
Tue 1/21
5:10 pm-10:20 am
1 stop12h 10m
Provider | Price Accuracy | Trust Score* |
---|---|---|
eDreams | Price Accuracy3 stars | Trust Score*3 stars |
FlightHub | Price Accuracy3 stars | Trust Score*3 stars |
AranGrant | Price Accuracy3 stars | Trust Score*2 stars |
Mytrip | Price Accuracy3 stars | Trust Score*3 stars |
Flightnetwork | Price Accuracy2 stars | Trust Score*3 stars |
Cheapflightsfares | Price Accuracy3 stars | Trust Score*1 star |
Cheapflightsfares | Price Accuracy2 stars | Trust Score*1 star |
Combigo | Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from London to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, August is the cheapest month in which you can book a flight from London to Washington, D.C. Dulles Intl Airport (average of $309). Flying from London to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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.
When flying from London to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight in the afternoon.
Travelers seeking maximum savings on their London to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from LON to IAD are scheduled on a Thursday (27 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 on average).
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.
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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Crew
Overall
Comfort
Food
Entertainment
Boarding
Reviews
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
PLAY | Cheapest$348 | Average$489 | FlexibilityNo cancel fee | On-timeN/A |
Delta | Cheapest$444 | Average$936 | FlexibilityNo cancel fee | On-timeN/A |
Aer Lingus | Cheapest$511 | Average$815 | FlexibilityNo cancel fee | On-timeN/A |
Scandinavian Airlines | Cheapest$527 | Average$743 | FlexibilityNo cancel fee | On-time77% |
Icelandair | Cheapest$529 | Average$841 | FlexibilityNo cancel fee | On-time76% |
Iberia | Cheapest$586 | Average$954 | FlexibilityNo cancel fee | On-time77% |
Virgin Atlantic | Cheapest$599 | Average$973 | FlexibilityNo cancel fee | On-time72% |
Austrian Airlines | Cheapest$608 | Average$858 | FlexibilityNo cancel fee | On-time78% |
American Airlines | Cheapest$619 | Average$728 | FlexibilityNo cancel fee | On-time71% |
British Airways | Cheapest$621 | Average$897 | FlexibilityNo cancel fee | On-time70% |