22% OFF Cheap Flights to London (LON)

Expected price increase 20%
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Average price per month


  • Low Season: August
  • High Season: February
  • Prices for this route are volatile and fluctuate from month to month.
  • The cheapest flights are usually bought in August, June and November.
  • High season months are March, January and February. However, it's not the rule and you should always search current flight deals.
  • For example, the flight from Dulles to London is currently 22% cheaper than average.

Price increase as travel date approaches


  • Flight prices for this route increase by 39% if you book last minute. Hover on the graph above to see for yourself!.
  • To grab the lowest price possible, you should buy your flight around 53 days before departure!
  • Consider booking at least 17 days before departure to increase your chances of getting a low price.
  • Generally, it's safe to book between 90 and 60 days in advance.

Dulles to London Flight Information

Flights Depart FromDulles (IAD)
Flights Arriving ToLondon (LHR)
Distance5902.88 km
Current Discount22 %
Average Price $705.72
Good Deal $482.82
Cheapest AirlinesSAS, Icelandair
Popular AirlinesVirgin Atlantic Airways, Aeroflot, KLM Royal Dutch Airlines, Delta Air Lines, Swiss International Air Lines, Finnair, Lufthansa, Aer Lingus, Air France, Austrian Airlines
Flight Duration07 hours 34 minutes
Flights Depart From
Dulles (IAD)
Flights Arrive In
London (LHR)
Distance
5902.88 km
Flight Duration
07 hours 34 minutes
Current Discount
22 %
Average Price
$705.72
Good Deal
$482.82
Cheapest Airlines
SAS, Icelandair
Popular Airlines
Virgin Atlantic Airways, Aeroflot, KLM Royal Dutch Airlines, Delta Air Lines, Swiss International Air Lines, Finnair, Lufthansa, Aer Lingus, Air France, Austrian Airlines

Most Reliable Airlines flying to London

Airline Overall Rating On time arrival Check-in & Boarding Cleanliness Customer Service Food & Beverage Entertainment Legroom Seat Comfort
Virgin Atlantic Airways Virgin Atlantic Airways 4.1 4.0 4.5 4.0 4.5 4.0 4.0 4.0 4.0
Aeroflot Aeroflot 3.9 - 4.0 4.5 4.0 4.0 3.0 4.0 4.0
KLM Royal Dutch Airlines KLM Royal Dutch Airlines 3.9 4.0 4.0 4.0 4.0 4.0 3.5 4.0 3.5
Delta Air Lines Delta Air Lines 3.8 4.5 4.0 4.0 4.0 3.5 4.0 3.5 3.5
Swiss International Air Lines Swiss International Air Lines 3.8 3.5 4.0 4.5 4.0 4.0 3.5 3.5 3.5
Finnair Finnair 3.7 4.0 4.0 4.0 4.0 3.5 3.0 3.5 3.5
Lufthansa Lufthansa 3.7 3.5 4.0 4.0 4.0 3.5 3.5 3.5 3.5
Aer Lingus Aer Lingus 3.6 - 4.0 4.0 4.0 3.5 3.0 3.5 3.5
Air France Air France 3.6 4.0 3.5 4.0 3.5 3.5 3.5 3.5 3.5
Austrian Airlines Austrian Airlines 3.6 3.5 4.0 4.0 4.0 3.5 3.0 3.5 3.5
Overall Rating
4.0
On time arrival
4.0
Check-in & Boarding
4.5
Cleanliness
4.0
Customer Service
4.5
Food & Beverage
4.0
Entertainment
4.0
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
-
Check-in & Boarding
4.0
Cleanliness
4.5
Customer Service
4.0
Food & Beverage
4.0
Entertainment
3.0
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
4.0
Entertainment
3.5
Legroom
4.0
Seat Comfort
3.5
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
4.0
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.5
Customer Service
4.0
Food & Beverage
4.0
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
-
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.5
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5

Good to know:


  • London International is the major airport in London and surrounding area.

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How to get the cheapest flight to London?

Currently there is a 22% discount on flights to London. This price won't stay too long and you should consider buying now.

Flight prices for this route are expected to go up by 20%.

Search and compare flight options now!.

Awesome Deals

notifications_active In the past few days the following airlines offered the lowest prices from Dulles to London: SAS and Icelandair..

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