At the moment, the best time to book a non-stop flight to Washington, D.C. is in January with an average price of £598. If you're looking to fly direct to Washington, D.C. in July, expect to pay the most, with an average price of £856. Keep in mind that different factors like airlines, departure airports, and times can affect the cost of your flight, so it's a good idea to compare these to find the best deal.
January
£477
February
£497
March
£557
April
£536
May
£602
June
£681
July
£683
August
£607
September
£549
October
£521
November
£480
December
£494
Fly from
Budget
£505 - £570
Route
Depart
Return
Price
London HeathrowWashington, D.C. Dulles Intl
LHR - IAD
LHRIAD
London Heathrow
Mon 9/9
Nonstop8h 00m
Washington, D.C. Dulles Intl
Tue 24/9
Nonstop7h 20m
London HeathrowWashington, D.C. Dulles Intl
LHR - IAD
LHRIAD
London Heathrow
Wed 25/9
Nonstop8h 15m
Washington, D.C. Dulles Intl
Tue 1/10
Nonstop7h 15m
London HeathrowWashington, D.C. Dulles Intl
LHR - IAD
LHRIAD
London Heathrow
Mon 9/9
Nonstop7h 55m
Washington, D.C. Dulles Intl
Mon 23/9
Nonstop7h 15m
London HeathrowBaltimore/Washington
LHR - BWI
LHRBWI
London Heathrow
Wed 11/9
Nonstop8h 05m
Baltimore/Washington
Tue 24/9
Nonstop7h 05m
London HeathrowWashington, D.C. Dulles Intl
LHR - IAD
LHRIAD
London Heathrow
Mon 13/5
Nonstop8h 05m
Washington, D.C. Dulles Intl
Mon 20/5
Nonstop7h 15m
London HeathrowBaltimore/Washington
LHR - BWI
LHRBWI
London Heathrow
Tue 10/9
Nonstop8h 05m
Baltimore/Washington
Mon 23/9
Nonstop7h 05m
London HeathrowBaltimore/Washington
LHR - BWI
LHRBWI
London Heathrow
Mon 9/9
Nonstop8h 05m
Baltimore/Washington
Mon 23/9
Nonstop7h 05m
London HeathrowWashington, D.C. Dulles Intl
LHR - IAD
LHRIAD
London Heathrow
Mon 13/5
Nonstop7h 55m
Washington, D.C. Dulles Intl
Tue 21/5
Nonstop7h 15m
London HeathrowWashington, D.C. Dulles Intl
LHR - IAD
LHRIAD
London Heathrow
Wed 15/5
Nonstop8h 05m
Washington, D.C. Dulles Intl
Wed 29/5
Nonstop7h 15m
Food
Overall
Boarding
Crew
Comfort
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Food
Overall
Boarding
Crew
Comfort
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Food
Overall
Boarding
Crew
Comfort
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Food
Overall
Boarding
Crew
Comfort
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Food
Overall
Boarding
Crew
Comfort
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
Food
Overall
Boarding
Crew
Comfort
Entertainment
Reviews
When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
WAS Temperature | 2 - 27 °C |
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If weather is an important factor for your trip to Washington, D.C., 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).