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The cheapest flights to Washington Dulles Intl. found within the past 7 days were $510 round trip and $485 one way. Prices and availability subject to change. Additional terms may apply.
|Carrier||Flight||Depart LHR||Arrive IAD||Tue |
|UA123||07:45 am||11:00 am||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare|
|BA217||11:15 am||02:15 pm||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare|
|VS21||11:35 am||02:55 pm||Check Fare|
|UA919||00:15 pm||03:20 pm||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare|
|UA925||04:40 pm||08:10 pm||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare|
|BA293||05:10 pm||08:25 pm||Check Fare||Check Fare||Check Fare||Check Fare|
|Check Fare||Check Fare|
|VS55||11:50 am||03:10 pm|
|Traveling To||Washington Dulles Intl.|
|Shortest Flight Time||8 hours 5 mins|
|Earliest Departure Time||7:45AM BST|
|Latest Departure Time||5:10PM BST|
|Lowest Flight Price||$510|
Flight path for flights from London Heathrow Airport to Washington Dulles International Airport
Airlines & Aircraft Used on LHR to IAD Flight Routes
With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times.
Airfares to Washington IAD from London LHR currently cost between $510 and $917. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply.
If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from London LHR to Washington IAD on Travelocity starting at $485. Prices and availability subject to change. Additional terms may apply.
Get to Washington faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to IAD from LHR to take around 8 hour(s) 5 min(s).
Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to IAD from LHR. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.
If you’re flexible about when you travel, October is usually the cheapest month to fly from London LHR to Washington IAD. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first.
Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to IAD from LHR have this option.
We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving.
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