Cheap flights from LHR to IAD (Heathrow to Washington Dulles Intl.)

Earn rewards on top of your airline miles with Orbitz Rewards

Many airlines offer flexible change policies

Sign up to receive text alerts about your trip

Cheap Flights from LHR to IAD starting at $318 One Way, $543 Round Trip

Prices starting at $543 for return flights and $318 for one-way flights to Washington Dulles Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 2 - Sat, Jul 11
LHR
London
IAD
Washington
$543 Roundtrip, found 2 hours ago
$543
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Thu, Jul 2 from London to Washington, returning Sat, Jul 11, priced at $543 found 2 hours ago
Sat, Oct 24 - Fri, Oct 30
LHR
London
IAD
Washington
$548 Roundtrip, found 3 days ago
$548
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sat, Oct 24 from London to Washington, returning Fri, Oct 30, priced at $548 found 3 days ago
Thu, Oct 1 - Wed, Oct 7
LHR
London
IAD
Washington
$590 Roundtrip, found 7 hours ago
$590
Roundtrip
found 7 hours ago
Select Swiss International Air Lines flight, departing Thu, Oct 1 from London to Washington, returning Wed, Oct 7, priced at $590 found 7 hours ago
Thu, Oct 29 - Tue, Nov 10
LHR
London
IAD
Washington
$592 Roundtrip, just found
$592
Roundtrip
just found
Select Austrian Airlines flight, departing Thu, Oct 29 from London to Washington, returning Tue, Nov 10, priced at $592 just found
Thu, Oct 29 - Tue, Nov 10
LHR
London
IAD
Washington
$596 Roundtrip, just found
$596
Roundtrip
just found
Select Lufthansa flight, departing Thu, Oct 29 from London to Washington, returning Tue, Nov 10, priced at $596 just found

Hotel Ideas near Washington Dulles Intl.

Hotels In Washington

Wingate by Wyndham Chantilly / Dulles Airport

Wingate by Wyndham Chantilly / Dulles Airport

3 out of 5
3940 Centerview Dr Chantilly VA
$107 nightly
The price is $123 total per night from Jul 5 to Jul 6
$123 total
Jul 5 - Jul 6
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the breakfast and ...
8.2/10 Very Good! (1,476 reviews)
"No coffee maker no bottled"

Reviewed on Jun 19, 2026

Wingate by Wyndham Chantilly / Dulles Airport
MainStay Suites Washington Dulles Airport

MainStay Suites Washington Dulles Airport

2.5 out of 5
4506 Brookfield Corporate Dr Chantilly VA
$75 nightly
The price is $86 total per night from Jun 21 to Jun 22
$86 total
Jun 21 - Jun 22
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Fair Oaks Mall and Chantilly ...
7.4/10 Good! (323 reviews)
"While there are signs about furniture being upgraded the conditions inside are run down. Paint pealing off walls and cabinets, shower rod hanging off wall. But worst part of the stay is a completely unacceptable lumpy springing mattress with zero support or comfort. I would have rathered sleep in ..."

Reviewed on Jun 17, 2026

MainStay Suites Washington Dulles Airport
Sheraton Pentagon City Hotel

Sheraton Pentagon City Hotel

3.5 out of 5
900 S Orme St Arlington VA
$109 nightly
The price is $125 total per night from Jul 7 to Jul 8
$125 total
Jul 7 - Jul 8
Total with taxes and fees
Book a stay at this business-friendly hotel in Arlington. Enjoy breakfast (surcharge), a free airport shuttle, and room service. Our guests praise the breakfast ...
8.4/10 Very Good! (3,317 reviews)
"Overall was a great stay! Would stay there again"

Reviewed on Jun 19, 2026

Sheraton Pentagon City Hotel
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Washington Hotels With Airport Transportation

Wingate by Wyndham Chantilly / Dulles Airport

Wingate by Wyndham Chantilly / Dulles Airport

3 out of 5
3940 Centerview Dr Chantilly VA
$107 nightly
The price is $123 total per night from Jul 5 to Jul 6
$123 total
Jul 5 - Jul 6
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the breakfast and ...
8.2/10 Very Good! (1,476 reviews)
"No coffee maker no bottled"

Reviewed on Jun 19, 2026

Wingate by Wyndham Chantilly / Dulles Airport
Comfort Suites Dulles Airport

Comfort Suites Dulles Airport

2.5 out of 5
13980 Metrotech Dr Chantilly VA
$105 nightly
The price is $121 total per night from Jul 12 to Jul 13
$121 total
Jul 12 - Jul 13
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the helpful staff ...
7.6/10 Good! (1,001 reviews)
"Good"

Reviewed on Jun 14, 2026

Comfort Suites Dulles Airport
Hampton Inn Washington-Dulles Int'l Airport South

Hampton Inn Washington-Dulles Int'l Airport South

2.5 out of 5
4050 Westfax Dr Chantilly VA
$106 nightly
The price is $122 total per night from Jul 5 to Jul 6
$122 total
Jul 5 - Jul 6
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
8.8/10 Excellent! (1,001 reviews)
"This hotel stay I've had in a long time. Thank you very much."

Reviewed on Jun 18, 2026

Hampton Inn Washington-Dulles Int'l Airport South
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Low Priced Washington Hotels

Fairfield Inn & Suites Dulles Airport Chantilly

Fairfield Inn & Suites Dulles Airport Chantilly

3 out of 5
3960 Corsair Ct Chantilly VA
$91 nightly
The price is $105 total per night from Jul 5 to Jul 6
$105 total
Jul 5 - Jul 6
Total with taxes and fees
Stay at this hotel in Chantilly. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
8.4/10 Very Good! (1,000 reviews)
"."

Reviewed on Jun 11, 2026

Fairfield Inn & Suites Dulles Airport Chantilly
Studio 6 – Chantilly, VA – Washington Dulles Airport

Studio 6 – Chantilly, VA – Washington Dulles Airport

2.5 out of 5
14420 Chantilly Crossing Ln Chantilly VA
$89 nightly
The price is $102 total per night from Jun 20 to Jun 21
$102 total
Jun 20 - Jun 21
Total with taxes and fees
Stay at this hotel in Chantilly. Enjoy free WiFi, free parking, and laundry facilities. Popular attractions Fair Oaks Mall and Chantilly Crossing Shopping Center ...
6.4/10 (503 reviews)
"nice"

Reviewed on Jun 19, 2026

Studio 6 – Chantilly, VA – Washington Dulles Airport
Wingate by Wyndham Chantilly / Dulles Airport

Wingate by Wyndham Chantilly / Dulles Airport

3 out of 5
3940 Centerview Dr Chantilly VA
$107 nightly
The price is $123 total per night from Jul 5 to Jul 6
$123 total
Jul 5 - Jul 6
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the breakfast and ...
8.2/10 Very Good! (1,476 reviews)
"No coffee maker no bottled"

Reviewed on Jun 19, 2026

Wingate by Wyndham Chantilly / Dulles Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

LHR to IAD Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
LHR Address & GPS
Address:
London EN,
United Kingdom
IATA Code:
LHR
Longitude:
-0.453566
Latitude:
51.469603
Time Zone:
Europe/London
IAD Address & GPS
Address:
1 Saarinen Circle
Dulles VA, 20166
United States
IATA Code:
IAD
Longitude:
-77.447735
Latitude:
38.95315
Time Zone:
America/New_York

Frequently asked questions

Are there non-stop flights from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD)?
There are 3 carriers that offer nonstop services from LHR to IAD, so it might be a good idea to start thinking about what types of things you like in an airline. See which one of these has exactly what you need:

  • United Airlines
  • British Airways
  • Virgin Atlantic

What is the shortest flight from London Heathrow to IAD?
Make the most of the opportunity to unwind on your journey from London to Washington. The quickest flight time from LHR to IAD is 8 hours and 15 minutes, which gives you plenty of time to enjoy a beverage or get swept up in a good movie.
How many hours flight from London Heathrow to Dulles Intl. Airport?
From LHR to IAD, you'll be in the sky for roughly 8 hours and 34 minutes. Settle in, order a wine and take out your noise-canceling earphones. It's time to binge-watch your favorite TV shows.
What airlines have the most flights from London Heathrow to IAD?
While there are various airlines with flights from LHR to Washington Dulles Intl. Airport (IAD), there are a couple that stand out. Virgin Atlantic (VS) is among the best and offers 28 flights each month. Alternatively, secure your favorite window (or aisle) seat with United Airlines (UA). You'll have 106 monthly flights between London and Washington to choose from with this carrier.

Map To Nearby Hotels

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.

More to Explore