₩1,432,000 Cheap Flights from London (LHR) to Washington (DCA)

View ₩1,432,000 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from London to Washington (LHR-DCA)

Prices were available within the past 7 days and start at ₩1,432,000 for one-way flights and ₩911,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Oct 29 - Wed, Nov 12
LHR
London
DCA
Washington
₩911,700 Roundtrip, found 2 days ago
₩911,700
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct 29 from London to Washington, returning Wed, Nov 12, priced at ₩911,700 found 2 days ago
Air Canada
Wed, Oct 29 - Wed, Nov 12
LHR
London
DCA
Washington
₩920,900 Roundtrip, found 2 days ago
₩920,900
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct 29 from London to Washington, returning Wed, Nov 12, priced at ₩920,900 found 2 days ago
Air Canada
Wed, Oct 29 - Wed, Nov 12
LHR
London
DCA
Washington
₩930,100 Roundtrip, found 2 days ago
₩930,100
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct 29 from London to Washington, returning Wed, Nov 12, priced at ₩930,100 found 2 days ago
United
Wed, Oct 29 - Wed, Nov 12
LHR
London
DCA
Washington
₩943,400 Roundtrip, found 2 days ago
₩943,400
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 29 from London to Washington, returning Wed, Nov 12, priced at ₩943,400 found 2 days ago
American Airlines
Wed, Oct 29 - Wed, Nov 12
LHR
London
DCA
Washington
₩951,100 Roundtrip, found 2 days ago
₩951,100
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 29 from London to Washington, returning Wed, Nov 12, priced at ₩951,100 found 2 days ago
Air Canada
Thu, Dec 11 - Mon, Dec 22
LHR
London
DCA
Washington
₩971,200 Roundtrip, found 2 days ago
₩971,200
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Dec 11 from London to Washington, returning Mon, Dec 22, priced at ₩971,200 found 2 days ago
Air Canada
Thu, Dec 11 - Mon, Dec 22
LHR
London
DCA
Washington
₩980,400 Roundtrip, found 2 days ago
₩980,400
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Dec 11 from London to Washington, returning Mon, Dec 22, priced at ₩980,400 found 2 days ago
British Airways
Wed, Oct 29 - Wed, Nov 12
LHR
London
DCA
Washington
₩999,500 Roundtrip, found 2 days ago
₩999,500
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 29 from London to Washington, returning Wed, Nov 12, priced at ₩999,500 found 2 days ago
KLM
Wed, Oct 29 - Wed, Nov 12
LHR
London
DCA
Washington
₩1,025,700 Roundtrip, found 2 days ago
₩1,025,700
Roundtrip
found 2 days ago
Select KLM flight, departing Wed, Oct 29 from London to Washington, returning Wed, Nov 12, priced at ₩1,025,700 found 2 days ago
Air Canada
Thu, Aug 21 - Sun, Aug 24
LHR
London
DCA
Washington
₩1,053,800 Roundtrip, found 4 days ago
₩1,053,800
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Aug 21 from London to Washington, returning Sun, Aug 24, priced at ₩1,053,800 found 4 days ago

Find the cheapest month to fly from London (LHR) to Washington (DCA)

January is typically the cheapest month to fly

From ₩658,759 - ₩1,481,637 per traveler.

Graph displaying average flight prices per month

Flights from London (LHR) to Washington (DCA)
Origin airport
Heathrow
Destination airport
Ronald Reagan Washington National
Roundtrip price
₩911,700
Distance
5847 km

London to Washington Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from London to Washington will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Washington.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with LHR to DCA flights that won’t make your bank account wince. Ready to temporarily leave behind London for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to DCA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Heathrow Airport (LHR) to National Airport?
Round-trip journeys between London Heathrow and Ronald Reagan Washington National Airport (DCA) start from ₩911,700. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Heathrow Airport (LHR) to National Airport?
Most flights can be canceled online, but every air carrier has its own set of terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Heathrow Airport (LHR) to Ronald Reagan Washington National Airport (DCA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport to DCA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LHR to National Airport?
With a flight distance of 5,900 kilometers between Hounslow and Arlington, this is a long flight. Ensure that you keep well hydrated and go for a short walk down the aisle every so often.
Which airlines fly direct from Heathrow Airport to DCA?
Direct flights aren't available, so you'll have to make at least one stop between Heathrow Airport and DCA. Use the layover time to stretch your legs and grab a bite to eat.
Are Heathrow Airport to Ronald Reagan Washington National Airport (DCA) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from London Heathrow to DCA can be hit-or-miss. It is possible to score a bargain, but you could also miss out completely! If you'd prefer to start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just remember that not all airlines release their prices that far in advance. Our advice? Check back often as updates are made regularly.

Explore a world of travel with Expedia

Washington nearby Airports

Washington

London to Washington Dulles Intl.
₩977,900

Baltimore

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₩2,901,200
*Available to Expedia members.