How long is the flight from District of Columbia to London Heathrow Airport?

A quick flight from District of Columbia to London Heathrow Airport can take about 7h 10m. JetBlue provides one of the quickest options available for as low as £684. The distance between District of Columbia and London Heathrow Airport is about 3664 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from District of Columbia to London Heathrow Airport one-way?

For one-way options, check prices for British Airways. According to our data, you can fly for as low as £206. Users have also found prices from £215 and £246 on Virgin Atlantic and JetBlue, respectively.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the cheapest flights from District of Columbia to London Heathrow Airport?

The cheapest flight price from District of Columbia to London Heathrow Airport is £184. On average you can expect to pay £652. The most popular route, (Washington, D.C. Dulles Intl - London Heathrow), can usually be booked for £400.

What are the most reliable airlines from District of Columbia to London Heathrow Airport?

Before booking your flight to London Heathrow Airport from District of Columbia, check out the most reliable airlines to get you to your destination on time: Air Canada (85%), Austrian Airlines (85%), Iberia( 82%).

What are the most popular airlines that fly from District of Columbia to London Heathrow Airport?

The most popular airlines flying from District of Columbia to London Heathrow Airport are British Airways, United Airlines and Virgin Atlantic. Something to consider prior to booking your flight.

Can I find deals for flights from District of Columbia to Heathrow that include hotel bookings?

Yes. In addition to deals on District of Columbia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from District of Columbia to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Heathrow.

Can I find deals for business class flights from District of Columbia to Heathrow?

Yes. Cheapflights offers flight deals from District of Columbia to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£228+ Cheap Flights from District of Columbia to London Heathrow Airport

Cheap flight deals from District of Columbia to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from District of Columbia to Heathrow
Explore the most affordable flight options available from District of Columbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Sun 6/1222:30 -

1 stop18h 05m

Tue 15/1206:00 -

1 stop13h 40m

Deal found 11/11£516

Mon 30/1119:40 -

1 stop18h 50m

Thu 10/1212:15 -

1 stop11h 15m

Deal found 10/11£520

Mon 30/1119:40 -

1 stop18h 50m

Mon 7/1220:35 -

1 stop26h 55m

Deal found 10/11£521

Thu 26/1119:40 -

1 stop18h 50m

Sun 6/1220:35 -

1 stop26h 55m

Deal found 9/11£523

Tue 1/1219:40 -

1 stop10h 10m

Thu 10/1212:15 -

1 stop11h 15m

Deal found 11/11£524

Mon 30/1119:40 -

1 stop18h 50m

Sun 6/1220:35 -

1 stop26h 55m

Deal found 11/11£524

Mon 16/1117:25 -

1 stop23h 10m

Mon 23/1108:15 -

1 stop35h 25m

Deal found 11/11£525

Tue 24/1119:40 -

1 stop10h 10m

Wed 9/1212:15 -

1 stop11h 15m

Deal found 9/11£526

Tue 1/1219:40 -

1 stop10h 10m

Mon 7/1220:35 -

1 stop26h 55m

Deal found 11/11£527

Thu 26/1119:40 -

1 stop18h 50m

Mon 7/1220:35 -

1 stop26h 55m

Deal found 11/11£528

Sun 15/1119:40 -

1 stop18h 50m

Tue 24/1112:15 -

1 stop11h 15m

Deal found 10/11£529

Fri 13/1113:09 -

1 stop12h 46m

Wed 18/1107:25 -

1 stop19h 50m

Deal found 12/11£591

Best flights from District of Columbia to Heathrow
Discover carefully curated flight deals from District of Columbia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Tue 1/1216:45 -

1 stop9h 10m

Thu 10/1209:20 -

1 stop11h 31m

Deal found 9/11£627

Thu 14/119:40 -

1 stop10h 10m

Sun 24/120:35 -

1 stop26h 55m

Deal found 9/11£665

Wed 10/218:05 -

Nonstop7h 10m

Fri 19/216:25 -

Nonstop8h 30m

Deal found 9/11£684

Tue 17/1118:20 -

Nonstop7h 20m

Wed 25/1113:45 -

1 stop32h 15m

Deal found 10/11£700

Tue 1/1222:15 -

Nonstop7h 35m

Sat 12/1206:00 -

1 stop16h 00m

Deal found 11/11£739

Thu 24/1217:00 -

1 stop11h 00m

Wed 30/1213:20 -

Nonstop8h 40m

Deal found 11/11£863

Wed 23/1216:26 -

1 stop15h 09m

Tue 29/1209:05 -

1 stop17h 47m

Deal found 8/11£906

Mon 8/209:00 -

1 stop16h 53m

Thu 18/209:20 -

1 stop12h 43m

Deal found 11/11£633

Sat 30/106:00 -

1 stop10h 40m

Thu 4/212:20 -

1 stop15h 35m

Deal found 11/11£633

Fri 11/1208:35 -

2 stops17h 35m

Thu 17/1209:00 -

1 stop13h 00m

Deal found 7/11£707

Fri 25/1219:40 -

1 stop18h 50m

Wed 6/120:35 -

1 stop26h 55m

Deal found 11/11£750

Sun 7/214:50 -

1 stop11h 03m

Mon 15/212:20 -

1 stop15h 36m

Deal found 10/11£633

Wed 25/1118:20 -

Nonstop7h 20m

Mon 7/1209:00 -

1 stop13h 00m

Deal found 11/11£739

Mon 11/114:50 -

1 stop11h 03m

Wed 20/109:20 -

1 stop11h 32m

Deal found 11/11£633

Wed 2/1218:20 -

Nonstop7h 20m

Sat 12/1209:00 -

1 stop13h 00m

Deal found 12/11£739

Sat 21/1119:05 -

1 stop31h 50m

Mon 30/1111:10 -

1 stop30h 09m

Deal found 9/11£910

Sat 6/211:00 -

1 stop14h 53m

Mon 15/209:20 -

1 stop12h 43m

Deal found 10/11£633

Tue 15/1222:15 -

Nonstop7h 35m

Wed 6/113:45 -

1 stop32h 15m

Deal found 11/11£759

Sun 31/106:00 -

1 stop9h 55m

Fri 5/209:20 -

1 stop11h 32m

Deal found 11/11£633

Thu 14/106:00 -

1 stop10h 40m

Mon 25/109:20 -

1 stop14h 37m

Deal found 9/11£634

Sat 6/213:19 -

1 stop12h 51m

Sat 13/212:05 -

Nonstop8h 35m

Deal found 10/11£777

Thu 31/1218:20 -

Nonstop7h 20m

Tue 5/116:20 -

Nonstop8h 35m

Deal found 8/11£857

Fri 1/114:19 -

1 stop11h 36m

Sat 9/112:20 -

1 stop15h 35m

Deal found 8/11£751

Thu 17/1206:15 -

1 stop10h 25m

Wed 23/1212:20 -

1 stop14h 57m

Deal found 10/11£846

Find flight deals from District of Columbia to Heathrow

Round-trip from	£515
One-way from	£228
Popular in	June
Cheapest in	February
Average price	£659
Good round-trip deal	£824 or less
Good one-way deal	£258 or less

TAP AIR PORTUGAL
8/12-15/12
2 total stops
37h 55m total
District of Columbia to London

Search Deals

JetBlue
5/1-31/12
1 total stop
10h 30m total
District of Columbia to London

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£93 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Price to beat on a round-trip flight from District of Columbia to London Heathrow.

Search Deals

Price to beat on a one-way flight from District of Columbia to London Heathrow.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 10/2

18:55-07:20

Nonstop7h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Mon 8/2

18:20-06:40

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Tue 17/11

06:15-21:40

1 stop10h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£279

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Wed 18/11

06:15-21:40

1 stop10h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£279

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Sun 15/11

08:55-06:55

1 stop17h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£295

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Tue 12/1

18:20-06:40

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Tue 1/12

18:20-06:40

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Wed 18/11

14:00-07:45

2 stops12h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£374

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 18/11

06:10-17:50

2 stops30h 40m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£374

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 18/11

12:32-06:50

2 stops13h 18m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£374

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 45 resultsSorted by cheapest first

...

Best time to book a flight from District of Columbia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from District of Columbia with our price prediction graph.

IAD-LHR

DCA-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to London Heathrow Airport

USDC-LHR

IAD-LHR

DCA-LHR

What is the cheapest month to book a flight from District of Columbia to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from District of Columbia to London Heathrow Airport (average of £530). Flying from District of Columbia to London Heathrow Airport in June is currently the most expensive (average of £983). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to London Heathrow Airport as you normally would.

Weekly flight availability from District of Columbia to London Heathrow Airport

The most flights from USDC to LHR are scheduled on a Monday (27 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost for a return flight from District of Columbia to London Heathrow Airport?

Airfare is below average for this route at the moment.

District of Columbia to London Heathrow Airport flights typically cost between £554 and £863 in December.
The cheapest return price found within the last 5 days was £515 on TAP AIR PORTUGAL (8 Dec–15 Dec).

How far ahead should I book a flight from District of Columbia to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from District of Columbia to London Heathrow Airport, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

How long is the flight from District of Columbia to London Heathrow Airport?
A quick flight from District of Columbia to London Heathrow Airport can take about 7h 10m. JetBlue provides one of the quickest options available for as low as £684. The distance between District of Columbia and London Heathrow Airport is about 3664 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from District of Columbia to London Heathrow Airport one-way?
For one-way options, check prices for British Airways. According to our data, you can fly for as low as £206. Users have also found prices from £215 and £246 on Virgin Atlantic and JetBlue, respectively.
What are the most reliable airlines from District of Columbia to London Heathrow Airport?
Before booking your flight to London Heathrow Airport from District of Columbia, check out the most reliable airlines to get you to your destination on time: Air Canada (85%), Austrian Airlines (85%), Iberia( 82%).
What are the cheapest flights from District of Columbia to London Heathrow Airport?
The cheapest flight price from District of Columbia to London Heathrow Airport is £184. On average you can expect to pay £652. The most popular route, (Washington, D.C. Dulles Intl - London Heathrow), can usually be booked for £400.
Can I find deals for flights from District of Columbia to Heathrow that include hotel bookings?
Yes. In addition to deals on District of Columbia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from District of Columbia to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Heathrow.
Can I find deals for business class flights from District of Columbia to Heathrow?
Yes. Cheapflights offers flight deals from District of Columbia to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from District of Columbia to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from District of Columbia to London Heathrow Airport (average of £530). Flying from District of Columbia to London Heathrow Airport in June is currently the most expensive (average of £983). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 5 airlines flying from District of Columbia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£234	Average£642	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£433	Average£741	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£467	Average£605	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£497	Average£810	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest£599	Average£972	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

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Yes, we can. To see specific flights from District of Columbia to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from District of Columbia to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from District of Columbia to London Heathrow Airport from £228

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from District of Columbia to Heathrow

Cheapest flights from District of Columbia to HeathrowExplore the most affordable flight options available from District of Columbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Explore the most affordable flight options available from District of Columbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Best flights from District of Columbia to HeathrowDiscover carefully curated flight deals from District of Columbia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Discover carefully curated flight deals from District of Columbia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Direct flights from District of Columbia to HeathrowExplore direct flight options from District of Columbia to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 November 2026.

Explore direct flight options from District of Columbia to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 November 2026.

Last-minute flights from District of Columbia to HeathrowDiscover last-minute flight deals from District of Columbia to Heathrow. Data last updated 12 November 2026 and is based on user searches.

Discover last-minute flight deals from District of Columbia to Heathrow. Data last updated 12 November 2026 and is based on user searches.

One-way flights from District of Columbia to HeathrowSearch for one-way flight options from District of Columbia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.

Search for one-way flight options from District of Columbia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.

Find flight deals from District of Columbia to Heathrow

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One-way from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from District of Columbia to London Heathrow Airport that are best for you.

Best time to book a flight from District of Columbia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from District of Columbia with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from District of Columbia to London Heathrow Airport?

What is the cheapest time of day to fly from DC to LHR?

Find hourly flight availability from District of Columbia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 November 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to London Heathrow Airport as you normally would.

Weekly flight availability from District of Columbia to London Heathrow Airport

The most flights from USDC to LHR are scheduled on a Monday (27 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (19 on average).

How much does it cost for a return flight from District of Columbia to London Heathrow Airport?

Airfare is below average for this route at the moment.

District of Columbia to London Heathrow Airport flights typically cost between £554 and £863 in December.The cheapest return price found within the last 5 days was £515 on TAP AIR PORTUGAL (8 Dec–15 Dec).

How far ahead should I book a flight from District of Columbia to London Heathrow Airport?

Related info for your journey

How long is the flight from District of Columbia to London Heathrow Airport?

What are the cheapest airlines to fly from District of Columbia to London Heathrow Airport one-way?

What are the most reliable airlines from District of Columbia to London Heathrow Airport?

What are the cheapest flights from District of Columbia to London Heathrow Airport?

Can I find deals for flights from District of Columbia to Heathrow that include hotel bookings?

How can I find direct flights from District of Columbia to Heathrow?

Can I find deals for business class flights from District of Columbia to Heathrow?

What is the cheapest month to book a flight from District of Columbia to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Alternative routes for District of Columbia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from District of Columbia to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 November 2026.

District of Columbia and Heathrow flights

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Top 5 airlines flying from District of Columbia to Heathrow

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Can Cheapflights notify me if prices for flights from District of Columbia to Heathrow become cheaper?

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Cheapest flights from District of Columbia to Heathrow
Explore the most affordable flight options available from District of Columbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Best flights from District of Columbia to Heathrow
Discover carefully curated flight deals from District of Columbia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Direct flights from District of Columbia to Heathrow
Explore direct flight options from District of Columbia to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 November 2026.

Last-minute flights from District of Columbia to Heathrow
Discover last-minute flight deals from District of Columbia to Heathrow. Data last updated 12 November 2026 and is based on user searches.

One-way flights from District of Columbia to Heathrow
Search for one-way flight options from District of Columbia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.

District of Columbia to London Heathrow Airport flights typically cost between £554 and £863 in December.
The cheapest return price found within the last 5 days was £515 on TAP AIR PORTUGAL (8 Dec–15 Dec).