How long is the flight from Maryland to London Heathrow Airport?

There are many flights that can get you from Maryland to London Heathrow Airport in 7h 20m. Fly via Scandinavian Airlines, United Airlines, or Delta to get the fastest option. The distance from Maryland to London Heathrow Airport is about 3664 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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 most popular routes from Maryland to London Heathrow Airport?

The most popular route from Maryland to London Heathrow Airport is Washington, D.C. Dulles Intl - London Heathrow. You may also consider Baltimore/Washington - London Heathrow or Washington, D.C. Reagan-National - London Heathrow.

What are the cheapest flights from Maryland to London Heathrow Airport?

While on average a flight from Maryland to London Heathrow Airport is generally £593, our data shows the cheapest flight currently is £261. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £453 for that flight.

What are the most reliable airlines from Maryland to London Heathrow Airport?

Before booking your flight to London Heathrow Airport from Maryland, check out the most reliable airlines to get you to your destination on time: Aer Lingus (62%), Finnair (62%), Iberia( 62%).

Can I find deals for flights from Maryland to Heathrow that include hotel bookings?

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

How can I find direct flights from Maryland to Heathrow?

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

Can I find deals for business class flights from Maryland to Heathrow?

Yes. Cheapflights offers flight deals from Maryland 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.

£190+ Cheap Flights from Maryland to London Heathrow Airport

Cheap flight deals from Maryland to Heathrow

Enter your travel dates to find the best prices.

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Best

Direct

Last-minute

One-way

Cheapest flights from Maryland to Heathrow
Explore the most affordable flight options available from Maryland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Sat 7/1117:25 -

1 stop20h 30m

Fri 13/1118:30 -

1 stop25h 45m

Deal found 17/8£454

Thu 29/1018:25 -

1 stop13h 00m

Mon 9/1118:30 -

1 stop25h 15m

Deal found 17/8£460

Tue 29/917:05 -

1 stop12h 15m

Sun 4/1018:45 -

1 stop25h 25m

Deal found 17/8£462

Tue 24/1117:25 -

1 stop19h 05m

Tue 1/1206:00 -

1 stop13h 45m

Deal found 13/8£463

Sun 20/917:40 -

1 stop14h 05m

Wed 30/908:00 -

1 stop17h 35m

Deal found 17/8£463

Wed 11/1122:30 -

1 stop18h 05m

Mon 16/1106:00 -

1 stop14h 15m

Deal found 17/8£464

Tue 13/1022:35 -

1 stop18h 25m

Tue 1/1206:00 -

1 stop13h 45m

Deal found 14/8£465

Wed 30/922:35 -

1 stop15h 15m

Mon 12/1019:50 -

1 stop24h 20m

Deal found 13/8£466

Wed 25/1122:30 -

1 stop15h 25m

Mon 30/1118:30 -

1 stop25h 15m

Deal found 14/8£466

Mon 21/917:40 -

1 stop20h 10m

Tue 29/919:50 -

1 stop24h 20m

Deal found 16/8£467

Mon 21/922:35 -

1 stop15h 15m

Sun 27/918:45 -

1 stop30h 50m

Deal found 13/8£468

Mon 28/917:40 -

1 stop14h 05m

Mon 5/1006:00 -

1 stop14h 10m

Deal found 14/8£468

Best flights from Maryland to Heathrow
Discover carefully curated flight deals from Maryland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Thu 24/920:20 -

2 stops15h 40m

Tue 29/919:50 -

2 stops26h 10m

Deal found 16/8£618

Mon 5/1018:35 -

Nonstop7h 20m

Tue 13/1009:30 -

1 stop11h 35m

Deal found 14/8£637

Wed 23/912:02 -

1 stop18h 18m

Mon 28/911:45 -

2 stops50h 05m

Deal found 12/8£639

Sun 11/1006:00 -

1 stop19h 30m

Fri 6/1109:20 -

1 stop13h 12m

Deal found 14/8£655

Mon 21/906:00 -

1 stop10h 40m

Tue 29/909:15 -

1 stop11h 52m

Deal found 17/8£667

Thu 14/113:00 -

1 stop12h 25m

Wed 20/111:45 -

2 stops16h 10m

Deal found 14/8£682

Wed 4/1114:55 -

2 stops14h 55m

Wed 18/1120:35 -

1 stop27h 05m

Deal found 15/8£699

Tue 24/1113:25 -

3 stops27h 10m

Tue 1/1206:00 -

2 stops17h 43m

Deal found 15/8£711

Fri 2/1018:26 -

1 stop10h 54m

Mon 12/1015:50 -

Nonstop8h 25m

Deal found 17/8£727

Mon 21/918:45 -

Nonstop7h 05m

Thu 1/1008:15 -

1 stop10h 30m

Deal found 16/8£739

Tue 6/1017:00 -

2 stops13h 55m

Wed 14/1021:25 -

2 stops39h 31m

Deal found 17/8£791

Wed 30/913:55 -

2 stops13h 00m

Wed 7/1009:55 -

2 stops18h 03m

Deal found 16/8£643

Mon 21/911:40 -

2 stops16h 40m

Tue 29/906:40 -

2 stops18h 13m

Deal found 16/8£646

Wed 23/914:20 -

1 stop11h 10m

Fri 25/911:55 -

1 stop16h 04m

Deal found 17/8£661

Fri 2/1015:45 -

1 stop13h 15m

Wed 14/1010:50 -

1 stop13h 35m

Deal found 15/8£668

Sun 10/111:00 -

1 stop15h 45m

Sat 16/111:15 -

2 stops16h 40m

Deal found 14/8£683

Mon 2/1118:05 -

Nonstop7h 10m

Mon 9/1116:25 -

Nonstop8h 30m

Deal found 13/8£694

Mon 16/1117:20 -

2 stops12h 30m

Fri 20/1112:15 -

1 stop11h 25m

Deal found 16/8£714

Thu 26/1109:10 -

2 stops22h 30m

Tue 1/1206:00 -

2 stops17h 43m

Deal found 17/8£714

Wed 21/1011:55 -

2 stops23h 05m

Sun 25/1017:00 -

2 stops32h 55m

Deal found 17/8£650

Tue 6/1022:05 -

Nonstop7h 35m

Thu 15/1015:50 -

Nonstop8h 25m

Deal found 16/8£650

Fri 9/1006:30 -

1 stop9h 15m

Sun 11/1011:55 -

1 stop16h 04m

Deal found 14/8£662

Thu 8/1018:35 -

Nonstop7h 20m

Mon 12/1012:10 -

1 stop33h 35m

Deal found 16/8£688

Sun 18/1019:15 -

Nonstop7h 30m

Sat 31/1012:15 -

Nonstop8h 25m

Deal found 16/8£694

Fri 29/113:00 -

1 stop13h 50m

Sat 6/211:15 -

2 stops16h 40m

Deal found 13/8£719

Thu 17/906:30 -

1 stop9h 15m

Sat 10/1008:40 -

1 stop12h 37m

Deal found 14/8£662

Thu 29/1018:30 -

2 stops23h 05m

Sat 7/1118:30 -

2 stops33h 06m

Deal found 13/8£729

Sat 28/1119:50 -

Nonstop7h 00m

Sat 12/1206:30 -

1 stop12h 35m

Deal found 13/8£734

Thu 12/1111:55 -

2 stops16h 25m

Sun 22/1106:40 -

2 stops21h 08m

Deal found 13/8£672

Fri 9/1017:48 -

1 stop10h 37m

Fri 16/1016:25 -

Nonstop8h 15m

Deal found 17/8£696

Find flight deals from Maryland to Heathrow

Round-trip from	£454
One-way from	£190
Popular in	June
Cheapest in	January
Average price	£657
Good round-trip deal	£690 or less
Good one-way deal	£398 or less

TAP AIR PORTUGAL
7/11-13/11
2 total stops
46h 15m total
Maryland to London

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Icelandair
1/1
1 total stop
10h 10m total
Maryland to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£115 potential increase over avg. return price).

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Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

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Price to beat on a round-trip flight from Maryland to London Heathrow.

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Price to beat on a one-way flight from Maryland to London Heathrow.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Maryland 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

Thu 24/9

20:20-17:00

2 stops15h 40m

London Heathrow

Tue 29/9

19:50-17:00

2 stops26h 10m

£618

Washington, D.C.London

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

IADLHR

Washington, D.C. Dulles Intl

Mon 5/10

18:35-06:55

Nonstop7h 20m

London Heathrow

Tue 13/10

09:30-16:05

1 stop11h 35m

£637

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 23/9

12:02-11:20

1 stop18h 18m

London Heathrow

Mon 28/9

11:45-08:50

2 stops50h 05m

£639

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 30/9

13:55-07:55

2 stops13h 00m

London Heathrow

Wed 7/10

09:55-22:58

2 stops18h 03m

£643

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Mon 21/9

11:40-09:20

2 stops16h 40m

London Heathrow

Tue 29/9

06:40-19:53

2 stops18h 13m

£646

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Wed 21/10

11:55-16:00

2 stops23h 05m

London Heathrow

Sun 25/10

17:00-21:55

2 stops32h 55m

£650

Washington, D.C.London

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

IADLHR

Washington, D.C. Dulles Intl

Tue 6/10

22:05-10:40

Nonstop7h 35m

London Heathrow

Thu 15/10

15:50-19:15

Nonstop8h 25m

£650

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Sun 11/10

06:00-06:30

1 stop19h 30m

London Heathrow

Fri 6/11

09:20-17:32

1 stop13h 12m

£655

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Wed 23/9

14:20-06:30

1 stop11h 10m

London Heathrow

Fri 25/9

11:55-22:59

1 stop16h 04m

£661

Washington, D.C.London

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

DCALHR

Washington, D.C. Reagan-National

Fri 9/10

06:30-20:45

1 stop9h 15m

London Heathrow

Sun 11/10

11:55-22:59

1 stop16h 04m

£662

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Maryland to Heathrow

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

IAD-LHR

BWI-LHR

DCA-LHR

PHL-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 Maryland to London Heathrow Airport

USMD-LHR

IAD-LHR

BWI-LHR

DCA-LHR

PHL-LHR

What is the cheapest month to book a flight from Maryland to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of £475). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £884). 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 MD to LHR?

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

How much does it cost for a return flight from Maryland to London Heathrow Airport?

Airfare is below average for this route at the moment.

Maryland to London Heathrow Airport flights typically cost between £578 and £823 in January.
The cheapest return price found within the last 5 days was £486 on British Airways (13 Jan–18 Jan).

How far ahead should I book a flight from Maryland to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Maryland to London Heathrow Airport, you should look to book at least 23 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 Maryland to London Heathrow Airport?
There are many flights that can get you from Maryland to London Heathrow Airport in 7h 20m. Fly via Scandinavian Airlines, United Airlines, or Delta to get the fastest option. The distance from Maryland to London Heathrow Airport is about 3664 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from Maryland to London Heathrow Airport?
The most popular route from Maryland to London Heathrow Airport is Washington, D.C. Dulles Intl - London Heathrow. You may also consider Baltimore/Washington - London Heathrow or Washington, D.C. Reagan-National - London Heathrow.
What are the most reliable airlines from Maryland to London Heathrow Airport?
Before booking your flight to London Heathrow Airport from Maryland, check out the most reliable airlines to get you to your destination on time: Aer Lingus (62%), Finnair (62%), Iberia( 62%).
What are the cheapest flights from Maryland to London Heathrow Airport?
While on average a flight from Maryland to London Heathrow Airport is generally £593, our data shows the cheapest flight currently is £261. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £453 for that flight.
Can I find deals for flights from Maryland to Heathrow that include hotel bookings?
Yes. In addition to deals on Maryland to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Maryland to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Heathrow.
Can I find deals for business class flights from Maryland to Heathrow?
Yes. Cheapflights offers flight deals from Maryland 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 Maryland to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of £475). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £884). 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 2 airlines flying from Maryland to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£390	Average£530	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£426	Average£574	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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How does Cheapflights help users find flights from Maryland to Heathrow?

When you search for this flight from Maryland to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Maryland to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Maryland to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Maryland to Heathrow with no change fees?

Certainly. Search results for flights to Heathrow from Maryland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Maryland to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Maryland to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Maryland to London Heathrow Airport from £190

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

Cheap flight deals from Maryland to Heathrow

Cheapest flights from Maryland to HeathrowExplore the most affordable flight options available from Maryland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Explore the most affordable flight options available from Maryland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Best flights from Maryland to HeathrowDiscover carefully curated flight deals from Maryland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Discover carefully curated flight deals from Maryland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Direct flights from Maryland to HeathrowExplore direct flight options from Maryland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 August 2026.

Explore direct flight options from Maryland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 August 2026.

Last-minute flights from Maryland to HeathrowDiscover last-minute flight deals from Maryland to Heathrow. Data last updated 18 August 2026 and is based on user searches.

Discover last-minute flight deals from Maryland to Heathrow. Data last updated 18 August 2026 and is based on user searches.

One-way flights from Maryland to HeathrowSearch for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 August 2026.

Search for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 August 2026.

Find flight deals from Maryland to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Cheapflights Fare Finder

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

Best time to book a flight from Maryland to Heathrow

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

Cheapflights Insights

What is the cheapest month to book a flight from Maryland to London Heathrow Airport?

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

Find hourly flight availability from Maryland 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 18 August 2026.

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

How much does it cost for a return flight from Maryland to London Heathrow Airport?

Airfare is below average for this route at the moment.

Maryland to London Heathrow Airport flights typically cost between £578 and £823 in January.The cheapest return price found within the last 5 days was £486 on British Airways (13 Jan–18 Jan).

How far ahead should I book a flight from Maryland to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Maryland to London Heathrow Airport, you should look to book at least 23 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 Maryland to London Heathrow Airport?

What are the most popular routes from Maryland to London Heathrow Airport?

What are the most reliable airlines from Maryland to London Heathrow Airport?

What are the cheapest flights from Maryland to London Heathrow Airport?

Can I find deals for flights from Maryland to Heathrow that include hotel bookings?

How can I find direct flights from Maryland to Heathrow?

Can I find deals for business class flights from Maryland to Heathrow?

What is the cheapest month to book a flight from Maryland to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maryland 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.

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Search flights from Maryland 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 18 August 2026.

Maryland and Heathrow flights

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Top 2 airlines flying from Maryland to Heathrow

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How does Cheapflights help users find flights from Maryland to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Maryland to Heathrow?

Can Cheapflights find flights from Maryland to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Maryland to Heathrow become cheaper?

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Cheapest flights from Maryland to Heathrow
Explore the most affordable flight options available from Maryland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 August 2026.

Best flights from Maryland to Heathrow
Discover carefully curated flight deals from Maryland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 August 2026.

Direct flights from Maryland to Heathrow
Explore direct flight options from Maryland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 August 2026.

Last-minute flights from Maryland to Heathrow
Discover last-minute flight deals from Maryland to Heathrow. Data last updated 18 August 2026 and is based on user searches.

One-way flights from Maryland to Heathrow
Search for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 August 2026.

Maryland to London Heathrow Airport flights typically cost between £578 and £823 in January.
The cheapest return price found within the last 5 days was £486 on British Airways (13 Jan–18 Jan).