Cheap Flights from Washington D.C. to London

Compare Washington D.C. to London flight deals

Find the cheapest month or even day of the year to fly to London

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Flight deals from Washington D.C. to London

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to London? Find the lowest prices on one-way and return tickets right here.

London.Rs50,266 per passenger.Departing Mon, 26 Jan.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 26 Jan, arriving in London Gatwick.Price includes taxes and charges.From Rs50,266, select.

London.Rs51,959 per passenger.Departing Fri, 6 Feb.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Fri, 6 Feb, arriving in London Gatwick.Price includes taxes and charges.From Rs51,959, select.

London.Rs53,723 per passenger.Departing Tue, 24 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 24 Mar, arriving in London Gatwick.Price includes taxes and charges.From Rs53,723, select.

London.Rs61,103 per passenger.Departing Mon, 8 Dec.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Dulles on Mon, 8 Dec, arriving in London Stansted.Price includes taxes and charges.From Rs61,103, select.

London.Rs70,879 per passenger.Departing Thu, 27 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 27 Nov, arriving in London Gatwick.Price includes taxes and charges.From Rs70,879, select.

London.Rs74,378 per passenger.Departing Wed, 6 May.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Washington Ronald Reagan on Wed, 6 May, arriving in London Gatwick.Price includes taxes and charges.From Rs74,378, select.

London.Rs74,789 per passenger.Departing Sun, 20 Sep.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departs from Washington Ronald Reagan on Sun, 20 Sep, arriving in London Gatwick.Price includes taxes and charges.From Rs74,789, select.

London.Rs80,407 per passenger.Departing Wed, 1 Apr.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Wed, 1 Apr, arriving in London Gatwick.Price includes taxes and charges.From Rs80,407, select.

Find the cheapest month to fly from Washington D.C. to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington D.C. to London flights are currently cheapest in January.

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Direct flights from Washington D.C. to London

Alternative Washington D.C. to London routes

Looking for the cheapest, fastest or easiest route from Washington D.C. to London? You could fly into the following airports instead.

Washington D.C. to London: Flight information

The things to know before you go.

Cheapest flight found	Rs50,266
Cheapest month to fly	January
Average flight time	7 hrs, 18 mins
Most popular airline	American Airlines
Average flights per week	300

Finding cheap flights from Washington D.C. to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Washington D.C. to London?

The best price we found for a return flight from Washington D.C. to London is Rs124,459. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Washington D.C. to London?

7 hours and 18 minutes is the average flight time from Washington D.C. to London.

Which airlines fly direct from Washington D.C. to London?

American Airlines, British Airways and Aer Lingus fly direct from Washington D.C. to London.

How many flights are there a week from Washington D.C. to London?

As of November 2025, there are 4,864 flights per week flying from Washington D.C. to London.

When is the cheapest time to fly from Washington D.C. to London?

The cheapest month to fly from Washington D.C. to London is usually December.

Which is the cheapest airport to fly into in London?

If you're flying from Washington D.C., the cheapest airport near London is London Heathrow – which is 22.9 km away from the centre of London. We've found flights into this airport from Rs124,459.

Which upcoming date is cheapest to fly from Washington D.C. to London on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to London on Tuesday, 2 December 2025.

Can I get a direct flight from Washington D.C. to London?

Yes – the average flight time is 7 hours and 18 minutes.

How can I get the best flight deal from Washington D.C. to London?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in London?

In November, the average temperature is usually around 7°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly from Washington D.C. to London with?

The cheapest airline that flies to London is TAP Air Portugal. And the cheapest airline that flies to London Heathrow Airport is United.

Travelling from Washington DC to London: what you need to know

Organising your flight from Washington DC to London begins with finding the right airport to start your holiday. Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI) are the main departure points in Washington DC.
Land at London Heathrow Airport (LHR) or London Gatwick Airport (LGW). You can also reach London through Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY).
Take a direct Washington DC to London flight and you'll be in transit for an average of 7 hours 20 minutes.
The timezone in London is UTC+0, which is four hours ahead of Washington DC.
For a stress-free start to your trip, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your Washington DC to London flight.
Be prepared for longer queues during popular months such as July. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a smart move.

How to find the cheapest flights from Washington DC to London

Don't leave everything to the last moment. You're more likely to find cheap Washington DC to London flights if you book ahead. Airlines often have some amazing early bird rates.
The 'Whole month' tool shows you the cheapest plane tickets from Washington DC to London across the entire month. It's an easy way to find a bargain if your plans aren't set in stone.
Cut down on the time spent looking for cheap flights from Washington DC to London by setting up a Price Alert. We'll send you an email or notification on the app when a new low fare is offered.
Select your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your Washington DC to London flight results by 'Best,' 'Cheapest' or 'Fastest.'

Flying from Washington DC

Ronald Reagan National Airport (DCA)

A stopover is the ideal opportunity to take a break from travelling — and possibly even explore a different city. When browsing Washington DC to London flights departing from Ronald Reagan National Airport, deselect the 'Direct flights only' box to see where you can stop along the way. Some popular options include:
- John F. Kennedy International Airport (JFK)
- Newark Liberty International Airport (EWR)
- Logan International Airport (BOS)
DCA is around 6 kilometres from central Washington DC. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 15 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the trip time to be around 45 minutes.
Need a handy hotel near Ronald Reagan National Airport? If you've booked an early flight from Washington DC to London, these accommodation options will have you moments from your check-in counter:
76.44% of flights that leave from Ronald Reagan National Airport make it to their destination on time.
You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

Prefer to jet off from Washington Dulles International Airport (IAD)? This hub offers direct flights from Washington DC to London, seamlessly connecting to London Heathrow Airport (LHR).
IAD has a range of airlines offering direct Washington DC to London plane tickets. Book your favourite window (or aisle) seat with any of these:
Split up your Washington DC to London flight with a stop so you can stretch your legs or perhaps go somewhere you've never been before. Some top stopovers between Washington Dulles International Airport and London are:
- Amsterdam Airport Schiphol (AMS)
- John F. Kennedy International Airport (JFK)
- Charles de Gaulle Airport (CDG)
Using public transport, you can travel from central Washington DC to IAD in around 1 hour 10 minutes. The terminal is roughly 40 kilometres away. Driving will take you about 50 minutes.
You're off on holiday, so why not spend an extra night away from home? Consider kicking back in one of these accommodation options near Washington Dulles International Airport the day before your flight from Washington DC to London:
74% of flights leaving Washington Dulles International Airport stick to their scheduled arrival time.
The address for IAD is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

You can hop on a direct flight from Washington DC to London leaving from Baltimore/Wash International Thurgood Marshall Airport (BWI). Book your ticket from BWI and travel nonstop to London Heathrow Airport (LHR).
British Airways is one reputable carrier that offers direct Washington DC to London plane tickets from BWI.
Reserve a ticket from Washington DC to London departing from Baltimore/Wash International Thurgood Marshall Airport (BWI) with one or more stops. Some popular stopovers between BWI and London are:
- John F. Kennedy International Airport (JFK)
- Logan International Airport (BOS)
- Orlando International Airport (MCO)
From the centre of Washington DC, BWI is around 40 kilometres away. It takes roughly 50 minutes to get to the airport by car and 1 hour 30 minutes or so if you're on public transport.
Wake up, take it easy and still make your Washington DC to London flight without having to rush. These hotels near Baltimore/Wash International Thurgood Marshall Airport make departure day a breeze if you're flying out first thing:
The on-time performance record of BWI is 77.13%. In simpler terms, that's how often flights that depart this airport arrive at their final stop as planned.

Arriving in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to central London takes about 55 minutes by car. The centre is roughly 23 kilometres away.
It typically takes 1 hour to get there when travelling by public transport.
The last thing you need is a long journey to your hotel if you're landing late on a flight from Washington DC to London. Check in to one of these accommodation options near LHR instead:
Follow your own route with a London Heathrow Airport rental car. Pick up a set of wheels from Surprice, U-Save or Green Motion and experience more of London and beyond.
Booking your vehicle from London Heathrow Airport about one week ahead gives you the best chance of locking in a great deal.

London Gatwick Airport (LGW)

The centre of London is approximately 40 kilometres from London Gatwick Airport (LGW). Once your flight from Washington DC to London has touched down and you've made your way out of the airport, the drive should take about 1 hour 20 minutes.
Travelling by public transport will take about 30 minutes.
Hang up the 'Do not disturb' sign and rest at a hotel near LGW. Here are a few options where you can check in after your flight from Washington DC to London:
Green Motion, U-Save and Drivalia make collecting a London Gatwick Airport rental car simple. These trusted companies are located around or in the terminal and will have you behind the wheel before you know it.
Don't pay more than you need to. Securing your ride three weeks before your arrival at LGW will save you money.

Stansted Airport (STN)

Stansted Airport (STN) is about 48 kilometres from central London. It'll take you about 1 hour to reach the city centre in a ride-share or cab once you've hopped off your flight from Washington DC to London.
The journey takes roughly 1 hour 25 minutes using public transport.
If you don't want to make your way into the centre, head for a hotel near STN. Make yourself comfortable at one of these stays after your Washington DC to London flight:
Stay in control of the next part of your journey with a Stansted Airport rental car. Green Motion, Drivalia and Europcar are dependable companies for booking.
If you're searching for a specific model or make, book your ride from STN around four weeks ahead of your flight from Washington DC to London. This gives you a better shot at getting the car you want, along with a better deal.

Best time to go to London

February is the quietest month for flights from Washington DC to London, while July is the busiest. Figure out the best time to go to London based on whether you prefer a laid-back vibe or a lively atmosphere.
The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Lock in your Washington DC to London ticket then if that's your definition of good weather.
January has average temperatures of between 0ºC and 9ºC. Look for cheap flights from Washington DC to London around that time if you like cooler conditions.

More about London

When it comes to searching for somewhere to lay your head, you'll find the top stays in London right here. Explore these options after you've booked your flight from Washington DC to London:
Big Ben and The British Museum are a couple of popular attractions to put on your London to-do list. Keep the momentum going by heading to Buckingham Palace.

Explore more of United Kingdom

You've done London, now it's time to explore other corners of United Kingdom. Journey about 161 kilometres north-west to Birmingham to tick off its popular sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you busy.
If you're eager to discover another major destination in United Kingdom, head for Bristol, about 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are among its highlights.