Cheap Flights from Baltimore Washington International to London

Compare Baltimore Washington International 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 Baltimore Washington International to London

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to London? If you want to travel next month, return fares start from $1,433. Find the lowest prices on one-way and return tickets right here.

London.$1,187 per passenger.Departing Mon, 3 Aug, returning Mon, 31 Aug.Return flight with Frontier Airlines and Norse Atlantic Airways (UK).Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 3 Aug, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Mon, 31 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,187, select.

London.$1,212 per passenger.Departing Mon, 26 Oct, returning Fri, 30 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Mon, 26 Oct, arriving in London Gatwick.Inbound indirect flight with Icelandair, departs from London Gatwick on Fri, 30 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,212, select.

London.$1,212 per passenger.Departing Wed, 21 Oct, returning Wed, 4 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Wed, 21 Oct, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Wed, 4 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,212, select.

London.$1,212 per passenger.Departing Tue, 3 Nov, returning Tue, 10 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Tue, 3 Nov, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Tue, 10 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,212, select.

London.$1,213 per passenger.Departing Wed, 2 Dec, returning Wed, 9 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Wed, 2 Dec, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Gatwick on Wed, 9 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,213, select.

London.$1,214 per passenger.Departing Mon, 11 Jan, returning Fri, 15 Jan.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Mon, 11 Jan, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Gatwick on Fri, 15 Jan, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,214, select.

London.$1,215 per passenger.Departing Wed, 18 Nov, returning Sun, 6 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Wed, 18 Nov, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Sun, 6 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,215, select.

London.$1,216 per passenger.Departing Sat, 23 Jan, returning Mon, 1 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Sat, 23 Jan, arriving in London Gatwick.Inbound indirect flight with Icelandair, departs from London Gatwick on Mon, 1 Feb, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,216, select.

London.$1,217 per passenger.Departing Mon, 1 Feb, returning Sun, 7 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Mon, 1 Feb, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Gatwick on Sun, 7 Feb, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,217, select.

London.$1,219 per passenger.Departing Tue, 29 Sep, returning Wed, 7 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Tue, 29 Sep, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Wed, 7 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,219, select.

London.$1,223 per passenger.Departing Tue, 1 Sep, returning Fri, 11 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Tue, 1 Sep, arriving in London Gatwick.Inbound indirect flight with Icelandair, departs from London Gatwick on Fri, 11 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,223, select.

London.$1,230 per passenger.Departing Wed, 23 Sep, returning Wed, 30 Sep.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Wed, 23 Sep, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Wed, 30 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,230, select.

London.$1,240 per passenger.Departing Thu, 20 Aug, returning Sun, 6 Sep.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Thu, 20 Aug, arriving in London Gatwick.Inbound indirect flight with Icelandair, departs from London Gatwick on Sun, 6 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,240, select.

London.$1,241 per passenger.Departing Wed, 29 Jul, returning Sun, 30 Aug.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Wed, 29 Jul, arriving in London Gatwick.Inbound indirect flight with Icelandair, departs from London Gatwick on Sun, 30 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,241, select.

London.$1,258 per passenger.Departing Tue, 10 Nov, returning Sun, 17 Jan.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Tue, 10 Nov, arriving in London Gatwick.Inbound indirect flight with Icelandair, departs from London Gatwick on Sun, 17 Jan, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,258, select.

London.$1,261 per passenger.Departing Tue, 20 Oct, returning Tue, 8 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Tue, 20 Oct, arriving in London Heathrow.Inbound indirect flight with Icelandair, departs from London Heathrow on Tue, 8 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,261, select.

Find the cheapest month to fly from Baltimore Washington International to London

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

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Direct flights from Baltimore Washington International to London

Alternative Baltimore Washington International to London routes

Looking for the cheapest, fastest or easiest route from Baltimore Washington International 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	$1,187
Cheapest month to fly	August
Average flight time	7 hrs, 14 mins
Most popular airline	American Airlines
Average flights per week	41

Finding cheap flights from Baltimore Washington International 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 Baltimore Washington International to London?

The best price we found for a return flight from Baltimore Washington International to London is $1,187. 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 Baltimore Washington International to London?

7 hours and 14 minutes is the average flight time from Baltimore Washington International to London.

Which airlines fly direct from Baltimore Washington International to London?

American Airlines, British Airways and Aer Lingus fly direct from Baltimore Washington International to London.

How many flights are there a week from Baltimore Washington International to London?

As of June 2026, there are 41 flights per week flying from Baltimore Washington International to London.

When is the cheapest time to fly from Baltimore Washington International to London?

The cheapest month to fly from Baltimore Washington International to London is usually August.

Which is the cheapest airport to fly into in London?

If you're flying from Baltimore Washington International Airport, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from $1,187.

Which upcoming date is cheapest to fly from Baltimore Washington International Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to London on Monday, 3 August 2026.

Can I get a direct flight from Baltimore Washington International Airport to London?

Yes – the average flight time is 7 hours and 14 minutes.

How can I get the best flight deal from Baltimore Washington International Airport 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 June, the average temperature is usually around 15°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 Baltimore Washington International Airport to London with?

Currently, Frontier Airlines and Iberia offer the cheapest flight tickets to London.

Travelling from Baltimore Washington International Airport (BWI) to London: what you need to know

Take a direct flight from Baltimore Washington International Airport to London and you'll be in the air for an average of 8 hours 15 minutes.
Baltimore Washington International Airport is located in Washington DC. Following the UTC+0 timezone, London is five hours ahead of Washington DC.
Baltimore Washington International Airport (BWI) to London Heathrow Airport (LHR) is the most traveled route, with seven weekly flights to pick from. You can travel from BWI to LHR at 20:30 with British Airways.
Leave enough time to get on your BWI to London flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.
You'll likely experience longer lines in popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.
Direct Baltimore Washington International Airport to London tickets are available for booking. London Heathrow Airport (LHR) is where you'll complete your journey.
Take to the skies with British Airways. This well-known airline operates direct flights from Baltimore Washington International Airport to London.
Think about adding a stopover to potentially unlock a cheaper plane ticket from BWI to London. Just uncheck 'Direct flights only' during your search. Break up your journey by stopping at one of these connecting airports:
- New York John F. Kennedy International Airport (JFK)
- Boston Logan International Airport (BOS)
- Orlando International Airport (MCO)
Travelling from central Washington DC to BWI takes about 50 minutes on public transport. If you drive, ride-share or grab a taxi, you'll cover the 40 kilometres in 40 minutes or so, depending on traffic conditions.
Want a relaxed start to your trip? Stay near BWI. Whether you're boarding an early flight from Baltimore Washington International Airport to London or want to avoid feeling rushed, these hotels put convenience first:
When it comes to the on-time performance of Baltimore Washington International Airport, 77% of flights complete their journey on time.

How to find the cheapest flights from Baltimore Washington International Airport (BWI) to London

The best price we've seen for a one-way Baltimore Washington International Airport to London flight is $395. The cheapest price for a return flight is $1,187. Remember fares can change due to demand at the time of booking.
Score cheap flights from BWI to London by booking four months ahead. According to our research, that's the sweet spot for bagging a bargain.
September is the best month for picking up an incredible deal on Baltimore Washington International Airport to London tickets. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.
Save time searching for cheap flights from BWI to London by setting up a Price Alert. You'll get an email or notification through the app when a lower fare pops up.
Tailor your flights with filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Baltimore Washington International Airport to London.

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) is around 24 kilometres from the centre of London. If you're getting a taxi or a ride-share, the drive will take roughly 45 minutes.
Travelling to the centre by public transport will take you around 25 minutes.
If you're arriving on a late flight from Baltimore Washington International Airport to London, few things beat the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and resting soon after at one of these accommodation options near LHR:
Get the best deal by reserving your vehicle from London Heathrow Airport about one week in advance of your flight from BWI to London.

London Gatwick Airport (LGW)

After your flight from Baltimore Washington International Airport to London has arrived, you can get to the city centre in around 1 hour 5 minutes by car. Central London is roughly 48 kilometres from London Gatwick Airport (LGW).
If you travel by public transport, the ride to the centre takes 1 hour 20 minutes or so.
Place the 'Do not disturb' sign on your door and rest at a hotel near LGW. Here are a few options where you can tuck yourself in after your BWI to London flight:
Score the best price by reserving your ride from LGW three weeks ahead of time. You'll also have access to a greater selection of vehicles.

London Stansted Airport (STN)

Make your way to the city centre after your flight from Baltimore Washington International Airport to London has touched down. Central London is around 56 kilometres from London Stansted Airport (STN) and takes roughly 1 hour 5 minutes to get to by car.
The journey will take you roughly 45 minutes using public transport.
Check in to a hotel close to STN and go from landing to lounging in your room in a flash. Whether you're arriving on a late BWI to London flight or just want a stress-free arrival, these stays are all about convenience:
About four weeks ahead of your flight from Baltimore Washington International Airport to London is a good time to secure your vehicle from STN. You're more likely to find a cheaper rate or even snap up an early bird discount.

Best time to go to London

July is the most popular month for flights from Baltimore Washington International Airport to London. To skip the crowds, head to London in January.
The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Book your Baltimore Washington International Airport to London plane ticket then if that's the weather you find most pleasant.
Search for cheap tickets from BWI to London in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

More about London

Once you've booked your flight from Baltimore Washington International Airport to London, choose a hotel that combines comfort with a great location. Make one of these options your base for exploring London:
All great journeys should include a little sightseeing. Westminster Abbey, The British Museum and Big Ben are essential stops on your London itinerary.

Explore more of the United Kingdom

You've seen London, now it's time to explore other parts of the United Kingdom. Journey around 257 kilometres northwest to Manchester to tick off its leading sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, your itinerary will be busy.
Around 161 kilometres northwest of London, Birmingham is another essential stop in the United Kingdom. Experience major highlights starting with Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.