Cheap Flights from Baltimore Washington International to London Heathrow

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Compare Baltimore Washington International to London Heathrow flight deals

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

Book the best London Heathrow fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Baltimore Washington International to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to London Heathrow Airport? If you want to travel next month, return fares start from Rs193,026. Find the lowest prices on one-way and return tickets right here.

London.Rs83,505 per passenger.Departing Wed, 2 Dec.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Wed, 2 Dec, arriving in London Heathrow.Price includes taxes and charges.From Rs83,505, select.

London.Rs84,459 per passenger.Departing Sat, 10 Oct.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Sat, 10 Oct, arriving in London Heathrow.Price includes taxes and charges.From Rs84,459, select.

London.Rs84,646 per passenger.Departing Sun, 10 Jan.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Sun, 10 Jan, arriving in London Heathrow.Price includes taxes and charges.From Rs84,646, select.

London.Rs87,683 per passenger.Departing Sat, 10 Apr.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Sat, 10 Apr, arriving in London Heathrow.Price includes taxes and charges.From Rs87,683, select.

London.Rs87,709 per passenger.Departing Sat, 20 Feb.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Sat, 20 Feb, arriving in London Heathrow.Price includes taxes and charges.From Rs87,709, select.

London.Rs87,722 per passenger.Departing Mon, 23 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Mon, 23 Nov, arriving in London Heathrow.Price includes taxes and charges.From Rs87,722, select.

London.Rs87,722 per passenger.Departing Sat, 20 Mar.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Baltimore Washington International on Sat, 20 Mar, arriving in London Heathrow.Price includes taxes and charges.From Rs87,722, select.

London.Rs88,574 per passenger.Departing Wed, 2 Dec.One-way flight with Iberia.Outbound direct flight with Iberia departs from Baltimore Washington International on Wed, 2 Dec, arriving in London Heathrow.Price includes taxes and charges.From Rs88,574, select.

London.Rs89,152 per passenger.Departing Wed, 4 Aug.One-way flight with Iberia.Outbound direct flight with Iberia departs from Baltimore Washington International on Wed, 4 Aug, arriving in London Heathrow.Price includes taxes and charges.From Rs89,152, select.

London.Rs89,275 per passenger.Departing Sun, 14 Mar.One-way flight with British Airways.Outbound direct flight with British Airways departs from Baltimore Washington International on Sun, 14 Mar, arriving in London Heathrow.Price includes taxes and charges.From Rs89,275, select.

London.Rs89,275 per passenger.Departing Wed, 12 May.One-way flight with British Airways.Outbound direct flight with British Airways departs from Baltimore Washington International on Wed, 12 May, arriving in London Heathrow.Price includes taxes and charges.From Rs89,275, select.

London.Rs89,297 per passenger.Departing Sun, 4 Apr.One-way flight with British Airways.Outbound direct flight with British Airways departs from Baltimore Washington International on Sun, 4 Apr, arriving in London Heathrow.Price includes taxes and charges.From Rs89,297, select.

London.Rs89,297 per passenger.Departing Sun, 31 Jan.One-way flight with British Airways.Outbound direct flight with British Airways departs from Baltimore Washington International on Sun, 31 Jan, arriving in London Heathrow.Price includes taxes and charges.From Rs89,297, select.

London.Rs89,326 per passenger.Departing Wed, 28 Jul.One-way flight with British Airways.Outbound direct flight with British Airways departs from Baltimore Washington International on Wed, 28 Jul, arriving in London Heathrow.Price includes taxes and charges.From Rs89,326, select.

London.Rs89,377 per passenger.Departing Sun, 14 Feb.One-way flight with British Airways.Outbound direct flight with British Airways departs from Baltimore Washington International on Sun, 14 Feb, arriving in London Heathrow.Price includes taxes and charges.From Rs89,377, select.

London.Rs89,561 per passenger.Departing Sun, 29 Nov.One-way flight with British Airways.Outbound direct flight with British Airways departs from Baltimore Washington International on Sun, 29 Nov, arriving in London Heathrow.Price includes taxes and charges.From Rs89,561, select.

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

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 Heathrow flights are currently cheapest in December.

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Direct flights from Baltimore Washington International to London Heathrow

Baltimore Washington International to London Heathrow: Alternative routes

Compare routes from Baltimore Washington International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Washington D.C. to London: Flight information

The things to know before you go.

Cheapest flight found	Rs83,505
Cheapest month to fly	December
Average flight time	7 hrs, 16 mins
Most popular airline	American Airlines
Average flights per week	39

Finding cheap flights from Baltimore Washington International to London Heathrow: Frequently asked questions

How much are return flights from Baltimore Washington International to London Heathrow?

The best price we found for a return flight from Baltimore Washington International to London Heathrow is Rs179,131. 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 Heathrow?

7 hours and 16 minutes is the average flight time from Baltimore Washington International to London Heathrow.

Which airlines fly direct from Baltimore Washington International to London Heathrow?

American Airlines, British Airways and Finnair fly direct from Baltimore Washington International to London Heathrow.

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

As of August 2026, there are 39 flights per week flying from Baltimore Washington International to London Heathrow.

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

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

Which upcoming date is cheapest to fly from Baltimore Washington International Airport to London Heathrow Airport 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 Heathrow Airport on Friday, 8 January 2027.

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

Yes – the average flight time is 7 hours and 16 minutes.

How can I find the best flight deal to London Heathrow?

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 Heathrow 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.

Which is the cheapest airline to fly from Baltimore Washington International Airport to London Heathrow with?

Currently, Icelandair and Finnair offer the cheapest flight tickets to London Heathrow.

Flying from Baltimore Washington International Airport (BWI) to London Heathrow Airport (LHR): what you need to know

Around 7 hours 15 minutes is how long you can expect to be travelling on a direct flight from Baltimore Washington International Airport to London Heathrow Airport.
The timezone in London is UTC+0, which is five hours ahead of Washington DC.
Flights from BWI to LHR start at 20:30 — the first with British Airways. The last service of the day is at 21:30 with British Airways. Overall, there are seven weekly Baltimore Washington International Airport to London Heathrow Airport flights.
Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Make sure you're at the airport on time to board your BWI to LHR flight.
Be prepared for bigger queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.
British Airways is your gateway to discovering London (and maybe even some other great parts of the United Kingdom!). Check out the direct flights from Baltimore Washington International Airport to London Heathrow Airport offered by this popular airline.
The majority of passengers choose to fly with British Airways on this route.
British Airways is a leader in on-time performance for BWI to LHR flights, with 82.69% of services landing on schedule.
We make it easy to book a flight with a stopover. To see all your options for tickets from Baltimore Washington International Airport to London Heathrow Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit your chosen city. Top stopovers between BWI and LHR include:
- New York John F. Kennedy Airport
- Boston Logan International Airport
- Raleigh / Durham Airport

Handy information about Baltimore Washington International Airport (BWI)

Of all flights departing from Baltimore Washington International Airport, 77% land on schedule at their destination.
Central Washington DC to Baltimore Washington International Airport is approximately 48 kilometres. Depending on traffic, it'll take you about 40 minutes to get there if you're ride-sharing, catching a taxi or driving.
Planning to catch public transport? Expect a trip time of around 50 minutes.
Get your journey off to a relaxed start by staying near BWI. Whether you've booked an early flight from Baltimore Washington International Airport to London Heathrow Airport or just don't want to be rushed, these stays are ideal:

Arriving at London Heathrow Airport (LHR)

Reserve a hotel close to LHR if you have a late Baltimore Washington International Airport to London Heathrow Airport flight. Check in to one of these options and skip the long transfer after landing:
Travel at your own speed with a London Heathrow Airport rental car. Pick up your wheels from Surprice, U-Save or Green Motion and chase adventure across London and beyond.
Reserving your ride from London Heathrow Airport around one week ahead gives you the best chance of locking in a great deal.

When to fly to London Heathrow Airport (LHR)

The quietest month for a flight from Baltimore Washington International Airport to London Heathrow Airport is March, while July is the most popular. Pick the ideal time to visit London based on whether you prefer a bustling atmosphere or a more laid-back vibe.
Book your flight from Baltimore Washington International Airport to London Heathrow Airport for July if you want to go to London during its warmest month. Expect temperatures of between 11ºC and 26ºC.
January has average temperatures of between 0ºC and 9ºC. Look for cheap tickets from BWI to LHR sometime then if you want to travel when it's cooler.

Explore more of the United Kingdom

London is easy to fall in love with, but there are so many other corners of the United Kingdom you'll want to see. About 257 kilometres north-west of London, a trip to Manchester will fill your itinerary to the brim. Start with leading sights like Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.
Around 161 kilometres north-west of London, Birmingham is another favourite stop in the United Kingdom. No visit is complete without checking out Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.