Cheap flights from London Heathrow to Baltimore Washington International

Compare London Heathrow to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

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Flight deals from London Heathrow to Baltimore Washington International

Looking for a cheap last-minute deal or the best round-trip flight from London Heathrow to Baltimore Washington International? Find the lowest prices on one-way and round-trip tickets right here.

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

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

Direct flights from London Heathrow to Baltimore Washington International

London Heathrow to Baltimore Washington International: Alternative routes

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

London to Washington, D.C.: Flight information

The things to know before you go.
Cheapest flight found$425
Cheapest month to flySeptember
Average flight time8 hrs, 14 mins
Most popular airlineAer Lingus
Average flights per week52

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

The best price we found for a round-trip flight from London Heathrow to Baltimore Washington International is $425. 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.
8 hours and 14 minutes is the average flight time from London Heathrow to Baltimore Washington International.
Aer Lingus, American Airlines and Iberia fly direct from London Heathrow to Baltimore Washington International.
There are 52 flights per week flying from London Heathrow to Baltimore Washington International, as of October 2024.
The cheapest month to fly from London Heathrow to Baltimore Washington International is usually October 2024.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Baltimore Washington International Airport on Monday, September 1, 2025.
Yes – the average flight time is 8 hours and 14 minutes.
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 Baltimore Washington International 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.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, British Airways offers the cheapest flight tickets to Baltimore Washington International.

Traveling from London Heathrow Airport (LHR) to Baltimore/Wash International Thurgood Marshall Airport (BWI): what you need to know

  • 8 hours 15 minutes is the average duration of a direct flight from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport. Washington DC is 4 hours behind London and operates on the UTC-4 timezone.

  • Choose from 9 weekly flights from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport. The 15:25 departure with British Airways is the earliest available between LHR and BWI. British Airways operates the last service of the day at 21:40 if you'd rather not get up at the crack of dawn.

  • If you're flying during a peak month like July, arrive at the terminal even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of a domestic departure. Expect lines to be longer during peak periods like summer and spring break.

  • British Airways has direct flights from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport. Book with this popular airline, then get ready to take in the sights in Washington DC — and maybe even more of United States if your schedule allows.

  • We make it a breeze to get a flight with a stopover. To look at the options for flights from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to explore the city of your choice. Some popular stopovers between LHR and BWI include:

    • John F. Kennedy International Airport

    • Raleigh-Durham International Airport

    • Logan International Airport

  • To find out whether you need a visa to enter United States, check with your carrier and the local consulate or embassy. They'll give you all the necessary information, including additional documents you may need after booking your cheap ticket from LHR to BWI.

How to find the cheapest flights from London Heathrow Airport (LHR) to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • The best price we've seen for a one-way ticket from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport is $259. The cheapest price for a return flight is $425. Bear in mind that fares can change due to demand when booking.

  • Get cheap tickets from LHR to BWI by booking 8 months ahead. According to our research, that's the sweet spot for bagging a bargain.

  • Plan your trip for April. That's the cheapest month for tickets from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport. If you're flexible on when you fly, try out the 'Whole month' tool to see the lowest price across every month.

  • Snapping up a cheap ticket from LHR to BWI is straightforward with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when the price has dropped.

  • Use filters to find the ideal journey for you. To see the 'Fastest,' 'Best' or 'Cheapest' flights from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about London Heathrow Airport (LHR)

  • London Heathrow Airport is around 31 kilometers from central London. If you're catching a cab, driving or ride-sharing from the center, it'll take you 57 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be approximately 1 hour and 1 minute.

  • Have an early flight from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport? Avoid the last-minute rush to the airport (and catch some extra z's) by picking one of these hotels close to LHR:

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • From Baltimore/Wash International Thurgood Marshall Airport, Washington DC is approximately 48 kilometers away. It takes around 48 minutes to get to the center driving.

  • Traveling to the center by public transport takes roughly 1 hour and 32 minutes.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • July is the busiest month for flights from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport. To avoid the crowds, visit Washington DC in May.

  • When reserving your flight from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport, think about the type of weather you like. July is the warmest month in Washington DC, with temperatures ranging from 19ºC to 33ºC.

  • For cooler conditions, search for a cheap ticket from LHR to BWI in January. Average temperatures are between -6ºC and 10ºC then.

More about Washington DC

  • If you're looking for somewhere to lay your head, you can find the best places to stay in Washington DC right here. Browse these options once you've booked your flight from LHR to BWI:

  • White House Historical Association and The White House are just the start of the big attractions to add to your Washington DC must-do list. Keep the adventure rolling by checking out National Mall.

  • Washington DC has a variety of international airports to choose from. Consider your options for jetting in or out of Ronald Reagan National Airport (DCA) and Washington Dulles International Airport (IAD).

Complete your Washington DC trip with hotels and a car rental

  • After you've secured your cheap ticket to Baltimore/Wash International Thurgood Marshall Airport, browse the lowest prices and exclusive rates for hotels. You can also compare a range of car rental companies in one place to find the best car rental price for your Washington DC vacation.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.