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440 € 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

Book the best Baltimore Washington International fare with no extra fees

Flight deals from London Heathrow to Baltimore Washington International

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Baltimore Washington International? Find the lowest prices on one-way and return tickets right here.
Washington D.C..440 € per passenger.Departing Thu, 4 Sep, returning Fri, 12 Sep.Return flight with Aer Lingus and Fly Play.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Thu, 4 Sep, arriving in Baltimore Washington International.Inbound indirect flight with Fly Play, departs from Baltimore Washington International on Fri, 12 Sep, arriving in London Heathrow.Price includes taxes and charges.From 440 €, select.
Washington D.C..505 € per passenger.Departing Thu, 2 Oct, returning Mon, 6 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Thu, 2 Oct, arriving in Baltimore Washington International.Inbound indirect flight with Icelandair, departs from Baltimore Washington International on Mon, 6 Oct, arriving in London Heathrow.Price includes taxes and charges.From 505 €, select.
Washington D.C..511 € per passenger.Departing Wed, 24 Sep, returning Wed, 1 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Wed, 24 Sep, arriving in Baltimore Washington International.Inbound indirect flight with Icelandair, departs from Baltimore Washington International on Wed, 1 Oct, arriving in London Heathrow.Price includes taxes and charges.From 511 €, select.
Washington D.C..515 € per passenger.Departing Fri, 29 Aug, returning Tue, 16 Sep.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Fri, 29 Aug, arriving in Baltimore Washington International.Inbound indirect flight with Icelandair, departs from Baltimore Washington International on Tue, 16 Sep, arriving in London Heathrow.Price includes taxes and charges.From 515 €, select.
Washington D.C..516 € per passenger.Departing Fri, 28 Nov, returning Tue, 9 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Fri, 28 Nov, arriving in Baltimore Washington International.Inbound indirect flight with Icelandair, departs from Baltimore Washington International on Tue, 9 Dec, arriving in London Heathrow.Price includes taxes and charges.From 516 €, select.
Washington D.C..516 € per passenger.Departing Thu, 12 Feb, returning Mon, 16 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Thu, 12 Feb, arriving in Baltimore Washington International.Inbound indirect flight with Icelandair, departs from Baltimore Washington International on Mon, 16 Feb, arriving in London Heathrow.Price includes taxes and charges.From 516 €, select.
Washington D.C..516 € per passenger.Departing Thu, 6 Nov, returning Sun, 9 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Thu, 6 Nov, arriving in Baltimore Washington International.Inbound indirect flight with Icelandair, departs from Baltimore Washington International on Sun, 9 Nov, arriving in London Heathrow.Price includes taxes and charges.From 516 €, select.
Washington D.C..516 € per passenger.Departing Thu, 19 Mar, returning Mon, 23 Mar.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Thu, 19 Mar, arriving in Baltimore Washington International.Inbound indirect flight with Icelandair, departs from Baltimore Washington International on Mon, 23 Mar, arriving in London Heathrow.Price includes taxes and charges.From 516 €, select.

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.
Aug
from 543 €
Sep
from 440 €
Oct
from 505 €
Nov
from 516 €
Dec
from 517 €
Jan
from 516 €
Feb
from 516 €
Mar
from 516 €
Apr
from 599 €
May
from 599 €
Jun
from 674 €
Jul
from 675 €

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 found440 €
Cheapest month to flySeptember
Average flight time8 hrs, 13 mins
Most popular airlineAer Lingus
Average flights per week42

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

The best price we found for a return flight from London Heathrow to Baltimore Washington International is 440 €. 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 13 minutes is the average flight time from London Heathrow to Baltimore Washington International.
Aer Lingus, American Airlines and Finnair fly direct from London Heathrow to Baltimore Washington International.
As of August 2025, there are 42 flights per week flying from London Heathrow to Baltimore Washington International.
The cheapest month to fly from London Heathrow to Baltimore Washington International is usually September.
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 Thursday, 4 September 2025.
Yes – the average flight time is 8 hours and 13 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.
Currently, Aer Lingus and British Airways offer the cheapest flight tickets to Baltimore Washington International.

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

  • The average duration of a direct flight from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport is 8 hours 15 minutes.

  • Washington DC is four hours behind London and follows the UTC-4 timezone.

  • Flights from LHR to BWI start at 15:25 — the first with British Airways. The latest departure is at 16:35 with British Airways. Overall, you can choose from nine weekly London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport with enough time to catch your LHR to BWI flight.

  • During popular months such as July, it's best to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're travelling during a high season in general.

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

  • British Airways is the most frequently booked airline on this route.

  • The carrier with the most reliable on-time arrival rate for LHR to BWI flights is British Airways.

  • Consider adding a stopover when booking your ticket from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Check out these options between LHR and BWI:

    • Logan International Airport

    • John F. Kennedy International Airport

    • Raleigh-Durham International Airport

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

  • The lowest price we've seen for a one-way London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport flight is 315 €. A return fare is currently 440 €. Depending on the availability when you book, these fares can change.

  • Score cheap tickets from LHR to BWI by booking five months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • Plan your trip for April. That's the cheapest month for flights from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport. If you have flexibility with your dates, try out the 'Whole month' tool to see the lowest price across each month.

  • Picking up cheap flights from LHR to BWI couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a new deal comes up.

  • Lock in the perfect flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about London Heathrow Airport (LHR)

  • 68.18% of flights that depart London Heathrow Airport touch down at their destination on schedule.

  • London Heathrow Airport is around 31 kilometres from central London. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 55 minutes or so to arrive, depending on the traffic.

  • Planning to take public transport? Expect a trip time of around 1 hour.

  • Searching for a handy hotel close to LHR? If you're boarding an early flight from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport, these accommodation options will have you sleeping moments from your departure lounge:

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

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

  • Baltimore/Wash International Thurgood Marshall Airport to central Washington DC has a drive time of about 50 minutes. It's approximately 48 kilometres away.

  • Getting there by public transport will take you around 1 hour 30 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 skip the crowds, head to Washington DC in May.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Book your flights from London Heathrow Airport to Baltimore/Wash International Thurgood Marshall Airport in this month if this is the type of weather you like.

  • Look for cheap tickets from LHR to BWI in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of United States

  • You've done Washington DC, now it's time to discover more of United States. Travel around 322 kilometres north-east to New York to tick off its leading attractions. From Statue of Liberty to Central Park and Empire State Building, your itinerary will be busy.

  • Philadelphia is another well-known destination in United States and is around 193 kilometres north-east of Washington DC. No journey is complete without a visit to Liberty Bell, Independence Hall and Philadelphia Museum of Art.

More travel options

Plan the rest of your trip from London to Washington D.C.

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