Question 1

How long does it take to fly from BWI Airport to LHR?

Accepted Answer

British Airways has a direct flight departing from BWI Marshall at 9:15PM and coming in to land at LHR at 9:30AM — a total travel time of 7 hours and 15 minutes. Select the seat that's right for you, bring your headphones to keep you busy and the time will race by.

Question 2

Is it cheaper to buy a plane ticket from BWI Marshall to Heathrow Airport (LHR) last minute?

Accepted Answer

When it's time to book your flights, it's always better to be prepared. While it's possible to score a last-minute deal on a BWI Marshall to Heathrow Airport (LHR) flight, tickets usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days in advance. For international flights it's between three and four months.

Question 3

What airline has the least delays from BWI Airport to LHR?

Accepted Answer

Achieving an on-time rate of 58%, British Airways is the carrier that's more likely to fly you from BWI Airport to Heathrow Airport (LHR) without a delay. Flight delays can be an excuse to head to the airport bar. However, they can also lead to a missed connection or even ruin your entire vacation. Stay informed about delays by reviewing your flight status through the Expedia App before heading to the airport. If you're already there and the delay is lengthy, head to the customer service desk to find out your next steps.

Question 4

What airports do you fly into for London from Baltimore?

Accepted Answer

From Baltimore, you can get to London through Heathrow Airport (LHR), London City Airport (LCY) and Gatwick Airport (LGW). Determine which hub is more convenient for you before making your decision. If you opt for Heathrow Airport (LHR), it's about 23 kilometers west of the city center. Use the cash you save when booking your airfare with Expedia to enjoy the city's popular sights, such as Big Ben and Buckingham Palace.

Question 5

What are the most popular departure times for flights from BWI Airport to Heathrow Airport (LHR)?

Accepted Answer

Between 9:00 PM - 10:00 PM is when you'll find many British Airways flights making their way from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to London Heathrow. Our useful tip? Book a flight that departs early. With air traffic yet to build up, your chances of boarding a delay-free flight are higher.

Question 6

Can I change the date of my flight from BWI to LHR?

Accepted Answer

You can quickly and easily make changes to your BWI Airport to Heathrow Airport flight by logging in to the Expedia Trips portal. But before you make any amendments, read the ticket rules in your itinerary to find out what the carrier will allow you to do and what fees apply for changes. Some carriers have a change fee per person, in addition to any difference in airfares. But if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also find your way to our Customer Service portal for more handy information and to connect with our Virtual Agent.

Origin airport	Baltimore Washington Intl. Thurgood Marshall
Destination airport	Heathrow
Airlines serving	Aer Lingus, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Scandinavian Airlines, United, Virgin Atlantic
Roundtrip price	AED3,590
Distance	5799 km
Average flight time	7 hours 20 mins

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Heathrow Airport (LHR)

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