$321 Cheap Flights from Baltimore to London

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Find The Best Dates To Fly from Baltimore Washington Intl. Thurgood Marshall to Heathrow

Amazing BWI to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $502 round trip and $321 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for BWI to LHR

CarrierFlightDepart BWIArrive LHRTue
BA22808:35 pm08:30 amCheck Fare
Check FareCheck FareCheck Fare
Check Fare
0 Stops

Best Heathrow Flight and Hotel Packages

Heathrow flight + hotel packages - economy flights

The Londoner
The Guardsman
The Strand Palace Hotel
The Henrietta Hotel
The Cavendish London
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Frequently asked questions

Can I catch a flight from BWI to Heathrow Airport (LHR) right now?
Ensure you go to the Covid-19 Travel Advisor to discover if there are any present quarantine requirements and travel advice reports in effect in London Heathrow when flying in from BWI Airport.
Are there direct flights from BWI to Heathrow Airport?
If you’re not a huge fan of stopovers, you’ll want to book your flight from BWI Marshall to Heathrow Airport (LHR) in advance. British Airways is the only carrier that operates nonstop flights on this route.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to London Heathrow, please visit our Customer Service Portal.
How long is the flight from BWI Marshall to London Heathrow?
It takes an average of 11 hours and 35 minutes to travel from BWI Airport to Heathrow Airport. For such a lengthy flight, you’ll benefit from being as comfortable as possible. Think about bringing a travel pillow for better sleep, packing a few snacks and wearing loose-fitting, layered clothes.
What is the flight distance from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport?
From BWI to Heathrow Airport, the flight distance is 3,600 mi. So, it’ll be wise to have a good variety of entertainment options. Audio books, movies, podcasts … Whatever interests you. If you come prepared, it won’t feel like too long before you hear the call to prepare for landing.
What airlines fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to London Heathrow?
Want to fly straight from BWI to London Heathrow? It’s your lucky day. British Airways (BA) offers up to 13 flights per month and is the preferred choice for many well-traveled wanderers.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with British Airways, Virgin Atlantic or SAS you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From
Baltimore Washington Intl. Thurgood Marshall
Traveling To
Shortest Flight Time
6 hours 55 mins
Earliest Departure Time
9:00PM EST
Latest Departure Time
9:00PM EST
Lowest Flight Price

Route Info

Flight path for flights from Baltimore/Wash International Thurgood Marshall Airport to London Heathrow Airport

3,645.00 miles

Airlines & Aircraft Used on BWI to LHR Flight Routes

Airline Carrier
American Airlines
Boeing 737-700 pax
American Airlines
Boeing 737-800 pax
Jet Airways (India)
Aerospatiale/Alenia ATR 42/ ATR 72

Discover our best flights from Baltimore BWI to London LHR. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Baltimore BWI to London LHR at the right price  

Airfares to London LHR from Baltimore BWI currently cost between $502 and $565. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Baltimore BWI to London LHR 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Baltimore BWI to London LHR on Travelocity starting at $321. Prices and availability subject to change. Additional terms may apply. 


Get to London LHR from Baltimore BWI quicker with direct flights. 

Get to London faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to LHR from BWI to take around 6 hour(s) 55 min(s).  


Find our cheapest airfares for flights from Baltimore BWI to London LHR

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to LHR from BWI. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Baltimore BWI to London LHR today 

If you’re flexible about when you travel, October is usually the cheapest month to fly from Baltimore BWI to London LHR. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to London LHR from Baltimore BWI 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to LHR from BWI have this option.  


Travel with confidence when you book flights to London LHR from Baltimore BWI with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.