Cheap Flights from London (LHR) to Baltimore (BWI) from HK$3,751~

Round-trip flights from LHR to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) start from HK$5,654. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.

We understand that your situation can change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for London Heathrow to BWI flights, you'll see a "no change fees" filter for you to select.

Hounslow to Baltimore is around 5,800 kilometers, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your eye mask to your earphones. Take a few snacks to munch on throughout your journey too.

Check out the deals on offer with British Airways (BA) if you want to fly directly from LHR to BWI. This carrier operates 21 flights every month, so you're sure to find one that suits your schedule.

Last-minute planners can sometimes pick up a bargain, with some super cheap airfares from LHR to BWI Airport popping up a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not every airline advertises prices that far in advance.