$303 Cheap Delta flights Boston (BOS) to London (LHR)

Scoring cheap one-way Delta Air Lines flights from BOS to LHR from $303 on Expedia is easy — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $474 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Look for one-way or return flights to London in January or February. You could find an affordable fare with Delta Air Lines during these off-peak times.

To get cheap flights from BOS to LHR with Delta Air Lines, begin your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Delta Air Lines offers direct flights from Logan Intl. Airport (BOS) to Heathrow Airport (LHR), with 7 weekly departures. Simply apply the “Nonstop” and “Airline” filters while searching on Expedia to see all direct Delta Air Lines flights to LHR.

Depart Logan Intl. Airport (BOS) for Heathrow Airport (LHR) on a nonstop Delta Air Lines flight, and you’ll be airborne for around 6h 40m.

The earliest flight from BOS to LHR with Delta Air Lines leaves at 7:25PM UTC-5. You’ll touch down at 7:05AM UTC+0. The final Delta Air Lines flight of the day leaves at 7:25PM UTC-5 and arrives at 7:05AM UTC+0. With around 20% fewer cancellations for early and mid-morning departures, beginning your travel day early is usually the smartest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from Logan Intl. Airport (BOS) to London arrive at Heathrow Airport (LHR). This is the main entry point here.

With an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is the leading choice for many travelers heading from BOS to LHR. Also, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely board an Airbus A330-200 or an Airbus A330-900neo when flying Delta Air Lines from Logan Intl. Airport (BOS) to Heathrow Airport (LHR). However, keep in mind that a different aircraft could be assigned to your route depending on operational reasons.

Typically, you can cancel or change your flight, although there may be a charge if your booking was made over 24 hours ago. Need flexible options? Make use of our “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you have to revise your plans. To update your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more information.