$428 Cheap British Airways flights Miami (MIA) to London (LHR)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap British Airways round-trip flights from $509 from MIA to LHR. Affordable one-way fares from $428 are also available.**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.

January is one of the most affordable months to fly to London with British Airways. You could also find great deals on one-way and round-trip fares in February.

Start your search for British Airways flights from MIA to LHR about one month before you want to go. The most affordable time to book an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your fare class or itinerary, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Travelers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**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.

Skip the layovers and fly from Miami Intl. Airport (MIA) to Heathrow Airport (LHR) on one of British Airways’s 13 weekly direct flights. Use Expedia’s “Nonstop” and “Airline” filters to find the British Airways flight that’ll land at LHR at a time that suits you.

From wheels-up to touchdown, a nonstop British Airways flight from Miami Intl. Airport (MIA) to Heathrow Airport (LHR) takes around 8h 27m.

If you’re looking for flexibility, Sunday offers the most choice for British Airways flights from Miami Intl. Airport (MIA) to Heathrow Airport (LHR). You can select from 2 different departures.

Setting off from MIA at 5:15PM UTC-5, the earliest British Airways flight to LHR arrives at 6:50AM UTC+0. Flying earlier in the day means you’re less likely to encounter delays.* Don’t like early starts? The last British Airways flight from MIA to LHR departs at 10:05PM UTC-5 and touches down at 11:30AM UTC+0.*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.

Many British Airways flights from Miami Intl. Airport (MIA) to London land at Heathrow Airport (LHR). This is the airline’s main point of entry here. It’s worth browsing Expedia for flights to nearby airports like Gatwick Airport (LGW), as fares may be lower.

On a standard economy flight with British Airways from MIA to LHR, passengers can bring 1 checked-in bag up to 50 lb with dimensions no larger than 29 inches x 15 inches x 16 inches in total. For hand luggage, you’re permitted 2 cabin bags weighing up to 50 lb and measuring less than 19 inches x 9 inches x 17 inches. Weight and size limits may vary based on your fare type and cabin class. To make sure you don’t get caught with additional fees at the airport, double-check your British Airways booking or look up the airline’s website before packing.

British Airways makes flying from MIA to LHR more enjoyable with a 4-star airline rating and top-tier customer service. You even have the chance to collect points with British Airways Executive Club. Remember to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

British Airways typically operates Airbus A380-800 planes for journeys from Miami Intl. Airport (MIA) to Heathrow Airport (LHR). Remember that aircraft type can vary depending on operational requirements, so the plane you’ll be on might be different on your travel date.

Depending on your fare type, a fee will generally apply if you cancel or change your booking more than 24 hours after it’s been confirmed. To find flexible fares, select our “No cancel fee” or “Changes included” filter while searching for flights. To learn more about canceling or modifying your reservation, visit “Trips,” select your flight and tick “Manage Booking.”