$438 Cheap British Airways flights Miami (MIA) to London (LHR)

View $438 flight on Sun, Oct 19, 2025Opens in a new window

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$438 Cheap British Airways flights Miami (MIA) to London (LHR)

Prices were available within the past 7 days and start at $438 for one-way flights and $452 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, Jul 25 - Mon, Aug 11
MIA
Miami
LHR
London
$452 Roundtrip, found 1 day ago
$452
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Jul 25 from Miami to London, returning Mon, Aug 11, priced at $452 found 1 day ago
British Airways
Fri, Jul 25 - Mon, Aug 11
MIA
Miami
LHR
London
$456 Roundtrip, found 1 day ago
$456
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, Jul 25 from Miami to London, returning Mon, Aug 11, priced at $456 found 1 day ago
British Airways
Mon, Aug 4 - Sun, Aug 17
MIA
Miami
LHR
London
$485 Roundtrip, found 6 hours ago
$485
Roundtrip
found 6 hours ago
Select British Airways flight, departing Mon, Aug 4 from Miami to London, returning Sun, Aug 17, priced at $485 found 6 hours ago
British Airways
Mon, Aug 11 - Thu, Sep 11
MIA
Miami
LHR
London
$486 Roundtrip, found 3 days ago
$486
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Aug 11 from Miami to London, returning Thu, Sep 11, priced at $486 found 3 days ago
British Airways
Mon, Sep 29 - Wed, Oct 1
MIA
Miami
LHR
London
$515 Roundtrip, found 11 hours ago
$515
Roundtrip
found 11 hours ago
Select British Airways flight, departing Mon, Sep 29 from Miami to London, returning Wed, Oct 1, priced at $515 found 11 hours ago
British Airways
Sun, Jul 6 - Mon, Jul 14
MIA
Miami
LHR
London
$517 Roundtrip, found 3 hours ago
$517
Roundtrip
found 3 hours ago
Select British Airways flight, departing Sun, Jul 6 from Miami to London, returning Mon, Jul 14, priced at $517 found 3 hours ago
British Airways
Thu, Sep 25 - Mon, Sep 29
MIA
Miami
LHR
London
$555 Roundtrip, just found
$555
Roundtrip
just found
Select British Airways flight, departing Thu, Sep 25 from Miami to London, returning Mon, Sep 29, priced at $555 just found
British Airways
Thu, Sep 25 - Mon, Sep 29
MIA
Miami
LHR
London
$560 Roundtrip, just found
$560
Roundtrip
just found
Select British Airways flight, departing Thu, Sep 25 from Miami to London, returning Mon, Sep 29, priced at $560 just found
Flights from Miami (MIA) to London (LHR)
Origin airport
Miami Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic, avianca
Popular airline
British Airways
Distance
4416 mi
Average flight time
13 hours 52 mins

Frequently asked questions

How much is a British Airways flight from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
Set the "Price (lowest to highest)" filter on Expedia to search for cheap British Airways round-trip flights from $452 from MIA to LHR. Affordable one-way fares from $438 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.
What is the cheapest month to fly from MIA to LHR with British Airways?
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.
What is the cheapest time to book flights from Miami Intl. Airport (MIA) to Heathrow Airport (LHR) with British Airways?
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.
Does British Airways fly nonstop from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
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.
How long does it take to fly from MIA to LHR with British Airways?
From wheels-up to touchdown, a nonstop British Airways flight from Miami Intl. Airport (MIA) to Heathrow Airport (LHR) takes around 8h 27m.
Which day of the week has the most British Airways flights from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
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.
What is the earliest British Airways flight from MIA to LHR?
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.
What airports does British Airways fly into in London?
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.
What kind of luggage can I take on a British Airways flight from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
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.
Why fly with British Airways from MIA to LHR?
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.
What type of plane does British Airways fly from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
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.
Can I change or cancel my British Airways flight from Miami Intl. Airport (MIA) to Heathrow Airport (LHR)?
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."

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