Cheap flights from Miami to London Heathrow Airport from £291
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
5 Oct — 12 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or April, booked 55 days in advance, depart on a Tuesday or Thursday and return on a Wednesday
Cheap flight deals from Miami to Heathrow
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Miami to Heathrow
Explore the most affordable flight options available from Miami to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 September 2026.
Sun 25/1018:15 -
1 stop12h 35m
Sat 31/1012:10 -
Nonstop9h 45m
Deal found 31/8£609
Sat 24/1011:09 -
2 stops27h 21m
Wed 28/1019:30 -
1 stop27h 35m
Deal found 31/8£611
Sat 21/1107:00 -
2 stops21h 20m
Sun 29/1121:05 -
2 stops26h 00m
Deal found 31/8£613
Thu 10/907:06 -
2 stops29h 34m
Fri 18/907:05 -
2 stops21h 10m
Deal found 31/8£614
Tue 29/921:35 -
1 stop11h 40m
Tue 6/1015:10 -
2 stops33h 35m
Deal found 1/9£614
Thu 17/914:15 -
2 stops20h 45m
Thu 24/919:30 -
2 stops32h 45m
Deal found 1/9£615
Wed 14/1016:20 -
1 stop18h 15m
Wed 21/1006:00 -
1 stop22h 25m
Deal found 1/9£616
Sun 4/1019:45 -
1 stop14h 55m
Tue 20/1020:50 -
2 stops27h 55m
Deal found 1/9£617
Wed 9/1213:15 -
2 stops22h 50m
Wed 16/1211:25 -
1 stop14h 25m
Deal found 2/9£617
Sun 4/1016:20 -
1 stop25h 35m
Tue 20/1006:00 -
1 stop13h 35m
Deal found 1/9£618
Wed 25/1117:15 -
2 stops16h 30m
Tue 1/1206:30 -
2 stops19h 20m
Deal found 4/9£619
Tue 15/907:06 -
2 stops21h 29m
Fri 18/907:05 -
2 stops21h 10m
Deal found 1/9£620
Best flights from Miami to Heathrow
Discover carefully curated flight deals from Miami to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.
Thu 24/1211:43 -
2 stops23h 17m
Tue 5/119:50 -
2 stops27h 15m
Deal found 2/9£625
Tue 19/117:10 -
Nonstop8h 20m
Fri 29/106:20 -
1 stop16h 20m
Deal found 2/9£643
Wed 6/109:00 -
2 stops17h 10m
Tue 19/106:50 -
2 stops17h 06m
Deal found 31/8£651
Tue 15/1219:15 -
1 stop16h 45m
Mon 21/1218:10 -
1 stop28h 20m
Deal found 31/8£653
Tue 22/918:05 -
Nonstop9h 00m
Thu 1/1006:30 -
1 stop13h 15m
Deal found 31/8£764
Sun 22/1119:55 -
1 stop32h 25m
Sat 28/1110:35 -
2 stops36h 30m
Deal found 4/9£631
Tue 5/119:30 -
1 stop11h 10m
Tue 19/109:40 -
Nonstop9h 55m
Deal found 31/8£663
Thu 3/1212:18 -
1 stop12h 37m
Fri 11/1206:35 -
1 stop15h 20m
Deal found 3/9£671
Thu 24/914:15 -
2 stops20h 45m
Sun 4/1019:30 -
2 stops34h 24m
Deal found 2/9£645
Wed 7/1007:00 -
2 stops18h 30m
Wed 14/1006:50 -
2 stops17h 02m
Deal found 1/9£696
Thu 17/914:15 -
2 stops20h 45m
Sun 20/917:00 -
2 stops34h 33m
Deal found 1/9£704
Direct flights from Miami to Heathrow
Explore direct flight options from Miami to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 September 2026.
Sun 6/1217:10 -
Nonstop8h 35m
Sun 17/111:50 -
Nonstop10h 00m
Deal found 1/9£615
Tue 1/1222:50 -
Nonstop8h 45m
Tue 8/1211:15 -
Nonstop10h 00m
Deal found 1/9£616
Wed 27/118:05 -
Nonstop9h 10m
Wed 3/211:50 -
Nonstop10h 00m
Deal found 31/8£617
Wed 13/117:10 -
Nonstop8h 20m
Tue 26/114:30 -
Nonstop10h 00m
Deal found 5/9£620
Mon 11/117:10 -
Nonstop8h 20m
Tue 26/109:45 -
Nonstop9h 55m
Deal found 5/9£620
Wed 13/117:10 -
Nonstop8h 20m
Mon 25/109:45 -
Nonstop9h 55m
Deal found 5/9£623
Tue 6/1022:45 -
Nonstop8h 50m
Tue 20/1012:15 -
Nonstop9h 45m
Deal found 3/9£626
Sun 27/1222:00 -
Nonstop8h 30m
Mon 11/110:05 -
Nonstop10h 00m
Deal found 31/8£639
Thu 3/1222:00 -
Nonstop8h 30m
Sun 6/1214:30 -
Nonstop10h 00m
Deal found 3/9£645
Wed 13/122:00 -
Nonstop8h 30m
Tue 19/109:45 -
Nonstop9h 55m
Deal found 3/9£645
Last-minute flights from Miami to Heathrow
Discover last-minute flight deals from Miami to Heathrow. Data last updated 5 September 2026 and is based on user searches.
Thu 10/907:06 -
2 stops29h 34m
Fri 18/907:05 -
2 stops21h 10m
Deal found 31/8£614
Tue 15/911:29 -
2 stops17h 06m
Fri 25/910:20 -
2 stops17h 55m
Deal found 3/9£617
Tue 15/907:06 -
2 stops21h 29m
Fri 18/907:05 -
2 stops21h 10m
Deal found 1/9£620
Thu 17/914:15 -
2 stops20h 45m
Thu 24/919:30 -
2 stops32h 45m
Deal found 1/9£615
Mon 28/910:45 -
2 stops28h 20m
Tue 13/1020:50 -
2 stops28h 50m
Deal found 31/8£621
Tue 29/921:35 -
1 stop11h 40m
Tue 6/1015:10 -
2 stops33h 35m
Deal found 1/9£614
Sun 4/1019:45 -
1 stop14h 55m
Tue 20/1020:50 -
2 stops27h 55m
Deal found 1/9£617
Sun 4/1016:20 -
1 stop25h 35m
Tue 20/1006:00 -
1 stop13h 35m
Deal found 1/9£618
Wed 14/1016:20 -
1 stop18h 15m
Wed 21/1006:00 -
1 stop22h 25m
Deal found 1/9£616
Sat 24/1011:09 -
2 stops27h 21m
Wed 28/1019:30 -
1 stop27h 35m
Deal found 31/8£611
Sun 25/1018:15 -
1 stop12h 35m
Sat 31/1012:10 -
Nonstop9h 45m
Deal found 31/8£609
One-way flights from Miami to Heathrow
Search for one-way flight options from Miami to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.
Thu 1/1020:50 -
2 stops33h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£291
Sun 13/920:50 -
2 stops33h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£292
Tue 3/1122:36 -
3 stops29h 29m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£294
Wed 30/921:45 -
1 stop14h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£295
Fri 25/1219:55 -
1 stop32h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£296
Sat 3/1005:22 -
2 stops23h 08m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£297
Fri 25/1218:05 -
Nonstop9h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 2/9£298
Wed 7/1016:20 -
2 stops16h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 4/9£299
Fri 11/908:10 -
2 stops24h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 5/9£299
Mon 28/922:00 -
1 stop30h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 3/9£301
Find flight deals from Miami to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 September 2026.
Customise your flight search to find flights from Miami to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 5 September 2026.
Use the filters below to find and compare flights from Miami to London Heathrow Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Fri 9/10
16:30-15:40
1 stop18h 10m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£321
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Thu 8/10
19:50-15:40
1 stop14h 50m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£321
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Sat 31/10
21:40-09:10
1 stop31h 30m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£324
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Mon 9/11
22:50-12:35
Nonstop8h 45m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£339
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Mon 5/10
18:05-08:05
Nonstop9h 00m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£339
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Wed 30/9
18:05-08:05
Nonstop9h 00m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£339
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Tue 3/11
22:50-12:35
Nonstop8h 45m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£339
Fastest return journey
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Tue 10/11
17:10-06:30
Nonstop8h 20m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£339
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Wed 30/9
18:05-08:05
Nonstop9h 00m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£339
MiamiLondon
MIA Miami - LHR London Heathrow
MIALHR
Miami
Tue 6/10
18:05-08:05
Nonstop9h 00m
London Heathrow
Wed 31/12
00:00-18:00
Nonstop0h 00m
£339
Flights are sorted by cheapest return flights first.
Deals found on 4/9
Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Miami to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Miami with our price prediction graph.
MIA-LHR
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Miami to London Heathrow Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Miami to London Heathrow Airport?
Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Miami to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Miami to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £506). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £924). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MIA to LHR?
Find hourly flight availability from Miami to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 September 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Miami to London Heathrow Airport as you normally would.
How much does it cost for a return flight from Miami to London Heathrow Airport?
Airfare is below average for this route at the moment.
Miami to London Heathrow Airport flights typically cost between £663 and £837 in October.The cheapest return price found within the last 5 days was £609 on Multiple Airlines (25 Oct–31 Oct).
Weekly flight availability from Miami to London Heathrow Airport
Explore weekly flight availability from Miami to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 5 September 2026.
The most flights from MIA to LHR are scheduled on a Thursday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).
How often are flights from Miami to London delayed?
About 14% of weekly flights between Miami and London have experienced delays in the past year, with the average delay time being 159 minutes.
What is the most punctual flight time for Miami to London flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Miami to London flights?
Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 8% of flights being delayed.
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 5 September 2026.
Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as KLM,Virgin Atlantic, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
They didn’t offer any options for breakfast and had only one option which was cold meat and cheese. I would expect at least one more option in premium economy
Related info for your journey
Find useful and relevant information for your journey from Miami to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Miami to London Heathrow?
If you book a flight to London Heathrow from Miami, you will be flying from Miami, which is the city’s only airport. Miami (MIA) is located 6.1 mi from the center of Miami. There are 15 flights from Miami to London Heathrow per day from 4 different airlines.
How long is the flight from Miami to London Heathrow Airport?
Departing from Miami to London Heathrow Airport will take you 16h 45m. Airlines will cover a distance of 4414 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Miami to London Heathrow Airport round-trip?
KLM, at £429, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines flying return to your destination include Virgin Atlantic and British Airways. KLM is currently priced 39% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Miami to London Heathrow Airport one-way?
For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £122. Users have also found prices from £233 and £240 on Iberia and Delta, respectively.
What are the most reliable airlines from Miami to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Miami to London Heathrow Airport on time: KLM (90%), Air France (90%), Delta (90%).
What are the cheapest flights from Miami to London Heathrow Airport?
While on average a flight from Miami to London Heathrow Airport is generally £1,182, our data shows the cheapest flight currently is £237. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £377 for that flight.
Can I find deals for business class flights from Miami to Heathrow?
Yes. Cheapflights offers flight deals from Miami to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Miami to London Heathrow Airport?
Currently, February is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £506). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £924). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 September 2026.
Discover the top 4 airlines that operate flights from Miami to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 5 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Miami to Heathrow?
Cheapflights makes it easy to find Miami to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Miami to Heathrow?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Miami.
Can Cheapflights find flights from Miami to Heathrow with no change fees?
Yes! Cheapflights helps users easily find flights from Miami to Heathrow with no change fees.
Can Cheapflights notify me if prices for flights from Miami to Heathrow become cheaper?
Yes! Start tracking prices for Miami to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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