Cheap flights from Miami to London Heathrow Airport from £268

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
8 Jan — 15 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Miami to London Heathrow are usually found in February or September, booked 38 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Miami to Heathrow

Enter your travel dates to find the best prices.

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 9 December 2025.

Tue 30/1208:30MIA - LHR
1 stop31h 50mAustrian Airlines
Mon 12/119:25LHR - MIA
2 stops24h 15mAustrian Airlines
Deal found 7/12£465
Tue 30/1221:05MIA - LHR
2 stops18h 30mAir Canada
Wed 28/109:00LHR - MIA
2 stops20h 16mAir Canada
Deal found 8/12£467
Tue 30/1208:45MIA - LHR
1 stop16h 55mUnited Airlines
Sun 25/109:00LHR - MIA
1 stop13h 30mUnited Airlines
Deal found 8/12£477
Tue 30/1213:20MIA - LHR
1 stop12h 50mAir Canada
Sat 24/106:50LHR - MIA
2 stops20h 39mAir Canada
Deal found 8/12£479
Tue 30/1208:00MIA - LHR
1 stop18h 10mMultiple Airlines
Mon 12/120:05LHR - MIA
1 stop23h 35mMultiple Airlines
Deal found 6/12£487
Wed 31/1214:25MIA - LHR
1 stop13h 00mLufthansa
Mon 12/119:30LHR - MIA
1 stop24h 10mLufthansa
Deal found 7/12£490
Tue 30/1212:00MIA - LHR
1 stop12h 55mUnited Airlines
Tue 3/209:00LHR - MIA
1 stop13h 30mUnited Airlines
Deal found 7/12£491
Wed 31/1217:10MIA - LHR
Nonstop8h 50mDelta
Tue 3/206:30LHR - MIA
1 stop13h 20mDelta
Deal found 7/12£492
Wed 31/1213:15MIA - LHR
1 stop12h 05mUnited Airlines
Mon 2/213:45LHR - MIA
1 stop29h 55mUnited Airlines
Deal found 7/12£494
Wed 31/1217:10MIA - LHR
Nonstop8h 50mDelta
Thu 15/111:30LHR - MIA
1 stop13h 50mDelta
Deal found 6/12£496
Tue 30/1222:25MIA - LHR
Nonstop8h 40mIberia
Tue 27/111:25LHR - MIA
1 stop14h 20mIberia
Deal found 8/12£497

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 9 December 2025.

Round-trip from

£461

One-way from

£268

Popular in

December

Cheapest in

February

Average price

£747

Good round-trip deal

£536 or less

Good one-way deal

£343 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 22/1-29/1
  • 4 total stops
  • 33h 44m total
  • Miami to London
21/2
  • 21/2
  • 3 total stops
  • 30h 27m total
  • Miami to London
Highest demand for flights based on searches. 9% potential increase in price (£43 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Miami to London Heathrow.
Price to beat on a one-way flight from Miami to London Heathrow.

Cheapflights Fare Finder

 
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 858,174 searches. Data last updated 9 December 2025.
Use the filters below to find and compare flights from Miami to London Heathrow Airport that are best for you.

Fly from

Miami

Fly to

Heathrow

Route

Depart

Return

Price

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 26/2

13:38-06:40

1 stop12h 02m

London Heathrow

Thu 5/3

06:35-16:55

1 stop15h 20m

£464

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 21/1

13:45-09:20

2 stops14h 35m

London Heathrow

Wed 28/1

06:35-16:55

1 stop15h 20m

£464

MiamiLondon

MIA - LHR

MIALHR

Miami

Sun 22/2

06:00-09:00

1 stop22h 00m

London Heathrow

Thu 5/3

06:30-14:50

1 stop13h 20m

£464

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 12/1

17:10-07:00

Nonstop8h 50m

London Heathrow

Sun 18/1

09:00-17:40

1 stop13h 40m

£465

MiamiLondon

MIA - LHR

MIALHR

Miami

Fri 27/2

17:10-07:00

Nonstop8h 50m

London Heathrow

Wed 11/3

09:00-18:40

1 stop13h 40m

£465

MiamiLondon

MIA - LHR

MIALHR

Miami

Sat 17/1

07:40-17:40

2 stops29h 00m

London Heathrow

Fri 30/1

06:40-23:20

2 stops21h 40m

£467

MiamiLondon

MIA - LHR

MIALHR

Miami

Tue 20/1

11:00-06:40

2 stops14h 40m

London Heathrow

Tue 27/1

06:35-16:55

1 stop15h 20m

£467

MiamiLondon

MIA - LHR

MIALHR

Miami

Wed 7/1

09:00-06:40

2 stops16h 40m

London Heathrow

Wed 14/1

09:00-17:30

1 stop13h 30m

£467

MiamiLondon

MIA - LHR

MIALHR

Miami

Mon 12/1

07:40-09:20

2 stops20h 40m

London Heathrow

Sun 18/1

09:55-18:35

1 stop13h 40m

£476

MiamiLondon

MIA - LHR

MIALHR

Miami

Thu 12/3

11:23-18:30

2 stops27h 07m

London Heathrow

Sat 21/3

06:40-19:05

1 stop16h 25m

£481

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 22 results
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2
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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.
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

How far ahead should I book a flight from Miami to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Miami to Heathrow. Price data was last updated on 5 December 2025.

Booking 38 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, January is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £214). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £458). 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 9 December 2025.

A simple way to save on the total cost of your ticket is to fly from Miami to London Heathrow Airport at midday. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the morning.

How much does it cost for a return flight from Miami to London Heathrow Airport?

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 9 December 2025.
Read through reviews of airlines operating flights from Miami to London Heathrow Airport, such as Finnair, Virgin Atlantic, andAir France. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.7

Boarding

7.6

Comfort

7.4

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Boarding

7.6

Comfort

7.4

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Boarding

7.6

Comfort

7.4

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Boarding

7.6

Comfort

7.4

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Boarding

7.6

Comfort

7.4

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Boarding

7.6

Comfort

7.4

Crew

8.1

Overall

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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 28 flights from Miami to London Heathrow per day from 7 different airlines.

  • How long is the flight from Miami to London Heathrow Airport?

    Departing from Miami to London Heathrow Airport will take you 12h 02m. 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?

    Air France, at £277, was found to be the cheapest airline from Miami to London Heathrow Airport.Alternate airlines flying return to your destination include KLM and British Airways. Air France is currently priced 49% 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 £123. Users have also found prices from £232 and £276 on British Airways and Air France, 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: Air France (90%), Delta (90%), Virgin Atlantic (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 £1,044, our data shows the cheapest flight currently is £296. When looking at the most popular route, (Miami - London Heathrow), you can expect to pay £256 for that flight.

  • Can I find deals for flights from Miami to Heathrow that include hotel bookings?

    Yes. In addition to deals on Miami to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Miami to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Heathrow.

  • 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, January is the cheapest month in which you can book a flight from Miami to London Heathrow Airport (average of £214). Flying from Miami to London Heathrow Airport in June is currently the most expensive (average of £458). 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Miami to Heathrow

Discover the top 7 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 858,174 searches. Data last updated 9 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£277Average£521FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£334Average£470FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£342Average£637FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£366Average£595FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£424Average£637FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£483Average£825FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest£559Average£652FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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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