Finnair flights from London Heathrow Airport to Miami (LHR - MIA)
LHR — MIA
19 Oct — 26 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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Cheapest Finnair flights from Heathrow to Miami
Explore the most affordable Finnair flight options available from Heathrow to Miami. Find the lowest fares with prices last updated on 19 September 2026.
Thu 29/1011:15 -
Nonstop9h 45m
Sun 8/1122:20 -
Nonstop8h 45m
Deal found 16/9£470
Wed 14/1009:15 -
1 stop20h 37m
Sat 31/1008:40 -
1 stop21h 00m
Deal found 18/9£471
Fri 25/914:10 -
1 stop15h 05m
Thu 8/1018:25 -
1 stop22h 15m
Deal found 18/9£472
Best Finnair flights from Heathrow to Miami
Discover carefully curated Finnair flight deals from Heathrow to Miami that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 September 2026.
Mon 4/118:10 -
1 stop28h 20m
Tue 9/216:22 -
1 stop11h 53m
Deal found 18/9£458
Fri 5/218:10 -
1 stop28h 20m
Sat 13/222:00 -
Nonstop8h 30m
Deal found 18/9£458
Wed 30/912:15 -
Nonstop9h 40m
Sat 3/1018:36 -
1 stop22h 04m
Deal found 16/9£474
Direct Finnair flights from Heathrow to Miami
Explore direct Finnair flight options from Heathrow to Miami based on user searches, and compare prices and availability for your desired travel dates. Data last updated 19 September 2026.
Thu 29/1011:15 -
Nonstop9h 45m
Sun 8/1122:20 -
Nonstop8h 45m
Deal found 16/9£470
Sat 14/1114:30 -
Nonstop10h 00m
Sat 28/1117:10 -
Nonstop8h 35m
Deal found 15/9£471
Wed 18/1111:15 -
Nonstop9h 50m
Sun 29/1122:00 -
Nonstop8h 30m
Deal found 15/9£473
Last-minute Finnair flights from Heathrow to Miami
Discover last-minute Finnair flight deals from Heathrow to Miami. Data last updated 19 September 2026 and is based on user searches.
Thu 29/1011:15 -
Nonstop9h 45m
Sun 8/1122:20 -
Nonstop8h 45m
Deal found 16/9£470
Wed 14/1009:15 -
1 stop20h 37m
Sat 31/1008:40 -
1 stop21h 00m
Deal found 18/9£471
Fri 25/914:10 -
1 stop15h 05m
Thu 8/1018:25 -
1 stop22h 15m
Deal found 18/9£472
One-way Finnair flights to Miami
Search for one-way Finnair flight options to Miami. Find affordable one-way fares based on user searches. Data last updated 19 September 2026.
Mon 28/1207:30 -
1 stop15h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£373
Sun 15/1113:35 -
2 stops40h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£374
Thu 11/210:05 -
Nonstop10h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 18/9£381
How do most travelers feel about Finnair?
Cheapflights users who travel with Finnair (a popular airline from London Heathrow Airport to Miami) have rated them a 7.6/10. This rating comes from 1,431 reviews. If you are looking to travel LHR-MIA, search your dates above.
Can I get a flight from London Heathrow Airport to Miami on Finnair for under £598?
There are 12 flights available on Finnair from London Heathrow Airport to Miami for under £598. These prices can change based on many factors including date and time. To find LHR-MIA flight prices for your dates, click here.
Find detailed information about Finnair flights from Heathrow to Miami. Explore the options provided by Finnair to plan your journey from Heathrow to Miami. Data last updated 19 September 2026.
When is the best time to book a flight to Miami with Finnair?
The best time to book a flight to Miami with Finnair is 49 days before departure. On average, fares are higher if you book 38 days before departure.
Which month is the cheapest to fly Economy class from London Heathrow Airport to Miami?
For Economy class flights, the cheapest month to fly this route is January. The most expensive months are August and July.
Weekly Finnair flight availability from London Heathrow Airport to Miami
The most Finnair flights from LHR to MIA are scheduled on a Monday (2 on average). You will have fewer Finnair flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
Rainfall in Miami by month
Plan your trip to Miami by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Miami ranges from 41.0 - 252.0 inches per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Miami when rainfall is around 41.0 mm.
Temperature in Miami by month
Plan your trip to Miami by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Miami, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).
Best time to book a flight from Heathrow to Miami
Have a flexible travel schedule? Discover the best time to fly to Miami from Heathrow with our price prediction graph.
LHR-MIA
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.
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Fly from Heathrow to Miami on another airline
Consider alternative airlines that service the Miami area. Flight routes are based on user searches made on Cheapflights and were last updated on 19 September 2026.
Browse through other Finnair flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 19 September 2026.
If Miami is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 19 September 2026.
Browse through some of the most popular routes that Finnair offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 19 September 2026.
Read reviews and see what other travellers are saying about their experiences with Finnair. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Finnair for your next flight. Reviews last updated 19 September 2026.
The flight from Helsinki to Toronto was very cramped. No leg space and no room to even walk. Very bad experience
8.0
Very Good|Jul 2026
Very limited food provided. Limited drinks, lights out for 10 of 12.30 flights. Very few staff.
2.0
Poor|Jun 2026
Lost our luggage and took two days to get it back. Ruined the trip.
10.0
Wonderful|Jun 2026
Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
10.0
Wonderful|May 2026
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