Cheap flights from London to Fleming Key

View AU$395 flight on Mon, 25 Aug. 2025Opens in a new window

Popular airlines from London to Fleming Key

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from London (LON) to Fleming Key (MIA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Norse Atlantic UK
Sat, 30 Aug. - Mon, 15 Sep.
LGW
London
MIA
Miami
AU$580 Return, just found
AU$580
Return
just found
Select Norse Atlantic UK flight, departing Sat, 30 Aug. from London to Miami, returning Mon, 15 Sep., priced at AU$580 just found
Icelandair
Thu, 26 Feb. - Wed, 4 Mar.
LGW
London
MIA
Miami
AU$711 Return, found 3 days ago
AU$711
Return
found 3 days ago
Select Icelandair flight, departing Thu, 26 Feb. from London to Miami, returning Wed, 4 Mar., priced at AU$711 found 3 days ago
APG Distribution System
Thu, 4 Sep. - Sun, 21 Sep.
LGW
London
MIA
Miami
AU$833 Return, found 5 days ago
AU$833
Return
found 5 days ago
Select APG Distribution System flight, departing Thu, 4 Sep. from London to Miami, returning Sun, 21 Sep., priced at AU$833 found 5 days ago
United
Thu, 4 Sep. - Sun, 21 Sep.
LHR
London
MIA
Miami
AU$842 Return, found 5 days ago
AU$842
Return
found 5 days ago
Select United flight, departing Thu, 4 Sep. from London to Miami, returning Sun, 21 Sep., priced at AU$842 found 5 days ago
Air Canada
Thu, 8 Jan. - Thu, 15 Jan.
LHR
London
MIA
Miami
AU$871 Return, found 5 days ago
AU$871
Return
found 5 days ago
Select Air Canada flight, departing Thu, 8 Jan. from London to Miami, returning Thu, 15 Jan., priced at AU$871 found 5 days ago
Swiss International Air Lines
Thu, 8 Jan. - Thu, 15 Jan.
LHR
London
MIA
Miami
AU$876 Return, found 5 days ago
AU$876
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Thu, 8 Jan. from London to Miami, returning Thu, 15 Jan., priced at AU$876 found 5 days ago

Find the cheapest month to fly from London (LON) to Miami (MIA)

March is typically the cheapest month to fly

From AU$586 - AU$1,009 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.