Cheap flights from Boston to Elliott Key

View AU$91 flight on Wed, 1 Oct. 2025Opens in a new window

Popular airlines from Boston to Elliott Key

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • 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 Boston (BOS) to Elliott 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.

American Airlines
Thu, 11 Sep. - Thu, 18 Sep.
BOS
Boston
MIA
Miami
AU$140 Return, found 8 hours ago
AU$140
Return
found 8 hours ago
Select American Airlines flight, departing Thu, 11 Sep. from Boston to Miami, returning Thu, 18 Sep., priced at AU$140 found 8 hours ago
Delta
Thu, 11 Sep. - Thu, 18 Sep.
BOS
Boston
MIA
Miami
AU$180 Return, found 8 hours ago
AU$180
Return
found 8 hours ago
Select Delta flight, departing Thu, 11 Sep. from Boston to Miami, returning Thu, 18 Sep., priced at AU$180 found 8 hours ago
Delta
Thu, 11 Sep. - Thu, 18 Sep.
BOS
Boston
MIA
Miami
AU$195 Return, found 8 hours ago
AU$195
Return
found 8 hours ago
Select Delta flight, departing Thu, 11 Sep. from Boston to Miami, returning Thu, 18 Sep., priced at AU$195 found 8 hours ago
American Airlines
Thu, 11 Sep. - Thu, 18 Sep.
BOS
Boston
MIA
Miami
AU$215 Return, found 8 hours ago
AU$215
Return
found 8 hours ago
Select American Airlines flight, departing Thu, 11 Sep. from Boston to Miami, returning Thu, 18 Sep., priced at AU$215 found 8 hours ago
United
Thu, 4 Sep. - Thu, 11 Sep.
BOS
Boston
MIA
Miami
AU$329 Return, found 2 days ago
AU$329
Return
found 2 days ago
Select United flight, departing Thu, 4 Sep. from Boston to Miami, returning Thu, 11 Sep., priced at AU$329 found 2 days ago
Cape Air
Sun, 31 Aug. - Sun, 7 Sep.
EWB
New Bedford
MIA
Miami
AU$1,028 Return, found 6 days ago
AU$1,028
Return
found 6 days ago
Select Cape Air flight, departing Sun, 31 Aug. from New Bedford to Miami, returning Sun, 7 Sep., priced at AU$1,028 found 6 days ago

Find the cheapest month to fly from Boston (BOS) to Miami (MIA)

March is typically the cheapest month to fly

From AU$82 - AU$512 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.