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Popular airlines from Boston to Duck Key
- Spirit Airlines
Spirit Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- JetBlue Airways
JetBlue Airways
- Southwest Airlines
Southwest Airlines
- Frontier Airlines
Frontier Airlines
- Plan, book, fly with confidence
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Cheap Flights from Boston (BOS) to Duck 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.

Wed, 10 Sep. - Wed, 17 Sep.
BOS
Boston
MIA
Miami
AU$148 Return, found 6 days ago
AU$148
Return
found 6 days ago

Wed, 8 Oct. - Wed, 15 Oct.
BOS
Boston
MIA
Miami
AU$150 Return, found 3 days ago
AU$150
Return
found 3 days ago

Wed, 10 Sep. - Wed, 17 Sep.
BOS
Boston
MIA
Miami
AU$178 Return, found 6 days ago
AU$178
Return
found 6 days ago

Tue, 9 Sep. - Tue, 16 Sep.
BOS
Boston
MIA
Miami
AU$180 Return, found 4 days ago
AU$180
Return
found 4 days ago

Wed, 10 Sep. - Wed, 17 Sep.
BOS
Boston
MIA
Miami
AU$193 Return, found 6 days ago
AU$193
Return
found 6 days ago

Wed, 8 Oct. - Wed, 15 Oct.
BOS
Boston
MIA
Miami
AU$349 Return, found 3 days ago
AU$349
Return
found 3 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$517 per traveller.
Graph displaying average flight prices per month
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