Cheap flights from Pittsburgh to Key Largo from CA $128

View CA $128 flight on Thu, Aug. 14, 2025Opens in a new window

Popular airlines from Pittsburgh to Key Largo

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Cheap flights from Pittsburgh (PIT) to Key Largo (MIA)

Prices were available within the past 7 days and start at CA $128 for one-way flights and CA $212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug. 14 - Fri, Sep. 19
PIT
Pittsburgh
MIA
Miami
CA $212 Roundtrip, found 4 days ago
CA $212
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Aug. 14 from Pittsburgh to Miami, returning Fri, Sep. 19, priced at CA $212 found 4 days ago
American Airlines
Thu, Aug. 14 - Fri, Sep. 19
PIT
Pittsburgh
MIA
Miami
CA $232 Roundtrip, found 4 days ago
CA $232
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Aug. 14 from Pittsburgh to Miami, returning Fri, Sep. 19, priced at CA $232 found 4 days ago
American Airlines
Thu, Aug. 14 - Fri, Sep. 19
PIT
Pittsburgh
MIA
Miami
CA $237 Roundtrip, found 4 days ago
CA $237
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Aug. 14 from Pittsburgh to Miami, returning Fri, Sep. 19, priced at CA $237 found 4 days ago
Delta
Wed, Nov. 12 - Tue, Nov. 18
PIT
Pittsburgh
MIA
Miami
CA $267 Roundtrip, found 6 days ago
CA $267
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Nov. 12 from Pittsburgh to Miami, returning Tue, Nov. 18, priced at CA $267 found 6 days ago
United
Sun, Sep. 28 - Mon, Sep. 29
PIT
Pittsburgh
MIA
Miami
CA $409 Roundtrip, found 3 days ago
CA $409
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep. 28 from Pittsburgh to Miami, returning Mon, Sep. 29, priced at CA $409 found 3 days ago
JetBlue Airways
Sat, Jul. 26 - Sat, Aug. 9
PIT
Pittsburgh
MIA
Miami
CA $471 Roundtrip, found 6 days ago
CA $471
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sat, Jul. 26 from Pittsburgh to Miami, returning Sat, Aug. 9, priced at CA $471 found 6 days ago

Find the cheapest month to fly from Pittsburgh (PIT) to Miami (MIA)

April is typically the cheapest month to fly

From CA $156 - CA $484 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.