Cheap flights from Minneapolis - St. Paul to Grassy Key from CA $115

View CA $115 flight on Sun, Nov. 2, 2025Opens in a new window

Popular airlines from Minneapolis to Grassy Key

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Cheap flights from Minneapolis - St. Paul (MSP) to Grassy Key (MIA)

Prices were available within the past 7 days and start at CA $115 for one-way flights and CA $216 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug. 27 - Sat, Aug. 30
MSP
Minneapolis
MIA
Miami
CA $216 Roundtrip, found 2 days ago
CA $216
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Aug. 27 from Minneapolis to Miami, returning Sat, Aug. 30, priced at CA $216 found 2 days ago
Delta
Tue, Nov. 4 - Tue, Nov. 18
MSP
Minneapolis
MIA
Miami
CA $217 Roundtrip, found 2 days ago
CA $217
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov. 4 from Minneapolis to Miami, returning Tue, Nov. 18, priced at CA $217 found 2 days ago
Sun Country Airlines
Sun, Nov. 2 - Fri, Nov. 7
MSP
Minneapolis
MIA
Miami
CA $233 Roundtrip, found 1 hour ago
CA $233
Roundtrip
found 1 hour ago
Select Sun Country Airlines flight, departing Sun, Nov. 2 from Minneapolis to Miami, returning Fri, Nov. 7, priced at CA $233 found 1 hour ago
Spirit Airlines
Thu, Nov. 6 - Tue, Nov. 11
MSP
Minneapolis
MIA
Miami
CA $236 Roundtrip, found 5 days ago
CA $236
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Thu, Nov. 6 from Minneapolis to Miami, returning Tue, Nov. 11, priced at CA $236 found 5 days ago
American Airlines
Sun, Nov. 2 - Sat, Nov. 8
MSP
Minneapolis
MIA
Miami
CA $246 Roundtrip, found 1 hour ago
CA $246
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Nov. 2 from Minneapolis to Miami, returning Sat, Nov. 8, priced at CA $246 found 1 hour ago
United
Mon, Dec. 8 - Thu, Dec. 18
MSP
Minneapolis
EYW
Key West
CA $606 Roundtrip, found 1 day ago
CA $606
Roundtrip
found 1 day ago
Select United flight, departing Mon, Dec. 8 from Minneapolis to Key West, returning Thu, Dec. 18, priced at CA $606 found 1 day ago

Find the cheapest month to fly from Minneapolis (MSP) to Miami (MIA)

March is typically the cheapest month to fly

From CA $121 - CA $529 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.