Flights from Miami (MIA) To Boston (BOS) With Spirit From $44*

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Find Spirit Low Fare Flights From Miami (MIA) To Boston (BOS)

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From
To
Fare Type
Dates
Price
Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 10/31/2025

Fares From

$44

Viewed 2 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/30/2026

Fares From

$49

Viewed 1 day ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 03/03/2026

Fares From

$49

Viewed 1 day ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/28/2026

Fares From

$49

Viewed 23 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/25/2026

Fares From

$49

Viewed 23 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/24/2026

Fares From

$49

Viewed 19 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 02/09/2026

Fares From

$49

Viewed 18 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/11/2026

Fares From

$49

Viewed 11 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/09/2026

Fares From

$49

Viewed 14 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/26/2026

Fares From

$49

Viewed 5 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 02/01/2026

Fares From

$49

Viewed 2 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 02/08/2026

Fares From

$49

Viewed 1 day ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/27/2026

Fares From

$49

Viewed 1 day ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/29/2026

Fares From

$49

Viewed 3 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 02/25/2026

Fares From

$49

Viewed 1 day ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/08/2026

Fares From

$49

Viewed 1 day ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 02/06/2026

Fares From

$49

Viewed 20 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/10/2026

Fares From

$64

Viewed 3 hours ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 10/24/2025

Fares From

$64

Viewed 1 hour ago

Miami (MIA)Boston (BOS)One Way
/
Economy		Depart 01/12/2026

Fares From

$64

Viewed 5 hours ago

*One-way fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Additional baggage fees and fees for other services may apply. Other terms and conditions may apply.

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*Fares presented below are available at the beginning of each day, but may sell out. Additional baggage fees and fees for other services may apply. Other terms and conditions may apply.