Lowest Priced Flights to Boston on Allegiant starting at $42*

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*Modifying this information may result in a different fare

Best flights to Boston (BOS)

Sarasota / Bradenton (SRQ)to

Boston (BOS)
Departing: March 27 2026
From
$79
Seen: 1 hour ago
One-way
Economy

Knoxville (TYS)to

Boston (BOS)
Departing: March 5 2026
From
$56
Seen: 6 hrs ago
One-way
Economy

Asheville (AVL)to

Boston (BOS)
Departing: March 16 2026
From
$56
Seen: 6 hrs ago
One-way
Economy

Des Moines (DSM)to

Boston (BOS)
Departing: April 12 2026
From
$49
Seen: 1 day ago
One-way
Economy

Destin / Ft. Walton Beach (VPS)to

Boston (BOS)
Departing: April 4 2026
From
$42
Seen: 1 day ago
One-way
Economy

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

Cheap flights to Boston

Cheap flights to Boston
From
To
Fare Type
Dates
Price
Sarasota / Bradenton (SRQ)Boston (BOS)One-way
/
Economy		Departing: April 16 2026

From

$54

Seen: 2 hrs ago

Knoxville (TYS)Boston (BOS)One-way
/
Economy		Departing: March 19 2026

From

$56

Seen: 1 day ago

Asheville (AVL)Boston (BOS)One-way
/
Economy		Departing: March 16 2026

From

$56

Seen: 6 hrs ago

Des Moines (DSM)Boston (BOS)One-way
/
Economy		Departing: May 10 2026

From

$49

Seen: 1 hour ago

Grand Rapids (GRR)Boston (BOS)One-way
/
Economy		Departing: June 21 2026

From

$80

Seen: 1 day ago

Destin / Ft. Walton Beach (VPS)Boston (BOS)One-way
/
Economy		Departing: April 4 2026

From

$42

Seen: 1 day ago

Indianapolis (IND)Boston (BOS)One-way
/
Economy		Departing: June 15 2026

From

$87

Seen: 1 day ago

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.

Travel Tips

Bundles are packages of popular services with an added discount.

Select a bundle to:

  • Streamline the booking experience

  • Save time

  • Save money!

  • Click here for more information.

Allegiant proudly supports our military and our military veterans by offering select free benefits through the Allegiant Honors program.

  • Benefits include free checked bag, carry on, etc. Click here to learn more.

Lock in the lowest price by adding your checked and carryon bags when you book your flight.

  • By charging for carry-ons, we ensure there is space for everyone who needs it.

  • This leads to speedier boarding. Click here to see your bag options.

Cheap flights to Boston (BOS) with Allegiant Airlines

Travel to Boston

Boston is excited for your arrival. Whether you seek endless activities or plan to do some sight seeing, Allegiant Airlines can get you there. With nonstop flights and low airfare, we're here to help make your trip memorable.

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