Cheap flights from Boston to Miami from $98 BOS → MIA

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $152 to $294.

At $294, the cheapest return found recently is at the high end of that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 2-night return fares leaving within 3 days of 4 Dec to compare.

Every date we hold

57 fares on 4 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $258.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $75 to $108.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold one-way fares on 2 other departure dates within 3 days of 5 Dec, and none is cheaper.

Every date we hold

98 fares on 14 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $98.

Return

Fares 30 to 59 days before departure were typically 40% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 60 to 89 days before departure were typically 33% lower than 7 to 13 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Boston to Miami?

The cheapest return found recently is $294 with American Airlines, 4 Dec to 6 Dec, found 2 days ago. The cheapest return we hold, of any age, is $258 with American Airlines, 11 Dec to 13 Dec, found 6 days ago. The cheapest return fare on each of 4 departure dates is usually $285 to $352.

How much is a one-way flight from Boston to Miami?

The cheapest one-way found recently is $98 with Southwest Airlines, 5 Dec, found yesterday. The cheapest one-way fare on each of 14 departure dates is usually $145 to $220.

What is the cheapest month to fly from Boston to Miami?

December 2026 is the cheapest month for a return, from $258, 11 Dec to 13 Dec, found 6 days ago. It is the cheapest month for a one-way too, from $98, 5 Dec, found yesterday.

Every date in December 2026

How far ahead should I book a flight from Boston to Miami?

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 40% lower than 0 to 6 days before departure. One-way fares 60 to 89 days before departure were typically 33% lower than 7 to 13 days before departure.

Is there a direct flight from Boston to Miami?

Yes, the cheapest nonstop return found recently is $339 with American Airlines, 4 Dec to 6 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $101 with American Airlines, 2 Feb 2027, found 2 days ago.

Every nonstop date from Boston to Miami

How long is the flight from Boston to Miami?

The cheapest nonstop one-way found recently, with American Airlines on 2 Feb 2027, takes 3 h 55 min from Logan International Airport (BOS) to Miami International Airport (MIA). The cheapest one-way found recently, with Southwest Airlines on 5 Dec, takes 10 h 11 min with 1 stop.

Which airlines have the cheapest flights from Boston to Miami?

Between 16 Nov and 8 May 2027, American Airlines has the cheapest return on all 4 departure dates we hold. Between 18 Nov and 17 Jun 2027, American Airlines has the cheapest one-way on 6 of the 14 departure dates we hold, Frontier Airlines on 4 and Southwest Airlines on 3.