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Boston to Miami in October 2026 BOS → MIA

Logan International Airport (BOS) → Miami International Airport (MIA)

For departures in October 2026, the cheapest return found recently is $360 with Frontier Airlines, 23 Oct – 26 Oct, found 18 hours ago. The cheapest one-way found recently is $168 with Frontier Airlines, 24 Oct, found 3 days ago.

Return

In October 2026, the cheapest return fare on each of 7 departure dates is usually $303 to $375. Across all 19 departure dates we hold on this route, it is usually $234 to $381. Of the 3 months with enough return fares to compare, 1 is usually cheaper than October 2026.

Cheapest return found recently

$360

23 Oct – 26 Oct · Frontier Airlines

Logan International Airport (BOS) → Miami International Airport (MIA)

out 1 stop, back 1 stop

found 18 hours ago

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Cheapest we hold, of any age

$230

28 Oct – 1 Nov · Frontier Airlines

Logan International Airport (BOS) → Miami International Airport (MIA)

out 1 stop, back 1 stop

found 2 days ago

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The cheapest dates in October 2026

DatesFromAirlineStopsFound
28 Oct – 1 Nov$230Frontier Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
27 Oct – 29 Oct$285American Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
29 Oct – 6 Nov$320American Airlinesout nonstop, back nonstopfound 6 days agoSee prices for these dates
25 Oct – 20 Nov$357Frontier Airlinesout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
23 Oct – 26 Oct$360Frontier Airlinesout 1 stop, back 1 stopfound 18 hours agoSee prices for these dates

Every date we hold

7 departure dates

21 Oct – 24 Oct: $389, found 2 days ago22 Oct – 23 Oct: $408, found 4 days ago23 Oct – 26 Oct: $360, found 18 hours ago25 Oct – 20 Nov: $357, found 6 days ago27 Oct – 29 Oct: $285, found 6 days ago28 Oct – 1 Nov: $230, found 2 days ago29 Oct – 6 Nov: $320, found 6 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
21 Oct – 24 Oct$389Frontier AirlinesLogan International Airport (BOS) → Miami International Airport (MIA)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
22 Oct – 23 Oct$408Frontier AirlinesLogan International Airport (BOS) → Miami International Airport (MIA)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
23 Oct – 26 Oct$360Frontier AirlinesLogan International Airport (BOS) → Miami International Airport (MIA)out 1 stop, back 1 stopfound 18 hours agoSee prices for these dates
25 Oct – 20 Nov$357Frontier AirlinesLogan International Airport (BOS) → Miami International Airport (MIA)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
27 Oct – 29 Oct$285American AirlinesLogan International Airport (BOS) → Miami International Airport (MIA)out nonstop, back nonstopfound 6 days agoSee prices for these dates
28 Oct – 1 Nov$230Frontier AirlinesLogan International Airport (BOS) → Miami International Airport (MIA)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
29 Oct – 6 Nov$320American AirlinesLogan International Airport (BOS) → Miami International Airport (MIA)out nonstop, back nonstopfound 6 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $185.

October 2026From $2307 departure dates28 Oct – 1 Nov · found 2 days agoSee prices for these dates
November 2026From $185Cheapest seen5 departure dates10 Nov – 12 Nov · found 3 days agoSee prices for these dates
December 2026From $2364 departure dates10 Dec – 13 Dec · found 7 days agoSee prices for these dates
January 2027From $3181 departure date8 Jan 2027 – 11 Jan 2027 · found 4 days agoSee prices for these dates
March 2027From $4471 departure date4 Mar 2027 – 14 Mar 2027 · found 2 days agoSee prices for these dates
May 2027From $3731 departure date8 May 2027 – 16 May 2027 · found 2 days agoSee prices for these dates

One-way

We hold one-way fares on only 2 departure dates in October 2026, too few to say what one usually costs.

Cheapest one-way found recently

$168

24 Oct · Frontier Airlines

Logan International Airport (BOS) → Miami International Airport (MIA)

1 stop

found 3 days ago

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Cheapest we hold, of any age

$140

28 Oct · American Airlines

Logan International Airport (BOS) → Miami International Airport (MIA)

nonstop

found 6 days ago

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The cheapest dates in October 2026

DatesFromAirlineStopsFound
28 Oct$140American Airlinesnonstopfound 6 days agoOpen this trip
24 Oct$168Frontier Airlines1 stopfound 3 days agoOpen this trip

Every date we hold

2 departure dates

24 Oct: $168, found 3 days ago28 Oct: $140, found 6 days agoOct
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
24 Oct$168Frontier AirlinesLogan International Airport (BOS) → Miami International Airport (MIA)1 stopfound 3 days agoOpen this trip
28 Oct$140American AirlinesLogan International Airport (BOS) → Miami International Airport (MIA)nonstopfound 6 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $75.

October 2026From $1402 departure dates28 Oct · found 6 days agoOpen this trip
November 2026From $75Cheapest seen3 departure dates14 Nov · found 4 days agoOpen this trip
December 2026From $1054 departure dates5 Dec · found 4 days agoOpen this trip
May 2027From $2251 departure date2 May 2027 · found 6 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work