Boston to Miami in December 2026
Round trips departing in December · Economy · Prices per person in USD
Prices updated
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when December fares drop below your price.December 2026 by departure day
Cheapest round trip leaving that day| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 $266 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 $646 | 19 $543 | 20 |
| 21 $625 | 22 | 23 $376 | 24 | 25 | 26 | 27 |
| 28 | 29 $301 | 30 $666 | 31 |
Empty days: no round trip found for that departure date yet. Green = cheapest third of the month.
Cheapest dates in December 2026
Round trip, per person-
Dec 4 – 7 3 nights · leave Fri$266American Airlines Nonstop · 3h 51mBook
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Dec 29 – Jan 6, 2027 8 nights · leave Tue$301jetBlue 1 stop · 4h 25mBook
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Dec 23 – 30 7 nights · leave Wed$376American Airlines 1 stop · 4h 24mBook
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Dec 19 – Jan 4, 2027 16 nights · leave Sat$543American Airlines Nonstop · 3h 39mBook
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Dec 21 – Jan 2, 2027 12 nights · leave Mon$625Frontier Airlines 2 stops · 7h 49mBook
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Dec 18 – Jan 3, 2027 16 nights · leave Fri$646American Airlines 1 stop · 4h 44mBook
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Dec 19 – Jan 3, 2027 15 nights · leave Sat$647American Airlines Nonstop · 3h 39mBook
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Dec 30 – Jan 3, 2027 4 nights · leave Wed$666Frontier Airlines 2 stops · 5h 17mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
Good to know for December
December vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | $377 |
| October 2026 | $152 (cheapest month) |
| November 2026 | $158 |
| December 2026 | $266 |
| January 2027 | $358 |
| February 2027 | $412 |
| March 2027 | No fares found yet |
| April 2027 | $457 |
| May 2027 | $356 |
Boston to Miami in December: questions
What's the cheapest date to fly from Boston to Miami in December 2026?
Leaving Friday, December 4 and returning Monday, December 7 (3 nights) for $266 round trip on American Airlines, the cheapest of the 8 date combinations we track that month.
How much is a round trip from Boston to Miami in December 2026?
From $266. Half of the 8 date combinations we track are under $584. Prices are per person in USD and change often.
Is December a cheap month to fly from Boston to Miami?
It ranks 3 of 8 months we have prices for. The cheapest month is October 2026, from $152.