Washington to Miami in December 2026
WAS to MIA · Round trips departing in December · Economy · Prices per person in USD
Prices updated
Typical in December
$123
Median of 7 date combinations
Usual on this route
$254
December's cheapest is 72% less
Good price — book if the dates work
72% below the usual $254. Based on 47 days of prices.
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December 2026 by departure day
Cheapest round trip leaving that day| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 $127 |
| 14 $81 | 15 $70 | 16 | 17 | 18 | 19 | 20 $172 |
| 21 $113 | 22 $125 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | 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 15 – 18 3 nights · leave Tue$70Frontier Airlines Nonstop · 2h 55mBook
-
Dec 14 – 17 3 nights · leave Mon$81Frontier Airlines Nonstop · 2h 53mBook
-
Dec 21 – 24 3 nights · leave Mon$113Frontier Airlines Nonstop · 2h 55mBook
-
Dec 21 – 25 4 nights · leave Mon$123Frontier Airlines Nonstop · 2h 55mBook
-
Dec 22 – 25 3 nights · leave Tue$125Frontier Airlines Nonstop · 2h 44mBook
-
Dec 13 – 16 3 nights · leave Sun$127Frontier Airlines 1 stop · 2h 53mBook
-
Dec 20 – 23 3 nights · leave Sun$172Frontier Airlines Nonstop · 2h 44mBook
Prices change often. The booking site shows the final price before you pay.
Good to know for December
Airline
Frontier Airlines
Every cheap fare we track on this route is on Frontier Airlines.
December vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $189 |
| December 2026 | $70 (cheapest month) |
| January 2027 | $124 |
| February 2027 | No fares found yet |
| March 2027 | $277 |
| April 2027 | No fares found yet |
| May 2027 | $326 |
| June 2027 | No fares found yet |
| July 2027 | No fares found yet |
| August 2027 | $230 |
| September 2027 | $324 |
Washington to Miami in December: questions
What's the cheapest date to fly from Washington to Miami in December 2026?
Leaving Tuesday, December 15 and returning Friday, December 18 (3 nights) for $70 round trip on Frontier Airlines, the cheapest of the 7 date combinations we track that month.
How much is a round trip from Washington to Miami in December 2026?
From $70. Half of the 7 date combinations we track are under $123. Prices are per person in USD and change often.
Is December a cheap month to fly from Washington to Miami?
Yes. It's the cheapest of the 7 months ahead we have prices for.