Washington to Cancun in December 2026
WAS to CUN · Round trips departing in December · Economy · Prices per person in USD
Prices updated
Typical in December
$433
Median of 5 date combinations
Usual on this route
$421
December's cheapest is 27% less
Good price — book if the dates work
27% below the usual $421, and prices have been rising this week. Based on 46 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 $418 | 10 | 11 | 12 $306 | 13 $433 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 $581 | 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 12 – 17 5 nights · leave Sat$306Frontier Airlines 1 stop · 5h 07mBook
-
Dec 9 – 14 5 nights · leave Wed$418Frontier Airlines 1 stop · 5h 07mBook
-
Dec 13 – 20 7 nights · leave Sun$433Frontier Airlines 1 stop · 5h 07mBook
-
Dec 12 – 19 7 nights · leave Sat$437Frontier Airlines 1 stop · 5h 07mBook
-
Dec 23 – 27 4 nights · leave Wed$581Frontier Airlines 1 stop · 5h 07mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
2–4 nights
$581
Dec 23 – 27 · 1 option
5–7 nights
$306
Dec 12 – 17 · 4 options
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 | No fares found yet |
| December 2026 | $306 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | $581 |
| April 2027 | No fares found yet |
| May 2027 | No fares found yet |
| June 2027 | No fares found yet |
| July 2027 | $651 |
Washington to Cancun in December: questions
What's the cheapest date to fly from Washington to Cancun in December 2026?
Leaving Saturday, December 12 and returning Thursday, December 17 (5 nights) for $306 round trip on Frontier Airlines, the cheapest of the 5 date combinations we track that month.
How much is a round trip from Washington to Cancun in December 2026?
From $306. Half of the 5 date combinations we track are under $433. Prices are per person in USD and change often.