Dallas to Cancun in December 2026
DFW to CUN · Round trips departing in December · Economy · Prices per person in USD
Prices updated
Typical in December
$406
Median of 7 date combinations
Usual on this route
$374
December's cheapest is 26% less
Good price — book if the dates work
26% below the usual $374. Based on 29 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 |
| 14 $449 | 15 | 16 | 17 | 18 | 19 $406 | 20 $309 |
| 21 $275 | 22 | 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 21 – 28 7 nights · leave Mon$275Frontier Airlines 1 stop · 2h 50mBook
-
Dec 20 – Jan 1, 2027 12 nights · leave Sun$309Frontier Airlines 1 stop · 5h 20mBook
-
Dec 21 – 27 6 nights · leave Mon$314Volaris 1 stop · 2h 50mBook
-
Dec 19 – 31 12 nights · leave Sat$406Frontier Airlines 1 stop · 2h 50mBook
-
Dec 19 – 30 11 nights · leave Sat$433Frontier Airlines 1 stop · 2h 50mBook
-
Dec 14 – 24 10 nights · leave Mon$449Frontier Airlines 2 stops · 9h 19mBook
-
Dec 19 – Jan 5, 2027 17 nights · leave Sat$586Frontier Airlines 1 stop · 2h 50mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
5–7 nights
$275
Dec 21 – 28 · 2 options
8–14 nights
$309
Dec 20 – Jan 1, 2027 · 4 options
15–21 nights
$586
Dec 19 – Jan 5, 2027 · 1 option
Good to know for December
Airlines with cheap fares
2 airlines
Most often: Frontier Airlines, Volaris.
December vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $460 |
| December 2026 | $275 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | $326 |
| March 2027 | No fares found yet |
| April 2027 | No fares found yet |
| May 2027 | $384 |
| June 2027 | $374 |
Dallas to Cancun in December: questions
What's the cheapest date to fly from Dallas to Cancun in December 2026?
Leaving Monday, December 21 and returning Monday, December 28 (7 nights) for $275 round trip on Frontier Airlines, the cheapest of the 7 date combinations we track that month.
How much is a round trip from Dallas to Cancun in December 2026?
From $275. Half of the 7 date combinations we track are under $406. Prices are per person in USD and change often.
Is December a cheap month to fly from Dallas to Cancun?
Yes. It's the cheapest of the 5 months ahead we have prices for.