Philadelphia to Las Vegas in December 2026
PHL to LAS · 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 2 days 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 $244 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 $383 | 23 $491 | 24 $266 | 25 | 26 | 27 |
| 28 | 29 | 30 | 31 $408 |
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 3 – 5 2 nights · leave Thu$244Frontier Airlines 1 stop · 7h 20mBook
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Dec 24 – 28 4 nights · leave Thu$266Frontier Airlines 1 stop · 7h 08mBook
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Dec 24 – Jan 4, 2027 11 nights · leave Thu$374Frontier Airlines 2 stops · 7h 22mBook
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Dec 22 – Jan 4, 2027 13 nights · leave Tue$383Frontier Airlines 2 stops · 6h 59mBook
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Dec 31 – Jan 2, 2027 2 nights · leave Thu$408Frontier Airlines 1 stop · 5h 53mBook
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Dec 24 – Jan 2, 2027 9 nights · leave Thu$483Frontier Airlines 1 stop · 7h 22mBook
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Dec 23 – Jan 2, 2027 10 nights · leave Wed$491Frontier Airlines 1 stop · 5h 53mBook
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 |
|---|---|
| October 2026 | $158 (cheapest month) |
| November 2026 | $240 |
| December 2026 | $244 |
| January 2027 | $281 |
Philadelphia to Las Vegas in December: questions
What's the cheapest date to fly from Philadelphia to Las Vegas in December 2026?
Leaving Thursday, December 3 and returning Saturday, December 5 (2 nights) for $244 round trip on Frontier Airlines, the cheapest of the 7 date combinations we track that month.
How much is a round trip from Philadelphia to Las Vegas in December 2026?
From $244. Half of the 7 date combinations we track are under $383. Prices are per person in USD and change often.
Is December a cheap month to fly from Philadelphia to Las Vegas?
It ranks 3 of 4 months we have prices for. The cheapest month is October 2026, from $158.