Boston to Las Vegas 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 $321 | 2 $316 | 3 | 4 $316 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 $287 | 13 |
| 14 | 15 | 16 | 17 | 18 $417 | 19 | 20 |
| 21 | 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 12 – 15 3 nights · leave Sat$287Frontier Airlines 1 stop · 7h 52mBook
-
Dec 2 – 16 14 nights · leave Wed$316Southwest Airlines 1 stop · 7h 00mBook
-
Dec 4 – 7 3 nights · leave Fri$316Southwest Airlines 1 stop · 6h 50mBook
-
Dec 1 – 4 3 nights · leave Tue$321jetBlue 1 stop · 7h 15mBook
-
Dec 18 – 20 2 nights · leave Fri$417Southwest Airlines 1 stop · 6h 55mBook
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 | No fares found yet |
| October 2026 | $233 (cheapest month) |
| November 2026 | $364 |
| December 2026 | $287 |
| January 2027 | $383 |
Boston to Las Vegas in December: questions
What's the cheapest date to fly from Boston to Las Vegas in December 2026?
Leaving Saturday, December 12 and returning Tuesday, December 15 (3 nights) for $287 round trip on Frontier Airlines, the cheapest of the 5 date combinations we track that month.
How much is a round trip from Boston to Las Vegas in December 2026?
From $287. Half of the 5 date combinations we track are under $316. Prices are per person in USD and change often.
Is December a cheap month to fly from Boston to Las Vegas?
It ranks 2 of 4 months we have prices for. The cheapest month is October 2026, from $233.