Philadelphia to Los Angeles in December 2026
Round trips departing in December · Economy · Prices per person in USD
Prices updated
Typical in December
$392
Median of 5 date combinations
Usual on this route
$334
December's cheapest is 21% less
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 $349 | 2 | 3 | 4 | 5 | 6 | |
| 7 $264 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 $398 | 22 $392 | 23 | 24 $440 | 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 7 – 13 6 nights · leave Mon$264Frontier Airlines 2 stops · 8h 50mBook
-
Dec 1 – 6 5 nights · leave Tue$349Frontier Airlines 1 stop · 7h 35mBook
-
Dec 22 – 29 7 nights · leave Tue$392Southwest Airlines 2 stops · 7h 10mBook
-
Dec 21 – 28 7 nights · leave Mon$398Frontier Airlines 1 stop · 7h 36mBook
-
Dec 24 – 28 4 nights · leave Thu$440Southwest Airlines 1 stop · 6h 55mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
2–4 nights
$440
Dec 24 – 28 · 1 option
5–7 nights
$264
Dec 7 – 13 · 4 options
Good to know for December
Airlines with cheap fares
2 airlines
Most often: Frontier Airlines, Southwest Airlines.
December vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | No fares found yet |
| November 2026 | $318 |
| December 2026 | $264 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | No fares found yet |
| March 2027 | No fares found yet |
| April 2027 | $420 |
Philadelphia to Los Angeles in December: questions
What's the cheapest date to fly from Philadelphia to Los Angeles in December 2026?
Leaving Monday, December 7 and returning Sunday, December 13 (6 nights) for $264 round trip on Frontier Airlines, the cheapest of the 5 date combinations we track that month.
How much is a round trip from Philadelphia to Los Angeles in December 2026?
From $264. Half of the 5 date combinations we track are under $392. Prices are per person in USD and change often.