Washington to Los Angeles in December 2026
WAS to LAX · Round trips departing in December · Economy · Prices per person in USD
Prices updated
Typical in December
$357
Median of 5 date combinations
Usual on this route
$352
December's cheapest is 25% less
Good price — book if the dates work
25% below the usual $352, and prices have been rising this week. Based on 47 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 $265 | 5 | 6 | |
| 7 | 8 | 9 | 10 $295 | 11 | 12 | 13 $357 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 $399 |
| 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 4 – 7 3 nights · leave Fri$265Frontier Airlines 1 stop · 6h 31mBook
-
Dec 10 – 18 8 nights · leave Thu$295Frontier Airlines 1 stop · 6h 51mBook
-
Dec 13 – 26 13 nights · leave Sun$357Frontier Airlines 1 stop · 6h 51mBook
-
Dec 20 – 29 9 nights · leave Sun$399Frontier Airlines 1 stop · 7h 45mBook
-
Dec 20 – 26 6 nights · leave Sun$437Southwest Airlines 1 stop · 6h 25mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
2–4 nights
$265
Dec 4 – 7 · 1 option
5–7 nights
$437
Dec 20 – 26 · 1 option
8–14 nights
$295
Dec 10 – 18 · 3 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 |
|---|---|
| November 2026 | $416 |
| December 2026 | $265 (cheapest month) |
| January 2027 | $318 |
| February 2027 | $326 |
| March 2027 | No fares found yet |
| April 2027 | No fares found yet |
| May 2027 | No fares found yet |
| June 2027 | $411 |
| July 2027 | $372 |
| August 2027 | No fares found yet |
| September 2027 | $352 |
Washington to Los Angeles in December: questions
What's the cheapest date to fly from Washington to Los Angeles in December 2026?
Leaving Friday, December 4 and returning Monday, December 7 (3 nights) for $265 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 Los Angeles in December 2026?
From $265. Half of the 5 date combinations we track are under $357. Prices are per person in USD and change often.
Is December a cheap month to fly from Washington to Los Angeles?
Yes. It's the cheapest of the 7 months ahead we have prices for.