Washington to San Salvador 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 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 $653 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 $756 | 18 | 19 $797 | 20 |
| 21 | 22 $823 | 23 | 24 | 25 $938 | 26 | 27 |
| 28 | 29 | 30 $692 | 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 9 – 17 8 nights · leave Wed$653Volaris El Salvador 1 stop · 4h 37mBook
-
Dec 30 – Jan 15, 2027 16 nights · leave Wed$692Avianca Airlines Nonstop · 4h 30mBook
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Dec 17 – 23 6 nights · leave Thu$756Avianca Airlines 1 stop · 5h 10mBook
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Dec 19 – 22 3 nights · leave Sat$797Frontier Airlines Nonstop · 4h 36mBook
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Dec 22 – 30 8 nights · leave Tue$823Frontier Airlines Nonstop · 4h 36mBook
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Dec 25 – Jan 1, 2027 7 nights · leave Fri$938Frontier Airlines Nonstop · 4h 36mBook
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Dec 22 – Jan 2, 2027 11 nights · leave Tue$1,021Frontier Airlines 1 stop · 4h 36mBook
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 | $550 |
| November 2026 | $292 (cheapest month) |
| December 2026 | $653 |
| January 2027 | No fares found yet |
| February 2027 | $376 |
| March 2027 | $366 |
Washington to San Salvador in December: questions
What's the cheapest date to fly from Washington to San Salvador in December 2026?
Leaving Wednesday, December 9 and returning Thursday, December 17 (8 nights) for $653 round trip on Volaris El Salvador, the cheapest of the 7 date combinations we track that month.
How much is a round trip from Washington to San Salvador in December 2026?
From $653. Half of the 7 date combinations we track are under $797. Prices are per person in USD and change often.
Is December a cheap month to fly from Washington to San Salvador?
It ranks 5 of 5 months we have prices for. The cheapest month is November 2026, from $292.