San Francisco to Dallas 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 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 $338 | 22 $340 | 23 $381 | 24 | 25 $305 | 26 $167 | 27 $345 |
| 28 $390 | 29 $343 | 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 26 – 28 2 nights · leave Sat$167Frontier Airlines 1 stop · 3h 37mBook
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Dec 25 – Jan 2, 2027 8 nights · leave Fri$305Frontier Airlines 1 stop · 3h 37mBook
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Dec 21 – Jan 2, 2027 12 nights · leave Mon$338United Airlines 1 stop · 5h 23mBook
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Dec 22 – Jan 2, 2027 11 nights · leave Tue$340Frontier Airlines 1 stop · 3h 37mBook
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Dec 29 – Jan 2, 2027 4 nights · leave Tue$343United Airlines Nonstop · 3h 32mBook
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Dec 27 – Jan 2, 2027 6 nights · leave Sun$345Frontier Airlines 1 stop · 3h 37mBook
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Dec 26 – Jan 2, 2027 7 nights · leave Sat$378Frontier Airlines Nonstop · 3h 37mBook
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Dec 23 – Jan 2, 2027 10 nights · leave Wed$381American Airlines 1 stop · 3h 37mBook
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Dec 28 – Jan 2, 2027 5 nights · leave Mon$390United Airlines Nonstop · 3h 32mBook
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 | $237 |
| October 2026 | $200 |
| November 2026 | No fares found yet |
| December 2026 | $167 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | $271 |
San Francisco to Dallas in December: questions
What's the cheapest date to fly from San Francisco to Dallas in December 2026?
Leaving Saturday, December 26 and returning Monday, December 28 (2 nights) for $167 round trip on Frontier Airlines, the cheapest of the 9 date combinations we track that month.
How much is a round trip from San Francisco to Dallas in December 2026?
From $167. Half of the 9 date combinations we track are under $343. Prices are per person in USD and change often.
Is December a cheap month to fly from San Francisco to Dallas?
Yes. It's the cheapest of the 4 months ahead we have prices for.