Washington → Los Angeles flights
Median DCA–LAX fare is $119 over a 12-day sample; fares as low as $86 appear, but data is thin, so treat booking-window guidance cautiously.
DCA–LAX hovers near $119 — bottom quartile dips to $90
Key takeaways
- Median fare across the sample sits at $119, matching the observed high — most snapshots cluster near the top of the range
- Bottom quartile fares reach $90 or below, suggesting occasional cheaper fares do surface
- Spread of 38% between low ($86) and high ($119) is moderate, not razor-tight
- Sample size is just 12 days, so patterns here are suggestive, not statistically firm
- No dominant carrier was identifiable from this dataset, limiting carrier-specific guidance
30-day price trend
See full numbers and stats on the DCA → LAX price history page.
The full picture
Over the 12-day window we tracked, DCA–LAX fares ranged from $86 to $119, with a median of $119 — meaning most of the snapshots we captured were at or near the top of the observed range, and the cheaper fares ($86–$90) were the exception rather than the rule. A 38% spread between low and high isn't huge, but it's enough to reward some flexibility if your travel dates aren't fixed.
With only 12 daily snapshots, we can't responsibly claim a specific booking window produces consistently lower fares — that would overstate what this data supports. What we can say is that the bottom quartile (25th percentile) sits at $90, roughly 24% below the median, so fares in that range do appear with some regularity and are worth watching for if you're monitoring prices over time rather than booking on a single day.
We don't have enough carrier-level visibility in this dataset to identify a dominant airline or route-specific fare patterns, so we're not making claims there. The honest takeaway: this is a fairly short sample (12 days, not 30), so treat the $119 median as a reasonable anchor for budgeting, but don't read too much into day-of-week or booking-window advice until more data accumulates. If you see a fare at or below $90, that's solidly in the cheaper quartile for this route based on what we've observed.
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Why we regenerated this article: Bottom quartile ↓ 24% ($119 → $90). We only rewrite when the underlying price index actually moves — stable weeks keep the previous take.
AI-authored from this route's 30-day price index. Article last regenerated Oct 10, 2026. Fares shift continuously — confirm at booking.