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Dallas → Buenos Aires flights

Median fares on DFW–EZE sit at $471 across 28 daily snapshots; prices ranged $436–$549, so booking when fares dip toward the $436 floor can save you roughly $113.

Budget $471 for Dallas–Buenos Aires — spread is wide enough to matter

Key takeaways

Median fare is $471 across 28 daily cached-fare snapshots — a solid planning anchor.
The low end hit $436, which also marks the 25th percentile, suggesting sub-$440 fares appear in roughly one in four snapshots.
The high end reached $549, with the 75th percentile also at $549 — meaning the top quarter of observed fares cluster tightly at that ceiling.
A 26% spread ($436–$549) is meaningful: the gap between a good deal and a bad one on this route is about $113, worth monitoring.
With 28 samples (just under a full 30-day window), the dataset is reliable enough to treat these figures as solid benchmarks, not outliers.

30-day price trend

DFW → EZE · cheapest cached fare per day · last 30 days · ↓ 7%

$436 low$549 high

See full numbers and stats on the DFW → EZE price history page.

The full picture

Dallas to Buenos Aires is a long-haul South American route where fares don't move in tiny increments — the $436–$549 range observed across 28 daily snapshots reflects real variability worth paying attention to. A 26% spread means this isn't a route where prices are locked in place; fares shift by more than $100 depending on when you're looking. The median of $471 is your most reliable planning number, but the 25th-percentile floor of $436 shows that patient shoppers do occasionally find meaningfully cheaper fares. Treating anything at or below $450 as a strong buy is a reasonable rule of thumb from this data.

On a route of this length, the booking window tends to matter more than the day of week. Transatlantic and South American long-haul fares generally soften in the 6–10 week window before departure, then firm up sharply inside three weeks as business and last-minute travelers fill remaining inventory. The data here doesn't tag fares by how far out they were captured, so we can't pinpoint an exact sweet spot — but the presence of fares at the $436 floor suggests those windows do open on this route. Checking fares consistently in that 6–10 week range gives you the best chance of catching a dip toward the lower quartile.

No dominant carrier is identifiable from this dataset, so it's worth checking both oneworld and Star Alliance itineraries out of DFW, as codeshare structures on this route can produce notably different price points for similar routings. One honest caveat: 28 snapshots capture a single rolling month of cheapest cached fares — they don't reflect seasonal swings around Southern Hemisphere summer (December–February) or Argentine school holidays, when demand on this route typically rises and floors like $436 become harder to find.

Ready to look at fares?

Search DFW → EZE on Aviasales →See the price history →

Related travel pages

AI-authored from this route's 30-day price index. Article last regenerated Jun 13, 2026. Fares shift continuously — confirm at booking.