Houston → Buenos Aires flights
Houston (IAH) to Buenos Aires (EZE) fares median at $434 across 30 snapshots; booking early enough to catch the bottom quartile (≤$387) is your best leverage.
Target $387–$434 on Houston–Buenos Aires flights
Key takeaways
- Median fare is $434 across 30 daily snapshots of the cheapest available fares on this route.
- Bottom-quartile fares sit at $387 or below — roughly 25% of observed days showed prices at or under that level.
- The absolute low recorded was $315, but the top of the range reached $471, a $156 spread (50%) — meaningful volatility for a long-haul route.
- The interquartile range ($387–$455) is your realistic target zone; fares outside that band represent genuine outliers in either direction.
- No single dominant carrier was identifiable from this dataset, so comparing across airlines at booking time is especially worthwhile.
30-day price trend
See full numbers and stats on the IAH → EZE price history page.
The full picture
Houston IAH to Buenos Aires EZE is a roughly 8,700-mile journey, and the 30-day fare snapshot reflects that long-haul reality: a median of $434 with a spread of 50% between the lowest and highest observed fares. That spread is large enough to matter. The $315 floor and $471 ceiling aren't a statistical quirk — they suggest genuine price movement on this route, likely driven by a mix of seasonal demand shifts, seat availability, and competing itineraries through different South American hubs. If your target is to beat the median, the data suggests it is achievable: one in four observed fares came in at $387 or below.
For a route of this distance, booking windows tend to reward patience paired with alertness. Long-haul international fares to Argentina historically soften in the 6–10 week window before departure as airlines adjust unsold inventory, though they can spike again inside 3 weeks when last-minute business travelers fill remaining premium-adjacent economy seats. The $387 p25 threshold is a useful benchmark: if you're tracking prices and see fares approach or dip below that level, the data suggests you're in the better quarter of what this route typically offers. Waiting for the $315 floor is a riskier play — that figure represents the single best day across 30 snapshots, not a reliable recurring opportunity.
Because no dominant carrier emerged clearly from this dataset, it's worth running comparisons across all airlines serving IAH–EZE at the time you're ready to book, including itineraries with different South American connection points. One honest caveat: 30 snapshots capture a single rolling window of conditions. Seasonal demand — particularly Argentine summer (December–February) and U.S. holiday periods — can shift the entire price floor upward in ways this dataset may not fully represent. Use $434 as your baseline and $387 as your stretch goal.
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AI-authored from this route's 30-day price index. Article last regenerated Jun 13, 2026. Fares shift continuously — confirm at booking.