Dallas → London flights
Median fares from DFW to LHR sit at $415 across 30 daily snapshots; shoppers who catch the bottom quartile pay $363 or less, suggesting a meaningful window below the midpoint.
Target $363–$419 on Dallas–London — bottom fares hit $344
Key takeaways
- Median fare is $415 across 30 daily cached-fare snapshots — a solid planning anchor for a transatlantic trip.
- Bottom quartile fares (p25) reach $363, meaning roughly one in four sampled days showed prices at or below that level — worth monitoring closely.
- The absolute low recorded was $344, about 17% below the median; achievable but not guaranteed to reappear.
- A 56% spread between low ($344) and high ($537) signals meaningful price volatility on this route — waiting or acting quickly can matter.
- The interquartile range is narrow ($363–$419), so most days cluster in a $56 band; outlier highs above $419 are the real risk to avoid.
30-day price trend
See full numbers and stats on the DFW → LHR price history page.
The full picture
Dallas–London Heathrow is a competitive transatlantic corridor, and the 30-day snapshot data reflects that. The median fare of $415 is a reasonable budget anchor, but the real story is in the distribution: the interquartile range runs only from $363 to $419 — a $56 window where the majority of sampled fares landed. That tight clustering suggests this route has a relatively predictable pricing floor under normal conditions, though the 56% overall spread (low $344, high $537) confirms that outlier pricing in both directions is genuinely possible.
The bottom-quartile threshold of $363 is the number worth watching. Fares at or below that level appeared on roughly one in four sampled days, which means they're real but not ubiquitous. On transatlantic routes generally, fares tend to soften in the 6–10 week booking window for off-peak travel periods, and tighten sharply inside three weeks as seats fill. The data here doesn't capture departure-date seasonality directly, but the presence of fares as low as $344 suggests that genuinely discounted inventory does surface on this route — the task is being positioned to act when it does rather than waiting for a pattern that may not repeat.
No dominant carrier is identifiable from this dataset, so carrier-specific booking strategies aren't supportable here. What the data does support is setting a target alert around $363–$380: that range sits comfortably below the median but above the single-day low, making it a realistic rather than optimistic goal. One honest caveat: 30 snapshots represent cached cheapest fares at the moment of capture, not a full view of every available itinerary or fare class. Prices you see when booking may vary based on seat availability, routing, and how far in advance you're searching relative to departure.
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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.