Travelers have found it’s best to book a flight 51 days in advance to save up to 38% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 51 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Houston to Europe 1-2 weeks in advance for as low as $813, or $886 for flights within the next 24 hours.
Flights from Houston to Europe lean towards being more expensive in June. Prices are generally better when you fly from Houston to Europe in February, with the cheapest ticket starting at $394.