When flying from Philadelphia to Riga, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 52% versus a flight at noon.
Flights from Philadelphia to Riga lean towards being more expensive in July. Prices are generally better when you fly from Philadelphia to Riga in September, with the cheapest ticket starting at $788.
Travelers have found that booking a Saturday departure is the best way to save up to 180% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.