Fly to Ontario (ONT) from Dulles (IAD) from €70 - Save up to 60%!

Dreaming of a quick getaway to Southern California? Look no further! We've uncovered an absolutely phenomenal one-way flight deal from Dulles (IAD) to Ontario (ONT) for an unbelievable price of just €70. That's right, you can save a staggering up to 60% off typical fares for this route! This is a perfect opportunity for anyone looking for a spontaneous adventure or needing to get to the Inland Empire without breaking the bank.

This incredible offer is available for two specific departure dates in May 2026: May 7th, 2026 and May 26th, 2026. These one-way economy flights are perfect for those with flexible plans or who are looking to combine this with other travel arrangements. Ontario, California, serves as a fantastic gateway to explore the diverse attractions of Southern California, from the stunning mountains to the vibrant cities and iconic theme parks. May offers pleasant weather, making it an ideal time to visit and enjoy all the region has to offer. Don't wait – deals this good disappear fast! Book your adventure today and experience the Golden State for less.