How to find the cheapest flight from
Ontario (ONT) to Barcelona (BCN)
What is the cheapest day to fly round-trip from Ontario to Barcelona?
Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 71% on your flight compared to booking on days when demand is much higher.
When is the cheapest time to fly from Ontario to Barcelona (ONT - S37)?
It’s optimal to fly from Ontario to Barcelona at noon. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight in the evening.
Related info for your journey
Useful info, stats and facts about Ontario to Barcelona flights.
Destination information for Barcelona
Things to know before you go. Useful info for your trip from Ontario to Barcelona