Cheap flights from Ontario to Barcelona from $418
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Barcelona departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from Ontario to Barcelona-El Prat Airport
Our best United Airlines deals on Ontario to Barcelona-El Prat Airport flight tickets
British Airways flights from Ontario to Barcelona-El Prat Airport
Our best British Airways deals on Ontario to Barcelona-El Prat Airport flight tickets
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How to get the cheapest flight ticket from Ontario to Barcelona-El Prat Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Barcelona-El Prat Airport?
The cheapest month to fly to Barcelona-El Prat Airport from Ontario is in January. Flight prices, which tend to average around $580, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from Ontario during February instead. Flights to Barcelona-El Prat Airport in February, while not as cheap as those in January, still average around $587.
What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?
The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $4. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $886. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.
What is the cheapest airline that flies from Ontario to Barcelona-El Prat?
British Airways, United Airlines, and Iberia are the most popular carriers operating from Ontario to Barcelona-El Prat
What airlines fly to Barcelona-El Prat Airport?
Iberia, LEVEL and Vueling are the top three most popular airlines that fly to Barcelona-El Prat Airport from Ontario according to our data. Iberia is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 22 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Barcelona-El Prat Airport
Cheap Ontario to Barcelona-El Prat Airport (ONT to BCN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Barcelona-El Prat Airport
How far is Ontario to Barcelona-El Prat by plane?
Barcelona-El Prat is 5972.8 mi away from Ontario. 14h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Barcelona-El Prat Airport?
Prices for flights from Ontario Airport to Barcelona-El Prat Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Barcelona-El Prat Airport?
As of May 2025, there are 5 operators available to choose from for flights from Ontario Airport to Barcelona-El Prat Airport.
How old do you have to be to fly from Ontario Airport to Barcelona-El Prat Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Barcelona-El Prat Airport.
What documentation or ID do you need to fly to Barcelona-El Prat Airport?
The required travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona-El Prat Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Barcelona-El Prat Airport?
Based on momondo bookings for flights between Ontario and Barcelona-El Prat Airport, the leading airline is United Airlines, making up 34% of the total bookings. Other popular airlines include Delta with 21%, American Airlines with 18%, and Iberia with 14%.
Best airlines flying from Ontario to Barcelona-El Prat Airport
Compare and see reviews for airlines that fly from Ontario to Barcelona-El Prat Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $554 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $564 | Free Cancellation | Rating 6.6 6,842 reviews | |||
| PriceFrom $566 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $583 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $716 | Free Cancellation | Rating 7.0 2,701 reviews |
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Why should I use momondo to find a flight deal from Ontario to Barcelona?
It is quick and easy to find Ontario to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.
Can I find flights from Ontario to Barcelona with flexible booking policies on momondo?
All flight searches from Ontario to Barcelona on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ontario to Barcelona?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Barcelona.
I’m not ready to book a flight from Ontario to Barcelona right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.