Flights from Ontario, the United States to Barcelona, Spain

Flights from Ontario, the United States to Barcelona, Spain

Find the perfect flight

Select flights

Round trip
Economy

Select travel dates

DepartureReturn

Add travelers

1 traveler

Add travelers

1 traveler
Low & Cheap Prices
Find amazing flight deals and book cheap tickets
Extensive Flight Options
Compare flights from all major airlines in Europe
Trusted By Millions
Join millions of travelers booking flights with ease
24/7 Customer Support
Reach us any time of the day in just a few seconds

Frequently asked questions

How much does it cost to fly one-way from Ontario to Barcelona?

A one-way flight from Ontario to Barcelona costs from 548.00 EUR. The cheapest flight leaves on 2 May from the airport LA/Ontario International Airport and lands at the airport Josep Tarradellas Airport Barcelona-El Prat.

Which airline has the cheapest one-way flight from Ontario to Barcelona?

The airline Frontier Airlines has the cheapest one-way flight from Ontario to Barcelona. The cheapest flight costs from 548.00 EUR. This flight is from the airport LA/Ontario International Airport to the airport Josep Tarradellas Airport Barcelona-El Prat.

What is the best airline with flights from Ontario to Barcelona?

Frontier Airlines is the best airline with flights from Ontario to Barcelona.

The cheapest flight costs from 548.00 EUR. This flight is from the airport LA/Ontario International Airport to the airport Josep Tarradellas Airport Barcelona-El Prat.

What is the cheapest day of the week to book flights from Ontario to Barcelona?

Tuesday is generally the cheapest day of the week to book flights from Ontario to Barcelona. The cheapest flights cost from 548.00 EUR.

What are the best flights from Ontario to Barcelona?

The airline Frontier Airlines has the best flights from Ontario to Barcelona.

What is the best one-way flight from Ontario to Barcelona?

The airline Frontier Airlines has the best one-way flight from Ontario to Barcelona. The best flight costs from 548.00 EUR.

This flight takes around 16 hours. The flight is from the airport LA/Ontario International Airport to the airport Josep Tarradellas Airport Barcelona-El Prat.

What is the cheapest month to fly from Ontario to Barcelona?

May is the cheapest month to fly from Ontario to Barcelona. The cheapest flights cost from 548.00 EUR.

What is the fastest flight from Ontario to Barcelona?

The fastest flight from Ontario to Barcelona takes around 16 hours. The flight costs from 548.00 EUR.