Cheap flights from Ontario (ONT) to Barcelona (BCN)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Ontario (ONT) to Barcelona (BCN)

All the information you need to plan the best ONT to BCN flight in 2021: compare Ontario to Barcelona flight prices with the expected peak season, weather and rainfall in Barcelona.
ONT - S37
Price
$383 - $884
S37
Temperature
57.2 - 84.2 °F
S37
Rainfall
0.9 - 3.3 inches

Popular in

June

High demand for flights, 32% potential price rise

Cheapest in

January

Best time to find cheap flights, 36% potential price drop

Average price

$737

Average for round-trip flights in May 2021

Round-trip from

$383

From Ontario to Barcelona

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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 80% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Ontario to Barcelona?

To save on the cost of your flight from Ontario to Barcelona, book at least 35 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $801 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $850.

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

November is one of the best times of the year to fly to Barcelona from Ontario. Prices for November average $804 per person but you can even find prices for as low as $455. The most expensive prices can be found in the month of June. Opting for a November flight can save you 22% on your journey compared to booking in November

When is the cheapest time to fly from Ontario to Barcelona (ONT - S37)?

It’s optimal to fly from Ontario to Barcelona in the evening. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Ontario to Barcelona in May, June 2021

The best prices found for ONT to BCN flights for May, June
6 Jun - 23 Jun
$627pp
ONT
Ontario
American Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
   
2 STOPS
ONT
Ontario
27 Jun - 27 Jul
$730pp
ONT
Ontario
American Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
   
2 STOPS
ONT
Ontario
28 Jun - 23 Jul
$749pp
ONT
Ontario
Delta
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Delta
 
1 STOP
ONT
Ontario

Ontario to Barcelona 2021 flight deals

Cheap flights to Barcelona from Ontario found for this year
23 Oct - 11 Nov
$522pp
ONT
Ontario
American Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
   
2 STOPS
ONT
Ontario
1 Nov - 11 Nov
$536pp
ONT
Ontario
Delta
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Delta
 
1 STOP
ONT
Ontario
1 Nov - 11 Nov
$556pp
ONT
Ontario
Delta
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Delta
   
2 STOPS
ONT
Ontario

One-way flights to Barcelona from Ontario

The cheapest one-way flights from Ontario to Barcelona
8:45 pm - 5:10 am
American Airlines
2 Stops
23h 25m
ONT - BCN
American Airlines
7:45 am - 12:25 pm
Delta
2 Stops
19h 40m
ONT - BCN
Delta
$564
Delta
2:15 am - 5:10 am
American Airlines
2 Stops
17h 55m
ONT - BCN
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Barcelona</span> flights.

Flight FAQs

From Ontario to Barcelona

Are flight prices decreasing from Ontario to Barcelona due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and Barcelona for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Ontario to Barcelona have flexible cancellations due to COVID-19?

British Airways, Delta, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What airport do you fly from for flights from Ontario to Barcelona?

For a flight from Ontario to Barcelona, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Barcelona per day. 6 airlines have flights to Barcelona from Ontario on a regular basis.

Can I find flights from Ontario to Barcelona for under $600 on Cheapflights?

Yes, there are multiple flights from Ontario to Barcelona for under $600. The cheapest flight booked recently is on American Airlines for just $522, but on average you can expect to pay $642.

Are there nonstop flights from Ontario to Barcelona for under $500 on Cheapflights?

There are no nonstop flights from Ontario to Barcelona, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is Ontario weather warmer or cooler than Barcelona?

Our data indicates that the weather will be 95 °F on average in the month of July. The temperature in Barcelona is typically colder than in Ontario. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Ontario to Barcelona?

A quick flight from Ontario to Barcelona can take about 16h 50m. Delta provides one of the quickest options available for as low as $642. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Ontario to Barcelona round-trip?

Currently priced at $522, American Airlines will fly you from Ontario to Barcelona and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and British Airways - these airlines can fly you to your destination from $536 and $711, respectively. American Airlines is priced at 12% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Ontario to Barcelona one-way?

$540 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta, with prices from $564.

Destination information for Barcelona

Things to know before you go - useful duration and weather info for your trip from Ontario to Barcelona.
Today's exchange rate
$1 = €0.83
Average temperature for May in Barcelona
71.6 °F
Avg rainfall for May in Barcelona
1.9 ″

Airports servicing Ontario

Airports servicing Barcelona

Gerona (GRO)
Reus (REU)

Top 5 airlines flying from Ontario to Barcelona

The chart below displays the airlines Cheapflights users traveling from Ontario to Barcelona choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
$362 $530 No cancel fee N/A
British Airways
$383 $535 No cancel fee 70%
Air France
$449 $580 No cancel fee 77%
American Airlines
$365 $669 No cancel fee 71%
United Airlines
$347 $789 No cancel fee 69%
Home Europe Spain Barcelona Cheap flights from Ontario to Barcelona