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
48.2 - 75.2 °F
S37
Precipitation
0.8 - 3.6 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

$437

Average for round-trip flights in September 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.
How far in advance should I book a flight from Ontario to Barcelona?

To save up to 45% on this flight, we recommend booking at least 41 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Barcelona from $624 1-2 weeks out and tickets from $801 for flights departing within the next 72 hours.

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

Flights from Ontario to Barcelona lean towards being more expensive in June. Prices are generally better when you fly from Ontario to Barcelona in February, with the cheapest ticket starting at $342.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Barcelona as you normally would.

Cheap flights from Ontario to Barcelona in September, October 2021

The best prices found for ONT to BCN flights for September, October
24 Oct - 5 Nov
$462pp
ONT
Ontario
American Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
   
2 STOPS
ONT
Ontario
23 Oct - 2 Nov
$463pp
ONT
Ontario
American Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
   
2 STOPS
ONT
Ontario
26 Oct - 10 Nov
$475pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
ONT
Ontario

Ontario to Barcelona 2021 flight deals

Cheap flights to Barcelona from Ontario found for this year
24 Oct - 5 Nov
$462pp
ONT
Ontario
American Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
American Airlines
   
2 STOPS
ONT
Ontario
3 Nov - 12 Nov
$463pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
ONT
Ontario
1 Dec - 16 Dec
$468pp
ONT
Ontario
KLM
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
KLM
   
2 STOPS
ONT
Ontario

Last minute flights from Ontario to Barcelona

Late deals on round-trip flights to Barcelona from Ontario, departing today and this week
28 Sep - 5 Oct
$978pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
United Airlines
   
2 STOPS
ONT
Ontario
28 Sep - 5 Oct
$2,010pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
ONT
Ontario
2 Oct - 16 Dec
$2,038pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
ONT
Ontario

One-way flights to Barcelona from Ontario

The cheapest one-way flights from Ontario to Barcelona
12:25 am - 4:00 am
United Airlines
2 Stops
18h 35m
ONT - BCN
United Airlines
$463
United
3:20 am - 4:55 am
KLM
1 Stop
16h 35m
ONT - BCN
KLM
$467
KLM
3:20 am - 5:55 am
Air France
2 Stops
17h 35m
ONT - BCN
Air France

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

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.

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.

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.

Can I find flights from Ontario to Barcelona for under $500 on Cheapflights?

Yes, there are multiple flights from Ontario to Barcelona for under $500. The cheapest flight booked recently is on American Airlines for just $462, but on average you can expect to pay $483.

Are there last-minute flights available from Ontario to Barcelona for under $1,000?

There are currently 12+ open flights from Ontario to Barcelona within the next 7 days for less than $1,000.

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

Currently priced at $462, 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 KLM and United Airlines - these airlines can fly you to your destination from $468 and $472, respectively. American Airlines is currently priced 22% below the average price you’ll pay for this route.

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

One-way options have recently been found by users for as low as $410 on United Airlines. Other airlines that offer cheap prices include American Airlines from $416 and KLM from $417 one-way.

What are the most popular airlines that fly from Ontario to Barcelona?

Consider American Airlines, Air France or British Airways when booking your flight. These represent the most popular airlines when flying from Ontario to Barcelona.

What are the cheapest flights from Ontario to Barcelona?

While on average a flight from Ontario to Barcelona is generally $1,409, our data shows the cheapest flight currently is $381. When looking at the most popular route, (Ontario - Barcelona-El Prat), you can expect to pay $462 for that flight.

COVID Restrictions

View COVID Travel Restrictions for Barcelona, Spain

Do I need a COVID test to fly to Barcelona from Ontario?

Information is based on travel restrictions from Ontario to Barcelona

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Barcelona.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 for rt-pcr (naat) and 48 for antigen (quick-test) hours before departing to Barcelona.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Barcelona.

Do I need a test to fly back to Ontario from Barcelona?

Returning to Ontario from Barcelona

COVID-19 testing requirements
Visitors from Barcelona must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Barcelona are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Barcelona, Spain

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 = €0.86
Average temperature for September in Barcelona
78.8 °F
Avg rainfall for September in Barcelona
3.1 ″

Airports servicing Ontario

Airports servicing Barcelona

Costa Brava (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
United Airlines
$347 $789 No cancel fee 69%
Delta
$362 $530 No cancel fee N/A
American Airlines
$365 $669 No cancel fee 71%
British Airways
$383 $535 No cancel fee 70%
Air France
$449 $580 No cancel fee 77%
Home Europe Spain Barcelona Cheap flights from Ontario to Barcelona