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ONT - BIO

Find cheap flights from Ontario to Bilbao from $906

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Bilbao departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 4/27
Sat 5/4

Search hundreds of travel sites at once for deals on flights to Bilbao

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Bilbao, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Bilbao, as well as popular online travel agencies
In the last 7 days travelers have searched 47,584,047 times on KAYAK, and here is why:

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Cheap flight deals from Ontario to Bilbao

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Bilbao that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
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10:50 am - 5:00 pmONT-BIO
21h 10m2 stops
1:40 pm - 11:26 pmBIO-ONT
18h 46m2 stops
$1,220American Airlines
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Mon, Aug 19 - Mon, Aug 26
1:29 pm - 5:50 pmONT-BIO
19h 21m2 stops
6:45 am - 5:28 pmBIO-ONT
19h 43m2 stops
$1,587United Airlines
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Tue, Jun 4 - Tue, Jun 18
2:39 pm - 11:15 pmONT-BIO
23h 36m2 stops
6:45 am - 11:49 pmBIO-ONT
26h 04m2 stops
$1,635
Find Deal
Sat, Jun 22 - Mon, Jul 15
10:53 am - 9:55 pmONT-BIO
26h 02m2 stops
6:45 am - 11:49 pmBIO-ONT
26h 04m2 stops
$1,685
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Sun, Jun 23 - Mon, Jul 15
7:00 am - 9:55 amONT-BIO
17h 55m2 stops
12:00 pm - 11:43 pmBIO-ONT
20h 43m2 stops
$1,695Delta
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Sun, Jun 23 - Sun, Jul 14
7:00 am - 9:55 amONT-BIO
17h 55m2 stops
10:20 am - 10:37 pmBIO-ONT
21h 17m2 stops
$1,779Delta
Find Deal
Sat, Jun 22 - Sat, Jul 13
6:10 am - 12:55 pmONT-BIO
21h 45m2 stops
6:45 am - 6:50 pmBIO-ONT
21h 05m2 stops
$1,920British Airways
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Mon, Jun 24 - Fri, Jul 12
6:10 am - 12:55 pmONT-BIO
21h 45m2 stops
9:15 am - 6:50 pmBIO-ONT
18h 35m2 stops
$2,015British Airways
Find Deal
Mon, Jun 24 - Sat, Jul 13
2:39 pm - 8:50 pmONT-BIO
21h 11m2 stops
9:35 pm - 11:49 pmBIO-ONT
35h 14m2 stops
$2,197Iberia
Find Deal
Sat, Jun 22 - Sun, Jul 14
12:44 pm - 5:00 pmONT-BIO
19h 16m2 stops
9:35 pm - 11:49 pmBIO-ONT
35h 14m2 stops
$2,297Iberia
Find Deal
Sat, Jun 22 - Sun, Jul 14

Flights from Ontario to Bilbao - Travel Insights & Trends

Get data-powered insights and trends into flights from Ontario to Bilbao to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ontario to Bilbao, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Ontario to Bilbao is January, where tickets cost $626 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $1,583 and $1,383 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Ontario to Bilbao, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Ontario to Bilbao, you should book around 4 days before departure. For the absolute cheapest price, our data suggests you should book 21 days before departure.

Which airlines provide the cheapest flights from Ontario to Bilbao?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from Ontario to Bilbao found on KAYAK was with American Airlines for $906. American Airlines proposed a round-trip connection from $1,220 and United Airlines from $1,587.

How long does a flight from Ontario to Bilbao take?

Flying to Bilbao from Ontario requires at least one layover, as there are no direct flights for this route. The shortest flight duration is 17h 21m.

Good to know

Cheapest flight

$906
Flight from Ontario to Bilbao

When to book flights from Ontario to Bilbao

Are your dates flexible? Find out the best times to travel from Ontario to Bilbao based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Bilbao

  • What is the cheapest flight from Ontario to Bilbao?

    In the last 3 days, the lowest price for a flight from Ontario to Bilbao was $906 for a one-way ticket and $1,220 for a round-trip.

  • Do I need a passport to fly between Ontario and Bilbao?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Ontario and on arrival in Bilbao.

  • Which airports will I be using when flying from Ontario to Bilbao?

    Ontario airport is called Ontario and the only airport in Bilbao is Bilbao.

  • Which aircraft models fly most regularly from Ontario to Bilbao?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Bilbao?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Ontario and Bilbao, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Ontario to Bilbao?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Bilbao.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Bilbao?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bilbao from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Bilbao?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bilbao with an airline and back to Ontario with another airline. Booking your flights between Ontario and BIO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Bilbao?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bilbao from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Ontario to Bilbao

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Ontario to Bilbao found on KAYAK in the last 72 hours.
8/5Mon
2 stopsAmerican Airlines
29h 40mONT-BIO
$906
8/5Mon
3 stopsUnited Airlines
24h 45mONT-BIO
$922
7/1Mon
2 stops
32h 40mONT-BIO
$1,121

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Last minute flights from Ontario to Bilbao

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Ontario to Bilbao that are departing in the next 10 days.
3/29Fri
multi-stopBritish Airways
17h 49mONT-BIO
4/5Fri
multi-stopBritish Airways
19h 17mBIO-ONT
$2,200
3/29Fri
multi-stopBritish Airways
17h 49mONT-BIO
4/6Sat
multi-stopBritish Airways
19h 17mBIO-ONT
$3,730
3/31Sun
multi-stopUnited Airlines
22h 05mONT-BIO
4/2Tue
multi-stopUnited Airlines
22h 05mBIO-ONT
$4,234

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Ontario - Bilbao Flights

Departure:

Ontario (ONT)United States

Destination:

Bilbao (BIO)Spain

Cabin classes:

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