ONT - BIO

$483 Find Cheap Flights from Ontario to Bilbao

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Bilbao departing on 12/9. 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
1 adult, Economy, 0 bags

KAYAK searches 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$483
United Airlines
ter 12/9ter 12/16
ONT - BIO • 2 stops
Cheapest one-way
$563
Iberia
ter 12/2
ONT - BIO • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Bilbao!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Bilbao (ONT-BIO)

 
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 for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Bilbao

ter, dez 9 - ter, dez 16
United Airlines Logo
1:50 pm - 9:55 pmONT-BIO
23h 05m2 stops
United Airlines Logo
6:45 am - 10:49 pmBIO-ONT
25h 04m3 stops
$483United Airlines
Find Deal
ter, dez 9 - ter, dez 16
United Airlines Logo
1:50 pm - 9:55 pmONT-BIO
23h 05m2 stops
United Airlines Logo
11:35 am - 10:49 pmBIO-ONT
20h 14m2 stops
$485United Airlines
Find Deal
ter, jan 6 - ter, jan 20
United Airlines Logo
5:05 am - 12:50 pmONT-BIO
22h 45m3 stops
United Airlines Logo
11:35 am - 10:53 pmBIO-ONT
20h 18m2 stops
$694United Airlines
Find Deal
ter, dez 30 - sex, jan 9
United Airlines Logo
1:40 pm - 11:20 pmONT-BIO
48h 40m2 stops
United Airlines Logo
12:50 pm - 10:53 pmBIO-ONT
19h 03m2 stops
$702United Airlines
Find Deal
ter, jan 6 - ter, jan 20
United Airlines Logo
1:53 pm - 10:50 amONT-BIO
59h 57m2 stops
United Airlines Logo
11:35 am - 10:53 pmBIO-ONT
20h 18m2 stops
$785United Airlines
Find Deal
dom, mar 8 - dom, mar 15
United Airlines Logo
7:15 pm - 9:55 pmONT-BIO
18h 40m2 stops
United Airlines Logo
6:45 am - 8:45 pmBIO-ONT
22h 00m2 stops
$834United Airlines
Find Deal
qua, mar 4 - dom, mar 8
American Airlines Logo
7:10 am - 8:30 amONT-BIO
40h 20m2 stops
American Airlines Logo
9:15 am - 9:02 pmBIO-ONT
20h 47m2 stops
$837American Airlines
Find Deal
qua, mar 4 - dom, mar 8
United Airlines Logo
1:45 pm - 9:55 pmONT-BIO
23h 10m2 stops
United Airlines Logo
6:45 am - 5:00 pmBIO-ONT
43h 15m3 stops
$882United Airlines
Find Deal
qua, mar 4 - dom, mar 8
United Airlines Logo
1:45 pm - 11:20 pmONT-BIO
24h 35m2 stops
United Airlines Logo
6:45 am - 5:00 pmBIO-ONT
43h 15m3 stops
$894United Airlines
Find Deal
ter, jan 6 - ter, jan 20
United Airlines Logo
5:05 am - 10:50 amONT-BIO
20h 45m3 stops
United Airlines Logo
11:35 am - 11:18 amBIO-ONT
32h 43m3 stops
$949United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Ontario to Bilbao flights

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.

Which airlines provide the cheapest flights from Ontario to Bilbao?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Ontario to Bilbao were found on United Airlines ($483) and American Airlines ($837).

Find deals

Good to know

Cheapest flight$483
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 $563 for a one-way ticket and $483 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.

  • 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.

Everything you need to know for your flight from Ontario to Bilbao

Information on your arrival and departure airports

Ontario (ONT)
Bilbao (BIO)