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Cheap flights from Ontario to Bilbao from $415

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Bilbao departing on 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
2:20 pm - 5:30 pm
ONT
-
BIO
18h 10m
2 stops
Delta Logo
6:45 am - 5:10 pm
BIO
-
ONT
19h 25m
2 stops
$744Delta
Tue, Apr 28 - Thu, May 7
United Airlines Logo
7:00 am - 11:25 pm
ONT
-
BIO
31h 25m
2 stops
United Airlines Logo
7:15 am - 8:36 pm
BIO
-
ONT
22h 21m
2 stops
$807United Airlines
Mon, Apr 13 - Mon, Apr 20
United Airlines Logo
11:05 am - 11:25 pm
ONT
-
BIO
27h 20m
2 stops
United Airlines Logo
2:10 pm - 9:56 am
BIO
-
ONT
52h 46m
2 stops
$834United Airlines
Wed, Apr 15 - Wed, Apr 22
United Airlines Logo
11:05 am - 5:15 pm
ONT
-
BIO
21h 10m
2 stops
United Airlines Logo
6:50 am - 6:02 pm
BIO
-
ONT
20h 12m
2 stops
$900United Airlines
Wed, Apr 15 - Tue, Apr 21
United Airlines Logo
6:37 pm - 11:05 pm
ONT
-
BIO
20h 28m
2 stops
United Airlines Logo
2:00 pm - 10:59 pm
BIO
-
ONT
17h 59m
2 stops
$908United Airlines
Mon, Mar 23 - Fri, May 1
British Airways Logo
6:00 am - 12:45 pm
ONT
-
BIO
21h 45m
2 stops
British Airways Logo
1:30 pm - 11:46 pm
BIO
-
ONT
19h 16m
2 stops
$953British Airways
Sun, Apr 26 - Thu, May 7
United Airlines Logo
6:37 pm - 11:05 pm
ONT
-
BIO
20h 28m
2 stops
United Airlines Logo
6:50 am - 10:35 pm
BIO
-
ONT
24h 45m
2 stops
$958United Airlines
Mon, Mar 23 - Sun, May 3
United Airlines Logo
11:05 am - 5:10 pm
ONT
-
BIO
21h 05m
2 stops
United Airlines Logo
6:50 am - 5:28 pm
BIO
-
ONT
19h 38m
2 stops
$960United Airlines
Tue, Apr 28 - Wed, Jun 10
Iberia Logo
2:08 pm - 5:50 pm
ONT
-
BIO
18h 42m
2 stops
Iberia Logo
1:30 pm - 11:46 pm
BIO
-
ONT
19h 16m
2 stops
$981Iberia
Wed, Apr 29 - Thu, May 7
United Airlines Logo
11:05 am - 5:00 pm
ONT
-
BIO
20h 55m
2 stops
United Airlines Logo
11:55 am - 10:31 pm
BIO
-
ONT
19h 36m
2 stops
$1,069United Airlines
Thu, Apr 16 - Sat, Apr 25

United Airlines flights from Ontario to Bilbao

Our best United Airlines deals on Ontario to Bilbao flight tickets
United Airlines
Apr 13
ONT7:00 amOntario
31h 25m
2 stops
BIO11:25 pmBilbao
Apr 20
BIO7:15 amBilbao
22h 21m
2 stops
ONT8:36 pmOntario
$807
United Airlines
Apr 15
ONT11:05 amOntario
27h 20m
2 stops
BIO11:25 pmBilbao
Apr 22
BIO2:10 pmBilbao
52h 46m
2 stops
ONT9:56 amOntario
$834
United Airlines
Apr 15
ONT11:05 amOntario
21h 10m
2 stops
BIO5:15 pmBilbao
Apr 21
BIO6:50 amBilbao
20h 12m
2 stops
ONT6:02 pmOntario
$900

British Airways flights from Ontario to Bilbao

Our best British Airways deals on Ontario to Bilbao flight tickets
British Airways
Apr 26
ONT6:00 amOntario
21h 45m
2 stops
BIO12:45 pmBilbao
May 7
BIO1:30 pmBilbao
19h 16m
2 stops
ONT11:46 pmOntario
$953
British Airways
Mar 23
ONT7:00 amOntario
21h 50m
2 stops
BIO12:50 pmBilbao
Apr 15
BIO9:15 amBilbao
22h 21m
2 stops
ONT10:36 pmOntario
$1,585
British Airways
May 25
ONT10:22 amOntario
17h 23m
2 stops
BIO12:45 pmBilbao
May 30
BIO1:30 pmBilbao
19h 29m
2 stops
ONT11:59 pmOntario
$1,881

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 3, 2026.
Use the filters below to find and compare flights from Ontario to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Tue 4/28

2:20 pm-5:30 pm

2 stops18h 10m

Bilbao

Thu 5/7

6:45 am-5:10 pm

2 stops19h 25m

$744

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Mon 4/13

7:00 am-11:25 pm

2 stops31h 25m

Bilbao

Mon 4/20

7:15 am-8:36 pm

2 stops22h 21m

$807

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Wed 4/15

11:05 am-11:25 pm

2 stops27h 20m

Bilbao

Wed 4/22

2:10 pm-9:56 am

2 stops52h 46m

$834

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Wed 4/15

11:05 am-5:15 pm

2 stops21h 10m

Bilbao

Tue 4/21

6:50 am-6:02 pm

2 stops20h 12m

$900

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Mon 3/23

6:37 pm-11:05 pm

2 stops20h 28m

Bilbao

Fri 5/1

2:00 pm-10:59 pm

2 stops17h 59m

$908

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Sun 4/26

6:00 am-12:45 pm

2 stops21h 45m

Bilbao

Thu 5/7

1:30 pm-11:46 pm

2 stops19h 16m

$953

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Mon 3/23

6:37 pm-11:05 pm

2 stops20h 28m

Bilbao

Sun 5/3

6:50 am-10:35 pm

2 stops24h 45m

$958

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Tue 4/28

11:05 am-5:10 pm

2 stops21h 05m

Bilbao

Wed 6/10

6:50 am-5:28 pm

2 stops19h 38m

$960

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Wed 4/29

2:08 pm-5:50 pm

2 stops18h 42m

Bilbao

Thu 5/7

1:30 pm-11:46 pm

2 stops19h 16m

$981

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Thu 4/16

11:05 am-5:00 pm

2 stops20h 55m

Bilbao

Sat 4/25

11:55 am-10:31 pm

2 stops19h 36m

$1,069

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bilbao from

How to get the cheapest flight ticket from Ontario to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Bilbao?

United Airlines and American Airlines are the most popular carriers operating from Ontario to Bilbao

What airlines fly to Bilbao?

Iberia, Lufthansa and United Airlines are the top three most popular airlines that fly to Bilbao from Ontario according to our data. Iberia is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 8 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Bilbao (ONT to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Bilbao

Fastest flight time

19h 15m

Direct flights

None
The fastest flight from Ontario to Bilbao takes 19h 15m
There are no direct flights from Ontario to Bilbao. There are no popular flight routes from Ontario to Bilbao.
Search flight deals

  • How far is Ontario to Bilbao by plane?

    A flight from Ontario to Bilbao will travel around 5691.9 mi. By plane, this route typically takes 19h 15m.

  • When did momondo last update prices for flights from Ontario Airport to Bilbao Airport?

    Prices for flights from Ontario Airport to Bilbao Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Ontario Airport to Bilbao Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The required travel and health documents for your Bilbao Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bilbao Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Bilbao?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Bilbao. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Bilbao with flexible booking policies on momondo?

momondo does allow users to show only those flights to Bilbao from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Bilbao?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bilbao from Ontario.

I’m not ready to book a flight from Ontario to Bilbao right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Bilbao from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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