What airlines fly to Bilbao?

Iberia, Lufthansa and LEVEL 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 53% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 7 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

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

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

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.

$533 Cheap Flights from Ontario to Bilbao in 2025/26

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0 bags

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Find the cheapest flights from Ontario to Bilbao

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:38 pm - 9:55 pmONT-BIO

18h 17m2 stops

6:45 am - 10:31 pmBIO-ONT

24h 46m2 stops

$533United Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

7:00 am - 12:50 pmONT-BIO

20h 50m2 stops

6:45 am - 10:51 pmBIO-ONT

25h 06m3 stops

$535United Airlines

Find Deal

Tue, Nov 18 - Tue, Nov 25

7:00 am - 12:50 pmONT-BIO

20h 50m2 stops

11:35 am - 10:51 pmBIO-ONT

20h 16m2 stops

$537United Airlines

Find Deal

Tue, Nov 11 - Mon, Nov 17

6:45 am - 5:20 pmONT-BIO

25h 35m2 stops

6:50 am - 4:15 pmBIO-ONT

18h 25m2 stops

$760Delta

Find Deal

Wed, Mar 4 - Sun, Mar 8

6:00 am - 4:30 pmONT-BIO

25h 30m2 stops

12:45 pm - 9:14 pmBIO-ONT

40h 29m2 stops

$787KLM

Find Deal

Wed, Mar 4 - Sun, Mar 8

5:05 am - 11:20 pmONT-BIO

33h 15m2 stops

12:50 pm - 10:01 amBIO-ONT

30h 11m2 stops

$858United Airlines

Find Deal

Wed, Dec 24 - Wed, Dec 31

5:05 am - 11:20 pmONT-BIO

33h 15m2 stops

11:35 am - 10:01 amBIO-ONT

55h 26m2 stops

$870United Airlines

Find Deal

Wed, Dec 24 - Tue, Dec 30

5:05 am - 11:20 pmONT-BIO

33h 15m2 stops

6:45 am - 5:43 pmBIO-ONT

19h 58m2 stops

$956United Airlines

Find Deal

Wed, Dec 24 - Mon, Dec 29

11:59 pm - 8:30 amONT-BIO

23h 31m2 stops

9:15 am - 11:46 pmBIO-ONT

23h 31m2 stops

$2,578Multiple Airlines

Find Deal

Fri, Dec 19 - Sun, Jan 4

7:10 am - 8:30 amONT-BIO

16h 20m2 stops

9:15 am - 10:49 pmBIO-ONT

22h 34m2 stops

$6,739American Airlines

Find Deal

Sun, Dec 21 - Sun, Jan 11

United Airlines flights from Ontario to Bilbao

Our best United Airlines deals on Ontario to Bilbao flight tickets

United Airlines

Nov 18

ONT6:38 pmOntario

18h 17m

2 stops

BIO9:55 pmBilbao

Nov 25

BIO6:45 amBilbao

24h 46m

2 stops

ONT10:31 pmOntario

$533

Find similar

United Airlines

Nov 18

ONT7:00 amOntario

20h 50m

2 stops

BIO12:50 pmBilbao

Nov 25

BIO6:45 amBilbao

25h 06m

3 stops

ONT10:51 pmOntario

$535

Find similar

United Airlines

Nov 11

ONT7:00 amOntario

20h 50m

2 stops

BIO12:50 pmBilbao

Nov 17

BIO11:35 amBilbao

20h 16m

2 stops

ONT10:51 pmOntario

$537

Find similar

Iberia flights from Ontario to Bilbao

Our best Iberia deals on Ontario to Bilbao flight tickets

Iberia

Oct 16

ONT10:57 amOntario

20h 58m

2 stops

BIO4:55 pmBilbao

Oct 24

BIO9:15 amBilbao

22h 27m

2 stops

ONT10:42 pmOntario

$12,645

Find similar

Iberia

Dec 22

ONT10:50 amOntario

17h 00m

2 stops

BIO12:50 pmBilbao

Jan 2

BIO9:15 amBilbao

21h 59m

2 stops

ONT10:14 pmOntario

$14,495

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Tue 11/18

6:38 pm-9:55 pm

2 stops18h 17m

Bilbao

Tue 11/25

6:45 am-10:31 pm

2 stops24h 46m

$533

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Tue 11/18

7:00 am-12:50 pm

2 stops20h 50m

Bilbao

Tue 11/25

6:45 am-10:51 pm

3 stops25h 06m

$535

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Tue 11/11

7:00 am-12:50 pm

2 stops20h 50m

Bilbao

Mon 11/17

11:35 am-10:51 pm

2 stops20h 16m

$537

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Wed 3/4

6:45 am-5:20 pm

2 stops25h 35m

Bilbao

Sun 3/8

6:50 am-4:15 pm

2 stops18h 25m

$760

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Wed 3/4

6:00 am-4:30 pm

2 stops25h 30m

Bilbao

Sun 3/8

12:45 pm-9:14 pm

2 stops40h 29m

$787

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Wed 12/24

5:05 am-11:20 pm

2 stops33h 15m

Bilbao

Wed 12/31

12:50 pm-10:01 am

2 stops30h 11m

$858

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Wed 12/24

5:05 am-11:20 pm

2 stops33h 15m

Bilbao

Tue 12/30

11:35 am-10:01 am

2 stops55h 26m

$870

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Wed 12/24

5:05 am-11:20 pm

2 stops33h 15m

Bilbao

Mon 12/29

6:45 am-5:43 pm

2 stops19h 58m

$956

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Fri 12/19

11:59 pm-8:30 am

2 stops23h 31m

Bilbao

Sun 1/4

9:15 am-11:46 pm

2 stops23h 31m

$2,578

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Sun 12/21

7:10 am-8:30 am

2 stops16h 20m

Bilbao

Sun 1/11

9:15 am-10:49 pm

2 stops22h 34m

$6,739

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Bilbao?

The cheapest day to depart from Ontario to Bilbao is on a Tuesday. Travelers who choose to depart for Bilbao on a Tuesday will often find tickets for as low as $930. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,363. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.

What is the cheapest time of day to depart on your flight to Bilbao?

Our most recent data shows that the best time of day to fly to Bilbao is at noon. Flights from Ontario to Bilbao during this time can be as low as $901. In the morning is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,195 per ticket.

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

Direct flights	None

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 16h 20m.
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.

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.