$411 Cheap Flights from Ontario to Bilbao in 2026 | momondo

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Find the cheapest flights from Ontario to Bilbao

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11:10 am - 5:55 pmONT Ontario-BIO Bilbao

21h 45m2 stops San Francisco Munich Franz Josef Strauss

6:50 am - 8:31 pmBIO Bilbao-ONT Ontario

22h 41m2 stops Frankfurt am Main San Francisco

$708United Airlines

Wed, Oct 14 - Wed, Oct 21

11:20 am - 9:55 pmONT Ontario-BIO Bilbao

25h 35m2 stops San Francisco Munich Franz Josef Strauss

6:45 am - 8:26 pmBIO Bilbao-ONT Ontario

22h 41m2 stops Frankfurt am Main San Francisco

$724United Airlines

Wed, Jan 20 - Mon, Jan 25

12:20 pm - 5:25 pmONT Ontario-BIO Bilbao

20h 05m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

7:10 am - 10:14 pmBIO Bilbao-ONT Ontario

24h 04m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$798Multiple Airlines

Mon, Dec 14 - Sun, Jan 10

6:40 pm - 11:00 amONT Ontario-BIO Bilbao

31h 20m2 stops San Francisco Munich Franz Josef Strauss

6:45 am - 8:20 pmBIO Bilbao-ONT Ontario

22h 35m2 stops Frankfurt am Main Denver Intl

$857United Airlines

Mon, Dec 14 - Sun, Jan 10

6:40 pm - 5:00 pmONT Ontario-BIO Bilbao

37h 20m3 stops San Francisco Boston Logan Intl Frankfurt am Main

6:45 am - 8:20 pmBIO Bilbao-ONT Ontario

22h 35m3 stops Frankfurt am Main Newark Denver Intl

$873United Airlines

Mon, Dec 14 - Sun, Jan 10

6:40 pm - 5:00 pmONT Ontario-BIO Bilbao

37h 20m3 stops San Francisco Boston Logan Intl Frankfurt am Main

6:45 am - 8:20 pmBIO Bilbao-ONT Ontario

22h 35m2 stops Frankfurt am Main Denver Intl

$873United Airlines

Mon, Dec 14 - Sun, Jan 10

6:40 pm - 11:00 amONT Ontario-BIO Bilbao

31h 20m2 stops San Francisco Munich Franz Josef Strauss

6:45 am - 8:20 pmBIO Bilbao-ONT Ontario

22h 35m2 stops Frankfurt am Main Denver Intl

$876Lufthansa

Mon, Dec 14 - Sun, Jan 10

4:03 pm - 11:00 amONT Ontario-BIO Bilbao

33h 57m2 stops San Francisco Munich Franz Josef Strauss

6:45 am - 8:20 pmBIO Bilbao-ONT Ontario

22h 35m2 stops Frankfurt am Main Denver Intl

$876Lufthansa

Mon, Dec 14 - Sun, Jan 10

11:20 am - 11:00 amONT Ontario-BIO Bilbao

38h 40m2 stops San Francisco Munich Franz Josef Strauss

6:45 am - 8:20 pmBIO Bilbao-ONT Ontario

22h 35m2 stops Frankfurt am Main Denver Intl

$876Lufthansa

Mon, Dec 14 - Sun, Jan 10

7:00 am - 8:30 amONT Ontario-BIO Bilbao

16h 30m2 stops Dallas/Fort Worth Madrid Barajas

9:35 pm - 9:40 amBIO Bilbao-ONT Ontario

21h 05m2 stops Madrid Barajas Dallas/Fort Worth

$888Iberia

Tue, Nov 17 - Wed, Dec 2

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United Airlines flights from Ontario to Bilbao

Our best United Airlines deals on Ontario to Bilbao flight tickets

United Airlines

Oct 14

ONT11:10 amOntario

21h 45m

2 stops

BIO5:55 pmBilbao

Oct 21

BIO6:50 amBilbao

22h 41m

2 stops

ONT8:31 pmOntario

$708

United Airlines

Jan 20

ONT11:20 amOntario

25h 35m

2 stops

BIO9:55 pmBilbao

Jan 25

BIO6:45 amBilbao

22h 41m

2 stops

ONT8:26 pmOntario

$724

United Airlines

Dec 14

ONT6:40 pmOntario

31h 20m

2 stops

BIO11:00 amBilbao

Jan 10

BIO6:45 amBilbao

22h 35m

2 stops

ONT8:20 pmOntario

$857

Iberia flights from Ontario to Bilbao

Our best Iberia deals on Ontario to Bilbao flight tickets

Iberia

Nov 17

ONT7:00 amOntario

16h 30m

2 stops

BIO8:30 amBilbao

Dec 2

BIO9:35 pmBilbao

21h 05m

2 stops

ONT9:40 amOntario

$888

Iberia

Nov 17

ONT7:00 amOntario

16h 30m

2 stops

BIO8:30 amBilbao

Nov 30

BIO9:35 pmBilbao

21h 12m

2 stops

ONT9:47 amOntario

$1,147

Iberia

Oct 3

ONT2:22 pmOntario

17h 33m

2 stops

BIO4:55 pmBilbao

Oct 13

BIO1:30 pmBilbao

19h 22m

2 stops

ONT11:52 pmOntario

$1,148

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Wed 10/14

11:10 am-5:55 pm

2 stops21h 45m

Bilbao

Wed 10/21

6:50 am-8:31 pm

2 stops22h 41m

$708

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Wed 1/20

11:20 am-9:55 pm

2 stops25h 35m

Bilbao

Mon 1/25

6:45 am-8:26 pm

2 stops22h 41m

$724

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Mon 12/14

12:20 pm-5:25 pm

2 stops20h 05m

Bilbao

Sun 1/10

7:10 am-10:14 pm

2 stops24h 04m

$798

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Mon 12/14

6:40 pm-11:00 am

2 stops31h 20m

Bilbao

Sun 1/10

6:45 am-8:20 pm

2 stops22h 35m

$857

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Mon 12/14

6:40 pm-5:00 pm

3 stops37h 20m

Bilbao

Sun 1/10

6:45 am-8:20 pm

3 stops22h 35m

$873

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Mon 12/14

6:40 pm-5:00 pm

3 stops37h 20m

Bilbao

Sun 1/10

6:45 am-8:20 pm

2 stops22h 35m

$873

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Mon 12/14

6:40 pm-11:00 am

2 stops31h 20m

Bilbao

Sun 1/10

6:45 am-8:20 pm

2 stops22h 35m

$876

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Mon 12/14

4:03 pm-11:00 am

2 stops33h 57m

Bilbao

Sun 1/10

6:45 am-8:20 pm

2 stops22h 35m

$876

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Mon 12/14

11:20 am-11:00 am

2 stops38h 40m

Bilbao

Sun 1/10

6:45 am-8:20 pm

2 stops22h 35m

$876

Quickest round-trip

OntarioBilbao

ONT Ontario - BIO Bilbao

ONTBIO

Ontario

Tue 11/17

7:00 am-8:30 am

2 stops16h 30m

Bilbao

Wed 12/2

9:35 pm-9:40 am

2 stops21h 05m

$888

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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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?

Delta, Air France, and United Airlines are the most popular carriers operating from Ontario to Bilbao

What airlines fly to Bilbao?

Lufthansa, Iberia and United Airlines are the top three most popular airlines that fly to Bilbao from Ontario according to our data. Lufthansa is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 6 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

Best Price Found	$411
Fastest flight time	19h 02m
Direct flights	None

The best one-way flight to Bilbao from Ontario in the past 72 hours is $411. The best round-trip flight deal from Ontario to Bilbao found on momondo in the last 72 hours is $708.

The fastest flight from Ontario to Bilbao takes 19h 02m

There are no direct flights from Ontario to Bilbao. There are no popular flight routes from Ontario to Bilbao.

Search flight deals

Frequently asked questions about flying from Ontario to Bilbao

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 02m.
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.

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Laredo

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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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