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Cheap flights from Ontario to Bilbao from $463

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 9/15. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:45 am - 11:05 pm
ONT
-
BIO
31h 20m
2 stops
United Airlines Logo
6:45 am - 8:20 pm
BIO
-
ONT
22h 35m
2 stops
$784United Airlines
Mon, Jan 25 - Fri, Jan 29
United Airlines Logo
6:53 pm - 5:00 pm
ONT
-
BIO
37h 07m
3 stops
United Airlines Logo
6:45 am - 6:44 pm
BIO
-
ONT
20h 59m
2 stops
$797United Airlines
Mon, Jan 25 - Fri, Jan 29
United Airlines Logo
4:17 pm - 9:55 pm
ONT
-
BIO
20h 38m
2 stops
United Airlines Logo
7:30 am - 8:15 pm
BIO
-
ONT
21h 45m
2 stops
$863United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
5:00 am - 4:45 pm
ONT
-
BIO
26h 45m
2 stops
United Airlines Logo
6:45 am - 8:20 pm
BIO
-
ONT
22h 35m
2 stops
$882United Airlines
Mon, Dec 7 - Fri, Dec 11
United Airlines Logo
6:53 pm - 5:00 pm
ONT
-
BIO
37h 07m
3 stops
United Airlines Logo
6:45 am - 8:20 pm
BIO
-
ONT
22h 35m
2 stops
$956United Airlines
Mon, Dec 7 - Fri, Dec 11
Delta Logo
11:54 am - 5:30 pm
ONT
-
BIO
20h 36m
2 stops
Delta Logo
6:45 am - 10:24 pm
BIO
-
ONT
24h 39m
2 stops
$971Delta
Thu, Sep 10 - Thu, Sep 17
United Airlines Logo
8:00 am - 10:45 am
ONT
-
BIO
17h 45m
2 stops
United Airlines Logo
6:50 am - 8:01 pm
BIO
-
ONT
22h 11m
3 stops
$1,015United Airlines
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
1:56 pm - 11:25 pm
ONT
-
BIO
48h 29m
2 stops
United Airlines Logo
11:55 am - 8:01 pm
BIO
-
ONT
41h 06m
2 stops
$1,016United Airlines
Sat, Aug 15 - Fri, Sep 4
British Airways Logo
2:56 pm - 12:50 pm
ONT
-
BIO
36h 54m
2 stops
British Airways Logo
1:35 pm - 6:18 pm
BIO
-
ONT
37h 43m
2 stops
$1,065British Airways
Mon, Dec 7 - Fri, Dec 11
Turkish Airlines Logo
11:59 pm - 11:05 am
ONT
-
BIO
50h 06m
2 stops
Turkish Airlines Logo
12:05 pm - 8:57 pm
BIO
-
ONT
41h 52m
2 stops
$1,171Turkish Airlines
Tue, Sep 8 - Fri, Sep 18

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Turkish Airlines flights from Ontario to Bilbao

Our best Turkish Airlines deals on Ontario to Bilbao flight tickets
Turkish Airlines
Sep 8
ONT11:59 pmOntario
50h 06m
2 stops
BIO11:05 amBilbao
Sep 18
BIO12:05 pmBilbao
41h 52m
2 stops
ONT8:57 pmOntario
$1,171
Turkish Airlines
Sep 10
ONT10:39 pmOntario
57h 46m
2 stops
BIO5:25 pmBilbao
Sep 22
BIO12:05 pmBilbao
41h 52m
2 stops
ONT8:57 pmOntario
$1,406
Turkish Airlines
Aug 4
ONT11:51 pmOntario
50h 19m
2 stops
BIO11:10 amBilbao
Sep 29
BIO12:05 pmBilbao
41h 52m
2 stops
ONT8:57 pmOntario
$1,421

United Airlines flights from Ontario to Bilbao

Our best United Airlines deals on Ontario to Bilbao flight tickets
United Airlines
Jan 25
ONT6:45 amOntario
31h 20m
2 stops
BIO11:05 pmBilbao
Jan 29
BIO6:45 amBilbao
22h 35m
2 stops
ONT8:20 pmOntario
$784
United Airlines
Jan 25
ONT6:53 pmOntario
37h 07m
3 stops
BIO5:00 pmBilbao
Jan 29
BIO6:45 amBilbao
20h 59m
2 stops
ONT6:44 pmOntario
$797
United Airlines
Nov 11
ONT4:17 pmOntario
20h 38m
2 stops
BIO9:55 pmBilbao
Nov 18
BIO7:30 amBilbao
21h 45m
2 stops
ONT8:15 pmOntario
$863

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 July 30, 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

Cheapest round-trip

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Mon 1/25

6:45 am-11:05 pm

2 stops31h 20m

Bilbao

Fri 1/29

6:45 am-8:20 pm

2 stops22h 35m

$784

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Mon 1/25

6:53 pm-5:00 pm

3 stops37h 07m

Bilbao

Fri 1/29

6:45 am-6:44 pm

2 stops20h 59m

$797

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Wed 11/11

4:17 pm-9:55 pm

2 stops20h 38m

Bilbao

Wed 11/18

7:30 am-8:15 pm

2 stops21h 45m

$863

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Mon 12/7

5:00 am-4:45 pm

2 stops26h 45m

Bilbao

Fri 12/11

6:45 am-8:20 pm

2 stops22h 35m

$882

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Mon 12/7

6:53 pm-5:00 pm

3 stops37h 07m

Bilbao

Fri 12/11

6:45 am-8:20 pm

2 stops22h 35m

$956

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Thu 9/10

11:54 am-5:30 pm

2 stops20h 36m

Bilbao

Thu 9/17

6:45 am-10:24 pm

2 stops24h 39m

$971
Quickest round-trip

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Sat 9/12

8:00 am-10:45 am

2 stops17h 45m

Bilbao

Sat 9/19

6:50 am-8:01 pm

3 stops22h 11m

$1,015

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Sat 8/15

1:56 pm-11:25 pm

2 stops48h 29m

Bilbao

Fri 9/4

11:55 am-8:01 pm

2 stops41h 06m

$1,016

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Mon 12/7

2:56 pm-12:50 pm

2 stops36h 54m

Bilbao

Fri 12/11

1:35 pm-6:18 pm

2 stops37h 43m

$1,065

OntarioBilbao

ONT - BIO

ONTBIO

Ontario

Tue 9/8

11:59 pm-11:05 am

2 stops50h 06m

Bilbao

Fri 9/18

12:05 pm-8:57 pm

2 stops41h 52m

$1,171

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 is the most popular carrier 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 35% 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

Fastest flight time

20h 36m

Direct flights

None
The fastest flight from Ontario to Bilbao takes 20h 36m
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 20h 36m.

  • 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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