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Cheap flights from Ontario to Spain from $245

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 Spain departing on 2/17. 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 Spain

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
3:09 pm - 6:25 pmONT-MAD
18h 16m2 stops
British Airways Logo
1:00 pm - 10:48 pmMAD-ONT
18h 48m1 stop
$426British Airways
Find Deal
dom., ene. 11 - mar., ene. 27
British Airways Logo
6:00 am - 9:25 amONT-MAD
18h 25m1 stop
British Airways Logo
1:00 pm - 10:48 pmMAD-ONT
18h 48m1 stop
$430British Airways
Find Deal
dom., ene. 11 - mar., ene. 27
Delta Logo
7:05 am - 9:15 amONT-MAD
17h 10m1 stop
Delta Logo
11:15 am - 11:04 pmMAD-ONT
20h 49m1 stop
$438Delta
Find Deal
mar., dic. 2 - jue., dic. 11
Delta Logo
10:30 pm - 4:05 pmONT-MAD
32h 35m2 stops
Delta Logo
11:15 am - 9:05 pmMAD-ONT
18h 50m1 stop
$475Delta
Find Deal
dom., ene. 11 - mar., ene. 27
Iberia Logo
10:58 am - 5:00 pmONT-IBZ
21h 02m2 stops
Iberia Logo
9:40 pm - 10:08 amIBZ-ONT
21h 28m2 stops
$500Iberia
Find Deal
mié., ene. 21 - lun., feb. 2
United Airlines Logo
6:00 am - 9:35 amONT-BCN
18h 35m2 stops
United Airlines Logo
6:50 am - 5:51 pmBCN-ONT
20h 01m2 stops
$686United Airlines
Find Deal
dom., ene. 11 - mar., ene. 20
United Airlines Logo
5:05 am - 1:10 pmONT-BCN
23h 05m2 stops
United Airlines Logo
11:00 am - 9:49 pmBCN-ONT
19h 49m2 stops
$687United Airlines
Find Deal
lun., dic. 1 - mar., dic. 16
Iberia Logo
6:10 am - 9:45 amONT-BCN
18h 35m2 stops
Iberia Logo
9:15 pm - 1:57 pmBCN-ONT
49h 42m2 stops
$708Iberia
Find Deal
jue., feb. 12 - mar., feb. 17
American Airlines Logo
10:47 am - 2:45 pmONT-BCN
18h 58m2 stops
American Airlines Logo
12:30 pm - 10:00 pmBCN-ONT
18h 30m2 stops
$734American Airlines
Find Deal
mar., dic. 2 - dom., dic. 7
American Airlines Logo
10:47 am - 4:30 pmONT-AGP
20h 43m2 stops
American Airlines Logo
5:50 pm - 6:17 pmAGP-ONT
33h 27m2 stops
$887American Airlines
Find Deal
vie., dic. 5 - mar., dic. 9

Delta flights from Ontario to Spain

Our best Delta deals on Ontario to Spain flight tickets
Delta
Dec 2
ONT7:05 amOntario
17h 10m
1 stop
MAD9:15 amMadrid Barajas
Dec 11
MAD11:15 amMadrid Barajas
20h 49m
1 stop
ONT11:04 pmOntario
$438
Find similar
Delta
Jan 11
ONT10:30 pmOntario
32h 35m
2 stops
MAD4:05 pmMadrid Barajas
Jan 27
MAD11:15 amMadrid Barajas
18h 50m
1 stop
ONT9:05 pmOntario
$475
Find similar
Delta
Jan 11
ONT10:30 pmOntario
32h 35m
2 stops
MAD4:05 pmMadrid Barajas
Jan 27
MAD10:00 amMadrid Barajas
22h 58m
2 stops
ONT11:58 pmOntario
$480
Find similar

United Airlines flights from Ontario to Spain

Our best United Airlines deals on Ontario to Spain flight tickets
United Airlines
Mar 4
ONT5:00 amOntario
18h 00m
2 stops
MAD8:00 amMadrid Barajas
Mar 11
MAD12:35 pmMadrid Barajas
41h 50m
2 stops
ONT10:25 pmOntario
$482
Find similar
United Airlines
Dec 2
ONT5:05 amOntario
17h 55m
2 stops
MAD8:00 amMadrid Barajas
Dec 11
MAD6:00 amMadrid Barajas
20h 37m
2 stops
ONT5:37 pmOntario
$487
Find similar
United Airlines
Jan 14
ONT6:10 amOntario
18h 05m
2 stops
MAD9:15 amMadrid Barajas
Jan 28
MAD8:30 amMadrid Barajas
23h 23m
2 stops
ONT10:53 pmOntario
$492
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Spain 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 noviembre 19, 2025.
Use the filters below to find and compare flights from Ontario to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

dom. 1/11

3:09 pm-6:25 pm

2 stops18h 16m

Madrid Barajas

mar. 1/27

1:00 pm-10:48 pm

1 stop18h 48m

$426

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

dom. 1/11

6:00 am-9:25 am

1 stop18h 25m

Madrid Barajas

mar. 1/27

1:00 pm-10:48 pm

1 stop18h 48m

$430

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

mar. 12/2

7:05 am-9:15 am

1 stop17h 10m

Madrid Barajas

jue. 12/11

11:15 am-11:04 pm

1 stop20h 49m

$438

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

dom. 1/11

10:30 pm-4:05 pm

2 stops32h 35m

Madrid Barajas

mar. 1/27

11:15 am-9:05 pm

1 stop18h 50m

$475

OntarioIbiza

ONT - IBZ

ONTIBZ

Ontario

mié. 1/21

10:58 am-5:00 pm

2 stops21h 02m

Ibiza

lun. 2/2

9:40 pm-10:08 am

2 stops21h 28m

$500

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

dom. 1/11

6:00 am-9:35 am

2 stops18h 35m

Barcelona-El Prat

mar. 1/20

6:50 am-5:51 pm

2 stops20h 01m

$686

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

lun. 12/1

5:05 am-1:10 pm

2 stops23h 05m

Barcelona-El Prat

mar. 12/16

11:00 am-9:49 pm

2 stops19h 49m

$687

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

jue. 2/12

6:10 am-9:45 am

2 stops18h 35m

Barcelona-El Prat

mar. 2/17

9:15 pm-1:57 pm

2 stops49h 42m

$708

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

mar. 12/2

10:47 am-2:45 pm

2 stops18h 58m

Barcelona-El Prat

dom. 12/7

12:30 pm-10:00 pm

2 stops18h 30m

$734

OntarioMálaga

ONT - AGP

ONTAGP

Ontario

vie. 12/5

10:47 am-4:30 pm

2 stops20h 43m

Malaga

mar. 12/9

5:50 pm-6:17 pm

2 stops33h 27m

$887

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 Spain from

How to get the cheapest flight ticket from Ontario to Spain

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 month to fly to Spain?

If you don’t want to visit Spain in January, then you should wait until March to fly from Ontario, when ticket prices are also cheap, with an average price of $688.

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

The cheapest day to depart from Ontario to Spain is on a Monday when prices can be found for as low as $774. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Spain for around $1,205.

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

Flying to Spain from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $894 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Spain is in the evening when prices are around $1,083.

Can stopping save me money on Ontario to Spain flights?

You could potentially save up to 30% on your flight if you consider stops on a Ontario to Spain flight.

Cheap Ontario to Spain flight deals and tips

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

Direct flights

None
There are no direct flights from Ontario to Spain. There are no popular flight routes from Ontario to Spain.
Search flight deals

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

    Prices for flights from Ontario Airport to Spain are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Spain?

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

    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 Spain.

  • What documentation or ID do you need to fly to Spain?

    The travel and health documents required for your trip to Spain can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Spain. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Spain

Compare and see reviews for airlines that fly from Ontario to Spain with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $444Free CancellationRating
7.9
8,002 reviews
Search Delta flights
British AirwaysPriceFrom $489Free CancellationRating
6.7
7,532 reviews
Search British Airways flights
IberiaPriceFrom $489Free CancellationRating
7.0
3,026 reviews
Search Iberia flights
United AirlinesPriceFrom $523Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
American AirlinesPriceFrom $595Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Spain for you.

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

Yes. All flights to Spain from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Spain.

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

Yes. momondo can track prices for Ontario to Spain flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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