Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Madrid from $418

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 Madrid departing on 4/10. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Madrid

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 9:15 am
ONT
-
MAD
19h 15m
2 stops
United Airlines Logo
12:40 pm - 10:18 pm
MAD
-
ONT
41h 38m
2 stops
$510United Airlines
Wed, Mar 4 - Wed, Mar 11
KLM Logo
12:49 pm - 12:15 pm
ONT
-
MAD
14h 26m
1 stop
KLM Logo
12:45 pm - 9:00 pm
MAD
-
ONT
17h 15m
1 stop
$513KLM
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
7:00 am - 9:25 am
ONT
-
MAD
17h 25m
1 stop
British Airways Logo
12:40 pm - 10:49 pm
MAD
-
ONT
19h 09m
1 stop
$521British Airways
Tue, Feb 17 - Tue, Feb 24
British Airways Logo
7:00 am - 9:25 am
ONT
-
MAD
17h 25m
1 stop
British Airways Logo
8:50 pm - 10:19 pm
MAD
-
ONT
34h 29m
2 stops
$528British Airways
Tue, Feb 17 - Tue, Feb 24
Delta Logo
6:00 am - 9:15 am
ONT
-
MAD
18h 15m
2 stops
Delta Logo
11:15 am - 9:05 pm
MAD
-
ONT
18h 50m
1 stop
$529Delta
Wed, Feb 18 - Thu, Feb 26
United Airlines Logo
5:00 am - 9:15 am
ONT
-
MAD
19h 15m
2 stops
United Airlines Logo
11:15 am - 10:18 pm
MAD
-
ONT
19h 03m
2 stops
$530United Airlines
Tue, Mar 3 - Tue, Mar 10
Delta Logo
10:20 pm - 9:15 am
ONT
-
MAD
25h 55m
1 stop
Delta Logo
10:05 am - 9:00 pm
MAD
-
ONT
18h 55m
1 stop
$531Delta
Sat, Feb 28 - Tue, Mar 10
British Airways Logo
11:58 pm - 9:25 am
ONT
-
MAD
24h 27m
1 stop
British Airways Logo
8:50 pm - 6:42 pm
MAD
-
ONT
29h 52m
2 stops
$534British Airways
Sun, Mar 1 - Tue, Mar 17
United Airlines Logo
6:15 am - 4:00 pm
ONT
-
MAD
25h 45m
2 stops
United Airlines Logo
8:25 am - 10:26 pm
MAD
-
ONT
23h 01m
2 stops
$548United Airlines
Sun, Mar 22 - Tue, Mar 31
KLM Logo
12:49 pm - 12:15 pm
ONT
-
MAD
14h 26m
1 stop
KLM Logo
6:00 am - 5:15 pm
MAD
-
ONT
20h 15m
2 stops
$552KLM
Tue, Apr 14 - Tue, Apr 21

British Airways flights from Ontario to Madrid

Our best British Airways deals on Ontario to Madrid flight tickets
British Airways
Feb 17
ONT7:00 amOntario
17h 25m
1 stop
MAD9:25 amMadrid Barajas
Feb 24
MAD12:40 pmMadrid Barajas
19h 09m
1 stop
ONT10:49 pmOntario
$521
British Airways
Feb 17
ONT7:00 amOntario
17h 25m
1 stop
MAD9:25 amMadrid Barajas
Feb 24
MAD8:50 pmMadrid Barajas
34h 29m
2 stops
ONT10:19 pmOntario
$528
British Airways
Mar 1
ONT11:58 pmOntario
24h 27m
1 stop
MAD9:25 amMadrid Barajas
Mar 17
MAD8:50 pmMadrid Barajas
29h 52m
2 stops
ONT6:42 pmOntario
$534

Delta flights from Ontario to Madrid

Our best Delta deals on Ontario to Madrid flight tickets
Delta
Feb 28
ONT10:20 pmOntario
25h 55m
1 stop
MAD9:15 amMadrid Barajas
Mar 10
MAD10:05 amMadrid Barajas
18h 55m
1 stop
ONT9:00 pmOntario
$531
Delta
Feb 20
ONT10:20 pmOntario
25h 55m
1 stop
MAD9:15 amMadrid Barajas
Mar 6
MAD11:15 amMadrid Barajas
18h 50m
1 stop
ONT9:05 pmOntario
$561
Delta
Feb 20
ONT10:20 pmOntario
25h 55m
1 stop
MAD9:15 amMadrid Barajas
Mar 6
MAD11:15 amMadrid Barajas
33h 47m
1 stop
ONT12:02 pmOntario
$566

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Madrid 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 February 3, 2026.
Use the filters below to find and compare flights from Ontario to Madrid that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 3/4

5:00 am-9:15 am

2 stops19h 15m

Madrid Barajas

Wed 3/11

12:40 pm-10:18 pm

2 stops41h 38m

$510

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 4/14

12:49 pm-12:15 pm

1 stop14h 26m

Madrid Barajas

Tue 4/21

12:45 pm-9:00 pm

1 stop17h 15m

$513

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 2/17

7:00 am-9:25 am

1 stop17h 25m

Madrid Barajas

Tue 2/24

12:40 pm-10:49 pm

1 stop19h 09m

$521

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 2/17

7:00 am-9:25 am

1 stop17h 25m

Madrid Barajas

Tue 2/24

8:50 pm-10:19 pm

2 stops34h 29m

$528

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 2/18

6:00 am-9:15 am

2 stops18h 15m

Madrid Barajas

Thu 2/26

11:15 am-9:05 pm

1 stop18h 50m

$529

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 3/3

5:00 am-9:15 am

2 stops19h 15m

Madrid Barajas

Tue 3/10

11:15 am-10:18 pm

2 stops19h 03m

$530

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sat 2/28

10:20 pm-9:15 am

1 stop25h 55m

Madrid Barajas

Tue 3/10

10:05 am-9:00 pm

1 stop18h 55m

$531

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 3/1

11:58 pm-9:25 am

1 stop24h 27m

Madrid Barajas

Tue 3/17

8:50 pm-6:42 pm

2 stops29h 52m

$534

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 3/22

6:15 am-4:00 pm

2 stops25h 45m

Madrid Barajas

Tue 3/31

8:25 am-10:26 pm

2 stops23h 01m

$548

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 4/14

12:49 pm-12:15 pm

1 stop14h 26m

Madrid Barajas

Tue 4/21

6:00 am-5:15 pm

2 stops20h 15m

$552

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Madrid from

How to get the cheapest flight ticket from Ontario to Madrid

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 Madrid?

The month of October is, on average, the cheapest month to fly to Madrid from Ontario, with most prices found around $497. If you don’t want to visit Madrid in October, then you should wait until February to fly from Ontario, when ticket prices are also cheap, with an average price of $574.

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

The cheapest day to depart on your flight to Madrid is on a Wednesday when prices can be found for as low as $811. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Madrid on Saturday is $1,042.

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

Flying to Madrid from Ontario in the evening is the least expensive time of day to depart. momondo users have found prices as low as $810 when looking at flights departing in the evening. Flights to Madrid are more costly in the afternoon, with an average ticket price of $883. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Ontario to Madrid flights?

You could potentially save up to 24% on your flight if you consider stops on a Ontario to Madrid flight.

When to book flights from Ontario to Madrid

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

Cheap Ontario to Madrid (ONT to MAD) flight deals and tips

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

Fastest flight time

13h 29m

Direct flights

None
The fastest flight from Ontario to Madrid takes 13h 29m
There are no direct flights from Ontario to Madrid. There are no popular flight routes from Ontario to Madrid.
Search flight deals

  • How far is Ontario to Madrid Barajas by plane?

    A flight from Ontario to Madrid Barajas will travel around 5789.5 mi. 13h 29m is a normal flight duration for this route.

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

    Prices for flights from Ontario Airport to Madrid Barajas Airport are updated daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Madrid Barajas Airport.

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

    The travel and health documents required for your trip to Madrid Barajas Airport 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 Madrid Barajas Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Madrid?

Best airlines flying from Ontario to Madrid

Compare and see reviews for airlines that fly from Ontario to Madrid with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $439Free CancellationRating
7.2
11,215 reviews
Search American Airlines flights
DeltaPriceFrom $444Free CancellationRating
7.9
8,136 reviews
Search Delta flights
IberiaPriceFrom $497Free CancellationRating
7.0
3,102 reviews
Search Iberia flights
British AirwaysPriceFrom $504Free CancellationRating
6.7
7,711 reviews
Search British Airways flights

Traveling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
Toledo
Segovia
Fuenlabrada
Getafe
Cuenca
San Lorenzo de El Escorial
Guadalajara

Why use momondo?

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

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 Madrid for you.

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

Yes. momondo allows you to filter the results for Ontario to Madrid flights to just show those with flexible booking policies.

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

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 Madrid.

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

Yes. momondo can track prices for Ontario to Madrid 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.

An easier way to manage your Madrid trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/5
Thu 3/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain