$417+ Cheap flights from Ontario (ONT) to Madrid, Spain (MAD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Mar 26 — Apr 21
1 adult, Economy
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Find cheap flights from Ontario to Madrid with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ontario to MadridExplore the most affordable flight options available from Ontario to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2026.
Explore the most affordable flight options available from Ontario to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2026.
This United Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:05 am
ONT
- MAD
2 stops41h 00m
United Airlines
Fri 4/2411:15 am
MAD
- ONT
2 stops43h 35m
United Airlines
Deal found 2/23![United Airlines logo]()
$517
This British Airways deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:08 pm
ONT
- MAD
2 stops18h 22m
British Airways
Tue 4/2810:25 am
MAD
- ONT
1 stop19h 02m
British Airways
Deal found 2/24![British Airways logo]()
$522
This Iberia deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/292:08 pm
ONT
- MAD
1 stop15h 17m
Iberia
Wed 10/2812:55 am
MAD
- ONT
1 stop18h 07m
Iberia
Deal found 2/23![Iberia logo]()
$525
This oojo deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Wed 10/712:20 pm
MAD
- ONT
1 stop18h 31m
British Airways
Deal found 2/24![British Airways logo]()
$526
This Expedia deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1111:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Fri 4/2410:35 am
MAD
- ONT
2 stops20h 24m
British Airways
Deal found 2/23![British Airways logo]()
$529
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Tue 4/2810:50 am
MAD
- ONT
2 stops20h 00m
United Airlines
Deal found 2/24![United Airlines logo]()
$530
This Finnair deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:30 am
ONT
- MAD
1 stop21h 55m
Multiple Airlines
Tue 4/283:55 pm
MAD
- ONT
1 stop27h 14m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$531
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Wed 4/2211:15 am
MAD
- ONT
2 stops20h 11m
United Airlines
Deal found 2/24![United Airlines logo]()
$550
This BusinessClass deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:59 am
ONT
- MAD
1 stop13h 06m
British Airways
Wed 4/153:55 pm
MAD
- ONT
1 stop16h 51m
British Airways
Deal found 2/24![British Airways logo]()
$555
This Finnair deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 am
ONT
- MAD
1 stop23h 25m
Multiple Airlines
Wed 4/153:55 pm
MAD
- ONT
1 stop16h 51m
Multiple Airlines
Deal found 2/22![Multiple Airlines logo]()
$558
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:19 pm
ONT
- MAD
2 stops19h 11m
British Airways
Fri 4/1710:25 am
MAD
- ONT
1 stop19h 42m
British Airways
Deal found 2/21![British Airways logo]()
$560
Best flights from Ontario to MadridDiscover carefully curated flight deals from Ontario to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 24, 2026.
Discover carefully curated flight deals from Ontario to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 24, 2026.
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Mon 4/2010:50 am
MAD
- ONT
2 stops18h 46m
United Airlines
Deal found 2/22![United Airlines logo]()
$580
This British Airways deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:22 am
ONT
- MAD
1 stop13h 43m
British Airways
Wed 9/301:00 pm
MAD
- ONT
1 stop15h 55m
British Airways
Deal found 2/24![British Airways logo]()
$1,298
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:00 pm
ONT
- MAD
1 stop15h 15m
Delta
Mon 7/69:50 am
MAD
- ONT
1 stop17h 25m
Delta
Deal found 2/24![Delta logo]()
$1,325
This KLM deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:10 pm
ONT
- MAD
1 stop15h 05m
KLM
Thu 6/259:50 am
MAD
- ONT
1 stop17h 25m
KLM
Deal found 2/23![KLM logo]()
$1,339
This Turkish Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2611:25 pm
ONT
- MAD
2 stops56h 30m
Multiple Airlines
Sat 6/137:40 am
MAD
- ONT
2 stops24h 31m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$1,452
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/81:50 pm
ONT
- MAD
2 stops33h 10m
United Airlines
Wed 3/188:30 am
MAD
- ONT
2 stops22h 27m
United Airlines
Deal found 2/24![United Airlines logo]()
$876
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:30 pm
ONT
- MAD
2 stops27h 20m
United Airlines
Mon 6/112:45 pm
MAD
- ONT
2 stops43h 01m
United Airlines
Deal found 2/21![United Airlines logo]()
$957
This KLM deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Mon 6/229:50 am
MAD
- ONT
1 stop17h 25m
KLM
Deal found 2/22![KLM logo]()
$1,375
This Delta deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:00 pm
ONT
- MAD
1 stop15h 15m
Delta
Sun 7/59:50 am
MAD
- ONT
1 stop17h 25m
Delta
Deal found 2/24![Delta logo]()
$1,430
This KLM deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Mon 8/39:50 am
MAD
- ONT
1 stop17h 25m
KLM
Deal found 2/21![KLM logo]()
$1,384
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:40 pm
ONT
- MAD
2 stops32h 10m
United Airlines
Mon 4/612:45 pm
MAD
- ONT
3 stops38h 17m
United Airlines
Deal found 2/21![United Airlines logo]()
$1,340
This KLM deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:10 pm
ONT
- MAD
1 stop15h 05m
KLM
Mon 7/279:50 am
MAD
- ONT
1 stop17h 25m
KLM
Deal found 2/23![KLM logo]()
$1,388
Last-minute flights from Ontario to MadridDiscover last-minute flight deals from Ontario to Madrid. Data last updated February 24, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Madrid. Data last updated February 24, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:58 pm
ONT
- MAD
1 stop23h 27m
British Airways
Tue 3/1711:25 am
MAD
- ONT
1 stop19h 24m
British Airways
Deal found 2/21![British Airways logo]()
$685
This American Airlines deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:58 pm
ONT
- MAD
1 stop22h 17m
American Airlines
Tue 3/171:00 pm
MAD
- ONT
2 stops17h 49m
American Airlines
Deal found 2/23![American Airlines logo]()
$563
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:58 pm
ONT
- MAD
1 stop24h 27m
British Airways
Tue 3/1711:25 am
MAD
- ONT
1 stop19h 24m
British Airways
Deal found 2/21![British Airways logo]()
$641
This KAYAK deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:59 pm
ONT
- MAD
2 stops25h 16m
Lufthansa
Tue 3/1712:40 pm
MAD
- ONT
2 stops41h 38m
Lufthansa
Deal found 2/23![Lufthansa logo]()
$642
This Booking.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:15 am
ONT
- MAD
3 stops41h 45m
Air Canada
Tue 3/1712:40 pm
MAD
- ONT
3 stops32h 08m
Air Canada
Deal found 2/21![Air Canada logo]()
$711
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
ONT
- MAD
2 stops19h 15m
United Airlines
Tue 3/1711:15 am
MAD
- ONT
2 stops19h 03m
United Airlines
Deal found 2/22![United Airlines logo]()
$530
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
ONT
- MAD
2 stops19h 15m
United Airlines
Wed 3/1811:15 am
MAD
- ONT
2 stops19h 03m
United Airlines
Deal found 2/24![United Airlines logo]()
$700
This KLM deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:20 pm
ONT
- MAD
2 stops18h 45m
KLM
Tue 3/248:30 pm
MAD
- ONT
2 stops27h 58m
KLM
Deal found 2/22![KLM logo]()
$656
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:19 pm
ONT
- MAD
2 stops19h 11m
British Airways
Fri 4/1710:25 am
MAD
- ONT
1 stop19h 42m
British Airways
Deal found 2/21![British Airways logo]()
$560
One-way flights from Ontario to MadridSearch for one-way flight options from Ontario to Madrid. Find affordable one-way fares based on user searches. Data last updated February 24, 2026.
Search for one-way flight options from Ontario to Madrid. Find affordable one-way fares based on user searches. Data last updated February 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:08 pm
ONT
- MAD
3 stops32h 12m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$417
This oojo deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/243:19 pm
ONT
- MAD
2 stops19h 11m
British Airways
Deal found 2/22![British Airways logo]()
$425
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
ONT
- MAD
2 stops19h 15m
United Airlines
Deal found 2/22![United Airlines logo]()
$433
This oojo deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Deal found 2/24![British Airways logo]()
$435
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/911:59 pm
ONT
- MAD
2 stops25h 16m
United Airlines
Deal found 2/22![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:00 am
ONT
- MAD
2 stops29h 10m
Delta
Deal found 2/21![Delta logo]()
$441
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1511:59 pm
ONT
- MAD
2 stops25h 16m
United Airlines
Deal found 2/24![United Airlines logo]()
$442
This United Airlines deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:30 am
ONT
- MAD
2 stops17h 20m
United Airlines
Deal found 2/22![United Airlines logo]()
$445
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
ONT
- MAD
2 stops19h 15m
United Airlines
Deal found 2/24![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/171:20 pm
ONT
- MAD
2 stops18h 45m
Delta
Deal found 2/22![Delta logo]()
$447
Find flight deals from Ontario to Madrid
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Madrid (MAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $517 (United Airlines) |
One-way from | $417 (Kiwi.com) |
Popular in | May |
Cheapest in | October |
Average price | $539 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2026.
Use the filters below to find and compare flights from Ontario to Madrid that are best for you.
Fly from
Ontario
Fly to
Madrid
Route
Depart
Return
Price
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 4/13
7:00 am-8:05 am
2 stops16h 05m
Madrid Barajas
Mon 4/20
10:50 am-8:36 pm
2 stops18h 46m
$580
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 3/8
1:50 pm-7:00 am
2 stops33h 10m
Madrid Barajas
Wed 3/18
8:30 am-10:57 pm
2 stops22h 27m
$876
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 5/24
6:30 pm-6:50 am
2 stops27h 20m
Madrid Barajas
Mon 6/1
12:45 pm-10:46 pm
2 stops43h 01m
$957
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 7/1
10:22 am-9:05 am
1 stop13h 43m
Madrid Barajas
Wed 9/30
1:00 pm-7:55 pm
1 stop15h 55m
$1,298
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 6/24
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Mon 7/6
9:50 am-6:15 pm
1 stop17h 25m
$1,325
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 5/27
12:10 pm-12:15 pm
1 stop15h 05m
Madrid Barajas
Thu 6/25
9:50 am-6:15 pm
1 stop17h 25m
$1,339
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sat 3/28
1:40 pm-5:50 am
2 stops32h 10m
Madrid Barajas
Mon 4/6
12:45 pm-6:02 pm
3 stops38h 17m
$1,340
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Thu 6/11
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Mon 6/22
9:50 am-6:15 pm
1 stop17h 25m
$1,375
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Fri 7/17
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Mon 8/3
9:50 am-6:15 pm
1 stop17h 25m
$1,384
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 6/3
12:10 pm-12:15 pm
1 stop15h 05m
Madrid Barajas
Mon 7/27
9:50 am-6:15 pm
1 stop17h 25m
$1,388
Showing 1-10 of 24 results
Compare providers for flights from Ontario to Madrid
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Madrid in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Ontario-Madrid flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Madrid flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Madrid flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Madrid flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Madrid flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Madrid
Have a flexible travel schedule? Discover the best time to fly to Madrid from Ontario with our price prediction graph.
ONT-MAD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Madrid
What is the cheapest month to book a flight from Ontario to Madrid?
Currently, February is the cheapest month in which you can book a flight from Ontario to Madrid (average of $337). Flying from Ontario to Madrid in June is currently the most expensive (average of $678). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Ontario to Madrid?
Reviews of airlines servicing Madrid
Get insights into the airlines that provide service to Madrid. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Madrid. Reviews last updated February 24, 2026.
Read through reviews of airlines operating flights from Ontario to Madrid, such as Delta, American Airlines, and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Entertainment
7.8
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Madrid. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Madrid?
Book flights to Madrid if you plan to visit one of these locationsGetafe
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Alternative routes for Ontario to Madrid
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Complete your trip
Complete your trip to Madrid by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Madrid by cabin class
Find flights from Ontario to Madrid, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Madrid
Explore flights to Madrid departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 24, 2026.
Ontario and Madrid flights
Browse other Ontario and Madrid flight options. Last updated on February 24, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on February 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Ontario to Madrid
Discover the top 4 airlines that operate flights from Ontario to Madrid. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$439 | Average$936 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$444 | Average$873 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$497 | Average$657 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$952 | FlexibilityNo cancel fee | On-time70% |