$424+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Apr 14 — Apr 211
Round-trip
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 March 15, 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 March 15, 2026.
This Iberia deal was found by Cheapflights users on 3/10. 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 4/82:08 pm
ONT
- MAD
1 stop15h 17m
Iberia
Thu 4/163:55 pm
MAD
- ONT
1 stop16h 51m
Iberia
Deal found 3/10![Iberia logo]()
$595
This Finnair deal was found by Cheapflights users on 3/11. 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 4/226:00 am
ONT
- MAD
1 stop23h 25m
Multiple Airlines
Wed 4/293:55 pm
MAD
- ONT
1 stop16h 51m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$628
This United Airlines deal was found by Cheapflights users on 3/11. 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 10/65:00 am
ONT
- MAD
2 stops19h 00m
United Airlines
Wed 10/1412:45 pm
MAD
- ONT
2 stops37h 33m
United Airlines
Deal found 3/11![United Airlines logo]()
$629
This United Airlines deal was found by Cheapflights users on 3/11. 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 10/56:30 pm
ONT
- MAD
2 stops27h 20m
United Airlines
Tue 10/131:30 pm
MAD
- ONT
2 stops41h 56m
United Airlines
Deal found 3/11![United Airlines logo]()
$633
This Air Canada deal was found by Cheapflights users on 3/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:00 am
ONT
- MAD
2 stops18h 00m
Multiple Airlines
Wed 12/91:35 pm
MAD
- ONT
3 stops31h 58m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$636
This oojo deal was found by Cheapflights users on 3/10. 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.
Sun 4/1912:19 pm
ONT
- MAD
2 stops36h 21m
British Airways
Tue 4/286:25 pm
MAD
- ONT
2 stops33h 05m
British Airways
Deal found 3/10![British Airways logo]()
$639
This oojo deal was found by Cheapflights users on 3/13. 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 12/17:00 am
ONT
- MAD
1 stop17h 20m
British Airways
Wed 12/912:40 pm
MAD
- ONT
1 stop17h 27m
British Airways
Deal found 3/13![British Airways logo]()
$640
This Booking.com deal was found by Cheapflights users on 3/15. 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.
Tue 12/15:00 am
ONT
- MAD
2 stops18h 00m
Air Canada
Wed 12/91:35 pm
MAD
- ONT
2 stops39h 45m
Air Canada
Deal found 3/15![Air Canada logo]()
$642
This Finnair deal was found by Cheapflights users on 3/14. 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 4/223:55 pm
MAD
- ONT
1 stop16h 51m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 3/11. 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 12/16:00 am
ONT
- MAD
2 stops17h 00m
United Airlines
Tue 12/156:00 am
MAD
- ONT
2 stops26h 06m
United Airlines
Deal found 3/11![United Airlines logo]()
$648
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 March 15, 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 March 15, 2026.
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/127:00 am
ONT
- MAD
2 stops24h 45m
United Airlines
Fri 4/2411:15 am
MAD
- ONT
3 stops39h 32m
United Airlines
Deal found 3/10![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 3/14. 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.
Sat 4/257:05 am
ONT
- MAD
1 stop20h 10m
Delta
Sat 5/26:00 am
MAD
- ONT
2 stops25h 37m
Delta
Deal found 3/14![Delta logo]()
$746
This British Airways deal was found by Cheapflights users on 3/10. 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.
Mon 4/1310:59 am
ONT
- MAD
1 stop13h 06m
British Airways
Mon 4/273:55 pm
MAD
- ONT
1 stop16h 51m
British Airways
Deal found 3/10![British Airways logo]()
$867
This KLM deal was found by Cheapflights users on 3/14. 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.
Sun 5/1012:08 pm
ONT
- MAD
1 stop15h 07m
KLM
Fri 6/129:50 am
MAD
- ONT
1 stop17h 25m
KLM
Deal found 3/14![KLM logo]()
$1,380
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/187:00 am
ONT
- MAD
2 stops17h 00m
United Airlines
Sat 4/2511:15 am
MAD
- ONT
2 stops20h 30m
United Airlines
Deal found 3/10![United Airlines logo]()
$749
This United Airlines deal was found by Cheapflights users on 3/10. 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
Thu 4/2310:50 am
MAD
- ONT
2 stops18h 46m
United Airlines
Deal found 3/10![United Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 5/87:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Wed 5/1310:50 am
MAD
- ONT
2 stops18h 46m
United Airlines
Deal found 3/12![United Airlines logo]()
$1,014
This Delta deal was found by Cheapflights users on 3/11. 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 5/3110:00 pm
ONT
- MAD
2 stops26h 55m
Delta
Fri 6/1212:45 pm
MAD
- ONT
2 stops31h 35m
Delta
Deal found 3/11![Delta logo]()
$1,254
This British Airways deal was found by Cheapflights users on 3/12. 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.
Fri 5/810:59 am
ONT
- MAD
1 stop13h 36m
British Airways
Sun 5/171:00 pm
MAD
- ONT
1 stop17h 07m
British Airways
Deal found 3/12![British Airways logo]()
$1,338
This KLM deal was found by Cheapflights users on 3/12. 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.
Sun 5/2412:08 pm
ONT
- MAD
1 stop15h 07m
KLM
Sun 5/319:50 am
MAD
- ONT
1 stop17h 46m
KLM
Deal found 3/12![KLM logo]()
$1,386
This Delta deal was found by Cheapflights users on 3/11. 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.
Sat 5/3012:08 pm
ONT
- MAD
2 stops36h 47m
Delta
Fri 6/1212:45 pm
MAD
- ONT
2 stops31h 35m
Delta
Deal found 3/11![Delta logo]()
$1,272
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/11:34 pm
ONT
- MAD
2 stops18h 06m
United Airlines
Sun 4/55:55 am
MAD
- ONT
2 stops23h 41m
United Airlines
Deal found 3/13![United Airlines logo]()
$1,291
Last-minute flights from Ontario to MadridDiscover last-minute flight deals from Ontario to Madrid. Data last updated March 15, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Madrid. Data last updated March 15, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/12. 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 4/711:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Fri 4/171:00 pm
MAD
- ONT
1 stop18h 36m
British Airways
Deal found 3/12![British Airways logo]()
$640
This Iberia deal was found by Cheapflights users on 3/10. 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 4/82:08 pm
ONT
- MAD
1 stop15h 17m
Iberia
Thu 4/163:55 pm
MAD
- ONT
1 stop16h 51m
Iberia
Deal found 3/10![Iberia logo]()
$595
This Finnair deal was found by Cheapflights users on 3/14. 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 4/87:30 am
ONT
- MAD
1 stop21h 55m
Multiple Airlines
Thu 4/233:55 pm
MAD
- ONT
1 stop16h 51m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/87:00 am
ONT
- MAD
2 stops24h 45m
United Airlines
Thu 4/236:05 am
MAD
- ONT
2 stops25h 40m
United Airlines
Deal found 3/14![United Airlines logo]()
$652
This KLM deal was found by Cheapflights users on 3/14. 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 4/85:09 pm
ONT
- MAD
2 stops17h 26m
KLM
Thu 4/2312:45 pm
MAD
- ONT
1 stop17h 15m
KLM
Deal found 3/14![KLM logo]()
$653
This Delta deal was found by Cheapflights users on 3/14. 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 4/85:09 pm
ONT
- MAD
2 stops17h 26m
Delta
Wed 4/221:05 pm
MAD
- ONT
2 stops19h 39m
Delta
Deal found 3/14![Delta logo]()
$655
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/111:34 pm
ONT
- MAD
2 stops32h 16m
United Airlines
Tue 4/215:55 am
MAD
- ONT
2 stops25h 36m
United Airlines
Deal found 3/12![United Airlines logo]()
$654
This oojo deal was found by Cheapflights users on 3/10. 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.
Sun 4/1912:19 pm
ONT
- MAD
2 stops36h 21m
British Airways
Tue 4/286:25 pm
MAD
- ONT
2 stops33h 05m
British Airways
Deal found 3/10![British Airways logo]()
$639
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/217:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Wed 4/2910:50 am
MAD
- ONT
2 stops18h 46m
United Airlines
Deal found 3/10![United Airlines logo]()
$649
This Finnair deal was found by Cheapflights users on 3/11. 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 4/226:00 am
ONT
- MAD
1 stop23h 25m
Multiple Airlines
Wed 4/293:55 pm
MAD
- ONT
1 stop16h 51m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$628
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 March 15, 2026.
Search for one-way flight options from Ontario to Madrid. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/1510:33 am
ONT
- MAD
3 stops23h 52m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$424
This oojo deal was found by Cheapflights users on 3/11. 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.
Sun 5/312:19 pm
ONT
- MAD
2 stops36h 21m
British Airways
Deal found 3/11![British Airways logo]()
$484
This SmartFares deal was found by Cheapflights users on 3/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:49 pm
ONT
- MAD
1 stop14h 26m
Virgin Atlantic
Deal found 3/14![Virgin Atlantic logo]()
$485
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:59 am
ONT
- MAD
1 stop13h 06m
British Airways
Deal found 3/13![British Airways logo]()
$487
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:10 am
ONT
- MAD
2 stops16h 40m
Air Canada
Deal found 3/10![Air Canada logo]()
$492
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/286:05 am
ONT
- MAD
2 stops17h 55m
United Airlines
Deal found 3/10![United Airlines logo]()
$493
This oojo deal was found by Cheapflights users on 3/10. 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 3/10![British Airways logo]()
$495
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/156:05 am
ONT
- MAD
2 stops17h 00m
United Airlines
Deal found 3/10![United Airlines logo]()
$496
This Air Canada deal was found by Cheapflights users on 3/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:59 pm
ONT
- MAD
2 stops26h 51m
Air Canada
Deal found 3/11![Air Canada logo]()
$497
This Air Canada deal was found by Cheapflights users on 3/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:00 am
ONT
- MAD
2 stops16h 50m
Air Canada
Deal found 3/12![Air Canada logo]()
$500
This Mytrip deal was found by Cheapflights users on 3/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2112:27 am
ONT
- MAD
3 stops39h 58m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$501
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 March 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $595 (Iberia) |
One-way from | $424 (Kiwi.com) |
Popular in | May |
Cheapest in | October |
Average price | $582 |
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 March 15, 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
Cheapest round-trip
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 4/12
7:00 am-4:45 pm
2 stops24h 45m
Madrid Barajas
Fri 4/24
11:15 am-5:47 pm
3 stops39h 32m
$657
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sat 4/25
7:05 am-12:15 pm
1 stop20h 10m
Madrid Barajas
Sat 5/2
6:00 am-10:37 pm
2 stops25h 37m
$746
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sat 4/18
7:00 am-9:00 am
2 stops17h 00m
Madrid Barajas
Sat 4/25
11:15 am-10:45 pm
2 stops20h 30m
$749
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 4/13
7:00 am-8:05 am
2 stops16h 05m
Madrid Barajas
Thu 4/23
10:50 am-8:36 pm
2 stops18h 46m
$819
Quickest round-trip
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 4/13
10:59 am-9:05 am
1 stop13h 06m
Madrid Barajas
Mon 4/27
3:55 pm-11:46 pm
1 stop16h 51m
$867
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Fri 5/8
7:00 am-8:05 am
2 stops16h 05m
Madrid Barajas
Wed 5/13
10:50 am-8:36 pm
2 stops18h 46m
$1,014
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 5/31
10:00 pm-9:55 am
2 stops26h 55m
Madrid Barajas
Fri 6/12
12:45 pm-11:20 am
2 stops31h 35m
$1,254
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sat 5/30
12:08 pm-9:55 am
2 stops36h 47m
Madrid Barajas
Fri 6/12
12:45 pm-11:20 am
2 stops31h 35m
$1,272
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 4/1
1:34 pm-4:40 pm
2 stops18h 06m
Madrid Barajas
Sun 4/5
5:55 am-8:36 pm
2 stops23h 41m
$1,291
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Fri 5/8
10:59 am-9:35 am
1 stop13h 36m
Madrid Barajas
Sun 5/17
1:00 pm-9:07 pm
1 stop17h 07m
$1,338
Showing 1-10 of 22 resultsSorted by cheapest first
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 March.
| 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
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 March 15, 2026.
Read through reviews of airlines operating flights from Ontario to Madrid, such as Delta,American Airlines, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Entertainment
7.8
Comfort
7.9
Crew
8.5
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 March 15, 2026.
Ontario and Madrid flights
Browse other Ontario and Madrid flight options. Last updated on March 15, 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 March 15, 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 March 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$439 | Average$833 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$444 | Average$873 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$497 | Average$731 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$916 | FlexibilityNo cancel fee | On-time70% |