$324+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Apr 27 — May 41
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 28, 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 28, 2026.
This KLM deal was found by Cheapflights users on 3/23. 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 4/2212:49 pm
ONT
- MAD
1 stop14h 26m
KLM
Wed 4/2912:45 pm
MAD
- ONT
1 stop17h 15m
KLM
Deal found 3/23![KLM logo]()
$685
This Delta deal was found by Cheapflights users on 3/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:00 am
ONT
- MAD
1 stop17h 15m
Delta
Wed 11/2511:15 am
MAD
- ONT
1 stop19h 59m
Delta
Deal found 3/23![Delta logo]()
$694
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 4/207:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Thu 4/308:20 am
MAD
- ONT
2 stops23h 39m
United Airlines
Deal found 3/24![United Airlines logo]()
$699
This oojo deal was found by Cheapflights users on 3/24. 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.
Sun 9/204:59 pm
ONT
- MAD
2 stops31h 41m
British Airways
Wed 9/309:00 pm
MAD
- ONT
2 stops29h 48m
British Airways
Deal found 3/24![British Airways logo]()
$708
This oojo deal was found by Cheapflights users on 3/25. 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 11/246:10 am
ONT
- MAD
1 stop18h 10m
British Airways
Tue 12/812:40 pm
MAD
- ONT
1 stop17h 27m
British Airways
Deal found 3/25![British Airways logo]()
$709
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Wed 10/2112:20 pm
MAD
- ONT
1 stop30h 09m
British Airways
Deal found 3/23![British Airways logo]()
$714
This United Airlines deal was found by Cheapflights users on 3/25. 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 10/67:00 am
ONT
- MAD
2 stops17h 00m
United Airlines
Fri 10/1612:45 pm
MAD
- ONT
2 stops42h 41m
United Airlines
Deal found 3/25![United Airlines logo]()
$729
This Iberia deal was found by Cheapflights users on 3/23. 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.
Tue 4/212:08 pm
ONT
- MAD
1 stop15h 17m
Iberia
Wed 4/293:55 pm
MAD
- ONT
1 stop16h 51m
Iberia
Deal found 3/23![Iberia logo]()
$735
This KLM deal was found by Cheapflights users on 3/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:49 pm
ONT
- MAD
1 stop14h 26m
KLM
Mon 5/412:45 pm
MAD
- ONT
1 stop17h 15m
KLM
Deal found 3/24![KLM logo]()
$737
This KLM deal was found by Cheapflights users on 3/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:49 pm
ONT
- MAD
1 stop14h 26m
KLM
Mon 5/412:45 pm
MAD
- ONT
1 stop17h 15m
KLM
Deal found 3/24![KLM logo]()
$740
This Trip.com deal was found by Cheapflights users on 3/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:47 am
ONT
- MAD
1 stop13h 33m
Iberia
Wed 12/1612:55 am
MAD
- ONT
1 stop19h 58m
Iberia
Deal found 3/24![Iberia logo]()
$743
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 28, 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 28, 2026.
This KLM deal was found by Cheapflights users on 3/24. 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 KLM 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
KLM
Wed 4/2912:45 pm
MAD
- ONT
1 stop17h 15m
KLM
Deal found 3/24![KLM logo]()
$695
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Wed 9/237:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Tue 10/611:15 am
MAD
- ONT
2 stops20h 51m
United Airlines
Deal found 3/23![United Airlines logo]()
$699
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 4/2412:49 pm
ONT
- MAD
1 stop14h 26m
Delta
Thu 4/306:00 am
MAD
- ONT
2 stops19h 25m
Delta
Deal found 3/27![Delta logo]()
$884
This British Airways deal was found by Cheapflights users on 3/25. 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.
Sun 5/310:54 am
ONT
- MAD
1 stop13h 11m
British Airways
Tue 5/191:00 pm
MAD
- ONT
1 stop16h 27m
British Airways
Deal found 3/25![British Airways logo]()
$1,028
This Delta deal was found by Cheapflights users on 3/27. 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 4/2512:49 pm
ONT
- MAD
1 stop14h 26m
Delta
Sat 5/212:45 pm
MAD
- ONT
1 stop17h 15m
Delta
Deal found 3/27![Delta logo]()
$886
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/297:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Thu 5/1411:15 am
MAD
- ONT
2 stops20h 20m
United Airlines
Deal found 3/28![United Airlines logo]()
$932
This British Airways deal was found by Cheapflights users on 3/27. 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 9/210:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Sun 9/131:00 pm
MAD
- ONT
1 stop15h 55m
British Airways
Deal found 3/27![British Airways logo]()
$1,117
This KLM deal was found by Cheapflights users on 3/23. 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.
Sun 8/1612:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Sat 12/1911:15 am
MAD
- ONT
1 stop19h 59m
KLM
Deal found 3/23![KLM logo]()
$1,244
This British Airways deal was found by Cheapflights users on 3/27. 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 4/711:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Tue 4/149:00 pm
MAD
- ONT
2 stops34h 36m
British Airways
Deal found 3/27![British Airways logo]()
$1,166
This KLM deal was found by Cheapflights users on 3/26. 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 9/2212:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Thu 10/89:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 3/26![KLM logo]()
$1,258
This United Airlines deal was found by Cheapflights users on 3/25. 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 4/85:10 am
ONT
- MAD
2 stops29h 40m
United Airlines
Sun 4/1212:45 pm
MAD
- ONT
2 stops32h 53m
United Airlines
Deal found 3/25![United Airlines logo]()
$1,261
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 7/136:30 am
ONT
- MAD
2 stops17h 30m
United Airlines
Wed 7/2211:15 am
MAD
- ONT
2 stops20h 36m
United Airlines
Deal found 3/23![United Airlines logo]()
$1,304
Last-minute flights from Ontario to MadridDiscover last-minute flight deals from Ontario to Madrid. Data last updated March 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Madrid. Data last updated March 28, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 3/23. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:49 pm
ONT
- MAD
1 stop14h 26m
Multiple Airlines
Wed 4/2912:45 pm
MAD
- ONT
1 stop17h 15m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$762
This KLM deal was found by Cheapflights users on 3/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:49 pm
ONT
- MAD
1 stop14h 26m
KLM
Mon 5/412:45 pm
MAD
- ONT
1 stop17h 15m
KLM
Deal found 3/24![KLM logo]()
$737
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Sun 4/191:27 pm
ONT
- MAD
2 stops33h 38m
United Airlines
Sun 4/265:55 am
MAD
- ONT
2 stops37h 01m
United Airlines
Deal found 3/23![United Airlines logo]()
$754
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 4/207:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Thu 4/308:20 am
MAD
- ONT
2 stops23h 39m
United Airlines
Deal found 3/24![United Airlines logo]()
$699
This United Airlines deal was found by Cheapflights users on 3/26. 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 4/205:10 am
ONT
- MAD
2 stops18h 50m
United Airlines
Wed 4/2910:50 am
MAD
- ONT
2 stops18h 46m
United Airlines
Deal found 3/26![United Airlines logo]()
$749
This Iberia deal was found by Cheapflights users on 3/23. 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.
Tue 4/212:08 pm
ONT
- MAD
1 stop15h 17m
Iberia
Wed 4/293:55 pm
MAD
- ONT
1 stop16h 51m
Iberia
Deal found 3/23![Iberia logo]()
$735
This KLM deal was found by Cheapflights users on 3/23. 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 4/2212:49 pm
ONT
- MAD
1 stop14h 26m
KLM
Wed 4/2912:45 pm
MAD
- ONT
1 stop17h 15m
KLM
Deal found 3/23![KLM logo]()
$685
This KAYAK deal was found by Cheapflights users on 3/23. 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.
Wed 4/2212:49 pm
ONT
- MAD
1 stop14h 26m
Air Europa
Wed 4/2912:45 pm
MAD
- ONT
1 stop17h 15m
Air Europa
Deal found 3/23![Air Europa logo]()
$744
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/277:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Mon 5/41:30 pm
MAD
- ONT
2 stops18h 05m
United Airlines
Deal found 3/23![United Airlines logo]()
$757
This KLM deal was found by Cheapflights users on 3/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:49 pm
ONT
- MAD
1 stop14h 26m
KLM
Mon 5/412:45 pm
MAD
- ONT
1 stop17h 15m
KLM
Deal found 3/24![KLM logo]()
$740
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 28, 2026.
Search for one-way flight options from Ontario to Madrid. Find affordable one-way fares based on user searches. Data last updated March 28, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 3/23![British Airways logo]()
$324
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Tue 8/187:20 am
ONT
- MAD
2 stops16h 00m
American Airlines
Deal found 3/23![American Airlines logo]()
$328
This oojo deal was found by Cheapflights users on 3/24. 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.
Mon 8/1011:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Deal found 3/24![British Airways logo]()
$329
This Iberia deal was found by Cheapflights users on 3/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:15 pm
ONT
- MAD
1 stop15h 10m
Iberia
Deal found 3/24![Iberia logo]()
$330
This oojo deal was found by Cheapflights users on 3/25. 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 8/812:35 pm
ONT
- MAD
1 stop35h 30m
British Airways
Deal found 3/25![British Airways logo]()
$340
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Wed 8/510:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 3/27![British Airways logo]()
$345
This oojo deal was found by Cheapflights users on 3/28. 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 7/2711:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Deal found 3/28![British Airways logo]()
$354
This KAYAK deal was found by Cheapflights users on 3/23. 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.
Tue 8/1811:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Deal found 3/23![British Airways logo]()
$371
This Iberia deal was found by Cheapflights users on 3/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:00 am
ONT
- MAD
1 stop17h 05m
Iberia
Deal found 3/24![Iberia logo]()
$444
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:05 pm
ONT
- MAD
3 stops23h 10m
Multiple Airlines
Deal found 3/24![Multiple Airlines logo]()
$458
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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.
Wed 7/2210:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 3/25![British Airways logo]()
$460
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 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $685 (KLM) |
One-way from | $324 (Cheapflightsfares) |
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 28, 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
Wed 4/22
12:49 pm-12:15 pm
1 stop14h 26m
Madrid Barajas
Wed 4/29
12:45 pm-9:00 pm
1 stop17h 15m
$695
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 9/23
7:00 am-8:05 am
2 stops16h 05m
Madrid Barajas
Tue 10/6
11:15 am-11:06 pm
2 stops20h 51m
$699
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Fri 4/24
12:49 pm-12:15 pm
1 stop14h 26m
Madrid Barajas
Thu 4/30
6:00 am-4:25 pm
2 stops19h 25m
$884
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sat 4/25
12:49 pm-12:15 pm
1 stop14h 26m
Madrid Barajas
Sat 5/2
12:45 pm-9:00 pm
1 stop17h 15m
$886
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 4/29
7:00 am-8:05 am
2 stops16h 05m
Madrid Barajas
Thu 5/14
11:15 am-10:35 pm
2 stops20h 20m
$932
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 5/3
10:54 am-9:05 am
1 stop13h 11m
Madrid Barajas
Tue 5/19
1:00 pm-8:27 pm
1 stop16h 27m
$1,028
Quickest round-trip
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 9/2
10:25 am-9:05 am
1 stop13h 40m
Madrid Barajas
Sun 9/13
1:00 pm-7:55 pm
1 stop15h 55m
$1,117
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 4/7
11:59 pm-9:05 am
1 stop24h 06m
Madrid Barajas
Tue 4/14
9:00 pm-10:36 pm
2 stops34h 36m
$1,166
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 8/16
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Sat 12/19
11:15 am-10:14 pm
1 stop19h 59m
$1,244
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 9/22
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Thu 10/8
9:50 am-6:18 pm
1 stop17h 28m
$1,258
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
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 $334). Flying from Ontario to Madrid in June is currently the most expensive (average of $658). 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 March 28, 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.
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Crew
8.5
Boarding
8.1
Comfort
7.9
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Crew
8.5
Boarding
8.1
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 March 28, 2026.
Ontario and Madrid flights
Browse other Ontario and Madrid flight options. Last updated on March 28, 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 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Ontario to Madrid
Discover the top 3 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$439 | Average$833 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$497 | Average$731 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$916 | FlexibilityNo cancel fee | On-time70% |