$310+ Cheap flights from Ontario (ONT) to Spain
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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Spain 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 SpainExplore the most affordable flight options available from Ontario to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Ontario to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/2912:45 pm
MAD
- ONT
2 stops42h 50m
United Airlines
Deal found 3/5![United Airlines logo]()
$579
This oojo deal was found by Cheapflights users on 3/5. 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
Wed 4/2210:25 am
MAD
- ONT
1 stop19h 42m
British Airways
Deal found 3/5![British Airways logo]()
$590
This Expedia deal was found by Cheapflights users on 3/9. 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.
Tue 10/131:31 pm
ONT
- MAD
2 stops17h 19m
British Airways
Tue 10/203:55 pm
MAD
- ONT
1 stop17h 20m
British Airways
Deal found 3/9![British Airways logo]()
$591
This Gotogate deal was found by Cheapflights users on 3/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:00 pm
ONT
- MAD
2 stops34h 00m
Air Canada
Wed 11/111:35 pm
MAD
- ONT
2 stops31h 45m
Air Canada
Deal found 3/7![Air Canada logo]()
$592
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/2011:29 pm
ONT
- MAD
1 stop21h 01m
American Airlines
Wed 4/293:55 pm
MAD
- ONT
1 stop16h 51m
American Airlines
Deal found 3/5![American Airlines logo]()
$595
This KLM deal was found by Cheapflights users on 3/6. 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
Tue 4/287:05 am
MAD
- ONT
2 stops18h 20m
KLM
Deal found 3/6![KLM logo]()
$596
This Delta deal was found by Cheapflights users on 3/9. 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 4/1411:53 am
ONT
- MAD
2 stops22h 22m
Delta
Fri 4/2412:45 pm
MAD
- ONT
1 stop17h 15m
Delta
Deal found 3/9![Delta logo]()
$599
This Finnair deal was found by Cheapflights users on 3/6. 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 4/216:00 am
ONT
- MAD
1 stop23h 25m
Multiple Airlines
Tue 4/283:55 pm
MAD
- ONT
1 stop27h 14m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$600
This Delta deal was found by Cheapflights users on 3/6. 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 4/226:00 am
ONT
- MAD
2 stops24h 35m
Delta
Tue 4/282:35 pm
MAD
- ONT
2 stops29h 38m
Delta
Deal found 3/6![Delta logo]()
$603
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/217:30 am
ONT
- MAD
2 stops17h 05m
American Airlines
Tue 4/283:55 pm
MAD
- ONT
1 stop27h 14m
American Airlines
Deal found 3/6![American Airlines logo]()
$605
This Air Canada deal was found by Cheapflights users on 3/7. 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.
Mon 10/266:53 pm
ONT
- MAD
3 stops28h 07m
Multiple Airlines
Wed 11/111:35 pm
MAD
- ONT
2 stops31h 45m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/146:05 am
ONT
- MAD
2 stops17h 00m
United Airlines
Fri 4/2411:15 am
MAD
- ONT
3 stops39h 32m
United Airlines
Deal found 3/9![United Airlines logo]()
$616
Best flights from Ontario to SpainDiscover carefully curated flight deals from Ontario to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Ontario to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Finnair deal was found by Cheapflights users on 3/6. 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 4/216:00 am
ONT
- MAD
1 stop23h 25m
Multiple Airlines
Tue 4/283:55 pm
MAD
- ONT
1 stop27h 14m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$600
This oojo deal was found by Cheapflights users on 3/7. 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 4/1412:19 pm
ONT
- VLC
2 stops22h 16m
British Airways
Tue 4/218:30 pm
VLC
- ONT
2 stops52h 52m
British Airways
Deal found 3/7![British Airways logo]()
$730
This United Airlines deal was found by Cheapflights users on 3/9. 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 5/57:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Thu 5/1411:15 am
MAD
- ONT
2 stops20h 20m
United Airlines
Deal found 3/9![United Airlines logo]()
$829
This Trip.com deal was found by Cheapflights users on 3/8. 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.
Mon 4/66:00 am
ONT
- ALC
2 stops29h 40m
KLM
Wed 4/2210:25 am
ALC
- ONT
2 stops21h 12m
KLM
Deal found 3/8![KLM logo]()
$839
This Delta deal was found by Cheapflights users on 3/5. 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 5/27:00 am
ONT
- AGP
2 stops19h 45m
Delta
Sat 5/96:00 am
AGP
- ONT
2 stops21h 36m
Delta
Deal found 3/5![Delta logo]()
$939
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.
Wed 4/82:08 pm
ONT
- ALC
2 stops33h 32m
Iberia
Sat 4/181:40 pm
ALC
- ONT
2 stops19h 06m
Iberia
Deal found 3/10![Iberia logo]()
$940
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Sun 4/1910:55 am
ONT
- LCG
2 stops17h 05m
American Airlines
Thu 4/231:40 pm
LCG
- ONT
2 stops19h 06m
American Airlines
Deal found 3/5![American Airlines logo]()
$1,262
This Finnair deal was found by Cheapflights users on 3/8. 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
- ALC
2 stops22h 55m
Multiple Airlines
Mon 4/272:05 am
ALC
- ONT
2 stops25h 32m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$707
This oojo deal was found by Cheapflights users on 3/8. 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.
Wed 8/128:15 am
ONT
- IBZ
2 stops24h 00m
British Airways
Wed 8/196:45 pm
IBZ
- ONT
2 stops32h 40m
British Airways
Deal found 3/8![British Airways logo]()
$825
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/177:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Mon 4/2711:15 am
MAD
- ONT
2 stops20h 16m
United Airlines
Deal found 3/5![United Airlines logo]()
$869
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:09 pm
ONT
- SVQ
2 stops18h 26m
KLM
Mon 4/208:20 pm
SVQ
- ONT
2 stops29h 55m
KLM
Deal found 3/10![KLM logo]()
$874
This oojo deal was found by Cheapflights users on 3/8. 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 4/267:30 am
ONT
- IBZ
2 stops23h 55m
British Airways
Sun 5/36:15 pm
IBZ
- ONT
2 stops36h 44m
British Airways
Deal found 3/8![British Airways logo]()
$826
This Finnair deal was found by Cheapflights users on 3/7. 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 4/147:30 am
ONT
- AGP
2 stops24h 20m
Multiple Airlines
Wed 5/65:35 pm
AGP
- ONT
2 stops38h 01m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$829
This Delta deal was found by Cheapflights users on 3/8. 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 7/2912:00 pm
ONT
- BCN
1 stop15h 50m
Delta
Fri 8/2811:30 am
BCN
- ONT
1 stop19h 26m
Delta
Deal found 3/8![Delta logo]()
$943
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 5/310:37 am
ONT
- BIO
2 stops22h 18m
United Airlines
Tue 5/122:05 pm
BIO
- ONT
2 stops17h 54m
United Airlines
Deal found 3/10![United Airlines logo]()
$879
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.
Tue 4/712:19 pm
ONT
- VLC
2 stops22h 16m
British Airways
Tue 4/218:30 pm
VLC
- ONT
2 stops52h 52m
British Airways
Deal found 3/10![British Airways logo]()
$834
This Iberia deal was found by Cheapflights users on 3/7. 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 5/42:08 pm
ONT
- BIO
2 stops17h 47m
Iberia
Thu 5/141:30 pm
BIO
- ONT
2 stops19h 16m
Iberia
Deal found 3/7![Iberia logo]()
$1,031
This Delta deal was found by Cheapflights users on 3/9. 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 3/3011:59 am
ONT
- AGP
2 stops19h 36m
Delta
Wed 4/86:00 am
AGP
- ONT
2 stops26h 51m
Delta
Deal found 3/9![Delta logo]()
$967
This KLM deal was found by Cheapflights users on 3/7. 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.
Mon 4/2712:49 pm
ONT
- PMI
2 stops18h 06m
KLM
Wed 5/1310:15 am
PMI
- ONT
2 stops21h 19m
KLM
Deal found 3/7![KLM logo]()
$969
This United Airlines deal was found by Cheapflights users on 3/5. 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 7/226:30 am
ONT
- PMI
2 stops17h 00m
United Airlines
Tue 7/2810:00 am
PMI
- ONT
2 stops21h 46m
United Airlines
Deal found 3/5![United Airlines logo]()
$883
This BusinessClass deal was found by Cheapflights users on 3/5. 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.
Tue 5/54:52 pm
ONT
- PMI
2 stops42h 18m
British Airways
Tue 5/126:30 am
PMI
- ONT
2 stops22h 57m
British Airways
Deal found 3/5![British Airways logo]()
$835
This Finnair deal was found by Cheapflights users on 3/7. 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.
Mon 4/611:58 pm
ONT
- ALC
2 stops30h 27m
Multiple Airlines
Wed 4/224:10 pm
ALC
- ONT
2 stops40h 36m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$920
This Delta deal was found by Cheapflights users on 3/7. 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.
Thu 7/2312:00 pm
ONT
- AGP
2 stops19h 20m
Delta
Wed 8/126:00 am
AGP
- ONT
2 stops20h 16m
Delta
Deal found 3/7![Delta logo]()
$969
This Iberia deal was found by Cheapflights users on 3/7. 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.
Fri 4/37:00 am
ONT
- SVQ
2 stops29h 05m
Iberia
Fri 4/171:25 pm
SVQ
- ONT
2 stops19h 21m
Iberia
Deal found 3/7![Iberia logo]()
$1,068
This United Airlines deal was found by Cheapflights users on 3/9. 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 5/47:00 am
ONT
- BIO
2 stops19h 10m
United Airlines
Wed 5/136:50 am
BIO
- ONT
2 stops22h 46m
United Airlines
Deal found 3/9![United Airlines logo]()
$888
This Trip.com deal was found by Cheapflights users on 3/7. 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.
Mon 4/2712:49 pm
ONT
- PMI
2 stops18h 06m
KLM
Tue 5/1210:20 pm
PMI
- ONT
2 stops27h 50m
KLM
Deal found 3/7![KLM logo]()
$1,013
This British Airways deal was found by Cheapflights users on 3/6. 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 4/510:56 am
ONT
- IBZ
2 stops20h 29m
British Airways
Sun 4/126:15 pm
IBZ
- ONT
2 stops38h 31m
British Airways
Deal found 3/6![British Airways logo]()
$847
This American Airlines deal was found by Cheapflights users on 3/5. 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.
Sun 4/1210:55 am
ONT
- LCG
2 stops17h 05m
American Airlines
Thu 4/161:40 pm
LCG
- ONT
2 stops19h 06m
American Airlines
Deal found 3/5![American Airlines logo]()
$1,262
This Delta deal was found by Cheapflights users on 3/5. 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.
Thu 4/302:20 pm
ONT
- AGP
2 stops19h 20m
Delta
Sat 5/96:00 am
AGP
- ONT
2 stops25h 45m
Delta
Deal found 3/5![Delta logo]()
$972
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/206:05 am
ONT
- BIO
2 stops26h 50m
United Airlines
Mon 4/272:10 pm
BIO
- ONT
2 stops41h 21m
United Airlines
Deal found 3/6![United Airlines logo]()
$911
Last-minute flights from Ontario to SpainDiscover last-minute flight deals from Ontario to Spain. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Spain. Data last updated March 10, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/5. 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
Wed 4/2210:25 am
MAD
- ONT
1 stop19h 42m
British Airways
Deal found 3/5![British Airways logo]()
$590
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/2012:45 pm
MAD
- ONT
2 stops42h 46m
United Airlines
Deal found 3/5![United Airlines logo]()
$629
This Delta deal was found by Cheapflights users on 3/9. 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 4/1411:53 am
ONT
- MAD
2 stops22h 22m
Delta
Fri 4/2412:45 pm
MAD
- ONT
1 stop17h 15m
Delta
Deal found 3/9![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/146:05 am
ONT
- MAD
2 stops17h 00m
United Airlines
Fri 4/2411:15 am
MAD
- ONT
3 stops39h 32m
United Airlines
Deal found 3/9![United Airlines logo]()
$616
This oojo deal was found by Cheapflights users on 3/6. 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 4/1411:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Fri 4/2410:25 am
MAD
- ONT
1 stop19h 42m
British Airways
Deal found 3/6![British Airways logo]()
$623
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/2912:45 pm
MAD
- ONT
2 stops42h 50m
United Airlines
Deal found 3/5![United Airlines logo]()
$579
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/2011:29 pm
ONT
- MAD
1 stop21h 01m
American Airlines
Wed 4/293:55 pm
MAD
- ONT
1 stop16h 51m
American Airlines
Deal found 3/5![American Airlines logo]()
$595
This Finnair deal was found by Cheapflights users on 3/6. 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 4/216:00 am
ONT
- MAD
1 stop23h 25m
Multiple Airlines
Tue 4/283:55 pm
MAD
- ONT
1 stop27h 14m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$600
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/217:30 am
ONT
- MAD
2 stops17h 05m
American Airlines
Tue 4/283:55 pm
MAD
- ONT
1 stop27h 14m
American Airlines
Deal found 3/6![American Airlines logo]()
$605
This KLM deal was found by Cheapflights users on 3/6. 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
Tue 4/287:05 am
MAD
- ONT
2 stops18h 20m
KLM
Deal found 3/6![KLM logo]()
$596
This Delta deal was found by Cheapflights users on 3/6. 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 4/226:00 am
ONT
- MAD
2 stops24h 35m
Delta
Tue 4/282:35 pm
MAD
- ONT
2 stops29h 38m
Delta
Deal found 3/6![Delta logo]()
$603
This Finnair deal was found by Cheapflights users on 3/8. 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 4/227:30 am
ONT
- MAD
1 stop21h 55m
Multiple Airlines
Wed 4/293:55 pm
MAD
- ONT
1 stop16h 51m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$628
One-way flights from Ontario to SpainSearch for one-way flight options from Ontario to Spain. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Ontario to Spain. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Mon 4/205:33 pm
ONT
- ALC
3 stops55h 12m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$310
This oojo deal was found by Cheapflights users on 3/6. 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.
Fri 7/3112:46 pm
ONT
- AGP
2 stops36h 19m
British Airways
Deal found 3/6![British Airways logo]()
$329
This Trip.com deal was found by Cheapflights users on 3/5. 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.
Thu 4/309:10 am
ONT
- BCN
1 stop22h 15m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 3/9. 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 8/15:45 am
ONT
- BIO
2 stops20h 00m
United Airlines
Deal found 3/9![United Airlines logo]()
$365
This oojo deal was found by Cheapflights users on 3/9. 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 7/261:10 pm
ONT
- IBZ
2 stops18h 15m
British Airways
Deal found 3/9![British Airways logo]()
$383
This American Airlines deal was found by Cheapflights users on 3/9. 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 7/271:10 pm
ONT
- IBZ
2 stops18h 40m
American Airlines
Deal found 3/9![American Airlines logo]()
$387
This Trip.com deal was found by Cheapflights users on 3/7. 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.
Wed 4/2210:39 am
ONT
- ALC
2 stops27h 16m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 3/9. 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 7/225:45 am
ONT
- AGP
2 stops16h 50m
United Airlines
Deal found 3/9![United Airlines logo]()
$394
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.
Mon 7/274:08 pm
ONT
- BCN
3 stops31h 47m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 9/210:10 am
ONT
- BCN
2 stops30h 10m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$420
This oojo deal was found by Cheapflights users on 3/8. 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.
Wed 7/11:10 pm
ONT
- VLC
2 stops22h 25m
British Airways
Deal found 3/8![British Airways logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sun 7/2610:10 am
ONT
- MAD
3 stops51h 05m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$431
Find flight deals from Ontario to Spain
Keep the following information in mind while searching for Ontario to Spain flight deals. Data was last updated March 10, 2026.
Round-trip from | $579 (United Airlines) |
|---|---|
One-way from | $310 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $965 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Ontario to Spain that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 4/21
6:00 am-2:25 pm
1 stop23h 25m
Madrid Barajas
Tue 4/28
3:55 pm-10:09 am
1 stop27h 14m
$600
OntarioAlicante
ONT - ALC
ONTALC
Ontario
Tue 4/21
7:30 am-3:25 pm
2 stops22h 55m
Alicante
Mon 4/27
2:05 am-6:37 pm
2 stops25h 32m
$707
OntarioValencia
ONT - VLC
ONTVLC
Ontario
Tue 4/14
12:19 pm-7:35 pm
2 stops22h 16m
Valencia
Tue 4/21
8:30 pm-4:22 pm
2 stops52h 52m
$730
OntarioIbiza
ONT - IBZ
ONTIBZ
Ontario
Wed 8/12
8:15 am-5:15 pm
2 stops24h 00m
Ibiza
Wed 8/19
6:45 pm-6:25 pm
2 stops32h 40m
$825
OntarioIbiza
ONT - IBZ
ONTIBZ
Ontario
Sun 4/26
7:30 am-4:25 pm
2 stops23h 55m
Ibiza
Sun 5/3
6:15 pm-9:59 pm
2 stops36h 44m
$826
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 5/5
7:00 am-8:05 am
2 stops16h 05m
Madrid Barajas
Thu 5/14
11:15 am-10:35 pm
2 stops20h 20m
$829
OntarioMálaga
ONT - AGP
ONTAGP
Ontario
Tue 4/14
7:30 am-4:50 pm
2 stops24h 20m
Malaga
Wed 5/6
5:35 pm-10:36 pm
2 stops38h 01m
$829
OntarioValencia
ONT - VLC
ONTVLC
Ontario
Tue 4/7
12:19 pm-7:35 pm
2 stops22h 16m
Valencia
Tue 4/21
8:30 pm-4:22 pm
2 stops52h 52m
$834
OntarioPalma de Mallorca
ONT - PMI
ONTPMI
Ontario
Tue 5/5
4:52 pm-8:10 pm
2 stops42h 18m
Palma de Mallorca Son Sant Joan
Tue 5/12
6:30 am-8:27 pm
2 stops22h 57m
$835
OntarioAlicante
ONT - ALC
ONTALC
Ontario
Mon 4/6
6:00 am-8:40 pm
2 stops29h 40m
Alicante
Wed 4/22
10:25 am-10:37 pm
2 stops21h 12m
$839
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Spain
Have a flexible travel schedule? Discover the best time to fly to Spain from Ontario with our price prediction graph.
ONT-ALC
ONT-BIO
ONT-IBZ
ONT-MAD
ONT-VLC
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 Spain
ONT-ES0
ONT-ALC
ONT-BIO
ONT-IBZ
ONT-MAD
What is the cheapest month to book a flight from Ontario to Spain?
Currently, February is the cheapest month in which you can book a flight from Ontario to Spain (average of $334). Flying from Ontario to Spain in June is currently the most expensive (average of $607). 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.
Reviews of airlines servicing Spain
Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from Ontario to Spain, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.9
Crew
8.5
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
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 Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Spain
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Spain by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Spain by cabin class
Find flights from Ontario to Spain, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Spain flights
Browse other Ontario and Spain flight options. Last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Spain flights
Consider these flights traveling from Ontario to Spain.
Fly to Spain regions
Consider these flights traveling to Spain regions.
Top 5 airlines flying from Ontario to Spain
Discover the top 5 airlines that operate flights from Ontario to Spain. 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 10, 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$862 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$960 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$682 | Average$1,102 | FlexibilityNo cancel fee | On-time69% |