$337+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Aug 23 — Aug 301
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
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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 July 24, 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 July 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Fri 9/253:15 pm
BCN
- ONT
1 stop16h 34m
United Airlines
Deal found 7/22![United Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:46 am
ONT
- BCN
1 stop21h 29m
United Airlines
Fri 11/209:55 am
BCN
- ONT
2 stops19h 11m
United Airlines
Deal found 7/22![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:10 am
ONT
- BCN
1 stop18h 10m
United Airlines
Thu 10/2910:30 am
BCN
- ONT
2 stops18h 26m
United Airlines
Deal found 7/21![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 11/245:00 am
ONT
- BCN
2 stops19h 35m
United Airlines
Tue 12/89:55 am
BCN
- ONT
2 stops22h 11m
United Airlines
Deal found 7/23![United Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:56 pm
ONT
- BCN
2 stops33h 04m
United Airlines
Fri 9/2512:15 pm
BCN
- ONT
2 stops43h 34m
United Airlines
Deal found 7/21![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/301:24 pm
ONT
- BCN
2 stops21h 21m
United Airlines
Wed 10/73:15 pm
BCN
- ONT
1 stop16h 34m
United Airlines
Deal found 7/23![United Airlines logo]()
$729
This lastminute.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:25 am
ONT
- MAD
2 stops17h 50m
Iberia
Tue 10/67:30 am
MAD
- ONT
2 stops24h 10m
Iberia
Deal found 7/21![Iberia logo]()
$738
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:49 pm
ONT
- BCN
1 stop15h 31m
United Airlines
Wed 8/263:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$741
This KLM deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am
ONT
- BIO
2 stops24h 00m
KLM
Tue 11/178:30 am
BIO
- ONT
2 stops22h 44m
KLM
Deal found 7/22![KLM logo]()
$743
This lastminute.com deal was found by Cheapflights users on 7/24. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:25 am
ONT
- MAD
1 stop13h 40m
Iberia
Tue 10/67:30 am
MAD
- ONT
2 stops24h 10m
Iberia
Deal found 7/24![Iberia logo]()
$743
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:00 am
ONT
- BCN
2 stops39h 35m
United Airlines
Mon 11/161:35 pm
BCN
- ONT
2 stops37h 54m
United Airlines
Deal found 7/23![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 9/89:01 am
ONT
- BCN
2 stops19h 14m
United Airlines
Tue 9/153:15 pm
BCN
- ONT
1 stop16h 44m
United Airlines
Deal found 7/23![United Airlines logo]()
$745
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 July 24, 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 July 24, 2026.
This KLM deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:00 pm
ONT
- BIO
2 stops19h 30m
KLM
Tue 11/178:30 am
BIO
- ONT
2 stops22h 44m
KLM
Deal found 7/22![KLM logo]()
$767
This British Airways deal was found by Cheapflights users on 7/23. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Wed 10/213:55 pm
MAD
- ONT
1 stop16h 57m
British Airways
Deal found 7/23![British Airways logo]()
$784
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:46 am
ONT
- BIO
2 stops21h 04m
United Airlines
Fri 11/206:45 am
BIO
- ONT
2 stops38h 16m
United Airlines
Deal found 7/22![United Airlines logo]()
$791
This Delta deal was found by Cheapflights users on 7/20. 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 10/307:05 am
ONT
- MAD
1 stop18h 50m
Delta
Thu 11/1911:55 am
MAD
- ONT
1 stop19h 19m
Delta
Deal found 7/20![Delta logo]()
$813
This Finnair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1511:59 pm
ONT
- IBZ
2 stops23h 26m
Multiple Airlines
Wed 1/201:35 pm
IBZ
- ONT
2 stops33h 43m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$833
This Turkish Airlines deal was found by Cheapflights users on 7/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:10 pm
ONT
- BCN
2 stops28h 35m
Turkish Airlines
Sun 9/202:35 pm
BCN
- ONT
2 stops62h 38m
Turkish Airlines
Deal found 7/23![Turkish Airlines logo]()
$1,056
This Iberia deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:16 am
ONT
- LCG
2 stops28h 44m
Iberia
Tue 1/196:30 am
LCG
- ONT
2 stops25h 19m
Iberia
Deal found 7/21![Iberia logo]()
$1,135
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:00 am
ONT
- BIO
2 stops23h 00m
United Airlines
Thu 11/126:45 am
BIO
- ONT
2 stops25h 08m
United Airlines
Deal found 7/22![United Airlines logo]()
$796
This KLM deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am
ONT
- MAD
1 stop17h 55m
KLM
Tue 11/1711:55 am
MAD
- ONT
1 stop19h 19m
KLM
Deal found 7/22![KLM logo]()
$818
This Finnair deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am
ONT
- MAD
1 stop23h 25m
Multiple Airlines
Sun 10/1812:30 pm
MAD
- ONT
2 stops20h 22m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$839
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:07 am
ONT
- MAD
2 stops16h 58m
United Airlines
Sun 10/1812:45 pm
MAD
- ONT
2 stops41h 13m
United Airlines
Deal found 7/24![United Airlines logo]()
$803
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:56 am
ONT
- VLC
2 stops19h 39m
Delta
Wed 8/266:30 am
VLC
- ONT
2 stops25h 15m
Delta
Deal found 7/22![Delta logo]()
$915
This Air France deal was found by Cheapflights users on 7/24. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:43 am
ONT
- AGP
2 stops23h 57m
Multiple Airlines
Mon 9/1411:40 pm
AGP
- ONT
2 stops29h 25m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$852
This KLM deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:00 pm
ONT
- SVQ
2 stops37h 25m
KLM
Thu 11/1910:50 am
SVQ
- ONT
2 stops38h 22m
KLM
Deal found 7/22![KLM logo]()
$867
This British Airways deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Tue 10/2711:05 am
MAD
- ONT
1 stop15h 39m
British Airways
Deal found 7/24![British Airways logo]()
$977
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:46 am
ONT
- BIO
2 stops21h 04m
United Airlines
Sun 11/156:45 am
BIO
- ONT
2 stops22h 21m
United Airlines
Deal found 7/22![United Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am
ONT
- SVQ
2 stops24h 45m
Delta
Mon 11/164:40 pm
SVQ
- ONT
2 stops32h 32m
Delta
Deal found 7/22![Delta logo]()
$933
This KLM deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am
ONT
- SVQ
2 stops27h 25m
KLM
Tue 11/178:35 pm
SVQ
- ONT
2 stops28h 37m
KLM
Deal found 7/22![KLM logo]()
$867
This Finnair deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:20 am
ONT
- AGP
2 stops29h 20m
Multiple Airlines
Wed 9/301:00 am
AGP
- ONT
2 stops26h 53m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$911
This British Airways deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1810:58 am
ONT
- AGP
2 stops39h 32m
British Airways
Fri 1/229:10 am
AGP
- ONT
2 stops22h 39m
British Airways
Deal found 7/22![British Airways logo]()
$1,003
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Thu 11/196:46 am
ONT
- VLC
2 stops20h 24m
United Airlines
Fri 11/276:10 am
VLC
- ONT
2 stops22h 56m
United Airlines
Deal found 7/19![United Airlines logo]()
$842
This Delta deal was found by Cheapflights users on 7/20. 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 10/269:45 am
ONT
- AGP
2 stops23h 35m
Delta
Sun 11/16:05 am
AGP
- ONT
2 stops25h 38m
Delta
Deal found 7/20![Delta logo]()
$944
This Turkish Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:50 pm
ONT
- BCN
2 stops32h 50m
Turkish Airlines
Wed 9/167:05 pm
BCN
- ONT
2 stops34h 08m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$1,156
This Priceline deal was found by Cheapflights users on 7/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am
ONT
- VLC
2 stops18h 05m
Iberia
Wed 12/95:45 pm
VLC
- ONT
2 stops25h 09m
Iberia
Deal found 7/23![Iberia logo]()
$1,159
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am
ONT
- AGP
2 stops17h 35m
United Airlines
Thu 9/109:35 am
AGP
- ONT
2 stops21h 24m
United Airlines
Deal found 7/21![United Airlines logo]()
$843
This Trip.com deal was found by Cheapflights users on 7/19. 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 8/1712:00 pm
ONT
- PMI
2 stops18h 55m
KLM
Wed 9/210:30 pm
PMI
- ONT
2 stops27h 51m
KLM
Deal found 7/19![KLM logo]()
$937
This lol.travel deal was found by Cheapflights users on 7/20. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:22 pm
ONT
- LCG
2 stops17h 43m
Iberia
Tue 10/205:45 pm
LCG
- ONT
2 stops39h 07m
Iberia
Deal found 7/20![Iberia logo]()
$1,166
This British Airways deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Sat 10/241:55 am
MAD
- ONT
1 stop16h 40m
British Airways
Deal found 7/24![British Airways logo]()
$1,080
This Turkish Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:13 pm
ONT
- BCN
2 stops26h 32m
Turkish Airlines
Wed 9/167:05 pm
BCN
- ONT
2 stops34h 08m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:00 am
ONT
- BIO
2 stops23h 00m
United Airlines
Sat 11/146:45 am
BIO
- ONT
2 stops25h 08m
United Airlines
Deal found 7/22![United Airlines logo]()
$846
Last-minute flights from Ontario to SpainDiscover last-minute flight deals from Ontario to Spain. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Spain. Data last updated July 24, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Wed 8/123:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Fri 8/711:15 am
BCN
- ONT
2 stops20h 36m
United Airlines
Deal found 7/22![United Airlines logo]()
$810
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:39 pm
ONT
- BCN
2 stops18h 46m
United Airlines
Thu 8/1311:15 am
BCN
- ONT
2 stops18h 38m
United Airlines
Deal found 7/21![United Airlines logo]()
$818
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:00 am
ONT
- BCN
2 stops42h 20m
United Airlines
Wed 8/123:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/21![United Airlines logo]()
$816
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Fri 9/253:15 pm
BCN
- ONT
1 stop16h 34m
United Airlines
Deal found 7/22![United Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:49 pm
ONT
- BCN
1 stop15h 31m
United Airlines
Wed 8/263:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$741
This Kissandfly.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:50 pm
ONT
- BCN
1 stop15h 30m
Lufthansa
Fri 8/214:10 pm
BCN
- ONT
1 stop15h 49m
Lufthansa
Deal found 7/22![Lufthansa logo]()
$779
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Fri 8/213:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$791
This Orbitz deal was found by Cheapflights users on 7/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:29 am
ONT
- MAD
1 stop13h 36m
British Airways
Tue 11/1711:05 am
MAD
- ONT
1 stop16h 42m
British Airways
Deal found 7/20![British Airways logo]()
$833
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 am
ONT
- BCN
1 stop21h 15m
United Airlines
Fri 8/2812:15 pm
BCN
- ONT
2 stops40h 46m
United Airlines
Deal found 7/22![United Airlines logo]()
$801
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:50 am
ONT
- BCN
1 stop20h 30m
United Airlines
Sun 9/66:40 am
BCN
- ONT
2 stops22h 21m
United Airlines
Deal found 7/22![United Airlines logo]()
$794
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am
ONT
- AGP
2 stops17h 35m
United Airlines
Thu 9/109:35 am
AGP
- ONT
2 stops21h 24m
United Airlines
Deal found 7/21![United Airlines logo]()
$843
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 July 24, 2026.
Search for one-way flight options from Ontario to Spain. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This oojo deal was found by Cheapflights users on 7/19. 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 11/41:23 pm
ONT
- MAD
2 stops20h 07m
British Airways
Deal found 7/19![British Airways logo]()
$337
This oojo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:04 pm
ONT
- MAD
2 stops17h 46m
British Airways
Deal found 7/22![British Airways logo]()
$339
This Cheapflightsfares deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 7/21![British Airways logo]()
$343
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 9/2310:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 7/20![British Airways logo]()
$344
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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.
Sun 10/2510:25 am
ONT
- MAD
1 stop13h 20m
British Airways
Deal found 7/20![British Airways logo]()
$345
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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 9/308:25 am
ONT
- MAD
1 stop15h 40m
British Airways
Deal found 7/19![British Airways logo]()
$346
This oojo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:29 pm
ONT
- MAD
2 stops38h 21m
British Airways
Deal found 7/22![British Airways logo]()
$350
This oojo deal was found by Cheapflights users on 7/19. 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 10/134:29 pm
ONT
- MAD
2 stops32h 11m
British Airways
Deal found 7/19![British Airways logo]()
$353
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:00 am
ONT
- MAD
2 stops18h 05m
United Airlines
Deal found 7/21![United Airlines logo]()
$355
This CheapOair deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:00 am
ONT
- MAD
2 stops18h 00m
Air Canada
Deal found 7/22![Air Canada logo]()
$359
This FlightHub deal was found by Cheapflights users on 7/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am
ONT
- AGP
2 stops26h 50m
British Airways
Deal found 7/20![British Airways logo]()
$363
This Iberia deal was found by Cheapflights users on 7/20. 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 9/2210:25 am
ONT
- BCN
1 stop14h 45m
Iberia
Deal found 7/20![Iberia logo]()
$406
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 July 24, 2026.
Round-trip from | $714 (United Airlines) |
|---|---|
One-way from | $337 (oojo) |
Popular in | June |
Cheapest in | February |
Average price | $1,069 |
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 July 24, 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
OntarioBilbao
ONT - BIO
ONTBIO
Ontario
Wed 11/11
12:00 pm-4:30 pm
2 stops19h 30m
Bilbao
Tue 11/17
8:30 am-10:14 pm
2 stops22h 44m
$767
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 10/11
10:25 am-9:05 am
1 stop13h 40m
Madrid Barajas
Wed 10/21
3:55 pm-11:52 pm
1 stop16h 57m
$784
OntarioBilbao
ONT - BIO
ONTBIO
Ontario
Tue 11/10
6:46 am-12:50 pm
2 stops21h 04m
Bilbao
Fri 11/20
6:45 am-12:01 pm
2 stops38h 16m
$791
OntarioBilbao
ONT - BIO
ONTBIO
Ontario
Mon 11/2
9:00 am-5:00 pm
2 stops23h 00m
Bilbao
Thu 11/12
6:45 am-10:53 pm
2 stops25h 08m
$796
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 10/4
6:07 am-8:05 am
2 stops16h 58m
Madrid Barajas
Sun 10/18
12:45 pm-8:58 pm
2 stops41h 13m
$803
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Fri 10/30
7:05 am-9:55 am
1 stop18h 50m
Madrid Barajas
Thu 11/19
11:55 am-10:14 pm
1 stop19h 19m
$813
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Fri 11/13
7:00 am-9:55 am
1 stop17h 55m
Madrid Barajas
Tue 11/17
11:55 am-10:14 pm
1 stop19h 19m
$818
OntarioIbiza
ONT - IBZ
ONTIBZ
Ontario
Fri 1/15
11:59 pm-8:25 am
2 stops23h 26m
Ibiza
Wed 1/20
1:35 pm-2:18 pm
2 stops33h 43m
$833
OntarioBilbao
ONT - BIO
ONTBIO
Ontario
Tue 11/3
6:46 am-12:50 pm
2 stops21h 04m
Bilbao
Sun 11/15
6:45 am-8:06 pm
2 stops22h 21m
$835
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 10/4
6:00 am-2:25 pm
1 stop23h 25m
Madrid Barajas
Sun 10/18
12:30 pm-11:52 pm
2 stops20h 22m
$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-BCN
ONT-MAD
ONT-AGP
ONT-BIO
ONT-SVQ
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-BCN
ONT-MAD
ONT-AGP
ONT-BIO
What is the cheapest month to book a flight from Ontario to Spain?
Currently, January is the cheapest month in which you can book a flight from Ontario to Spain (average of $604). Flying from Ontario to Spain in July is currently the most expensive (average of $1,848). 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 July 24, 2026.
Read through reviews of airlines operating flights from Ontario to Spain, such as United Airlines,American Airlines, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Comfort
7.3
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Comfort
7.3
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Comfort
7.3
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Comfort
7.3
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Comfort
7.3
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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 July 24, 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 3 airlines flying from Ontario to Spain
Discover the top 3 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 July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$504 | Average$762 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$522 | Average$687 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$714 | Average$1,111 | FlexibilityNo cancel fee | On-time69% |