$334+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Aug 17 — Aug 241
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 18, 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 18, 2026.
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/191:18 pm
ONT
- BCN
2 stops34h 42m
United Airlines
Tue 9/293:15 pm
BCN
- ONT
1 stop16h 34m
United Airlines
Deal found 7/14![United Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:10 am
ONT
- BCN
1 stop18h 10m
United Airlines
Wed 10/289:55 am
BCN
- ONT
2 stops20h 58m
United Airlines
Deal found 7/15![United Airlines logo]()
$709
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 am
ONT
- BCN
2 stops18h 00m
United Airlines
Wed 10/289:55 am
BCN
- ONT
2 stops20h 58m
United Airlines
Deal found 7/15![United Airlines logo]()
$712
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/2211:54 am
ONT
- BCN
1 stop14h 16m
Delta
Thu 10/111:00 am
BCN
- ONT
1 stop20h 26m
Delta
Deal found 7/16![Delta logo]()
$715
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/1912:17 pm
ONT
- BCN
2 stops35h 18m
Delta
Wed 9/301:20 pm
BCN
- ONT
1 stop18h 20m
Delta
Deal found 7/16![Delta logo]()
$719
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:00 pm
ONT
- BCN
2 stops26h 00m
Delta
Fri 10/29:20 am
BCN
- ONT
2 stops22h 06m
Delta
Deal found 7/16![Delta logo]()
$723
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/1912:17 pm
ONT
- BCN
2 stops35h 18m
Delta
Thu 10/16:20 am
BCN
- ONT
2 stops19h 15m
Delta
Deal found 7/16![Delta logo]()
$724
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/1810:00 pm
ONT
- BCN
2 stops49h 35m
Delta
Thu 10/111:00 am
BCN
- ONT
1 stop20h 26m
Delta
Deal found 7/16![Delta logo]()
$730
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/1810:00 pm
ONT
- BCN
2 stops49h 35m
Delta
Wed 9/3011:10 am
BCN
- ONT
2 stops38h 25m
Delta
Deal found 7/16![Delta logo]()
$735
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:10 am
ONT
- BCN
1 stop22h 05m
United Airlines
Wed 8/193:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/14![United Airlines logo]()
$736
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:07 am
ONT
- BCN
2 stops40h 53m
United Airlines
Wed 10/2112:15 pm
BCN
- ONT
2 stops41h 43m
United Airlines
Deal found 7/15![United Airlines logo]()
$739
This FlightHub deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:52 pm
ONT
- BCN
2 stops57h 08m
Air Canada
Wed 10/2112:15 pm
BCN
- ONT
2 stops41h 43m
Air Canada
Deal found 7/15![Air Canada 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 18, 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 18, 2026.
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:00 am
ONT
- BCN
2 stops19h 35m
United Airlines
Tue 11/109:55 am
BCN
- ONT
2 stops19h 11m
United Airlines
Deal found 7/15![United Airlines logo]()
$762
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 11/307:00 am
ONT
- MAD
1 stop17h 55m
Delta
Tue 12/1511:55 am
MAD
- ONT
1 stop19h 19m
Delta
Deal found 7/17![Delta logo]()
$763
This British Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Thu 10/223:55 pm
MAD
- ONT
1 stop16h 57m
British Airways
Deal found 7/13![British Airways logo]()
$779
This Iberia deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 11/36:10 am
ONT
- IBZ
2 stops17h 15m
Iberia
Mon 11/99:35 pm
IBZ
- ONT
2 stops21h 22m
Iberia
Deal found 7/16![Iberia logo]()
$865
This KLM deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/1312:17 pm
ONT
- AGP
2 stops22h 13m
Multiple Airlines
Sun 10/45:55 am
AGP
- ONT
2 stops25h 31m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$909
This KLM deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:20 am
ONT
- BCN
1 stop19h 50m
KLM
Wed 10/211:20 pm
BCN
- ONT
1 stop18h 23m
KLM
Deal found 7/12![KLM logo]()
$1,041
This Turkish Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:10 pm
ONT
- BCN
2 stops31h 20m
Turkish Airlines
Tue 9/297:40 am
BCN
- ONT
2 stops45h 33m
Turkish Airlines
Deal found 7/15![Turkish Airlines logo]()
$1,071
This American Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:11 pm
ONT
- IBZ
2 stops18h 39m
American Airlines
Tue 8/119:05 am
IBZ
- ONT
2 stops22h 54m
American Airlines
Deal found 7/13![American Airlines logo]()
$1,089
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:46 am
ONT
- BIO
2 stops21h 04m
United Airlines
Thu 11/126:45 am
BIO
- ONT
2 stops22h 21m
United Airlines
Deal found 7/12![United Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:56 pm
ONT
- BCN
1 stop15h 24m
United Airlines
Thu 8/204:10 pm
BCN
- ONT
1 stop15h 49m
United Airlines
Deal found 7/15![United Airlines logo]()
$786
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 11/1312:00 pm
ONT
- SVQ
2 stops18h 45m
Delta
Mon 11/164:40 pm
SVQ
- ONT
2 stops32h 32m
Delta
Deal found 7/17![Delta logo]()
$928
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:13 pm
ONT
- VLC
2 stops49h 07m
United Airlines
Thu 11/261:00 pm
VLC
- ONT
2 stops40h 06m
United Airlines
Deal found 7/15![United Airlines logo]()
$802
This British Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:25 am
ONT
- MAD
2 stops20h 25m
British Airways
Fri 10/233:55 pm
MAD
- ONT
1 stop16h 57m
British Airways
Deal found 7/13![British Airways logo]()
$980
This Turkish Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:10 pm
ONT
- BCN
2 stops41h 05m
Multiple Airlines
Tue 10/137:40 am
BCN
- ONT
2 stops25h 05m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,036
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/3111:56 am
ONT
- AGP
2 stops21h 44m
Delta
Mon 9/76:00 am
AGP
- ONT
2 stops26h 34m
Delta
Deal found 7/16![Delta logo]()
$964
This Trip.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:00 pm
ONT
- LCG
2 stops19h 20m
KLM
Fri 8/215:10 pm
LCG
- ONT
2 stops34h 20m
KLM
Deal found 7/14![KLM logo]()
$1,075
This British Airways deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:33 pm
ONT
- MAD
2 stops18h 17m
British Airways
Thu 8/2712:40 pm
MAD
- ONT
1 stop19h 19m
British Airways
Deal found 7/13![British Airways logo]()
$980
This Turkish Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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.
Fri 9/189:10 pm
ONT
- AGP
2 stops28h 40m
Turkish Airlines
Thu 9/2411:50 am
AGP
- ONT
2 stops41h 23m
Turkish Airlines
Deal found 7/17![Turkish Airlines logo]()
$1,078
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/227:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Mon 10/512:45 pm
MAD
- ONT
2 stops17h 13m
United Airlines
Deal found 7/16![United Airlines logo]()
$821
This Expedia deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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.
Mon 8/3110:29 am
ONT
- LPA
2 stops27h 51m
Iberia
Mon 9/74:40 pm
LPA
- ONT
2 stops38h 19m
Iberia
Deal found 7/16![Iberia logo]()
$1,167
This Condor deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/42:10 pm
ONT
- PMI
2 stops19h 10m
Multiple Airlines
Thu 8/137:45 am
PMI
- ONT
2 stops20h 40m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$1,065
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:00 pm
ONT
- MAD
1 stop15h 15m
Delta
Thu 8/279:50 am
MAD
- ONT
1 stop21h 02m
Delta
Deal found 7/13![Delta logo]()
$983
This Turkish Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:50 pm
ONT
- AGP
2 stops56h 05m
Turkish Airlines
Fri 9/2511:50 am
AGP
- ONT
2 stops41h 23m
Turkish Airlines
Deal found 7/13![Turkish Airlines logo]()
$1,097
This British Airways deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/812:46 pm
ONT
- AGP
2 stops38h 04m
British Airways
Thu 11/123:20 pm
AGP
- ONT
2 stops41h 37m
British Airways
Deal found 7/15![British Airways logo]()
$1,004
This Iberia deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:22 pm
ONT
- LCG
2 stops24h 18m
Iberia
Tue 10/201:40 pm
LCG
- ONT
2 stops43h 12m
Iberia
Deal found 7/13![Iberia logo]()
$1,171
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:52 am
ONT
- SVQ
2 stops28h 33m
Delta
Sun 10/45:15 pm
SVQ
- ONT
2 stops32h 20m
Delta
Deal found 7/15![Delta logo]()
$988
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 9/97:00 am
ONT
- MAD
2 stops16h 05m
United Airlines
Tue 9/228:25 am
MAD
- ONT
2 stops20h 36m
United Airlines
Deal found 7/17![United Airlines logo]()
$910
This KLM deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:00 am
ONT
- BCN
1 stop16h 40m
KLM
Tue 12/291:15 pm
BCN
- ONT
1 stop17h 59m
KLM
Deal found 7/13![KLM logo]()
$1,218
This British Airways deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 11/1511:59 pm
ONT
- PMI
2 stops28h 56m
British Airways
Thu 11/196:30 pm
PMI
- ONT
2 stops38h 27m
British Airways
Deal found 7/16![British Airways logo]()
$1,013
This Turkish Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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.
Thu 8/2711:59 pm
ONT
- AGP
2 stops31h 46m
Turkish Airlines
Thu 9/1011:50 am
AGP
- ONT
2 stops41h 23m
Turkish Airlines
Deal found 7/16![Turkish Airlines logo]()
$1,148
Last-minute flights from Ontario to SpainDiscover last-minute flight deals from Ontario to Spain. Data last updated July 18, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Spain. Data last updated July 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Tue 8/183:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/14![United Airlines logo]()
$801
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 am
ONT
- BCN
2 stops23h 05m
United Airlines
Wed 8/193:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/15![United Airlines logo]()
$795
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:10 am
ONT
- BCN
1 stop22h 05m
United Airlines
Wed 8/193:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/14![United Airlines logo]()
$736
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:01 am
ONT
- BCN
1 stop20h 19m
United Airlines
Thu 8/204:10 pm
BCN
- ONT
1 stop15h 49m
United Airlines
Deal found 7/14![United Airlines logo]()
$786
This Orbitz deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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.
Sat 8/152:43 pm
ONT
- MAD
1 stop33h 22m
Iberia
Mon 9/79:00 pm
MAD
- ONT
2 stops34h 59m
Iberia
Deal found 7/17![Iberia logo]()
$852
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 8/151:56 pm
ONT
- MAD
2 stops31h 54m
United Airlines
Mon 9/712:45 pm
MAD
- ONT
2 stops41h 08m
United Airlines
Deal found 7/17![United Airlines logo]()
$867
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:00 am
ONT
- MAD
2 stops16h 50m
United Airlines
Thu 12/36:00 am
MAD
- ONT
2 stops23h 20m
United Airlines
Deal found 7/15![United Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:00 am
ONT
- MAD
2 stops18h 05m
United Airlines
Fri 12/411:00 am
MAD
- ONT
2 stops18h 20m
United Airlines
Deal found 7/15![United Airlines logo]()
$838
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:56 pm
ONT
- BCN
1 stop15h 24m
United Airlines
Sat 9/58:00 am
BCN
- ONT
2 stops21h 01m
United Airlines
Deal found 7/15![United Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:13 pm
ONT
- BCN
1 stop34h 07m
United Airlines
Mon 8/3112:15 pm
BCN
- ONT
2 stops56h 57m
United Airlines
Deal found 7/14![United Airlines logo]()
$771
This Expedia deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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.
Mon 8/1710:29 am
ONT
- MAD
1 stop13h 36m
British Airways
Tue 10/2012:40 pm
MAD
- ONT
1 stop16h 14m
British Airways
Deal found 7/16![British Airways logo]()
$833
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:56 pm
ONT
- BCN
1 stop15h 24m
United Airlines
Fri 8/2812:15 pm
BCN
- ONT
2 stops41h 38m
United Airlines
Deal found 7/14![United Airlines logo]()
$796
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 18, 2026.
Search for one-way flight options from Ontario to Spain. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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.
Sat 8/297:56 pm
ONT
- AGP
3 stops42h 34m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$334
This oojo deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:29 pm
ONT
- MAD
2 stops18h 41m
British Airways
Deal found 7/15![British Airways logo]()
$337
This oojo deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:29 pm
ONT
- MAD
2 stops18h 01m
British Airways
Deal found 7/13![British Airways logo]()
$338
This Cheapflightsfares deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” 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 10/610:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 7/17![British Airways logo]()
$343
This Cheapflightsfares deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 7/13![British Airways logo]()
$344
This Trip.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
- BCN
2 stops23h 45m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$346
This KLM deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:17 pm
ONT
- MAD
1 stop14h 58m
KLM
Deal found 7/13![KLM logo]()
$351
This oojo deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:29 pm
ONT
- MAD
2 stops18h 41m
British Airways
Deal found 7/15![British Airways logo]()
$352
This oojo deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:04 pm
ONT
- MAD
2 stops19h 26m
British Airways
Deal found 7/14![British Airways logo]()
$354
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:00 am
ONT
- MAD
2 stops17h 00m
United Airlines
Deal found 7/13![United Airlines logo]()
$355
This Air Canada deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:00 am
ONT
- MAD
2 stops16h 50m
Air Canada
Deal found 7/13![Air Canada logo]()
$359
This Trip.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
ONT
- BCN
2 stops23h 45m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$363
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 18, 2026.
Round-trip from | $696 (United Airlines) |
|---|---|
One-way from | $334 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,070 |
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 18, 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
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Sat 10/31
5:00 am-8:35 am
2 stops19h 35m
Barcelona-El Prat
Tue 11/10
9:55 am-8:06 pm
2 stops19h 11m
$762
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 11/30
7:00 am-9:55 am
1 stop17h 55m
Madrid Barajas
Tue 12/15
11:55 am-10:14 pm
1 stop19h 19m
$763
Quickest round-trip
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 10/12
10:25 am-9:05 am
1 stop13h 40m
Madrid Barajas
Thu 10/22
3:55 pm-11:52 pm
1 stop16h 57m
$779
OntarioBilbao
ONT - BIO
ONTBIO
Ontario
Mon 11/9
6:46 am-12:50 pm
2 stops21h 04m
Bilbao
Thu 11/12
6:45 am-8:06 pm
2 stops22h 21m
$780
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Thu 8/13
1:56 pm-2:20 pm
1 stop15h 24m
Barcelona-El Prat
Thu 8/20
4:10 pm-10:59 pm
1 stop15h 49m
$786
OntarioValencia
ONT - VLC
ONTVLC
Ontario
Mon 11/23
1:13 pm-11:20 pm
2 stops49h 07m
Valencia
Thu 11/26
1:00 pm-8:06 pm
2 stops40h 06m
$802
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 9/22
7:00 am-8:05 am
2 stops16h 05m
Madrid Barajas
Mon 10/5
12:45 pm-8:58 pm
2 stops17h 13m
$821
OntarioIbiza
ONT - IBZ
ONTIBZ
Ontario
Tue 11/3
6:10 am-8:25 am
2 stops17h 15m
Ibiza
Mon 11/9
9:35 pm-9:57 am
2 stops21h 22m
$865
OntarioMálaga
ONT - AGP
ONTAGP
Ontario
Sun 9/13
12:17 pm-7:30 pm
2 stops22h 13m
Malaga
Sun 10/4
5:55 am-10:26 pm
2 stops25h 31m
$909
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 9/9
7:00 am-8:05 am
2 stops16h 05m
Madrid Barajas
Tue 9/22
8:25 am-8:01 pm
2 stops20h 36m
$910
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-AGP
ONT-MAD
ONT-VLC
ONT-BCN
ONT-PMI
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-AGP
ONT-MAD
ONT-VLC
ONT-BCN
What is the cheapest month to book a flight from Ontario to Spain?
Currently, August is the cheapest month in which you can book a flight from Ontario to Spain (average of $516). 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 18, 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.
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Crew
8.1
Food
6.6
Overall
7.4
Entertainment
7.1
Boarding
7.7
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 18, 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$504 | Average$866 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$511 | Average$687 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$714 | Average$1,111 | FlexibilityNo cancel fee | On-time69% |