$343+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
May 31 — Jun 71
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 May 1, 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 May 1, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Tue 10/271:00 pm
MAD
- ONT
1 stop16h 08m
British Airways
Deal found 4/27![British Airways logo]()
$749
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Wed 9/912:40 pm
MAD
- ONT
1 stop19h 26m
British Airways
Deal found 4/29![British Airways logo]()
$759
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 10/1112:00 pm
ONT
- MAD
1 stop15h 15m
Delta
Thu 10/159:50 am
MAD
- ONT
1 stop17h 28m
Delta
Deal found 4/30![Delta logo]()
$764
This oojo deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:59 pm
ONT
- MAD
1 stop33h 21m
British Airways
Wed 12/912:40 pm
MAD
- ONT
1 stop17h 27m
British Airways
Deal found 4/27![British Airways logo]()
$765
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 am
ONT
- MAD
1 stop17h 55m
Delta
Fri 11/136:00 am
MAD
- ONT
2 stops25h 14m
Delta
Deal found 4/25![Delta logo]()
$766
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:59 pm
ONT
- MAD
2 stops24h 01m
Delta
Thu 11/1211:55 am
MAD
- ONT
1 stop19h 19m
Delta
Deal found 4/25![Delta logo]()
$768
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:59 pm
ONT
- MAD
2 stops31h 21m
Delta
Fri 11/136:00 am
MAD
- ONT
2 stops21h 18m
Delta
Deal found 4/25![Delta logo]()
$770
This British Airways deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:59 pm
ONT
- MAD
2 stops18h 31m
British Airways
Fri 11/137:05 am
MAD
- ONT
2 stops20h 17m
British Airways
Deal found 4/25![British Airways logo]()
$772
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am
ONT
- MAD
1 stop17h 55m
Delta
Fri 11/276:00 am
MAD
- ONT
2 stops19h 12m
Delta
Deal found 4/26![Delta logo]()
$773
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:00 pm
ONT
- MAD
2 stops35h 00m
Delta
Wed 11/1110:00 am
MAD
- ONT
2 stops21h 14m
Delta
Deal found 4/25![Delta logo]()
$780
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:00 pm
ONT
- MAD
2 stops35h 00m
Delta
Tue 11/101:05 pm
MAD
- ONT
2 stops36h 07m
Delta
Deal found 4/25![Delta logo]()
$782
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:00 am
ONT
- MAD
2 stops18h 00m
United Airlines
Tue 12/151:45 pm
MAD
- ONT
2 stops18h 21m
United Airlines
Deal found 4/29![United Airlines logo]()
$790
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 May 1, 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 May 1, 2026.
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:45 am
ONT
- MAD
2 stops42h 15m
United Airlines
Tue 9/2911:15 am
MAD
- ONT
2 stops20h 11m
United Airlines
Deal found 4/26![United Airlines logo]()
$802
This KLM deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Tue 9/159:50 am
MAD
- ONT
1 stop17h 11m
KLM
Deal found 4/25![KLM logo]()
$917
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
ONT
- MAD
1 stop20h 15m
Delta
Tue 9/159:50 am
MAD
- ONT
1 stop17h 11m
Delta
Deal found 4/25![Delta logo]()
$917
This oojo deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:27 pm
ONT
- PMI
2 stops20h 13m
British Airways
Tue 9/298:35 pm
PMI
- ONT
2 stops31h 22m
British Airways
Deal found 4/26![British Airways logo]()
$943
This Condor deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:45 pm
ONT
- BCN
2 stops23h 25m
Multiple Airlines
Sat 8/298:00 am
BCN
- ONT
2 stops18h 10m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$980
This Iberia deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:25 am
ONT
- BIO
2 stops17h 20m
Iberia
Sat 10/31:30 pm
BIO
- ONT
2 stops18h 36m
Iberia
Deal found 4/28![Iberia logo]()
$1,036
This Turkish Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:58 pm
ONT
- BIO
2 stops50h 12m
Turkish Airlines
Thu 7/26:20 pm
BIO
- ONT
2 stops60h 41m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$1,337
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:00 am
ONT
- ALC
2 stops21h 05m
American Airlines
Sun 7/199:15 am
ALC
- ONT
2 stops23h 44m
American Airlines
Deal found 4/28![American Airlines logo]()
$1,374
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am
ONT
- VLC
2 stops31h 35m
United Airlines
Wed 10/216:15 pm
VLC
- ONT
2 stops35h 01m
United Airlines
Deal found 4/28![United Airlines logo]()
$814
This KLM deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Tue 10/69:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 4/28![KLM logo]()
$934
This British Airways deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 9/2010:25 am
ONT
- BIO
2 stops17h 20m
British Airways
Mon 10/51:30 pm
BIO
- ONT
2 stops18h 36m
British Airways
Deal found 4/30![British Airways logo]()
$986
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:35 pm
ONT
- AGP
2 stops18h 00m
Delta
Wed 6/176:00 am
AGP
- ONT
2 stops25h 41m
Delta
Deal found 4/28![Delta logo]()
$988
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- AGP
2 stops16h 35m
United Airlines
Wed 5/209:35 am
AGP
- ONT
2 stops20h 01m
United Airlines
Deal found 4/27![United Airlines logo]()
$933
This Expedia deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:15 pm
ONT
- ALC
2 stops21h 40m
Iberia
Wed 7/229:30 pm
ALC
- ONT
2 stops35h 29m
Iberia
Deal found 4/26![Iberia logo]()
$1,115
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:00 am
ONT
- AGP
2 stops17h 35m
United Airlines
Thu 9/39:35 am
AGP
- ONT
2 stops19h 29m
United Airlines
Deal found 4/26![United Airlines logo]()
$933
This oojo deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:59 pm
ONT
- VLC
2 stops21h 36m
British Airways
Mon 10/58:30 pm
VLC
- ONT
2 stops33h 38m
British Airways
Deal found 4/26![British Airways logo]()
$1,032
This KLM deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:35 pm
ONT
- AGP
2 stops20h 55m
KLM
Mon 6/810:55 pm
AGP
- ONT
2 stops26h 46m
KLM
Deal found 4/29![KLM logo]()
$1,044
This Condor deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:30 am
ONT
- BCN
2 stops28h 40m
Multiple Airlines
Wed 7/158:00 am
BCN
- ONT
2 stops23h 35m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,167
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:15 pm
ONT
- ALC
2 stops21h 40m
Iberia
Mon 8/109:30 pm
ALC
- ONT
2 stops30h 17m
Iberia
Deal found 4/29![Iberia logo]()
$1,136
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:45 am
ONT
- VLC
2 stops24h 30m
Delta
Thu 6/46:35 am
VLC
- ONT
2 stops24h 57m
Delta
Deal found 4/27![Delta logo]()
$1,163
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:00 am
ONT
- PMI
2 stops18h 30m
United Airlines
Thu 8/2712:15 pm
PMI
- ONT
2 stops39h 04m
United Airlines
Deal found 4/27![United Airlines logo]()
$962
This Finnair deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 9/1610:25 am
ONT
- AGP
2 stops21h 25m
Multiple Airlines
Wed 9/305:35 pm
AGP
- ONT
2 stops36h 33m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$1,175
This British Airways deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:29 am
ONT
- BCN
1 stop14h 41m
British Airways
Mon 8/2410:45 am
BCN
- ONT
1 stop17h 02m
British Airways
Deal found 4/28![British Airways logo]()
$1,153
This KLM deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:00 am
ONT
- BCN
1 stop19h 10m
KLM
Sun 10/186:20 am
BCN
- ONT
2 stops18h 52m
KLM
Deal found 4/26![KLM logo]()
$1,171
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 9/105:45 am
ONT
- BIO
2 stops20h 00m
United Airlines
Sun 9/206:50 am
BIO
- ONT
2 stops20h 21m
United Airlines
Deal found 4/29![United Airlines logo]()
$986
This KAYAK deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/510:41 pm
ONT
- SVQ
2 stops33h 54m
Turkish Airlines
Thu 6/186:35 pm
SVQ
- ONT
2 stops60h 19m
Turkish Airlines
Deal found 4/27![Turkish Airlines logo]()
$1,466
This Iberia deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:29 am
ONT
- ALC
2 stops17h 36m
Iberia
Sat 8/229:15 am
ALC
- ONT
2 stops18h 43m
Iberia
Deal found 4/26![Iberia logo]()
$1,262
This CheapOair deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Fri 8/2110:29 am
ONT
- IBZ
2 stops17h 16m
Multiple Airlines
Wed 8/269:05 am
IBZ
- ONT
2 stops22h 53m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$1,283
This British Airways deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:29 am
ONT
- ALC
2 stops17h 36m
British Airways
Sat 8/229:15 am
ALC
- ONT
2 stops22h 43m
British Airways
Deal found 4/26![British Airways logo]()
$1,184
This KLM deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Wed 9/169:50 am
MAD
- ONT
1 stop17h 11m
KLM
Deal found 4/25![KLM logo]()
$1,187
Last-minute flights from Ontario to SpainDiscover last-minute flight deals from Ontario to Spain. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Spain. Data last updated May 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 4/306:00 am
ONT
- MAD
2 stops17h 05m
United Airlines
Mon 5/412:45 pm
MAD
- ONT
2 stops42h 50m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,039
This KLM deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 4/3012:49 pm
ONT
- MAD
1 stop14h 26m
KLM
Mon 5/412:45 pm
MAD
- ONT
1 stop17h 15m
KLM
Deal found 4/29![KLM logo]()
$1,044
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 5/110:59 am
ONT
- MAD
1 stop13h 06m
British Airways
Sun 5/310:25 am
MAD
- ONT
1 stop19h 42m
British Airways
Deal found 4/30![British Airways logo]()
$1,049
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Thu 5/710:59 am
ONT
- MAD
1 stop13h 36m
British Airways
Fri 9/1812:40 pm
MAD
- ONT
1 stop15h 17m
British Airways
Deal found 4/29![British Airways logo]()
$984
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:30 pm
ONT
- AGP
2 stops33h 05m
United Airlines
Sun 5/179:35 am
AGP
- ONT
2 stops44h 01m
United Airlines
Deal found 4/26![United Airlines logo]()
$968
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:00 am
ONT
- AGP
2 stops17h 35m
United Airlines
Fri 5/229:35 am
AGP
- ONT
2 stops21h 20m
United Airlines
Deal found 4/27![United Airlines logo]()
$843
This Trip.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1012:08 pm
ONT
- PMI
2 stops19h 07m
KLM
Tue 5/2610:20 pm
PMI
- ONT
2 stops27h 50m
KLM
Deal found 4/30![KLM logo]()
$886
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- AGP
2 stops16h 35m
United Airlines
Wed 5/209:35 am
AGP
- ONT
2 stops21h 23m
United Airlines
Deal found 4/27![United Airlines logo]()
$933
This Mytrip deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:45 am
ONT
- BCN
2 stops20h 45m
Multiple Airlines
Fri 5/221:50 pm
BCN
- ONT
2 stops40h 55m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,032
This FlightHub deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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.
Sat 5/2311:15 am
ONT
- BCN
2 stops25h 55m
Multiple Airlines
Thu 6/48:00 am
BCN
- ONT
2 stops21h 47m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,012
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:35 pm
ONT
- AGP
2 stops20h 05m
Delta
Mon 6/85:25 pm
AGP
- ONT
2 stops32h 54m
Delta
Deal found 4/26![Delta logo]()
$1,039
This KLM deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:35 pm
ONT
- AGP
2 stops20h 55m
KLM
Mon 6/810:55 pm
AGP
- ONT
2 stops26h 46m
KLM
Deal found 4/29![KLM logo]()
$1,044
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 May 1, 2026.
Search for one-way flight options from Ontario to Spain. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:29 am
ONT
- MAD
1 stop13h 36m
British Airways
Deal found 4/29![British Airways logo]()
$343
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:33 pm
ONT
- MAD
2 stops22h 37m
British Airways
Deal found 4/29![British Airways logo]()
$344
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/2810:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 4/29![British Airways logo]()
$348
This KLM deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Deal found 4/29![KLM logo]()
$351
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:15 pm
ONT
- MAD
1 stop15h 10m
American Airlines
Deal found 4/26![American Airlines logo]()
$352
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 8/911:59 pm
ONT
- MAD
1 stop24h 06m
British Airways
Deal found 4/29![British Airways logo]()
$354
This oojo deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:31 pm
ONT
- IBZ
2 stops18h 19m
British Airways
Deal found 4/27![British Airways logo]()
$355
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:22 pm
ONT
- PMI
2 stops20h 18m
British Airways
Deal found 4/29![British Airways logo]()
$355
This oojo deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:59 pm
ONT
- VLC
2 stops21h 36m
British Airways
Deal found 4/27![British Airways logo]()
$355
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:45 am
ONT
- AGP
2 stops16h 50m
United Airlines
Deal found 4/28![United Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
ONT
- BIO
2 stops19h 45m
United Airlines
Deal found 4/28![United Airlines logo]()
$365
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” 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 8/22:15 pm
ONT
- MAD
1 stop33h 50m
British Airways
Deal found 4/30![British Airways logo]()
$365
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 May 1, 2026.
Round-trip from | $749 (Cheapflightsfares) |
|---|---|
One-way from | $343 (Cheapflightsfares) |
Popular in | June |
Cheapest in | September |
Average price | $868 |
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 May 1, 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
Sun 9/20
5:45 am-9:00 am
2 stops42h 15m
Madrid Barajas
Tue 9/29
11:15 am-10:26 pm
2 stops20h 11m
$802
OntarioValencia
ONT - VLC
ONTVLC
Ontario
Wed 10/14
6:00 am-10:35 pm
2 stops31h 35m
Valencia
Wed 10/21
6:15 pm-8:16 pm
2 stops35h 01m
$814
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 8/25
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Tue 9/15
9:50 am-6:01 pm
1 stop17h 11m
$917
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 8/24
7:00 am-12:15 pm
1 stop20h 15m
Madrid Barajas
Tue 9/15
9:50 am-6:01 pm
1 stop17h 11m
$917
OntarioMálaga
ONT - AGP
ONTAGP
Ontario
Tue 5/12
6:00 am-7:35 am
2 stops16h 35m
Malaga
Wed 5/20
9:35 am-8:36 pm
2 stops20h 01m
$933
OntarioMálaga
ONT - AGP
ONTAGP
Ontario
Mon 8/24
5:00 am-7:35 am
2 stops17h 35m
Malaga
Thu 9/3
9:35 am-8:04 pm
2 stops19h 29m
$933
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Thu 9/24
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Tue 10/6
9:50 am-6:18 pm
1 stop17h 28m
$934
OntarioPalma de Mallorca
ONT - PMI
ONTPMI
Ontario
Sun 9/6
2:27 pm-7:40 pm
2 stops20h 13m
Palma de Mallorca Son Sant Joan
Tue 9/29
8:35 pm-6:57 pm
2 stops31h 22m
$943
OntarioPalma de Mallorca
ONT - PMI
ONTPMI
Ontario
Sun 8/23
5:00 am-8:30 am
2 stops18h 30m
Palma de Mallorca Son Sant Joan
Thu 8/27
12:15 pm-6:19 pm
2 stops39h 04m
$962
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Sun 8/9
1:45 pm-10:10 pm
2 stops23h 25m
Barcelona-El Prat
Sat 8/29
8:00 am-5:10 pm
2 stops18h 10m
$980
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-MAD
ONT-AGP
ONT-PMI
ONT-BCN
ONT-IBZ
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-MAD
ONT-AGP
ONT-PMI
ONT-BCN
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 $439). Flying from Ontario to Spain in June is currently the most expensive (average of $990). 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 May 1, 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
Food
6.6
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Comfort
7.3
Food
6.6
Overall
7.4
Crew
8.1
Entertainment
7.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
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 May 1, 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 May 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$734 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$908 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$682 | Average$1,075 | FlexibilityNo cancel fee | On-time69% |