$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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Jun 28 — Jul 51
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Spain with Cheapflights
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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 29, 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 29, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/28. 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 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
Tue 10/1312:20 pm
MAD
- ONT
1 stop15h 37m
British Airways
Deal found 5/28![British Airways logo]()
$748
This British Airways deal was found by Cheapflights users on 5/26. 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 11/1110:47 am
ONT
- MAD
2 stops18h 28m
British Airways
Wed 11/1811:00 am
MAD
- ONT
1 stop19h 11m
British Airways
Deal found 5/26![British Airways logo]()
$760
This KLM deal was found by Cheapflights users on 5/28. 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.
Mon 10/1212:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Fri 10/239:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 5/28![KLM logo]()
$764
This Delta deal was found by Cheapflights users on 5/28. 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.
Sun 11/297:00 am
ONT
- MAD
1 stop17h 55m
Delta
Mon 12/1410:55 am
MAD
- ONT
2 stops38h 17m
Delta
Deal found 5/28![Delta logo]()
$765
This Delta deal was found by Cheapflights users on 5/28. 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.
Mon 11/307:00 am
ONT
- MAD
2 stops25h 40m
Delta
Fri 12/1111:55 am
MAD
- ONT
1 stop19h 19m
Delta
Deal found 5/28![Delta logo]()
$768
This Delta deal was found by Cheapflights users on 5/26. 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.
Mon 11/910:59 pm
ONT
- MAD
2 stops27h 31m
Delta
Wed 11/186:00 am
MAD
- ONT
2 stops19h 12m
Delta
Deal found 5/26![Delta logo]()
$769
This Delta deal was found by Cheapflights users on 5/28. 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 12/17:00 am
ONT
- MAD
2 stops25h 40m
Delta
Wed 12/910:55 am
MAD
- ONT
2 stops40h 23m
Delta
Deal found 5/28![Delta logo]()
$770
This Delta deal was found by Cheapflights users on 5/26. 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.
Sat 11/145:05 pm
ONT
- MAD
2 stops29h 55m
Delta
Fri 11/206:00 am
MAD
- ONT
2 stops19h 12m
Delta
Deal found 5/26![Delta logo]()
$777
This oojo deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:55 pm
ONT
- MAD
2 stops20h 35m
British Airways
Fri 12/412:40 pm
MAD
- ONT
1 stop17h 27m
British Airways
Deal found 5/28![British Airways logo]()
$783
This Delta deal was found by Cheapflights users on 5/26. 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.
Mon 9/2811:59 am
ONT
- BIO
2 stops19h 31m
Delta
Fri 10/26:45 am
BIO
- ONT
2 stops20h 19m
Delta
Deal found 5/26![Delta logo]()
$784
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 9/11:18 pm
ONT
- PMI
2 stops34h 12m
United Airlines
Thu 9/1012:15 pm
PMI
- ONT
2 stops43h 34m
United Airlines
Deal found 5/26![United Airlines logo]()
$847
This Delta deal was found by Cheapflights users on 5/26. 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 9/277:05 am
ONT
- BIO
2 stops17h 45m
Delta
Fri 10/26:45 am
BIO
- ONT
2 stops20h 19m
Delta
Deal found 5/26![Delta logo]()
$864
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 29, 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 29, 2026.
This KLM deal was found by Cheapflights users on 5/28. 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.
Mon 10/1212:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Thu 10/229:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 5/28![KLM logo]()
$764
This Delta deal was found by Cheapflights users on 5/26. 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.
Mon 9/2811:59 am
ONT
- BIO
2 stops19h 31m
Delta
Fri 10/26:45 am
BIO
- ONT
2 stops20h 19m
Delta
Deal found 5/26![Delta logo]()
$784
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Tue 11/36:00 am
ONT
- MAD
2 stops16h 45m
United Airlines
Wed 11/1811:00 am
MAD
- ONT
2 stops18h 20m
United Airlines
Deal found 5/24![United Airlines logo]()
$790
This British Airways deal was found by Cheapflights users on 5/24. 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.
Mon 10/510:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Sat 10/1712:40 pm
MAD
- ONT
1 stop16h 24m
British Airways
Deal found 5/24![British Airways logo]()
$889
This Condor deal was found by Cheapflights users on 5/24. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:54 am
ONT
- BCN
2 stops20h 06m
Multiple Airlines
Thu 7/238:00 am
BCN
- ONT
2 stops21h 10m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,063
This Iberia deal was found by Cheapflights users on 5/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:00 am
ONT
- AGP
2 stops16h 30m
Iberia
Thu 11/129:10 am
AGP
- ONT
2 stops22h 13m
Iberia
Deal found 5/25![Iberia logo]()
$1,084
This Turkish Airlines deal was found by Cheapflights users on 5/24. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:10 pm
ONT
- BCN
2 stops52h 35m
Turkish Airlines
Mon 9/217:10 pm
BCN
- ONT
2 stops58h 03m
Turkish Airlines
Deal found 5/24![Turkish Airlines logo]()
$1,092
This Air Canada deal was found by Cheapflights users on 5/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:18 pm
ONT
- PMI
2 stops34h 22m
Air Canada
Sat 10/171:10 pm
PMI
- ONT
2 stops40h 42m
Air Canada
Deal found 5/27![Air Canada logo]()
$1,124
This American Airlines deal was found by Cheapflights users on 5/28. 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.
Fri 7/1710:25 am
ONT
- LCG
2 stops17h 35m
American Airlines
Tue 7/211:40 pm
LCG
- ONT
2 stops19h 19m
American Airlines
Deal found 5/28![American Airlines logo]()
$1,528
This United Airlines deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:18 pm
ONT
- PMI
2 stops34h 12m
United Airlines
Thu 9/1012:15 pm
PMI
- ONT
2 stops43h 34m
United Airlines
Deal found 5/25![United Airlines logo]()
$847
This Delta deal was found by Cheapflights users on 5/26. 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 9/277:05 am
ONT
- BIO
2 stops17h 45m
Delta
Fri 10/26:45 am
BIO
- ONT
2 stops20h 19m
Delta
Deal found 5/26![Delta logo]()
$864
This British Airways deal was found by Cheapflights users on 5/26. 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.
Tue 9/2910:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Sat 10/2412:40 pm
MAD
- ONT
1 stop16h 24m
British Airways
Deal found 5/26![British Airways logo]()
$900
This KLM deal was found by Cheapflights users on 5/26. 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 10/812:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Mon 10/199:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 5/26![KLM logo]()
$924
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Wed 11/47:00 am
ONT
- MAD
2 stops15h 45m
United Airlines
Wed 11/1811:00 am
MAD
- ONT
2 stops18h 20m
United Airlines
Deal found 5/24![United Airlines logo]()
$854
This Delta deal was found by Cheapflights users on 5/27. 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.
Tue 10/2012:00 pm
ONT
- MAD
1 stop15h 15m
Delta
Tue 11/106:00 am
MAD
- ONT
2 stops19h 12m
Delta
Deal found 5/27![Delta logo]()
$865
This United Airlines deal was found by Cheapflights users on 5/27. 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.
Thu 9/175:00 am
ONT
- BIO
2 stops20h 45m
United Airlines
Sun 9/206:50 am
BIO
- ONT
2 stops22h 11m
United Airlines
Deal found 5/27![United Airlines logo]()
$878
This British Airways deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:20 am
ONT
- MAD
1 stop16h 45m
British Airways
Fri 11/131:00 pm
MAD
- ONT
1 stop19h 57m
British Airways
Deal found 5/27![British Airways logo]()
$984
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:35 pm
ONT
- PMI
2 stops18h 20m
Multiple Airlines
Sat 10/249:10 am
PMI
- ONT
2 stops18h 47m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,145
This Turkish Airlines deal was found by Cheapflights users on 5/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:50 pm
ONT
- BIO
2 stops50h 20m
Turkish Airlines
Wed 9/166:20 pm
BIO
- ONT
2 stops34h 53m
Turkish Airlines
Deal found 5/28![Turkish Airlines logo]()
$1,177
This Delta deal was found by Cheapflights users on 5/26. 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 11/225:05 pm
ONT
- AGP
2 stops38h 50m
Delta
Fri 11/276:05 am
AGP
- ONT
2 stops19h 07m
Delta
Deal found 5/26![Delta logo]()
$977
This United Airlines deal was found by Cheapflights users on 5/24. 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 10/44:03 pm
ONT
- BIO
2 stops22h 22m
United Airlines
Mon 10/127:15 am
BIO
- ONT
2 stops22h 37m
United Airlines
Deal found 5/24![United Airlines logo]()
$943
This Priceline deal was found by Cheapflights users on 5/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:22 pm
ONT
- SVQ
2 stops18h 43m
Multiple Airlines
Thu 10/151:25 pm
SVQ
- ONT
2 stops18h 41m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$1,155
This KLM deal was found by Cheapflights users on 5/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:59 am
ONT
- MAD
1 stop15h 16m
KLM
Thu 9/249:50 am
MAD
- ONT
1 stop17h 11m
KLM
Deal found 5/27![KLM logo]()
$1,170
This Turkish Airlines deal was found by Cheapflights users on 5/25. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:50 pm
ONT
- BIO
2 stops32h 30m
Turkish Airlines
Fri 9/1812:10 pm
BIO
- ONT
2 stops41h 03m
Turkish Airlines
Deal found 5/25![Turkish Airlines logo]()
$1,227
This Expedia deal was found by Cheapflights users on 5/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/112:15 pm
ONT
- LPA
2 stops19h 50m
Iberia
Sat 7/186:30 am
LPA
- ONT
2 stops25h 29m
Iberia
Deal found 5/27![Iberia logo]()
$1,391
This United Airlines deal was found by Cheapflights users on 5/27. 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.
Mon 10/261:00 pm
ONT
- PMI
2 stops18h 25m
United Airlines
Mon 11/24:25 pm
PMI
- ONT
2 stops37h 56m
United Airlines
Deal found 5/27![United Airlines logo]()
$967
This Priceline deal was found by Cheapflights users on 5/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:25 am
ONT
- ALC
2 stops17h 40m
British Airways
Tue 10/201:40 pm
ALC
- ONT
2 stops18h 26m
British Airways
Deal found 5/24![British Airways logo]()
$1,212
This Turkish Airlines deal was found by Cheapflights users on 5/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:10 pm
ONT
- AGP
2 stops28h 25m
Multiple Airlines
Fri 9/185:55 pm
AGP
- ONT
2 stops35h 18m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,214
This KLM deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:05 am
ONT
- BCN
1 stop20h 45m
KLM
Thu 7/2311:00 am
BCN
- ONT
1 stop16h 30m
KLM
Deal found 5/24![KLM logo]()
$1,263
This Iberia deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:25 am
ONT
- LPA
2 stops19h 30m
Iberia
Thu 9/177:25 am
LPA
- ONT
2 stops19h 32m
Iberia
Deal found 5/24![Iberia logo]()
$1,412
Last-minute flights from Ontario to SpainDiscover last-minute flight deals from Ontario to Spain. Data last updated May 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Spain. Data last updated May 29, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 5/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:15 am
ONT
- BCN
2 stops19h 50m
Multiple Airlines
Wed 6/38:00 am
BCN
- ONT
2 stops21h 47m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,045
This Justfly.com deal was found by Cheapflights users on 5/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:15 am
ONT
- BCN
2 stops25h 55m
Multiple Airlines
Tue 6/28:00 am
BCN
- ONT
2 stops21h 47m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,060
This FlightHub deal was found by Cheapflights users on 5/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
ONT
- BCN
2 stops24h 00m
Multiple Airlines
Fri 6/58:00 am
BCN
- ONT
2 stops21h 47m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$927
This FlightHub deal was found by Cheapflights users on 5/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
ONT
- BCN
2 stops24h 00m
Multiple Airlines
Thu 6/118:00 am
BCN
- ONT
2 stops24h 51m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,011
This FlightHub deal was found by Cheapflights users on 5/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
ONT
- BCN
2 stops24h 00m
Multiple Airlines
Thu 6/48:00 am
BCN
- ONT
2 stops24h 56m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,049
This Gotogate deal was found by Cheapflights users on 5/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
ONT
- MAD
2 stops27h 30m
Multiple Airlines
Thu 6/117:05 am
MAD
- ONT
2 stops25h 46m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,117
This Gotogate deal was found by Cheapflights users on 5/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 am
ONT
- BCN
2 stops25h 55m
Multiple Airlines
Mon 6/88:00 am
BCN
- ONT
2 stops24h 56m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,129
This FlightHub deal was found by Cheapflights users on 5/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
ONT
- BCN
2 stops24h 00m
Multiple Airlines
Wed 6/108:00 am
BCN
- ONT
2 stops21h 47m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,131
This Justfly.com deal was found by Cheapflights users on 5/24. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:00 am
ONT
- BCN
2 stops30h 10m
Multiple Airlines
Thu 6/118:00 am
BCN
- ONT
2 stops24h 51m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,037
This Mytrip deal was found by Cheapflights users on 5/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1512:55 am
ONT
- MAD
2 stops26h 15m
Multiple Airlines
Tue 6/2311:15 pm
MAD
- ONT
3 stops32h 50m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$1,113
This Gotogate deal was found by Cheapflights users on 5/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:00 am
ONT
- BCN
2 stops30h 10m
Multiple Airlines
Thu 7/98:00 am
BCN
- ONT
2 stops24h 51m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,144
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Sat 6/271:50 pm
ONT
- PMI
2 stops33h 40m
United Airlines
Sat 8/291:10 pm
PMI
- ONT
2 stops40h 43m
United Airlines
Deal found 5/29![United Airlines logo]()
$1,129
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 29, 2026.
Search for one-way flight options from Ontario to Spain. Find affordable one-way fares based on user searches. Data last updated May 29, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 5/25![British Airways logo]()
$343
This Cheapflightsfares deal was found by Cheapflights users on 5/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:29 am
ONT
- MAD
1 stop13h 36m
British Airways
Deal found 5/28![British Airways logo]()
$344
This Cheapflightsfares deal was found by Cheapflights users on 5/28. 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 Cheapflightsfares 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
Deal found 5/28![British Airways logo]()
$345
This Cheapflightsfares deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 5/25![British Airways logo]()
$348
This KLM deal was found by Cheapflights users on 5/28. 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.
Tue 8/412:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Deal found 5/28![KLM logo]()
$352
This Delta deal was found by Cheapflights users on 5/26. 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.
Wed 11/257:00 am
ONT
- MAD
1 stop17h 55m
Delta
Deal found 5/26![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 5/26. 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 9/216:00 am
ONT
- AGP
2 stops16h 35m
United Airlines
Deal found 5/26![United Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 5/28. 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.
Mon 10/56:32 pm
ONT
- PMI
2 stops26h 43m
United Airlines
Deal found 5/28![United Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 5/27. 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.
Mon 8/1010:00 pm
ONT
- MAD
1 stop29h 15m
Delta
Deal found 5/27![Delta logo]()
$367
This British Airways deal was found by Cheapflights users on 5/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:37 pm
ONT
- MAD
2 stops18h 13m
British Airways
Deal found 5/29![British Airways logo]()
$368
This FlightHub deal was found by Cheapflights users on 5/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 5/27![British Airways logo]()
$369
This Delta deal was found by Cheapflights users on 5/28. 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.
Sun 10/187:00 am
ONT
- AGP
2 stops19h 45m
Delta
Deal found 5/28![Delta logo]()
$370
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 29, 2026.
Round-trip from | $748 (Cheapflightsfares) |
|---|---|
One-way from | $343 (Cheapflightsfares) |
Popular in | June |
Cheapest in | September |
Average price | $870 |
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 29, 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
Mon 10/12
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Thu 10/22
9:50 am-6:18 pm
1 stop17h 28m
$764
OntarioBilbao
ONT - BIO
ONTBIO
Ontario
Mon 9/28
11:59 am-4:30 pm
2 stops19h 31m
Bilbao
Fri 10/2
6:45 am-6:04 pm
2 stops20h 19m
$784
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 11/3
6:00 am-7:45 am
2 stops16h 45m
Madrid Barajas
Wed 11/18
11:00 am-8:20 pm
2 stops18h 20m
$790
OntarioPalma de Mallorca
ONT - PMI
ONTPMI
Ontario
Tue 9/1
1:18 pm-8:30 am
2 stops34h 12m
Palma de Mallorca Son Sant Joan
Thu 9/10
12:15 pm-10:49 pm
2 stops43h 34m
$847
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 11/4
7:00 am-7:45 am
2 stops15h 45m
Madrid Barajas
Wed 11/18
11:00 am-8:20 pm
2 stops18h 20m
$854
OntarioBilbao
ONT - BIO
ONTBIO
Ontario
Sun 9/27
7:05 am-9:50 am
2 stops17h 45m
Bilbao
Fri 10/2
6:45 am-6:04 pm
2 stops20h 19m
$864
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 10/20
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Tue 11/10
6:00 am-4:12 pm
2 stops19h 12m
$865
OntarioBilbao
ONT - BIO
ONTBIO
Ontario
Thu 9/17
5:00 am-10:45 am
2 stops20h 45m
Bilbao
Sun 9/20
6:50 am-8:01 pm
2 stops22h 11m
$878
Quickest round-trip
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 10/5
10:25 am-9:05 am
1 stop13h 40m
Madrid Barajas
Sat 10/17
12:40 pm-8:04 pm
1 stop16h 24m
$889
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 9/29
10:25 am-9:05 am
1 stop13h 40m
Madrid Barajas
Sat 10/24
12:40 pm-8:04 pm
1 stop16h 24m
$900
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-BIO
ONT-BCN
ONT-AGP
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-MAD
ONT-BIO
ONT-BCN
ONT-AGP
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 $1,181). 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 29, 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.
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.4
Food
6.6
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 29, 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$695 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$943 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$714 | Average$1,102 | FlexibilityNo cancel fee | On-time69% |