$380+ Cheap flights from Ontario (ONT) to Barcelona-El Prat (BCN)
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 — BCN
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Barcelona-El Prat with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Barcelona-El Prat
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Cheapest flights from Ontario to Barcelona-El PratExplore the most affordable flight options available from Ontario to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from Ontario to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This KLM deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:05 am
ONT
- BCN
1 stop20h 45m
KLM
Fri 10/91:20 pm
BCN
- ONT
1 stop18h 23m
KLM
Deal found 6/7![KLM logo]()
$873
This Priceline deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:29 am
ONT
- BCN
1 stop14h 41m
Multiple Airlines
Wed 8/261:50 pm
BCN
- ONT
2 stops40h 55m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am
ONT
- BCN
2 stops23h 50m
Delta
Fri 10/911:00 am
BCN
- ONT
1 stop20h 14m
Delta
Deal found 6/7![Delta logo]()
$877
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:25 am
ONT
- BCN
2 stops16h 35m
American Airlines
Thu 10/810:45 am
BCN
- ONT
2 stops19h 23m
American Airlines
Deal found 6/8![American Airlines logo]()
$878
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:59 pm
ONT
- BCN
2 stops25h 01m
Delta
Wed 10/286:00 am
BCN
- ONT
2 stops25h 48m
Delta
Deal found 6/11![Delta logo]()
$882
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 10/175:05 pm
ONT
- BCN
2 stops37h 30m
Delta
Thu 10/2910:50 am
BCN
- ONT
1 stop19h 24m
Delta
Deal found 6/11![Delta logo]()
$883
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:25 am
ONT
- BCN
1 stop16h 45m
American Airlines
Fri 10/912:30 pm
BCN
- ONT
2 stops19h 36m
American Airlines
Deal found 6/7![American Airlines logo]()
$884
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1912:00 pm
ONT
- BCN
1 stop15h 50m
Delta
Fri 10/306:00 am
BCN
- ONT
2 stops18h 12m
Delta
Deal found 6/11![Delta logo]()
$885
This Condor deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:54 am
ONT
- BCN
2 stops26h 16m
Multiple Airlines
Tue 8/118:00 am
BCN
- ONT
2 stops21h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$886
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:22 pm
ONT
- BCN
2 stops19h 18m
British Airways
Tue 10/610:15 am
BCN
- ONT
2 stops19h 53m
British Airways
Deal found 6/10![British Airways logo]()
$887
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 10/175:05 pm
ONT
- BCN
2 stops37h 30m
Delta
Wed 10/286:00 am
BCN
- ONT
2 stops25h 48m
Delta
Deal found 6/11![Delta logo]()
$888
Best flights from Ontario to Barcelona-El PratDiscover carefully curated flight deals from Ontario to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Ontario to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This KLM deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:05 am
ONT
- BCN
1 stop20h 45m
KLM
Fri 10/91:20 pm
BCN
- ONT
1 stop18h 23m
KLM
Deal found 6/6![KLM logo]()
$873
This Condor deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:54 am
ONT
- BCN
2 stops26h 16m
Multiple Airlines
Tue 8/118:00 am
BCN
- ONT
2 stops21h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$886
This Turkish Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:10 pm
ONT
- BCN
2 stops52h 35m
Turkish Airlines
Fri 10/27:40 am
BCN
- ONT
2 stops45h 33m
Turkish Airlines
Deal found 6/9![Turkish Airlines logo]()
$967
This British Airways deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:29 am
ONT
- BCN
1 stop14h 41m
British Airways
Sat 9/510:45 am
BCN
- ONT
1 stop17h 13m
British Airways
Deal found 6/9![British Airways logo]()
$1,109
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Fri 7/173:15 pm
BCN
- ONT
1 stop16h 36m
United Airlines
Deal found 6/10![United Airlines logo]()
$1,449
This Turkish Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:14 pm
ONT
- BCN
2 stops24h 01m
Multiple Airlines
Wed 10/217:40 am
BCN
- ONT
2 stops25h 02m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,237
This Turkish Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:50 pm
ONT
- BCN
2 stops28h 40m
Turkish Airlines
Tue 9/812:10 pm
BCN
- ONT
2 stops41h 03m
Turkish Airlines
Deal found 6/10![Turkish Airlines logo]()
$1,307
This Turkish Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:50 pm
ONT
- BCN
2 stops32h 50m
Turkish Airlines
Mon 9/72:35 pm
BCN
- ONT
2 stops62h 38m
Turkish Airlines
Deal found 6/10![Turkish Airlines logo]()
$1,368
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/710:29 am
ONT
- BCN
1 stop14h 41m
British Airways
Mon 9/710:45 am
BCN
- ONT
1 stop17h 02m
British Airways
Deal found 6/10![British Airways logo]()
$1,511
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/11:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Sat 8/153:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 6/8![United Airlines logo]()
$1,520
This KLM deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:48 am
ONT
- BCN
1 stop16h 02m
KLM
Mon 7/2011:00 am
BCN
- ONT
1 stop16h 30m
KLM
Deal found 6/8![KLM logo]()
$1,533
This Turkish Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:05 pm
ONT
- BCN
2 stops24h 10m
Multiple Airlines
Mon 8/177:40 am
BCN
- ONT
2 stops24h 31m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,437
Last-minute flights from Ontario to Barcelona-El PratDiscover last-minute flight deals from Ontario to Barcelona-El Prat. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Barcelona-El Prat. Data last updated June 11, 2026 and is based on user searches.
This Condor deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:35 am
ONT
- BCN
2 stops28h 35m
Multiple Airlines
Tue 7/148:00 am
BCN
- ONT
2 stops23h 50m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,100
This Condor deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Thu 7/168:00 am
BCN
- ONT
2 stops21h 10m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$985
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:54 am
ONT
- BCN
2 stops26h 16m
Multiple Airlines
Thu 7/238:00 am
BCN
- ONT
2 stops24h 52m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,067
This Booking.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:54 am
ONT
- BCN
2 stops26h 16m
Multiple Airlines
Thu 7/238:00 am
BCN
- ONT
2 stops24h 52m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$984
This Condor deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:00 am
ONT
- BCN
2 stops30h 10m
Multiple Airlines
Tue 8/48:00 am
BCN
- ONT
2 stops21h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,075
This FlightHub deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:54 am
ONT
- BCN
2 stops20h 06m
Multiple Airlines
Thu 8/68:00 am
BCN
- ONT
2 stops23h 35m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$1,121
This Condor deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:54 am
ONT
- BCN
2 stops26h 16m
Multiple Airlines
Tue 8/118:00 am
BCN
- ONT
2 stops21h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$886
This Booking.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:00 am
ONT
- BCN
2 stops30h 10m
Multiple Airlines
Mon 8/108:00 am
BCN
- ONT
2 stops24h 52m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,006
This Gotogate deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/271:11 pm
ONT
- BCN
2 stops22h 29m
Multiple Airlines
Mon 8/31:50 pm
BCN
- ONT
2 stops40h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$1,092
This Booking.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:54 am
ONT
- BCN
2 stops26h 16m
Multiple Airlines
Thu 8/138:00 am
BCN
- ONT
2 stops24h 52m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,125
One-way flights from Ontario to Barcelona-El PratSearch for one-way flight options from Ontario to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Ontario to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:58 am
ONT
- BCN
2 stops28h 32m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$380
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:05 am
ONT
- BCN
1 stop20h 45m
Virgin Atlantic
Deal found 6/8![Virgin Atlantic logo]()
$405
This KLM deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:00 pm
ONT
- BCN
1 stop15h 50m
KLM
Deal found 6/6![KLM logo]()
$408
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:59 am
ONT
- BCN
1 stop15h 51m
KLM
Deal found 6/10![KLM logo]()
$409
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:47 am
ONT
- BCN
2 stops17h 53m
British Airways
Deal found 6/10![British Airways logo]()
$410
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:34 am
ONT
- BCN
1 stop18h 31m
British Airways
Deal found 6/10![British Airways logo]()
$412
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am
ONT
- BCN
2 stops17h 00m
Delta
Deal found 6/6![Delta logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:49 pm
ONT
- BCN
3 stops43h 36m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:00 pm
ONT
- BCN
1 stop35h 40m
Delta
Deal found 6/10![Delta logo]()
$425
This FlightHub deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:59 pm
ONT
- BCN
1 stop24h 06m
British Airways
Deal found 6/7![British Airways logo]()
$426
Find flight deals from Ontario to Barcelona-El Prat
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Barcelona-El Prat (BCN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 11, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $873 (KLM) |
One-way from | $380 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,384 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Barcelona-El Prat 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 June 11, 2026.
Use the filters below to find and compare flights from Ontario to Barcelona-El Prat Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Sun 10/4
7:05 am-12:50 pm
1 stop20h 45m
Barcelona-El Prat
Fri 10/9
1:20 pm-10:43 pm
1 stop18h 23m
$873
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Mon 7/27
10:54 am-10:10 pm
2 stops26h 16m
Barcelona-El Prat
Tue 8/11
8:00 am-8:55 pm
2 stops21h 55m
$886
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Mon 9/14
9:10 pm-10:45 am
2 stops52h 35m
Barcelona-El Prat
Fri 10/2
7:40 am-8:13 pm
2 stops45h 33m
$967
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Mon 8/24
10:29 am-10:10 am
1 stop14h 41m
Barcelona-El Prat
Sat 9/5
10:45 am-6:58 pm
1 stop17h 13m
$1,109
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Wed 10/7
2:14 pm-11:15 pm
2 stops24h 01m
Barcelona-El Prat
Wed 10/21
7:40 am-11:42 pm
2 stops25h 02m
$1,237
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Tue 8/25
11:50 pm-1:30 pm
2 stops28h 40m
Barcelona-El Prat
Tue 9/8
12:10 pm-8:13 pm
2 stops41h 03m
$1,307
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Fri 8/7
11:50 pm-5:40 pm
2 stops32h 50m
Barcelona-El Prat
Mon 9/7
2:35 pm-8:13 pm
2 stops62h 38m
$1,368
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Tue 7/28
2:05 pm-11:15 pm
2 stops24h 10m
Barcelona-El Prat
Mon 8/17
7:40 am-11:11 pm
2 stops24h 31m
$1,437
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Fri 7/10
1:50 pm-2:20 pm
1 stop15h 30m
Barcelona-El Prat
Fri 7/17
3:15 pm-10:51 pm
1 stop16h 36m
$1,449
Quickest round-trip
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Fri 8/7
10:29 am-10:10 am
1 stop14h 41m
Barcelona-El Prat
Mon 9/7
10:45 am-6:47 pm
1 stop17h 02m
$1,511
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Ontario to Barcelona-El Prat
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Barcelona-El Prat in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Barcelona-El Prat Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-Barcelona-El Prat Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Ontario-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Barcelona-El Prat Airport flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Barcelona-El Prat
Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Ontario with our price prediction graph.
ONT-BCN
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 Barcelona-El Prat Airport
Reviews of airlines servicing Barcelona-El Prat
Get insights into the airlines that provide service to Barcelona-El Prat. 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 Barcelona-El Prat. Reviews last updated June 11, 2026.
Read reviews from past customers who have flown United Airlines,Iberia, andBritish Airways from Ontario to Barcelona-El Prat Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
Boarding
7.7
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Entertainment
7.1
Overall
7.4
Comfort
7.3
Crew
8.1
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 Barcelona-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Barcelona-El Prat Airport?
Book flights to Barcelona-El Prat Airport if you plan to visit one of these locationsRoses
Calella
L'Hospitalet de Llobregat
Cadaques
El Prat de Llobregat
Badalona
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Other flights to Barcelona-El Prat
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Ontario and Barcelona-El Prat flights
Browse other Ontario and Barcelona-El Prat flight options. Last updated on June 11, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
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Top 3 airlines flying from Ontario to Barcelona-El Prat
Discover the top 3 airlines that operate flights from Ontario to Barcelona-El Prat. 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$587 | Average$737 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$714 | Average$1,075 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$747 | Average$969 | FlexibilityNo cancel fee | On-time70% |