$400+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BCN
Sep 19 — Sep 261
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Cheapest
Best
Last-minute
One-way
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 August 20, 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 August 20, 2026.
This Icelandair deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:50 am -
2 stops21h 50m
Tue 11/1712:25 pm -
2 stops18h 15m
Deal found 8/17![Multiple Airlines logo]()
$844
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
1 stop15h 35m
Tue 11/1710:40 am -
1 stop17h 07m
Deal found 8/17![British Airways logo]()
$847
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:53 pm -
2 stops29h 07m
Fri 12/111:35 pm -
2 stops38h 09m
Deal found 8/17![United Airlines logo]()
$857
This Expedia deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am -
2 stops19h 45m
Mon 12/76:00 pm -
2 stops26h 52m
Deal found 8/19![Iberia logo]()
$866
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:19 pm -
1 stop15h 31m
Wed 10/211:20 pm -
1 stop18h 23m
Deal found 8/17![Delta logo]()
$873
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:52 pm -
1 stop15h 28m
Tue 10/206:40 am -
2 stops20h 01m
Deal found 8/16![United Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2910:59 pm -
1 stop24h 41m
Wed 1/1310:35 am -
2 stops20h 39m
Deal found 8/20![Delta logo]()
$878
This Condor deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:20 pm -
2 stops19h 50m
Sun 10/118:00 am -
2 stops24h 40m
Deal found 8/20![Multiple Airlines logo]()
$881
This Iberia deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:25 am -
1 stop14h 45m
Wed 10/2810:40 am -
1 stop16h 04m
Deal found 8/19![Iberia logo]()
$887
This Icelandair deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:05 am -
2 stops19h 35m
Tue 11/1012:25 pm -
2 stops18h 15m
Deal found 8/16![Multiple Airlines logo]()
$894
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 August 20, 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 August 20, 2026.
This Condor deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:20 pm -
2 stops19h 50m
Sun 10/118:00 am -
2 stops24h 40m
Deal found 8/20![Multiple Airlines logo]()
$881
This Air France deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop16h 40m
Sun 12/1310:50 am -
1 stop16h 41m
Deal found 8/15![Air France logo]()
$973
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/217:00 am -
1 stop21h 15m
Mon 9/283:15 pm -
1 stop16h 34m
Deal found 8/18![United Airlines logo]()
$1,015
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:00 pm -
1 stop29h 50m
Sun 10/116:10 am -
2 stops25h 33m
Deal found 8/20![Delta logo]()
$1,034
This British Airways deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:25 am -
1 stop14h 45m
Tue 10/1310:45 am -
1 stop16h 59m
Deal found 8/16![British Airways logo]()
$1,061
This Condor deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:35 pm -
2 stops20h 35m
Thu 10/18:00 am -
2 stops21h 57m
Deal found 8/15![Multiple Airlines logo]()
$916
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:00 am -
2 stops18h 00m
Sat 10/106:40 am -
2 stops25h 09m
Deal found 8/19![United Airlines logo]()
$1,072
This Air France deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:00 am -
1 stop16h 40m
Sat 12/1210:50 am -
1 stop17h 51m
Deal found 8/15![Air France logo]()
$1,194
This Icelandair deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/54:16 pm -
2 stops35h 59m
Tue 1/1912:25 pm -
2 stops18h 20m
Deal found 8/20![Multiple Airlines logo]()
$1,121
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am -
1 stop20h 10m
Fri 9/251:20 pm -
1 stop18h 20m
Deal found 8/19![Delta logo]()
$1,234
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:00 am -
3 stops43h 35m
Tue 12/221:15 pm -
2 stops40h 45m
Deal found 8/17![United Airlines logo]()
$1,210
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:00 am -
2 stops18h 20m
Fri 9/253:45 pm -
1 stop16h 14m
Deal found 8/17![United Airlines logo]()
$1,294
Last-minute flights from Ontario to Barcelona-El PratDiscover last-minute flight deals from Ontario to Barcelona-El Prat. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Barcelona-El Prat. Data last updated August 20, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:47 am -
2 stops26h 23m
Tue 9/18:00 am -
2 stops23h 37m
Deal found 8/16![Multiple Airlines logo]()
$925
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:12 am -
2 stops29h 58m
Mon 9/218:00 am -
2 stops21h 57m
Deal found 8/16![Multiple Airlines logo]()
$955
This Condor deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/134:35 pm -
2 stops20h 35m
Thu 10/18:00 am -
2 stops21h 57m
Deal found 8/15![Multiple Airlines logo]()
$916
This Expedia deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Thu 9/177:12 am -
2 stops29h 58m
Wed 9/308:00 am -
2 stops21h 57m
Deal found 8/18![Multiple Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 9/217:00 am -
1 stop21h 15m
Fri 10/23:15 pm -
1 stop16h 34m
Deal found 8/18![United Airlines logo]()
$965
This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am -
1 stop21h 15m
Wed 10/78:00 am -
2 stops21h 58m
Deal found 8/20![United Airlines logo]()
$968
This Orbitz deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:25 am -
1 stop16h 45m
Tue 10/610:45 am -
1 stop22h 07m
Deal found 8/18![Iberia logo]()
$938
This Justfly.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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.
Tue 9/2910:25 am -
1 stop14h 45m
Tue 10/610:45 am -
1 stop22h 07m
Deal found 8/18![British Airways logo]()
$956
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:52 am -
2 stops22h 18m
Wed 10/71:20 pm -
1 stop18h 23m
Deal found 8/16![Delta logo]()
$969
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 August 20, 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 August 20, 2026.
This Expedia deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:25 am -
1 stop14h 45m
Deal found 8/16![British Airways logo]()
$400
This FlightHub deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:43 pm -
2 stops22h 47m
Deal found 8/20![British Airways logo]()
$406
This Despegar deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Despegar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:18 pm -
1 stop15h 32m
Deal found 8/17![KLM logo]()
$408
This Expedia deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
1 stop16h 35m
Deal found 8/16![British Airways logo]()
$410
This Justfly.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:25 am -
1 stop14h 45m
Deal found 8/17![British Airways logo]()
$411
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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 10/197:00 am -
2 stops16h 20m
Deal found 8/18![United Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:16 pm -
1 stop35h 24m
Deal found 8/16![Delta logo]()
$415
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:16 pm -
2 stops18h 39m
Deal found 8/17![Delta logo]()
$416
This British Airways deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:25 am -
1 stop14h 45m
Deal found 8/17![British Airways logo]()
$417
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:00 am -
2 stops24h 15m
Deal found 8/17![United Airlines logo]()
$418
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:25 am -
2 stops39h 10m
Deal found 8/16![Air Canada logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:10 am -
2 stops18h 45m
Deal found 8/17![United Airlines logo]()
$420
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 August 20, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $844 (Icelandair) |
One-way from | $400 (Expedia) |
Popular in | December |
Cheapest in | November |
Average price | $991 |
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 7,457,451 searches. Data last updated August 20, 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 Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Sun 10/4
5:20 pm-10:10 pm
2 stops19h 50m
Barcelona-El Prat
Sun 10/11
8:00 am-11:40 pm
2 stops24h 40m
$881
OntarioBarcelona
ONT Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Sun 9/13
4:35 pm-10:10 pm
2 stops20h 35m
Barcelona-El Prat
Thu 10/1
8:00 am-8:57 pm
2 stops21h 57m
$916
OntarioBarcelona
ONT Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Thu 12/3
7:00 am-8:40 am
1 stop16h 40m
Barcelona-El Prat
Sun 12/13
10:50 am-6:31 pm
1 stop16h 41m
$973
OntarioBarcelona
ONT Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Mon 9/21
7:00 am-1:15 pm
1 stop21h 15m
Barcelona-El Prat
Mon 9/28
3:15 pm-10:49 pm
1 stop16h 34m
$1,015
OntarioBarcelona
ONT Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Sun 10/4
10:00 pm-12:50 pm
1 stop29h 50m
Barcelona-El Prat
Sun 10/11
6:10 am-10:43 pm
2 stops25h 33m
$1,034
Quickest round-trip
OntarioBarcelona
ONT Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Tue 9/29
10:25 am-10:10 am
1 stop14h 45m
Barcelona-El Prat
Tue 10/13
10:45 am-6:44 pm
1 stop16h 59m
$1,061
OntarioBarcelona
ONT Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Sat 10/3
5:00 am-8:00 am
2 stops18h 00m
Barcelona-El Prat
Sat 10/10
6:40 am-10:49 pm
2 stops25h 09m
$1,072
OntarioBarcelona
ONT Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Tue 1/5
4:16 pm-1:15 pm
2 stops35h 59m
Barcelona-El Prat
Tue 1/19
12:25 pm-9:45 pm
2 stops18h 20m
$1,121
OntarioBarcelona
ONT Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Thu 12/3
7:00 am-8:40 am
1 stop16h 40m
Barcelona-El Prat
Sat 12/12
10:50 am-7:41 pm
1 stop17h 51m
$1,194
OntarioBarcelona
ONT Ontario - BCN Barcelona-El Prat
ONTBCN
Ontario
Tue 12/15
5:00 am-9:35 am
3 stops43h 35m
Barcelona-El Prat
Tue 12/22
1:15 pm-9:00 pm
2 stops40h 45m
$1,210
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 August.
| 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.
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 August 20, 2026.
Read reviews from past customers who have flown United Airlines and British 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.
Boarding
7.7
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Entertainment
7.1
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from Ontario to 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
El Prat de Llobregat
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Top 2 airlines flying from Ontario to Barcelona-El Prat
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$820 | Average$1,181 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$874 | Average$1,119 | FlexibilityNo cancel fee | On-time69% |