$323+ Cheap flights from Ontario (ONT) to Madrid, Spain (MAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Oct 4 — Oct 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Madrid 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 Madrid
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to MadridExplore the most affordable flight options available from Ontario to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Ontario to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/2710:25 am -
1 stop13h 40m
Tue 10/133:55 pm -
1 stop16h 57m
Deal found 9/3![American Airlines logo]()
$702
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/237:05 am -
1 stop17h 40m
Thu 11/2612:20 pm -
1 stop16h 29m
Deal found 9/4![Delta logo]()
$712
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/237:05 am -
1 stop17h 40m
Wed 12/96:05 am -
2 stops20h 10m
Deal found 9/4![Delta logo]()
$713
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/225:04 pm -
2 stops29h 16m
Thu 11/269:20 am -
2 stops34h 48m
Deal found 9/4![Delta logo]()
$716
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/2711:54 am -
2 stops22h 21m
Tue 10/136:00 am -
2 stops20h 12m
Deal found 9/3![Delta logo]()
$717
This KLM deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:20 am -
2 stops20h 50m
Fri 10/239:50 am -
1 stop17h 32m
Deal found 9/1![KLM logo]()
$720
This Expedia deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am -
1 stop15h 10m
Wed 11/181:30 pm -
1 stop19h 16m
Deal found 9/1![Iberia logo]()
$735
This Trip.com deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/236:00 am -
1 stop17h 05m
Wed 12/91:00 pm -
1 stop19h 46m
Deal found 9/4![Iberia logo]()
$741
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:05 am -
1 stop17h 40m
Wed 12/212:20 pm -
1 stop17h 39m
Deal found 8/30![Delta logo]()
$742
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:17 pm -
2 stops19h 28m
Wed 9/169:50 am -
1 stop19h 34m
Deal found 8/30![Delta logo]()
$746
Best flights from Ontario to MadridDiscover carefully curated flight deals from Ontario to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Ontario to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 1/36:00 am -
2 stops24h 20m
Thu 1/216:05 am -
2 stops19h 07m
Deal found 9/2![Delta logo]()
$722
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 3/15:00 am -
2 stops19h 15m
Fri 3/511:15 am -
2 stops20h 51m
Deal found 9/3![United Airlines logo]()
$773
This KLM deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2912:00 pm -
1 stop14h 45m
Thu 2/41:55 pm -
1 stop17h 19m
Deal found 8/30![KLM logo]()
$819
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
2 stops17h 00m
Mon 11/96:05 am -
2 stops20h 51m
Deal found 8/30![United Airlines logo]()
$817
This KLM deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 11/107:05 am -
1 stop17h 40m
Tue 11/1712:20 pm -
1 stop17h 34m
Deal found 9/3![KLM logo]()
$824
This KLM deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:16 pm -
1 stop14h 59m
Fri 11/612:20 pm -
1 stop16h 10m
Deal found 9/1![KLM logo]()
$867
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2911:10 pm -
1 stop25h 35m
Sun 12/2712:20 pm -
1 stop17h 11m
Deal found 8/30![Delta logo]()
$972
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 1/46:00 am -
2 stops16h 45m
Sun 1/3111:15 am -
2 stops18h 05m
Deal found 9/3![United Airlines logo]()
$982
This KLM deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 12/37:05 am -
1 stop17h 40m
Mon 12/1412:20 pm -
1 stop18h 36m
Deal found 9/2![KLM logo]()
$924
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
2 stops15h 45m
Fri 11/1311:00 am -
2 stops18h 51m
Deal found 8/30![United Airlines logo]()
$1,031
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 1/186:00 am -
2 stops18h 15m
Sun 1/2411:15 am -
2 stops18h 05m
Deal found 8/31![United Airlines logo]()
$1,036
Last-minute flights from Ontario to MadridDiscover last-minute flight deals from Ontario to Madrid. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Madrid. Data last updated September 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:17 pm -
2 stops19h 28m
Wed 9/169:50 am -
1 stop19h 34m
Deal found 8/30![Delta logo]()
$746
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:19 pm -
1 stop14h 56m
Thu 9/249:50 am -
1 stop17h 17m
Deal found 9/1![Delta logo]()
$712
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/2710:25 am -
1 stop13h 40m
Tue 10/133:55 pm -
1 stop16h 57m
Deal found 9/3![American Airlines logo]()
$702
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/2711:54 am -
2 stops22h 21m
Tue 10/136:00 am -
2 stops20h 12m
Deal found 9/3![Delta logo]()
$717
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:20 am -
2 stops20h 00m
Fri 10/239:50 am -
1 stop21h 04m
Deal found 9/1![Delta logo]()
$766
This KLM deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:20 am -
2 stops20h 50m
Fri 10/239:50 am -
1 stop17h 32m
Deal found 9/1![KLM logo]()
$720
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:15 pm -
1 stop26h 30m
Fri 11/612:20 pm -
1 stop16h 10m
Deal found 9/4![Delta logo]()
$755
This Trip.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Fri 10/2312:16 pm -
1 stop14h 59m
Fri 11/612:20 pm -
1 stop16h 10m
Deal found 9/2![Multiple Airlines logo]()
$763
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
2 stops27h 45m
Thu 11/126:05 am -
2 stops24h 52m
Deal found 9/1![Delta logo]()
$767
One-way flights from Ontario to MadridSearch for one-way flight options from Ontario to Madrid. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Ontario to Madrid. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This KLM deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/2012:16 pm -
1 stop14h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![KLM logo]()
$323
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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 11/81:27 pm -
2 stops18h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:07 am -
1 stop18h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$326
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:07 am -
1 stop20h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:15 pm -
1 stop25h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/149:45 am -
2 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$338
This Priceline deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” 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.
Wed 11/116:00 am -
1 stop17h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![British Airways logo]()
$343
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/76:00 pm -
2 stops36h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Delta logo]()
$345
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:43 pm -
2 stops15h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![American Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:00 pm -
2 stops50h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Delta logo]()
$351
This Air Canada deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Tue 11/175:00 am -
2 stops18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Air Canada logo]()
$352
Find flight deals from Ontario to Madrid
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Madrid (MAD). 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 September 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $702 (American Airlines) |
One-way from | $323 (KLM) |
Popular in | June |
Cheapest in | August |
Average price | $905 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Madrid 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 September 4, 2026.
Use the filters below to find and compare flights from Ontario to Madrid that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Tue 10/20
7:07 am-12:15 pm
1 stop20h 08m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$329
Quickest round-trip
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Sun 10/18
12:16 pm-12:15 pm
1 stop14h 59m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$329
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Mon 2/22
7:00 am-9:45 am
1 stop17h 45m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$329
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Wed 2/24
6:45 am-9:15 am
2 stops17h 30m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$355
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Sun 11/15
7:00 am-9:15 am
2 stops17h 15m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$355
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Sun 11/1
5:00 am-9:15 am
2 stops19h 15m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$355
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Mon 11/9
7:05 am-9:45 am
1 stop17h 40m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$355
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Wed 11/11
7:00 am-7:45 am
2 stops15h 45m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$355
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Fri 2/26
7:00 am-9:45 am
1 stop17h 45m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
OntarioMadrid
ONT Ontario - MAD Madrid Barajas
ONTMAD
Ontario
Thu 11/26
7:05 am-9:45 am
1 stop17h 40m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$379
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Ontario to Madrid
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 Madrid in September.
| 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 Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Ontario-Madrid flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-Madrid flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Ontario-Madrid flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Madrid 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-Madrid 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 Madrid
Have a flexible travel schedule? Discover the best time to fly to Madrid from Ontario with our price prediction graph.
ONT-MAD
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 Madrid
What is the cheapest month to book a flight from Ontario to Madrid?
Currently, August is the cheapest month in which you can book a flight from Ontario to Madrid (average of $490). Flying from Ontario to Madrid in June is currently the most expensive (average of $1,889). 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.
How much does it cost to fly round-trip from Ontario to Madrid?
Airfare is typical for this route at the moment.
Ontario to Madrid flights typically cost between $657 and $931 in September.The cheapest round-trip price found within the last 5 days was $702 on American Airlines (Sep 27-Oct 13).
Reviews of airlines servicing Madrid
Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated September 4, 2026.
Read through reviews of airlines operating flights from Ontario to Madrid, such as American Airlines,Iberia, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.5
Overall
7.1
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Boarding
7.5
Overall
7.1
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Boarding
7.5
Overall
7.1
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Boarding
7.5
Overall
7.1
Comfort
7.2
Crew
7.9
Entertainment
6.8
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Madrid. 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 Madrid?
Book flights to Madrid if you plan to visit one of these locationsGetafe
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.
Alternative routes
Complete your trip
Flights by cabin class
Madrid flight routes
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Madrid
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Madrid by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Madrid by cabin class
Find flights from Ontario to Madrid, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Madrid
Explore flights to Madrid departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Ontario and Madrid flights
Browse other Ontario and Madrid flight options. Last updated on September 4, 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 September 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Ontario to Madrid
Discover the top 3 airlines that operate flights from Ontario to Madrid. 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$439 | Average$931 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$474 | Average$855 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$539 | Average$773 | FlexibilityNo cancel fee | On-time77% |