ONT - MAD

$443 Find Cheap Flights from Ontario to Madrid

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Madrid departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Madrid

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Madrid, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Madrid, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$542
Overall average: $883
British Airways
Tue 4/14Fri 4/24
ONT - MAD • 2 stops
Cheapest one-way
$443
United Airlines
Tue 4/14
ONT - MAD • 2 stops
Top airlines
British Airways
Cheapest • from $542 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Ontario and Madrid. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Lisbon (LIS)
Cheapest • Avg $713 (round-trip)
Dallas (DFW)
Shortest trip • 14h 51m (one-way)
Insights
Insights
Insights
Insights
When to travel
October
Cheapest • 38% price drop
September
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Madrid!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Madrid (ONT-MAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Madrid that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Madrid

Tue, Apr 14 - Fri, Apr 24
British Airways Logo
2:08 pm - 5:30 pm
ONT
-
MAD
18h 22m
2 stops
British Airways Logo
10:25 am - 9:07 pm
MAD
-
ONT
19h 42m
1 stop
$542British Airways
Tue, Apr 14 - Tue, Apr 28
United Airlines Logo
7:00 am - 8:05 am
ONT
-
MAD
16h 05m
2 stops
United Airlines Logo
10:50 am - 9:50 pm
MAD
-
ONT
20h 00m
2 stops
$550United Airlines
Tue, Apr 14 - Fri, Apr 24
British Airways Logo
2:08 pm - 5:30 pm
ONT
-
MAD
18h 22m
2 stops
British Airways Logo
12:10 pm - 9:59 pm
MAD
-
ONT
18h 49m
2 stops
$553British Airways
Tue, Apr 14 - Fri, Apr 24
British Airways Logo
2:08 pm - 5:30 pm
ONT
-
MAD
18h 22m
2 stops
British Airways Logo
10:35 am - 9:59 pm
MAD
-
ONT
20h 24m
2 stops
$554British Airways
Wed, Apr 15 - Tue, Apr 28
Delta Logo
12:49 pm - 12:15 pm
ONT
-
MAD
14h 26m
1 stop
Delta Logo
6:00 am - 5:15 pm
MAD
-
ONT
20h 15m
2 stops
$572Delta
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
11:59 pm - 9:05 am
ONT
-
MAD
24h 06m
1 stop
British Airways Logo
10:25 am - 8:27 pm
MAD
-
ONT
19h 02m
1 stop
$573British Airways
Mon, Apr 13 - Wed, Apr 29
United Airlines Logo
7:00 am - 8:05 am
ONT
-
MAD
16h 05m
2 stops
United Airlines Logo
5:55 am - 10:45 pm
MAD
-
ONT
25h 50m
2 stops
$575United Airlines
Mon, Apr 20 - Wed, Apr 29
United Airlines Logo
5:10 am - 9:00 am
ONT
-
MAD
18h 50m
2 stops
United Airlines Logo
12:45 pm - 10:35 pm
MAD
-
ONT
42h 50m
2 stops
$579United Airlines
Tue, Apr 14 - Wed, Apr 22
British Airways Logo
2:08 pm - 5:30 pm
ONT
-
MAD
18h 22m
2 stops
British Airways Logo
10:25 am - 9:07 pm
MAD
-
ONT
19h 42m
1 stop
$580British Airways
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
2:08 pm - 5:30 pm
ONT
-
MAD
18h 22m
2 stops
British Airways Logo
9:00 pm - 6:30 pm
MAD
-
ONT
30h 30m
2 stops
$585British Airways
Booking Insights

KAYAK's insights & trends for Ontario to Madrid flights

Get data-powered insights and trends into flights from Ontario to Madrid to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Ontario to Madrid?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Madrid, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to Madrid is October, where tickets cost $497 (return) on average. On the other hand, the most expensive months are May and June, where the average cost of round-trip tickets is $1,354 and $1,295 respectively.

Good to know

Low seasonNovember
Cheapest flight$443
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Ontario to Madrid

When to book flights from Ontario to Madrid

Are your dates flexible? Find out the best times to travel from Ontario to Madrid based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Madrid

  • What is the cheapest flight from Ontario to Madrid?

    In the last 3 days, the lowest price for a flight from Ontario to Madrid was $443 for a one-way ticket and $542 for a round-trip.

  • Do I need a passport to fly between Ontario and Madrid?

    A passport is required to fly from Ontario to Madrid.

  • Which aircraft models fly most regularly from Ontario to Madrid?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Madrid?

    SkyTeam, and oneworld are the airline alliances operating flights between Ontario and Madrid, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Ontario to Madrid, Delta or American Airlines?

    The two airlines most popular with KAYAK users for flights from Ontario to Madrid are Delta and American Airlines. With an average price for the route of $873 and an overall rating of 7.9, Delta is the most popular choice. American Airlines is also a great choice for the route, with an average price of $936 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Ontario to Madrid?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Madrid.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Madrid?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Madrid from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Madrid?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Madrid with an airline and back to Ontario with another airline. Booking your flights between Ontario and MAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Madrid?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Madrid from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Ontario to Madrid

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Madrid. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to Madrid? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8270 reviews
7.8Entertainment
8.5Crew
8.1Boarding
7.9Comfort
7.2Food
Airline reviews

Flight was delayed by 3-hours and their fix was… complimentary pretzels.

4.0 OkayJahmes, Feb 2026
LAX - MCO
Read more Delta reviews

Flight was delayed by 3-hours and their fix was… complimentary pretzels.

The crew, and fellow passengers, were super gracious and kind. There seemed to be plenty of bin space even though the plane was full. It’s nice to get a glass of wine with dinner in Premiere seating, and there was a lot of food.

Everything I mentioned earlier - the airbus was more comfortable indeed and the experience was further enhanced.

The plane was an older model, so it wasn’t as comfortable as others. The flight attendants were not helpful during onboarding. It was a full flight so there was chaos finding space for baggage.

Awesome! On time flight, early arrival, and a complimentary upgrade!

It was nt delta. It was aeromexo. Service was awful. They served a very small drink and NO snack for a 3hr and 35min flight. Then for the first 30 min of the flight is was talk and talk over head interruption the movie/ show i picked to watch.

Delta One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

Delta’s staff is unmatched. From the gate agents, to the pilots, to the flight attendants… all top of the industry.

The flight was delayed for about 2 hrs. Other than it, it was good.

I am extremely disappointed that delta internal pilot manuals now refer to the Gulf of Mexico as the “gulf of America”. You can bow down to the Orange turd on your own. I will never fly delta again

They are rarely on time! Very hard to plan your travels when flights or connections keep getting delayed.

My seat was assigned last row behind restrooms No legroom’s I’m very Pettit Still was not comfortable Food choice was excellent

The worst Airline ever. They centered my second flight and leave me in NY. They don’t have any representatives at the airport and they don’t respond to calls. Basically I got stuck. I will never purchase through there again.

The chicken wrap was tiny ($13 for what looked like a 1/3 of a normal wrap?) and disgusting.

Mediocre would be best description. Food bland. Seat biz class uncomfortable to sleep. Crew never dimmed lights completely in an overnight flight to Europe. Would avoid AA if possible.

Small plane, poor meal choices for first class, bad terminal and boarding experience at LAX

Massimo, flight attendant was very authentic, attentive - wonderful. Food/wrap was just okay.

Experience was great. The best part is the free Wi-Fi connection which helps me to work on the flight

The flight was fine. It's the satellite terminal that supports American eagle flights is what sucks. There is only one food option and everything there is way overpriced. I mean I know it's airport pricing, but it's even crazier than that. I bought a sandwich in a plastic container for $18.

The flight was really crowded. Flight attendants were just ok.

Awful. They didn't even show concern that her connecting flight( Dallas to Mardrid) was gone/missing. I don't understand how that is even possible. Rudest answer from one of the crew was that American Airlines sold the tickets to somebody else. My daughter was not in the list.

Really like the idea experience on this airline I will use again

The pilot was professional and very good. The flight crew, very young and often looked flustered and overwhelmed. The seats were among the most uncomfortable in the air. The boarding somewhat chaotic. The price reasonable. Overall it was an average budget airline experience...although Iberia is not a budget airline. I fear if Iberia doesn't up it's game customers like us will go elsewhere.

It was fine, older plane with limited entertainment, otherwise fine.

the seats were so cramped you could barely move. it was difficult to eat when passengers would recline their seats. the seats were so flimsy and unstable that whenever someone got in and out of their seat, it bounced like a spring back in your face. the movies were nice. the food was terrible. even though the conditions were terrible, they tried to pressure passengers to relocate their seats to accommodate adults who were related and wanted to sit next to each other, even after the passengers expressed that they did not want to move for that purpose. on the connecting flight, the “service” consisted of items for purchase. even though the flight was only 45 minutes, once again passengers (including me) were pressured to relocate for people to sit next to each other. they couldn’t be apart for 45 minutes? this was much less compelling than being apart for an 8 hour flight.

Everything went smoothly, and we even arrived 40min earlier than scheduled, on an Orland-Madrid route.

The staff was very nice and helpful. Some of the best crew I have met.

Bad experience. The seat room are very tight. The food is not good and the breakfast has no hot drink.

Excellent. Thanks to United Star Alliance, since economy was overbooked, I’m grateful to have been upgraded to Business Class.

Good plane, excellent food, crew and entertainment. Seats in business could use an upgrade

The luggage problem I previously mentioned was actually this flight

They had us seating down for one hour just waiting on the plane

Flying with BA is always a good experience—even in economy class. It is better if in business and first class. Timely, breeze through security and timely connections

The issue was not with BA it was with the link yoiu sent fopr booking the flight

Loved the boarding option from Business class lounge, experience on flight was excellent, plenty of good food choices

Getting the boarding passes between the BA and AA apps was very clunky.

The plane was dirty the food was awful and the boarding process took too long

Awful it always is unfortunately is the only way to fly direct to london

Check in was was and the agent was very friendly and helpful The lounge was nice...boarding was straight from the lounge Everything worked at our seats, and video entertainment was good ..food was mediocre

Airlines have to stop assuming passengers bring entertainment. Provide it like you used to in business class and above!! N

Everything you need to know for your flight from Ontario to Madrid

Information on your arrival and departure airports