Madrid to Ontario flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Madrid to Ontario is €487 (checked on 1 Nov 2026).
Your next trip, last seen at €487
Lowest observedWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €487, departing 21 Jan 2027 (Last checked: 1 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 148Check live prices for this route
- Round trip
- €821, departing 29 Apr 2027, back 20 May 2027 (Last checked: 29 Oct 2026)
- Airlines seen
- American Airlines, Avianca, Iberia
- Typical journey time
- 15h 07m
About this route
Explore the fares we observed from Madrid to Ontario. Prices move often, so pick your dates to see the latest options.
- Route distance
- 9,324 km
- Typical journey time
- 15h 07m
- Seen on fares with a connection
- American Airlines, Avianca, Iberia
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Madrid–Barajas (MAD) → Madrid, city gazetteer reference point (40.4167, -3.7003): ≈ 13 km.
- Ontario International Airport (ONT) → Ontario, city gazetteer reference point (34.0500, -117.6400): ≈ 4 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Madrid to Ontario: January 2027, from €487 (checked 1 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €803 | 9 |
| December 2026 | €524 | 31 |
| January 2027 | €487 | 31 |
| February 2027 | €487 | 28 |
| March 2027 | €487 | 31 |
| April 2027 | €487 | 17 |
Lowest fare by day of the week
Cheapest day of the week from Madrid to Ontario: Tuesday, from €487 (checked 1 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €489 | 21 |
| Tuesday | €487 | 21 |
| Wednesday | €489 | 21 |
| Thursday | €487 | 21 |
| Friday | €510 | 21 |
| Saturday | €487 | 22 |
| Sunday | €489 | 21 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Madrid to Ontario by days until departure (61 days or more): €487 (checked 1 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €783 | 11 |
| 31 to 60 days | €524 | 30 |
| 61 days or more | €487 | 107 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Madrid to Ontario: Avianca, from €487 (checked 1 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Avianca | €487Jan 21, 2027 | 6 |
| American Airlines | €493Jan 21, 2027 | 6 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Madrid to Ontario?
The lowest fare Routavio has observed is €487, found on 1 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Madrid to Ontario?
Cheapest month from Madrid to Ontario: January 2027, from €487 (checked 1 Nov 2026).
Are there direct flights from Madrid to Ontario?
Our data holds no non-stop flight from Madrid to Ontario. The fares on this page include at least one stop.
Which airlines fly from Madrid to Ontario?
Routavio has seen these carriers on the route: American Airlines, Avianca, Iberia.
How many of the observed Madrid to Ontario fares were non-stop?
None of the 3 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Madrid to Ontario?
Cheapest round trip: €821, departing 29 Apr 2027, back 20 May 2027 (checked 29 Oct 2026).
Which day of the week is cheapest from Madrid to Ontario?
Cheapest day of the week from Madrid to Ontario: Tuesday, from €487 (checked 1 Nov 2026).
Which airline has the lowest fare from Madrid to Ontario?
Cheapest airline from Madrid to Ontario: Avianca, from €487 (checked 1 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.