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$856+ Cheap flights from Santiago de Compostela (SCQ) to Ontario (ONT)

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SCQ — ONT
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Santiago de Compostela to Ontario

Cheapest flights from Santiago de Compostela to Ontario
Explore the most affordable flight options available from Santiago de Compostela to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Iberia deal was found by Cheapflights users on 1/25. 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.
Thu 2/269:45 pm
SCQ
-
ONT
2 stops33h 44m
Iberia
Mon 3/27:00 am
ONT
-
SCQ
2 stops21h 05m
Iberia
Deal found 1/25$856
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 2/261:45 pm
SCQ
-
ONT
2 stops53h 21m
American Airlines
Mon 3/27:00 am
ONT
-
SCQ
2 stops21h 05m
American Airlines
Deal found 1/26$1,136
This British Airways deal was found by Cheapflights users on 1/26. 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.
Thu 3/129:45 pm
SCQ
-
ONT
2 stops31h 39m
Multiple Airlines
Tue 3/1710:56 am
ONT
-
SCQ
2 stops18h 09m
Multiple Airlines
Deal found 1/26$1,856
This British Airways deal was found by Cheapflights users on 1/25. 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.
Thu 9/31:45 pm
SCQ
-
ONT
2 stops19h 23m
Multiple Airlines
Thu 9/108:45 am
ONT
-
SCQ
2 stops19h 20m
Multiple Airlines
Deal found 1/25$4,601

Find flight deals from Santiago de Compostela to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Santiago de Compostela (SCQ) to Ontario (ONT). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$856
(Iberia)
Provider with most accurate pricing for Santiago de Compostela-Los Angeles flight deals.
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From Santiago de Compostela to Ontario
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago de Compostela to Ontario 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 January 27, 2026.
Use the filters below to find and compare flights from Santiago de Compostela to Ontario that are best for you.

Fly from

Santiago de Compostela

Fly to

Ontario

Route

Depart

Return

Price

Santiago de CompostelaOntario

SCQ - ONT

SCQONT

Santiago de Compostela

Thu 2/26

9:45 pm-10:29 pm

2 stops33h 44m

Ontario

Mon 3/2

7:00 am-1:05 pm

2 stops21h 05m

$856

Santiago de CompostelaOntario

SCQ - ONT

SCQONT

Santiago de Compostela

Thu 2/26

1:45 pm-10:06 am

2 stops53h 21m

Ontario

Mon 3/2

7:00 am-1:05 pm

2 stops21h 05m

$1,136

Santiago de CompostelaOntario

SCQ - ONT

SCQONT

Santiago de Compostela

Thu 3/12

9:45 pm-9:24 pm

2 stops31h 39m

Ontario

Tue 3/17

10:56 am-1:05 pm

2 stops18h 09m

$1,856

Santiago de CompostelaOntario

SCQ - ONT

SCQONT

Santiago de Compostela

Sat 2/7

9:45 pm-10:08 am

2 stops21h 23m

$1,163

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Best time to book a flight from Santiago de Compostela to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Santiago de Compostela with our price prediction graph.
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 Santiago de Compostela to Ontario

What is the cheapest month to book a flight from Santiago de Compostela to Ontario?

Currently, October is the cheapest month in which you can book a flight from Santiago de Compostela to Ontario (average of $508). Flying from Santiago de Compostela to Ontario in July is currently the most expensive (average of $926). 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.

Related info for your journey

Find useful and relevant information for your journey from Santiago de Compostela to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Santiago de Compostela to Ontario?

    There are many flights that can get you from Santiago de Compostela to Ontario in 33h 44m. Fly via Iberia or American Airlines to get the fastest option. There are 5491 mi between Santiago de Compostela and Ontario. This flight may include one or multiple stops.

  • Can I find deals for flights from Santiago de Compostela to Ontario that include hotel bookings?

    Yes. In addition to deals on Santiago de Compostela to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santiago de Compostela to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santiago de Compostela to Ontario.

  • Can I find deals for business class flights from Santiago de Compostela to Ontario?

    Yes. Cheapflights offers flight deals from Santiago de Compostela to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santiago de Compostela to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Santiago de Compostela to Ontario (average of $508). Flying from Santiago de Compostela to Ontario in July is currently the most expensive (average of $926). 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.

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