HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint George

$175+ Cheap flights from Ontario to Saint George (ONT - SGU)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SGU
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Saint George 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 Saint George

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Saint George (SGU). 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 junio 12, 2025.

Round-trip from

$323
(Delta)

One-way from

$175
(Delta)

Popular in

August

Cheapest in

January

Average price

$388
From Ontario to Saint George
Search Deals
One-way flight from Ontario to Saint George
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ontario to Saint George

Cheapest flights from Ontario to Saint George
Explore the most affordable flight options available from Ontario to Saint George. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
jue. 7/101:15 pmONT - SGU
1 stop4h 20mDelta
mié. 7/169:00 amSGU - ONT
1 stop4h 14mDelta
Deal found 6/10$323
This American Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 9/196:10 amONT - SGU
1 stop27h 48mAmerican Airlines
dom. 9/217:00 pmSGU - ONT
1 stop48h 11mAmerican Airlines
Deal found 6/11$348
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 7/95:05 amONT - SGU
1 stop16h 52mUnited Airlines
mié. 7/161:48 pmSGU - ONT
1 stop8h 06mUnited Airlines
Deal found 6/11$497

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Saint George 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 junio 12, 2025.
Use the filters below to find and compare flights from Ontario to Saint George that are best for you.

Fly from

Ontario

Fly to

Saint George

Route

Depart

Return

Price

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

jue. 7/10

1:15 pm-6:35 pm

1 stop4h 20m

Saint George

mié. 7/16

9:00 am-12:14 pm

1 stop4h 14m

$323

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

vie. 9/19

6:10 am-10:58 am

1 stop27h 48m

Saint George

dom. 9/21

7:00 pm-6:11 pm

1 stop48h 11m

$348

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

mié. 7/9

5:05 am-10:57 pm

1 stop16h 52m

Saint George

mié. 7/16

1:48 pm-8:54 pm

1 stop8h 06m

$497

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

mar. 7/15

9:44 am-2:40 pm

1 stop3h 56m

$175

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

jue. 7/3

4:50 pm-12:12 am

1 stop6h 22m

$225

OntarioSaint George

ONT - SGU

ONTSGU

Ontario

lun. 11/10

5:40 am-10:17 pm

1 stop15h 37m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Ontario to Saint George

Have a flexible travel schedule? Discover the best time to fly to Saint George from Ontario 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 Ontario to Saint George

What is the cheapest month to book a flight from Ontario to Saint George?

Currently, November is the cheapest month in which you can book a flight from Ontario to Saint George (average of $323). Flying from Ontario to Saint George in May is currently the most expensive (average of $501). 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.

What is the cheapest time of day to fly from ONT to SGU?

Find hourly flight availability from Ontario to Saint George. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

One of the essential ways to save on airfare from Ontario to Saint George is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 2% on airfare.

Reviews of airlines servicing Saint George

Get insights into the airlines that provide service to Saint George. 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 Saint George. Reviews last updated junio 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Ontario to Saint George. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines flying from Ontario to Saint George round-trip?

    Cheapflights users have booked flights from Ontario to Saint George round-trip from $323. Other airlines that can offer you cheap pricing are American Airlines, from $348, and United Airlines, from $497.

  • What are the cheapest airlines to fly from Ontario to Saint George one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $175. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Ontario to Saint George for a low price.

  • Can I find deals for flights from Ontario to Saint George that include hotel bookings?

    Yes. In addition to deals on Ontario to Saint George flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Saint George?

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

  • Can I find deals for business class flights from Ontario to Saint George?

    Yes. Cheapflights offers flight deals from Ontario to Saint George 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 Ontario to Saint George?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Saint George (average of $323). Flying from Ontario to Saint George in May is currently the most expensive (average of $501). 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.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Springdale
Hurricane

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 for Ontario to Saint George

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Salt Lake City flights
San Francisco to Salt Lake City flights
Burbank to Salt Lake City flights
Oakland to Salt Lake City flights
San Diego to Salt Lake City flights
Santa Ana to Salt Lake City flights
Ontario to Salt Lake City flights
San Jose to Salt Lake City flights
Long Beach to Salt Lake City flights
Sacramento to Salt Lake City flights
Reno to Salt Lake City flights
Las Vegas to Salt Lake City flights
Fresno to Salt Lake City flights
Palm Springs to Salt Lake City flights
Los Angeles to Saint George flights
Santa Barbara to Salt Lake City flights
Medford to Salt Lake City flights
San Diego to Saint George flights
San Francisco to Saint George flights
Santa Rosa to Salt Lake City flights
San Luis Obispo to Salt Lake City flights
Monterey to Salt Lake City flights
San Jose to Saint George flights
Sacramento to Saint George flights
Bakersfield to Salt Lake City flights
Santa Ana to Saint George flights
Arcata to Salt Lake City flights
San Diego to Cedar City flights
San Francisco to Cedar City flights
San Francisco to Moab flights
Las Vegas to Saint George flights
Oakland to Saint George flights
San Jose to Cortez flights
Los Angeles to Moab flights
San Francisco to Cortez flights
Long Beach to Saint George flights
Fresno to Saint George flights
Burbank to Saint George flights
Medford to Saint George flights
Mammoth Lakes to Salt Lake City flights
Ontario to Cedar City flights
Palm Springs to Vernal flights
San Jose to Moab flights
Redding to Saint George flights
Las Vegas to Moab flights
Los Angeles to Cedar City flights
Sacramento to Cortez flights
Tijuana to Salt Lake City flights

Top 2 airlines flying from Ontario to Saint George

Discover the top 2 airlines that operate flights from Ontario to Saint George. 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 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$243Average$477FlexibilityNo cancel feeOn-time71%
DeltaCheapest$303Average$518FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.