Which airports can I use when flying from Ontario to Saint George?

Flights from Ontario to Saint George usually depart from Ontario (ONT) and arrive at Saint George (SGU).

What cabin classes can I book on flights from Ontario to Saint George?

Two cabin classes are available on flights from Ontario to Saint George: • Economy Class • First Class

Which airports do connecting flights from Ontario to Saint George pass through?

Connecting flights from Ontario to Saint George most commonly pass through: • Phoenix Sky Harbor Intl (PHX) - 82% of one-stop connections • Salt Lake City (SLC) - 18% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

Can I save money by using flexible dates for flights from Ontario to Saint George?

Yes. Being flexible with your travel dates can save you up to 55% on the Ontario to Saint George route. Wednesday is the cheapest departure day at $238 round-trip on average, while Monday is the most expensive at $525, a difference of $287. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Ontario to Saint George?

There are currently no nonstop flights available from Ontario to Saint George. Flights with 1 layover take between 4h 08m and 4h 27m in total, depending on the connection.

Do I need a passport to fly from Ontario to Saint George?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Ontario to Saint George changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $358 to $1,356. That means the highest observed fare was about 4x higher than the lowest one.

How are flight prices from Ontario to Saint George looking right now?

One-way fares from Ontario to Saint George are currently higher than usual. Average one-way flight prices are about $356, which is 14% above the typical average for this route.

How much time can I save by choosing a different layover airport from Ontario to Saint George?

Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 08m, compared with 4h 27m via Phoenix Sky Harbor Intl (PHX).

What is the time difference between Ontario and Saint George?

Saint George is 1 hour ahead of Ontario (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Saint George Airport (SGU)?

Saint George Airport (SGU) hosts 5 major car rental companies, with daily rates starting from around $26 for economy cars. Top options include: · Budget · Alamo · Hertz · Enterprise Rent-A-Car · Avis

How much should I expect to pay for a Ontario to Saint George flight?

Round-trip flights from Ontario to Saint George range from $306 to $408, with an average of $356 over the past 12 months. Anything below $306 counts as a good deal.

What is the cheapest airline to fly from Ontario to Saint George?

United Airlines ($358) and Delta ($366) are the cheapest airlines to fly round-trip from Ontario to Saint George according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Ontario to Saint George?

Phoenix Sky Harbor Intl (PHX) is the most popular layover for the Ontario to Saint George route. 82% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via PHX.

What is the cheapest layover airport when flying from Ontario to Saint George?

Flights via Salt Lake City (SLC) offer the most affordable fares, with an average round-trip price of $349. Based on KAYAK data over the past 3 months.

When flying from Ontario to Saint George which airport offers the shortest layover?

Salt Lake City (SLC) had the shortest average connection time for Ontario to Saint George layovers at 157 minutes over the past 3 months.

$267 CHEAP FLIGHTS from Ontario to Saint George (ONT - SGU)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$358

Typical prices: $306-$408

United Airlines

Mon 10/15Fri 10/19

ONT - SGU • 1 stop

Cheapest one-way

$267

Typical prices: $257-$340

Delta

Mon 10/8

ONT - SGU • 1 stop

When to travel

March

Cheapest • 33% price drop

January

Most popular

Good to know

Top layover airports

Salt Lake City (SLC)

Cheapest • Avg $349 (round-trip)

Phoenix Sky Harbor Intl (PHX)

Shortest trip • 4h 27m (one-way)

Insights

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We hope you love your trip to Saint George!

Flight Deals

Cheap Flights from Ontario to Saint George (ONT-SGU)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Saint George

Fri, Oct 16 - Tue, Oct 20

1:24 pm - 10:14 pmONT Ontario-SGU Saint George

7h 50m1 stop Denver Intl

8:30 am - 12:46 pmSGU Saint George-ONT Ontario

5h 16m1 stop Denver Intl

$358United Airlines

Thu, Oct 15 - Mon, Oct 19

1:24 pm - 10:14 pmONT Ontario-SGU Saint George

7h 50m1 stop Denver Intl

1:50 pm - 8:58 pmSGU Saint George-ONT Ontario

8h 08m1 stop Denver Intl

$358United Airlines

Sat, Dec 5 - Tue, Dec 8

1:40 pm - 10:17 pmONT Ontario-SGU Saint George

7h 37m1 stop Denver Intl

8:39 am - 12:34 pmSGU Saint George-ONT Ontario

4h 55m1 stop Denver Intl

$358United Airlines

Sat, Sep 26 - Tue, Sep 29

1:22 pm - 10:14 pmONT Ontario-SGU Saint George

7h 52m1 stop Denver Intl

8:30 am - 12:46 pmSGU Saint George-ONT Ontario

5h 16m1 stop Denver Intl

$358United Airlines

Fri, Oct 9 - Mon, Oct 12

9:45 am - 4:56 pmONT Ontario-SGU Saint George

6h 11m1 stop Salt Lake City

5:50 am - 8:55 amSGU Saint George-ONT Ontario

4h 05m1 stop Salt Lake City

$366Delta

Wed, Oct 14 - Wed, Oct 21

1:24 pm - 10:14 pmONT Ontario-SGU Saint George

7h 50m1 stop Denver Intl

8:30 am - 12:46 pmSGU Saint George-ONT Ontario

5h 16m1 stop Denver Intl

$387United Airlines

Wed, Sep 16 - Sun, Sep 20

5:00 am - 1:15 pmONT Ontario-SGU Saint George

7h 15m1 stop Denver Intl

8:34 am - 12:50 pmSGU Saint George-ONT Ontario

5h 16m1 stop Denver Intl

$388United Airlines

Sun, Sep 27 - Sun, Oct 4

6:15 am - 11:00 amONT Ontario-SGU Saint George

3h 45m1 stop Phoenix Sky Harbor Intl

5:36 pm - 10:43 pmSGU Saint George-ONT Ontario

6h 07m1 stop Phoenix Sky Harbor Intl

$408American Airlines

Thu, Nov 5 - Sun, Nov 8

1:27 pm - 8:27 pmONT Ontario-SGU Saint George

6h 00m1 stop Phoenix Sky Harbor Intl

11:44 am - 3:35 pmSGU Saint George-ONT Ontario

4h 51m1 stop Phoenix Sky Harbor Intl

$430American Airlines

Thu, Nov 5 - Sun, Nov 8

6:30 am - 11:14 amONT Ontario-SGU Saint George

3h 44m1 stop Phoenix Sky Harbor Intl

11:44 am - 3:35 pmSGU Saint George-ONT Ontario

4h 51m1 stop Phoenix Sky Harbor Intl

$430American Airlines

Recent last minute flight deals from Ontario to Saint George

Sun, Sep 6 - Thu, Sep 10

10:00 am - 5:01 pmONT Ontario-SGU Saint George

6h 01m1 stop Phoenix Sky Harbor Intl

5:36 pm - 10:43 pmSGU Saint George-ONT Ontario

6h 07m1 stop Phoenix Sky Harbor Intl

$510American Airlines

Sat, Sep 5 - Mon, Sep 7

6:15 am - 11:10 amONT Ontario-SGU Saint George

3h 55m1 stop Phoenix Sky Harbor Intl

7:30 am - 12:03 pmSGU Saint George-ONT Ontario

5h 33m1 stop Phoenix Sky Harbor Intl

$615American Airlines

Wed, Sep 2 - Fri, Sep 4

6:15 am - 11:10 amONT Ontario-SGU Saint George

3h 55m1 stop Phoenix Sky Harbor Intl

11:41 am - 12:03 pmSGU Saint George-ONT Ontario

25h 22m1 stop Phoenix Sky Harbor Intl

$686American Airlines

Fri, Sep 4 - Mon, Sep 7

6:15 am - 11:10 amONT Ontario-SGU Saint George

3h 55m1 stop Phoenix Sky Harbor Intl

7:30 am - 12:03 pmSGU Saint George-ONT Ontario

5h 33m1 stop Phoenix Sky Harbor Intl

$769American Airlines

Wed, Sep 2 - Fri, Sep 4

5:00 am - 1:15 pmONT Ontario-SGU Saint George

7h 15m1 stop Denver Intl

5:24 pm - 8:01 pmSGU Saint George-ONT Ontario

27h 37m3 stops Denver Intl Seattle/Tacoma Intl San Francisco

$847United Airlines

Sat, Sep 5 - Sun, Sep 6

5:00 am - 1:10 pmONT Ontario-SGU Saint George

7h 10m1 stop Denver Intl

1:50 pm - 8:53 pmSGU Saint George-ONT Ontario

8h 03m1 stop Denver Intl

$859United Airlines

Sat, Sep 5 - Mon, Sep 7

5:00 am - 1:10 pmONT Ontario-SGU Saint George

7h 10m1 stop Denver Intl

5:00 am - 12:12 pmSGU Saint George-ONT Ontario

32h 12m2 stops Denver Intl San Francisco

$991United Airlines

Sat, Sep 5 - Sun, Sep 6

5:00 am - 1:10 pmONT Ontario-SGU Saint George

7h 10m1 stop Denver Intl

5:00 am - 12:12 pmSGU Saint George-ONT Ontario

8h 12m2 stops Denver Intl San Francisco

$997United Airlines

Sun, Sep 6 - Thu, Sep 10

1:18 pm - 10:14 pmONT Ontario-SGU Saint George

7h 56m1 stop Denver Intl

1:50 pm - 6:11 pmSGU Saint George-ONT Ontario

29h 21m2 stops Denver Intl San Francisco

$1,000United Airlines

Fri, Sep 4 - Mon, Sep 7

1:56 pm - 11:55 amONT Ontario-SGU Saint George

20h 59m2 stops San Francisco Chicago O'Hare Intl

5:00 am - 12:50 pmSGU Saint George-ONT Ontario

8h 50m1 stop Denver Intl

$1,015United Airlines

Booking Insights

Price, demand and travel trends for Ontario to Saint George flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Saint George with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Saint George?

Round-trip flights from Ontario to Saint George start at $358. Prices are typical for this route right now, with typical round-trip fares ranging from $306 to $408. The lowest price found in the past 5 days was $358 on United Airlines.

Find deals

Low season	April
High season	January
Cheapest flight	$267

Most popular time to fly with an average 42% increase in price.

Flight from Ontario to Saint George

When to book flights from Ontario to Saint George

Are your dates flexible? Find out the best times to travel from Ontario to Saint George 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.

Which airports can I use when flying from Ontario to Saint George?
Flights from Ontario to Saint George usually depart from Ontario (ONT) and arrive at Saint George (SGU).
What cabin classes can I book on flights from Ontario to Saint George?
Two cabin classes are available on flights from Ontario to Saint George:

• Economy Class
• First Class
Which airports do connecting flights from Ontario to Saint George pass through?
Connecting flights from Ontario to Saint George most commonly pass through:

• Phoenix Sky Harbor Intl (PHX) - 82% of one-stop connections
• Salt Lake City (SLC) - 18% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from Ontario to Saint George?
Yes. Being flexible with your travel dates can save you up to 55% on the Ontario to Saint George route. Wednesday is the cheapest departure day at $238 round-trip on average, while Monday is the most expensive at $525, a difference of $287. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How long is a flight from Ontario to Saint George?
There are currently no nonstop flights available from Ontario to Saint George. Flights with 1 layover take between 4h 08m and 4h 27m in total, depending on the connection.
Do I need a passport to fly from Ontario to Saint George?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Ontario to Saint George changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $358 to $1,356. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from Ontario to Saint George looking right now?
One-way fares from Ontario to Saint George are currently higher than usual. Average one-way flight prices are about $356, which is 14% above the typical average for this route.
How much time can I save by choosing a different layover airport from Ontario to Saint George?
Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 08m, compared with 4h 27m via Phoenix Sky Harbor Intl (PHX).
What is the time difference between Ontario and Saint George?
Saint George is 1 hour ahead of Ontario (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Saint George Airport (SGU)?
Saint George Airport (SGU) hosts 5 major car rental companies, with daily rates starting from around $26 for economy cars. Top options include:
· Budget
· Alamo
· Hertz
· Enterprise Rent-A-Car
· Avis
How much should I expect to pay for a Ontario to Saint George flight?
Round-trip flights from Ontario to Saint George range from $306 to $408, with an average of $356 over the past 12 months. Anything below $306 counts as a good deal.

If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $238 - about $287 less than Monday (55% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Saint George trip for March. Fares historically average $238 round-trip in that month - typically $287 less than the most expensive month, which is September (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Saint George Airport.
- Red Lion Hotel and Conference Center St. George
- St. George Inn & Suites
- Hyatt Place St George/Convention Center

Everything you need to know for your flight from Ontario to Saint George

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Ontario (ONT)

Saint George (SGU)

ONT - SGU

$267 Find Cheap Flights from Ontario to Saint George - Compare and Save

Everything you should know

Cheap Flights from Ontario to Saint George (ONT-SGU)

Recent round-trip flight deals from Ontario to Saint George

Recent one-way flight deals from Ontario to Saint George

Recent last minute flight deals from Ontario to Saint George

Price, demand and travel trends for Ontario to Saint George flights

How much is a round-trip flight from Ontario to Saint George?

What is the cheapest airline to fly from Ontario to Saint George?

What is the most popular layover airport when flying from Ontario to Saint George?

What is the cheapest layover airport when flying from Ontario to Saint George?

When flying from Ontario to Saint George which airport offers the shortest layover?

Key details for Ontario to Saint George flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Saint George

Your Ontario to Saint George flight questions, answered

Your guide to booking Ontario to Saint George flights

Everything you need to know for your flight from Ontario to Saint George

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Saint George

Complete your trip to Saint George with a hotel stay or car rental

Find direct flights to and from Ontario and Saint George

Flights to other popular destinations

Flights from domestic origins to Saint George

Choose which airport to fly into in Saint George