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$387+ Cheap flights from Stillwater to Ontario (SWO - ONT)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
SWO — ONT
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Cheap flight deals from Stillwater to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Stillwater (SWO) 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 August 11, 2025.

Round-trip from

$493
(American Airlines)

One-way from

$387
(American Airlines)
From Stillwater Searcy Fld to Ontario
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One-way flight from Stillwater Searcy Fld to Ontario
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Find flight deals from Stillwater to Ontario

Cheapest flights from Stillwater to Ontario
Explore the most affordable flight options available from Stillwater to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2025.

This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/132:30 pmSWO - ONT
1 stop6h 24mAmerican Airlines
Tue 9/1612:47 pmONT - SWO
1 stop7h 50mAmerican Airlines
Deal found 8/10$493
This American Airlines deal was found by Cheapflights users on 8/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:00 amSWO - ONT
1 stop7h 55mAmerican Airlines
Tue 9/162:54 pmONT - SWO
1 stop5h 43mAmerican Airlines
Deal found 8/10$842

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stillwater 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 August 11, 2025.
Use the filters below to find and compare flights from Stillwater to Ontario that are best for you.

Fly from

Stillwater

Fly to

Ontario

Route

Depart

Return

Price

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Sat 9/13

2:30 pm-6:54 pm

1 stop6h 24m

Ontario

Tue 9/16

12:47 pm-10:37 pm

1 stop7h 50m

$493

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Sun 9/14

6:00 am-11:55 am

1 stop7h 55m

Ontario

Tue 9/16

2:54 pm-10:37 pm

1 stop5h 43m

$842

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Wed 12/24

2:29 pm-5:48 pm

1 stop5h 19m

$387

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Tue 12/23

2:29 pm-8:37 am

2 stops20h 08m

$453

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Mon 9/1

6:00 am-11:52 am

1 stop7h 52m

$456

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Thu 12/25

6:00 am-5:54 pm

2 stops13h 54m

$495

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Fri 12/26

2:29 pm-5:48 pm

1 stop5h 19m

$496

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Sat 12/27

6:00 am-11:30 am

1 stop7h 30m

$518

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Mon 12/22

6:00 am-11:30 am

1 stop7h 30m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Best time to book a flight from Stillwater to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Stillwater to Ontario (average of $246). Flying from Stillwater to Ontario in March is currently the most expensive (average of $328). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated August 11, 2025.
Read through reviews of airlines operating flights from Stillwater to Ontario, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.5

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

Related info for your journey

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

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

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

  • How can I find direct flights from Stillwater to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Stillwater 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 Stillwater to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Stillwater to Ontario (average of $246). Flying from Stillwater to Ontario in March is currently the most expensive (average of $328). 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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