HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$577+ Cheap flights from Stillwater to Ontario (SWO - 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SWO — ONT
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Stillwater to Ontario 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 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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/29. 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.
Tue 2/106:00 am
SWO
-
ONT
1 stop6h 08m
American Airlines
Sat 2/142:39 pm
ONT
-
SWO
1 stop6h 20m
American Airlines
Deal found 1/29$577
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Tue 2/102:30 pm
SWO
-
ONT
1 stop6h 15m
American Airlines
Mon 2/166:00 am
ONT
-
SWO
1 stop5h 36m
American Airlines
Deal found 1/29$621
This American Airlines deal was found by Cheapflights users on 1/29. 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.
Tue 2/106:00 am
SWO
-
ONT
2 stops12h 05m
American Airlines
Sun 2/152:39 pm
ONT
-
SWO
1 stop6h 20m
American Airlines
Deal found 1/29$626
This American Airlines deal was found by Cheapflights users on 1/29. 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 2/126:00 am
SWO
-
ONT
1 stop6h 06m
American Airlines
Sun 2/152:39 pm
ONT
-
SWO
1 stop6h 20m
American Airlines
Deal found 1/29$665
This American Airlines deal was found by Cheapflights users on 1/29. 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 2/126:00 am
SWO
-
ONT
2 stops7h 28m
American Airlines
Mon 2/1612:18 pm
ONT
-
SWO
2 stops8h 41m
American Airlines
Deal found 1/29$692

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for Stillwater Searcy Fld-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Stillwater Searcy Fld-Ontario flights.
Search Deals

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 January 29, 2026.
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

Tue 2/10

6:00 am-10:08 am

1 stop6h 08m

Ontario

Sat 2/14

2:39 pm-10:59 pm

1 stop6h 20m

$577

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Wed 2/11

6:00 am-10:08 am

1 stop6h 08m

Ontario

Sat 2/14

2:39 pm-10:59 pm

1 stop6h 20m

$577

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Wed 2/11

6:00 am-10:08 am

1 stop6h 08m

Ontario

Mon 2/16

6:00 am-1:36 pm

1 stop5h 36m

$621

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Wed 2/11

2:30 pm-6:45 pm

1 stop6h 15m

Ontario

Sun 2/15

2:39 pm-10:59 pm

1 stop6h 20m

$621

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Tue 2/10

6:00 am-10:08 am

1 stop6h 08m

Ontario

Sun 2/15

6:00 am-1:36 pm

1 stop5h 36m

$621

StillwaterOntario

SWO - ONT

SWOONT

Stillwater Searcy Fld

Thu 2/12

2:25 pm-6:42 pm

1 stop6h 17m

Ontario

Sat 2/14

2:39 pm-10:59 pm

1 stop6h 20m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

  • Most accurate provider: When it comes to deals on Stillwater-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Stillwater-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Stillwater-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Stillwater-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Stillwater-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, April is the cheapest month in which you can book a flight from Stillwater to Ontario (average of $110). Flying from Stillwater to Ontario in January is currently the most expensive (average of $170). 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 Stillwater 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 Stillwater to Ontario?

    There are many flights that can get you from Stillwater to Ontario in 6h 08m. Fly via American Airlines to get the fastest option. There are 1165 mi between Stillwater and Ontario.

  • 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, April is the cheapest month in which you can book a flight from Stillwater to Ontario (average of $110). Flying from Stillwater to Ontario in January is currently the most expensive (average of $170). 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

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 Stillwater to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
Dallas/Fort Worth to Los Angeles flights
Dallas/Fort Worth to Ontario flights
Dallas/Fort Worth to Santa Ana flights
Dallas/Fort Worth to San Diego flights
Dallas/Fort Worth to San Jose flights
Oklahoma City to Las Vegas flights
Dallas/Fort Worth to Burbank flights
Dallas/Fort Worth to Sacramento flights
Dallas/Fort Worth to Oakland flights
Dallas/Fort Worth to Palm Springs flights
Dallas/Fort Worth to Reno flights
Fayetteville to Los Angeles flights
Oklahoma City to Los Angeles flights
Tulsa to Las Vegas flights
Dallas/Fort Worth to Long Beach flights
Dallas/Fort Worth to Fresno flights
Tulsa to Los Angeles flights
Fayetteville to Las Vegas flights
Oklahoma City to San Diego flights
Fayetteville to Santa Ana flights
Fayetteville to Ontario flights
Oklahoma City to Ontario flights
Dallas/Fort Worth to Santa Barbara flights
Dallas/Fort Worth to Monterey flights
Tulsa to San Diego flights
Oklahoma City to San Francisco flights
Fayetteville to San Diego flights
Fayetteville to San Francisco flights
Fayetteville to San Jose flights
Tulsa to Ontario flights
Tulsa to San Francisco flights
Oklahoma City to Santa Ana flights
Oklahoma City to San Jose flights
Dallas/Fort Worth to San Luis Obispo flights
Dallas/Fort Worth to Santa Rosa flights
Oklahoma City to Palm Springs flights
Fayetteville to Palm Springs flights
Dallas/Fort Worth to Bakersfield flights
Fayetteville to Burbank flights
Oklahoma City to Sacramento flights
Dallas/Fort Worth to Medford flights
Oklahoma City to Oakland flights
Tulsa to Sacramento flights
Oklahoma City to Long Beach flights
Fayetteville to Sacramento flights
Tulsa to Palm Springs flights
Tulsa to Reno flights
Tulsa to San Jose flights

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.