HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Twin Falls

$436+ Cheap flights from Ontario to Twin Falls (ONT - TWF)

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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TWF
Jul 30 — Aug 61
Thu 7/30
Thu 8/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Twin Falls 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 Twin Falls

Cheapest flights from Ontario to Twin Falls
Explore the most affordable flight options available from Ontario to Twin Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2026.

This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:00 am
ONT
-
TWF
1 stop3h 46m
Delta
Fri 7/246:15 am
TWF
-
ONT
1 stop3h 32m
Delta
Deal found 6/26$436
This Delta deal was found by Cheapflights users on 6/27. 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.
Sat 7/45:21 pm
ONT
-
TWF
1 stop3h 56m
Delta
Wed 7/86:15 am
TWF
-
ONT
1 stop3h 32m
Delta
Deal found 6/27$616
This Delta deal was found by Cheapflights users on 6/27. 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.
Wed 7/16:00 am
ONT
-
TWF
1 stop3h 46m
Delta
Wed 7/86:15 am
TWF
-
ONT
1 stop3h 32m
Delta
Deal found 6/27$666
This Delta deal was found by Cheapflights users on 6/27. 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.
Mon 6/296:00 am
ONT
-
TWF
1 stop3h 46m
Delta
Sat 7/411:35 am
TWF
-
ONT
2 stops12h 06m
Delta
Deal found 6/27$672
This Delta deal was found by Cheapflights users on 6/27. 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.
Mon 6/296:00 am
ONT
-
TWF
1 stop3h 46m
Delta
Fri 7/33:25 pm
TWF
-
ONT
2 stops8h 16m
Delta
Deal found 6/27$722
This Delta deal was found by Cheapflights users on 6/27. 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.
Sun 7/126:00 am
ONT
-
TWF
1 stop3h 46m
Delta
Thu 7/166:15 am
TWF
-
ONT
1 stop3h 32m
Delta
Deal found 6/27$724
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 6/306:00 am
ONT
-
TWF
1 stop3h 46m
Delta
Wed 7/86:15 am
TWF
-
ONT
1 stop3h 32m
Delta
Deal found 6/27$742
This Delta deal was found by Cheapflights users on 6/27. 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.
Tue 6/306:00 am
ONT
-
TWF
1 stop3h 46m
Delta
Sat 7/411:35 am
TWF
-
ONT
2 stops12h 06m
Delta
Deal found 6/27$748
This Delta deal was found by Cheapflights users on 6/27. 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.
Sat 7/45:21 pm
ONT
-
TWF
1 stop3h 56m
Delta
Fri 7/1011:35 am
TWF
-
ONT
1 stop25h 35m
Delta
Deal found 6/27$761
This Delta deal was found by Cheapflights users on 6/27. 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.
Sat 7/46:00 am
ONT
-
TWF
1 stop3h 46m
Delta
Mon 7/63:25 pm
TWF
-
ONT
1 stop18h 22m
Delta
Deal found 6/27$791

Find flight deals from Ontario to Twin Falls

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Twin Falls (TWF). 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 June 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$436
(Delta)
Provider with most accurate pricing for Ontario-Twin Falls Joslin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Twin Falls Joslin flights.
Search Deals
From Ontario to Twin Falls Joslin
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Twin Falls 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 June 30, 2026.
Use the filters below to find and compare flights from Ontario to Twin Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Fri 7/17

6:00 am-10:46 am

1 stop3h 46m

Twin Falls Joslin

Fri 7/24

6:15 am-8:47 am

1 stop3h 32m

$436

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Sun 7/12

6:00 am-10:46 am

1 stop3h 46m

Twin Falls Joslin

Thu 7/16

6:15 am-8:47 am

1 stop3h 32m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Sorted by cheapest first

Compare providers for flights from Ontario to Twin Falls

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Twin Falls in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Twin Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Twin Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Twin Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Twin Falls 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 Ontario-Twin Falls 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 Ontario to Twin Falls

Have a flexible travel schedule? Discover the best time to fly to Twin Falls 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Twin Falls. 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 Ontario to Twin Falls?

    Departing from Ontario to Twin Falls will take you 3h 46m. The distance between Ontario and Twin Falls is about 606 mi.

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

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

  • How can I find direct flights from Ontario to Twin Falls?

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

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

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

See more FAQs

Traveling to a place near Twin Falls?

Book flights to Twin Falls if you plan to visit one of these locations
Burley
Jackpot

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.

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.