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Twin Falls

$362+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TWF
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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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 February 20, 2026.

This Delta deal was found by Cheapflights users on 2/15. 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 3/176:00 am
ONT
-
TWF
1 stop3h 52m
Delta
Tue 3/2411:45 am
TWF
-
ONT
2 stops11h 49m
Delta
Deal found 2/15$362
This Delta deal was found by Cheapflights users on 2/18. 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.
Thu 5/76:00 am
ONT
-
TWF
1 stop3h 43m
Delta
Mon 5/116:16 am
TWF
-
ONT
1 stop3h 37m
Delta
Deal found 2/18$376
This Delta deal was found by Cheapflights users on 2/16. 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 7/249:55 am
ONT
-
TWF
1 stop3h 44m
Delta
Thu 7/306:16 am
TWF
-
ONT
1 stop3h 45m
Delta
Deal found 2/16$472
This Delta deal was found by Cheapflights users on 2/18. 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 2/255:00 pm
ONT
-
TWF
1 stop4h 47m
Delta
Mon 3/23:44 pm
TWF
-
ONT
2 stops7h 53m
Delta
Deal found 2/18$608
This Delta deal was found by Cheapflights users on 2/15. 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 3/286:00 am
ONT
-
TWF
1 stop3h 52m
Delta
Sat 4/41:17 pm
TWF
-
ONT
1 stop4h 11m
Delta
Deal found 2/15$622
This Delta deal was found by Cheapflights users on 2/18. 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 3/2111:59 am
ONT
-
TWF
2 stops9h 16m
Delta
Thu 3/263:25 pm
TWF
-
ONT
2 stops8h 09m
Delta
Deal found 2/18$703

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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$376
(Delta)

Popular in

January

Cheapest in

August
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
Highest demand for flights based on searches. 22% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($46 potential savings vs. average RT price).
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 February 20, 2026.
Use the filters below to find and compare flights from Ontario to Twin Falls that are best for you.

Fly from

Ontario

Fly to

Twin Falls

Route

Depart

Return

Price

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Tue 3/17

6:00 am-10:52 am

1 stop3h 52m

Twin Falls Joslin

Tue 3/24

11:45 am-10:34 pm

2 stops11h 49m

$362

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Thu 5/7

6:00 am-10:43 am

1 stop3h 43m

Twin Falls Joslin

Mon 5/11

6:16 am-8:53 am

1 stop3h 37m

$376

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Fri 5/8

9:50 am-2:39 pm

1 stop3h 49m

Twin Falls Joslin

Mon 5/11

6:16 am-8:53 am

1 stop3h 37m

$376

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Fri 7/24

6:00 am-10:43 am

1 stop3h 43m

Twin Falls Joslin

Thu 7/30

6:16 am-12:49 pm

2 stops7h 33m

$614

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Sat 3/21

6:00 am-10:52 am

1 stop3h 52m

Twin Falls Joslin

Thu 3/26

3:25 pm-10:34 pm

2 stops8h 09m

$668

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Wed 3/4

5:00 pm-10:47 pm

1 stop4h 47m

Twin Falls Joslin

Sun 3/8

11:45 am-4:28 pm

1 stop5h 43m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

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 February.
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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Twin Falls

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

Currently, March is the cheapest month in which you can book a flight from Ontario to Twin Falls (average of $138). Flying from Ontario to Twin Falls in April is currently the most expensive (average of $348). 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 Twin Falls

Get insights into the airlines that provide service to Twin Falls. 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 Twin Falls. Reviews last updated February 20, 2026.
Read reviews from past customers who have flown Delta from Ontario to Twin Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,215 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
7.9
Good
8,215 reviews
Delta
7.9
Good
8,215 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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 52m. 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.

  • What is the cheapest month to book a flight from Ontario to Twin Falls?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Twin Falls (average of $138). Flying from Ontario to Twin Falls in April is currently the most expensive (average of $348). 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 Twin Falls?

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

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Top airline flying from Ontario to Twin Falls

Discover the top airline that operate flights from Ontario to Twin Falls. 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 February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$406Average$416FlexibilityNo cancel feeOn-timeN/A

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