$276+ Cheap flights from Ontario to Twin Falls (ONT - TWF)
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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TWF
Sep 26 — Oct 31
Round-trip
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
Best
Last-minute
One-way
Cheapest flights from Ontario to Twin FallsExplore 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 August 27, 2026.
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 August 27, 2026.
This Delta deal was found by Cheapflights users on 8/22. 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 10/226:00 am -
1 stop5h 25m
Mon 10/261:17 pm -
2 stops10h 26m
Deal found 8/22![Delta logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:24 pm -
1 stop14h 36m
Mon 9/141:45 pm -
1 stop20h 24m
Deal found 8/26![Multiple Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 8/22. 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 11/56:00 am -
1 stop5h 25m
Sun 11/81:17 pm -
1 stop4h 06m
Deal found 8/22![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 8/23. 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 9/76:00 am -
1 stop3h 47m
Fri 9/111:17 pm -
2 stops10h 23m
Deal found 8/23![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 8/22. 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 11/66:00 am -
1 stop5h 25m
Sun 11/81:17 pm -
1 stop4h 06m
Deal found 8/22![Delta logo]()
$687
Best flights from Ontario to Twin FallsDiscover carefully curated flight deals from Ontario to Twin Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
Discover carefully curated flight deals from Ontario to Twin Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
This Delta deal was found by Cheapflights users on 8/22. 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 10/226:00 am -
1 stop5h 25m
Mon 10/261:17 pm -
2 stops10h 26m
Deal found 8/22![Delta logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:24 pm -
1 stop14h 36m
Mon 9/141:45 pm -
1 stop20h 24m
Deal found 8/26![Multiple Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 8/23. 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 11/56:00 am -
1 stop5h 25m
Sun 11/81:17 pm -
1 stop4h 06m
Deal found 8/23![Delta logo]()
$381
This Delta deal was found by Cheapflights users on 8/22. 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 11/66:00 am -
1 stop5h 25m
Sun 11/81:17 pm -
1 stop4h 06m
Deal found 8/22![Delta logo]()
$687
Last-minute flights from Ontario to Twin FallsDiscover last-minute flight deals from Ontario to Twin Falls. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Twin Falls. Data last updated August 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/23. 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 9/76:00 am -
1 stop3h 47m
Fri 9/111:17 pm -
2 stops10h 23m
Deal found 8/23![Delta logo]()
$478
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:24 pm -
1 stop14h 36m
Mon 9/141:45 pm -
1 stop20h 24m
Deal found 8/26![Multiple Airlines logo]()
$335
One-way flights from Ontario to Twin FallsSearch for one-way flight options from Ontario to Twin Falls. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Ontario to Twin Falls. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This Delta deal was found by Cheapflights users on 8/24. 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 9/16:00 am -
1 stop5h 23m
Deal found 8/24![Delta logo]()
$276
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 August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $322 (Delta) |
One-way from | $276 (Delta) |
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 7,457,451 searches. Data last updated August 27, 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
Cheapest round-trip
OntarioTwin Falls
ONT Ontario - TWF Twin Falls Joslin
ONTTWF
Ontario
Thu 10/22
6:00 am-12:25 pm
1 stop5h 25m
Twin Falls Joslin
Mon 10/26
1:17 pm-10:43 pm
2 stops10h 26m
$322
OntarioTwin Falls
ONT Ontario - TWF Twin Falls Joslin
ONTTWF
Ontario
Thu 9/10
8:24 pm-12:00 pm
1 stop14h 36m
Twin Falls Joslin
Mon 9/14
1:45 pm-9:09 am
1 stop20h 24m
$335
Quickest round-trip
OntarioTwin Falls
ONT Ontario - TWF Twin Falls Joslin
ONTTWF
Ontario
Thu 11/5
6:00 am-12:25 pm
1 stop5h 25m
Twin Falls Joslin
Sun 11/8
1:17 pm-4:23 pm
1 stop4h 06m
$381
OntarioTwin Falls
ONT Ontario - TWF Twin Falls Joslin
ONTTWF
Ontario
Fri 11/6
6:00 am-12:25 pm
1 stop5h 25m
Twin Falls Joslin
Sun 11/8
1:17 pm-4:23 pm
1 stop4h 06m
$687
Cheapest one-way
Quickest one-way
OntarioTwin Falls
ONT Ontario - TWF Twin Falls Joslin
ONTTWF
Ontario
Tue 9/1
6:00 am-12:23 pm
1 stop5h 23m
$276
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
ONT-TWF
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.
Traveling to a place near Twin Falls?
Book flights to Twin Falls if you plan to visit one of these locationsBurley
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Twin Falls flight routes