How long is the flight from Ontario to Twin Falls?

Departing from Ontario to Twin Falls will take you 4h 14m. The distance between Ontario and Twin Falls is about 606 mi.

What is the cheapest airline to fly from Ontario to Twin Falls round-trip?

Flying on Delta is currently your cheapest option to Twin Falls, with prices starting at $406.

What is the cheapest day to fly from Ontario to Twin Falls?

Travelers seeking maximum savings on their Ontario to Twin Falls flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Twin Falls ranges from 0.3 - 1.4 inches per month. May is typically the wettest month, when rainfall can reach 1.4 in. July is typically the driest time to visit Twin Falls when rainfall is around 0.3 in.

If weather is an important factor for your trip to Twin Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from ONT to TWF?

Unlike at noon, when flights are generally more expensive, you can save up to 12% on flights from Ontario to Twin Falls by exploring options for tickets in the morning.

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.

$372+ Cheap Flights from Ontario to Twin Falls

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Round-trip from	$372 (Delta)

From Ontario to Twin Falls Joslin

Search Deals

Find 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 September 16, 2025.

Fri 10/104:35 pmONT - TWF

1 stop4h 49mDelta

Mon 10/136:15 amTWF - ONT

1 stop3h 50mDelta

Deal found 9/16

$608

Sun 10/59:50 amONT - TWF

1 stop3h 52mDelta

Wed 10/86:15 amTWF - ONT

1 stop3h 50mDelta

Deal found 9/16

$686

Best flights from Ontario to Twin Falls
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 September 16, 2025.

Fri 3/65:05 pmONT - TWF

1 stop4h 14mDelta

Tue 3/103:20 pmTWF - ONT

2 stops8h 18mDelta

Deal found 9/13

$372

Sat 1/36:00 amONT - TWF

1 stop5h 20mDelta

Fri 1/93:20 pmTWF - ONT

2 stops8h 18mDelta

Deal found 9/15

$382

Wed 2/255:05 pmONT - TWF

1 stop4h 14mDelta

Sat 2/286:15 amTWF - ONT

2 stops10h 05mDelta

Deal found 9/13

$522

Last-minute flights from Ontario to Twin Falls
Discover last-minute flight deals from Ontario to Twin Falls. Data last updated September 16, 2025 and is based on user searches.

Sun 10/59:50 amONT - TWF

1 stop3h 52mDelta

Wed 10/86:15 amTWF - ONT

1 stop3h 50mDelta

Deal found 9/16

$686

Fri 10/104:35 pmONT - TWF

1 stop4h 49mDelta

Mon 10/136:15 amTWF - ONT

1 stop3h 50mDelta

Deal found 9/16

$608

Cheapflights Fare Finder

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

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Fri 3/6

5:05 pm-10:19 pm

1 stop4h 14m

Twin Falls Joslin

Tue 3/10

3:20 pm-10:38 pm

2 stops8h 18m

$372

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Sat 1/3

6:00 am-12:20 pm

1 stop5h 20m

Twin Falls Joslin

Fri 1/9

3:20 pm-10:38 pm

2 stops8h 18m

$382

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Wed 2/25

5:05 pm-10:19 pm

1 stop4h 14m

Twin Falls Joslin

Sat 2/28

6:15 am-3:20 pm

2 stops10h 05m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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.

Reviews of airlines servicing Twin Falls

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

8.0

Very good

7,957 reviews

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

8.0

Very good

7,957 reviews

Delta

8.0

Very good

7,957 reviews

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

How long is the flight from Ontario to Twin Falls?
Departing from Ontario to Twin Falls will take you 4h 14m. The distance between Ontario and Twin Falls is about 606 mi.
What is the cheapest airline to fly from Ontario to Twin Falls round-trip?
Flying on Delta is currently your cheapest option to Twin Falls, with prices starting at $406.
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

Burley

Jackpot

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to Twin Falls

Los Angeles to Boise flights

Santa Ana to Boise flights

San Diego to Boise flights

Sacramento to Boise flights

Los Angeles to Spokane flights

San Francisco to Jackson flights

San Francisco to Spokane flights

Los Angeles to Jackson flights

San Jose to Boise flights

Burbank to Boise flights

San Diego to Spokane flights

San Francisco to Boise flights

Ontario to Boise flights

Las Vegas to Boise flights

Ontario to Spokane flights

San Francisco to Hailey flights

Santa Ana to Spokane flights

Las Vegas to Spokane flights

Sacramento to Spokane flights

Oakland to Boise flights

Santa Ana to Idaho Falls flights

Fresno to Boise flights

San Diego to Jackson flights

San Jose to Spokane flights

Ontario to Jackson flights

Oakland to Spokane flights

Los Angeles to Idaho Falls flights

Los Angeles to Hailey flights

San Jose to Jackson flights

Long Beach to Boise flights

Burbank to Spokane flights

Sacramento to Jackson flights

San Diego to Idaho Falls flights

San Luis Obispo to Spokane flights

Santa Rosa to Boise flights

Santa Rosa to Spokane flights

Ontario to Idaho Falls flights

Palm Springs to Spokane flights

Reno to Boise flights

Palm Springs to Boise flights

Santa Barbara to Spokane flights

San Francisco to Idaho Falls flights

San Luis Obispo to Boise flights

Medford to Boise flights

San Diego to Hailey flights

Sacramento to Idaho Falls flights

Bakersfield to Boise flights

Burbank to Jackson flights

Santa Ana to Jackson flights

Burbank to Idaho Falls flights

Top airline flying from Ontario to Twin Falls

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$406	Average$421	FlexibilityNo cancel fee	On-timeN/A

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.

$372+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Twin Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Twin Falls

Round-trip from

Find flight deals from Ontario to Twin Falls

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 September 16, 2025.

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 September 16, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Twin Falls that are best for you.

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.

Reviews of airlines servicing Twin Falls

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.

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?

What is the cheapest airline to fly from Ontario to Twin Falls round-trip?

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

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

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

Traveling to a place near Twin Falls?

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 Ontario to Twin Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ontario to Twin Falls

100% Free

Book with Flexibility

Travel Smart

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 September 16, 2025.