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Cheap flights from Ontario to Twin Falls from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Twin Falls departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Twin Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 12:23 pm
ONT
-
TWF
5h 23m
1 stop
Delta Logo
1:17 pm - 4:24 pm
TWF
-
ONT
4h 07m
1 stop
$276Delta
Sat, Aug 29 - Sat, Sep 5
Delta Logo
6:00 am - 10:47 am
ONT
-
TWF
3h 47m
1 stop
Delta Logo
6:16 am - 8:52 am
TWF
-
ONT
3h 36m
1 stop
$312Delta
Wed, Aug 19 - Wed, Aug 26
Delta Logo
5:05 pm - 10:18 pm
ONT
-
TWF
4h 13m
1 stop
Delta Logo
1:17 pm - 4:24 pm
TWF
-
ONT
4h 07m
1 stop
$396Delta
Wed, Aug 12 - Tue, Aug 18
Delta Logo
5:05 pm - 10:18 pm
ONT
-
TWF
4h 13m
1 stop
Delta Logo
1:17 pm - 10:45 pm
TWF
-
ONT
10h 28m
2 stops
$402Delta
Wed, Aug 12 - Tue, Aug 18
Delta Logo
6:00 am - 10:47 am
ONT
-
TWF
3h 47m
1 stop
Delta Logo
3:26 pm - 10:45 pm
TWF
-
ONT
8h 19m
2 stops
$418Delta
Wed, Aug 19 - Wed, Aug 26
Delta Logo
6:00 am - 10:46 am
ONT
-
TWF
3h 46m
1 stop
Delta Logo
6:16 am - 8:52 am
TWF
-
ONT
3h 36m
1 stop
$476Delta
Fri, Jul 31 - Tue, Aug 4
Delta Logo
6:00 am - 10:46 am
ONT
-
TWF
3h 46m
1 stop
Delta Logo
1:17 pm - 10:45 pm
TWF
-
ONT
10h 28m
2 stops
$888Delta
Fri, Jul 31 - Tue, Aug 4

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Delta flights from Ontario to Twin Falls

Our best Delta deals on Ontario to Twin Falls flight tickets
Delta
Aug 29
ONT6:00 amOntario
5h 23m
1 stop
TWF12:23 pmTwin Falls Joslin
Sep 5
TWF1:17 pmTwin Falls Joslin
4h 07m
1 stop
ONT4:24 pmOntario
$276
Delta
Aug 19
ONT6:00 amOntario
3h 47m
1 stop
TWF10:47 amTwin Falls Joslin
Aug 26
TWF6:16 amTwin Falls Joslin
3h 36m
1 stop
ONT8:52 amOntario
$312
Delta
Aug 19
ONT6:00 amOntario
3h 47m
1 stop
TWF10:47 amTwin Falls Joslin
Aug 26
TWF3:26 pmTwin Falls Joslin
8h 19m
2 stops
ONT10:45 pmOntario
$418

momondo 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, momondo users made 832,500 searches. Data last updated July 21, 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

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Sat 8/29

6:00 am-12:23 pm

1 stop5h 23m

Twin Falls Joslin

Sat 9/5

1:17 pm-4:24 pm

1 stop4h 07m

$276

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Wed 8/19

6:00 am-10:47 am

1 stop3h 47m

Twin Falls Joslin

Wed 8/26

6:16 am-8:52 am

1 stop3h 36m

$312

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Wed 8/12

5:05 pm-10:18 pm

1 stop4h 13m

Twin Falls Joslin

Tue 8/18

1:17 pm-4:24 pm

1 stop4h 07m

$396

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Wed 8/12

5:05 pm-10:18 pm

1 stop4h 13m

Twin Falls Joslin

Tue 8/18

1:17 pm-10:45 pm

2 stops10h 28m

$402

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Wed 8/19

6:00 am-10:47 am

1 stop3h 47m

Twin Falls Joslin

Wed 8/26

3:26 pm-10:45 pm

2 stops8h 19m

$418
Quickest round-trip

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Fri 7/31

6:00 am-10:46 am

1 stop3h 46m

Twin Falls Joslin

Tue 8/4

6:16 am-8:52 am

1 stop3h 36m

$476

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Fri 7/31

6:00 am-10:46 am

1 stop3h 46m

Twin Falls Joslin

Tue 8/4

1:17 pm-10:45 pm

2 stops10h 28m

$888
Cheapest one-way

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Wed 10/7

6:00 am-12:18 pm

1 stop5h 18m

$138
Quickest one-way

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Sat 8/1

6:00 am-10:46 am

1 stop3h 46m

$253

OntarioTwin Falls

ONT - TWF

ONTTWF

Ontario

Wed 10/7

11:56 am-10:19 pm

2 stops9h 23m

$280

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Twin Falls from

How to get the cheapest flight ticket from Ontario to Twin Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Twin Falls Joslin?

Delta is the most popular carrier operating from Ontario to Twin Falls Joslin

What airlines fly to Twin Falls?

United Airlines, Delta and Breeze Airways are the top three most popular airlines that fly to Twin Falls from Ontario according to our data. United Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Twin Falls. Keep in mind that there are 3 different airlines that fly to Twin Falls on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Twin Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Twin Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Twin Falls (ONT to TWF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Twin Falls

Fastest flight time

3h 46m

Direct flights

None
The fastest flight from Ontario to Twin Falls takes 3h 46m
There are no direct flights from Ontario to Twin Falls. There are no popular flight routes from Ontario to Twin Falls.
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Frequently asked questions about flying from Ontario to Twin Falls

  • How far is Ontario to Twin Falls Joslin by plane?

    Ontario and Twin Falls Joslin are 611.6 mi apart from one another. Flights usually cover this in 3h 46m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Ontario Airport to Twin Falls Joslin Airport?

    Prices for flights from Ontario Airport to Twin Falls Joslin Airport refresh daily.

  • How old do you have to be to fly from Ontario Airport to Twin Falls Joslin Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Twin Falls Joslin Airport.

  • What documentation or ID do you need to fly to Twin Falls Joslin Airport?

    The travel and health documents you'll need for your trip to Twin Falls Joslin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Twin Falls Joslin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Twin Falls?

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

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Twin Falls?

Finding the right flight to Twin Falls from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Twin Falls quick and easy, saving you time and money.

Can I find flights from Ontario to Twin Falls with flexible booking policies on momondo?

All flight searches from Ontario to Twin Falls on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Twin Falls?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Twin Falls.

I’m not ready to book a flight from Ontario to Twin Falls right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Twin Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Twin Falls and let you know when they change.

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