Idaho Falls

$200+ Cheap flights from Ontario to Idaho Falls (ONT - IDA)

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — IDA
Jan 25 — Feb 11
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Cheap flight deals from Ontario to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Idaho Falls (IDA). 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 January 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Delta)

One-way from

$200
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$492
Provider with most accurate pricing for Ontario-Idaho Falls Fanning Field flight deals.
Provider most trusted by Cheapflights users for Ontario-Idaho Falls Fanning Field flights.
From Ontario to Idaho Falls Fanning Field
One-way flight from Ontario to Idaho Falls Fanning Field
High demand for flights, 24% potential price rise
Best time to find cheap flights, 12% potential price drop
Average for round-trip flights in January 2025

Find flight deals from Ontario to Idaho Falls

Cheapest flights from Ontario to Idaho Falls
Explore the most affordable flight options available from Ontario to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This Delta deal was found by Cheapflights users on 1/20. 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 3/35:10 pmONT - IDA
1 stop4h 34mDelta
Sat 3/151:00 pmIDA - ONT
1 stop4h 34mDelta
Deal found 1/20$247
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/194:20 pmONT - IDA
1 stop5h 16mAlaska Airlines
Wed 2/264:07 pmIDA - ONT
1 stop6h 20mAlaska Airlines
Deal found 1/20$325
This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/241:33 pmONT - IDA
1 stop6h 35mUnited Airlines
Thu 5/2910:55 amIDA - ONT
1 stop7h 30mUnited Airlines
Deal found 1/19$444
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2512:57 amONT - IDA
1 stop19h 06mAmerican Airlines
Mon 6/301:47 pmIDA - ONT
1 stop20h 52mAmerican Airlines
Deal found 1/19$917

Find flights from Ontario to Idaho Falls within your budget

Customize your flight search to find flights from Ontario to Idaho 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 January 20, 2025.

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Fly to

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Route

Depart

Return

Price

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Mon 3/3

5:10 pm-10:44 pm

1 stop4h 34m

Idaho Falls Fanning Field

Sat 3/15

1:00 pm-4:34 pm

1 stop4h 34m

$247

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Wed 2/19

4:20 pm-10:36 pm

1 stop5h 16m

Idaho Falls Fanning Field

Wed 2/26

4:07 pm-9:27 pm

1 stop6h 20m

$325

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Sat 5/24

1:33 pm-9:08 pm

1 stop6h 35m

Idaho Falls Fanning Field

Thu 5/29

10:55 am-5:25 pm

1 stop7h 30m

$444

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Wed 6/25

12:57 am-9:03 pm

1 stop19h 06m

Idaho Falls Fanning Field

Mon 6/30

1:47 pm-9:39 am

1 stop20h 52m

$917

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Tue 6/3

1:33 pm-9:08 pm

1 stop6h 35m

$200

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Wed 6/4

6:00 am-3:45 pm

1 stop8h 45m

$229

OntarioIdaho Falls

ONT - IDA

ONTIDA

Ontario

Sun 6/8

6:00 am-12:23 pm

1 stop5h 23m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from Ontario to Idaho 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 Idaho Falls in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Idaho 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-Idaho 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 Idaho Falls

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

Travel insights for flights from Ontario to Idaho Falls

Get recent, data-driven insights about flights from Ontario to Idaho Falls including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Idaho Falls (average of $380). Flying from Ontario to Idaho Falls in July is currently the most expensive (average of $628). 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.

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

Find hourly flight availability from Ontario to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

When flying from Ontario to Idaho Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight in the afternoon.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho 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 Idaho Falls. Reviews last updated January 20, 2025.
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good
9,696 reviews
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good
8,521 reviews
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.4
Good
8,982 reviews
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.2
Good
10,000 reviews
8.0
Very good
9,696 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Ontario to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Ontario to Idaho Falls round-trip?

    Cheapflights users have booked flights from Ontario to Idaho Falls round-trip from $247. Other airlines that can offer you cheap pricing are Alaska Airlines, from $325, and United Airlines, from $444. You may be able to fly from Ontario to Idaho Falls for 44% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Ontario to Idaho Falls one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $200. Users have also found prices from $229 and $290 on Alaska Airlines and Delta, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Idaho 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 Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Idaho Falls (average of $380). Flying from Ontario to Idaho Falls in July is currently the most expensive (average of $628). 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 Ontario?

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Top 2 airlines flying from Ontario to Idaho Falls

Discover the top 2 airlines that operate flights from Ontario to Idaho 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 January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$220Average$363FlexibilityNo cancel feeOn-time75%
DeltaCheapest$248Average$408FlexibilityNo cancel feeOn-timeN/A
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