What are the cheapest airlines flying from Idaho Falls to Ontario round-trip?

Flying on Alaska Airlines is currently your cheapest option to Ontario, with prices starting at $288. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $482 and $557, respectively. Alaska Airlines is priced at 42% lower than the current average price of a flight leaving 3 months from now.

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

For one-way options, check prices for Delta. According to our data, you can fly for as low as $174. Users have also found prices from $182 and $209 on Alaska Airlines and United Airlines, respectively.

How recently were the Idaho Falls to Ontario flight deals updated?

The Idaho Falls to Ontario flight deals you see on this page were last updated on 6/10.

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

Currently, October is the cheapest month in which you can book a flight from Idaho Falls to Ontario (average of $238). Flying from Idaho Falls to Ontario in July is currently the most expensive (average of $318). 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.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Can I find flights from Idaho Falls to Ontario for under $300 on Cheapflights?

Yes, there are multiple flights from Idaho Falls to Ontario for under $300. The cheapest flight booked recently is on Alaska Airlines for just $288, but on average you can expect to pay $508.

Are there last-minute flights available from Idaho Falls to Ontario for under $700?

There are currently 6+ open flights from Idaho Falls to Ontario within the next 7 days for less than $700.

What does IDA to ONT mean?

This is defined as Idaho Falls Fanning Field Airport (IDA) and Ontario Airport (ONT). Codes like Ontario Airport are often used to just call airports uniquely.

Can I find deals for flights from Idaho Falls to Ontario that include extra baggage allowance?

The amount of baggage you can bring on your Idaho Falls to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Can I find deals on flights from Idaho Falls to Ontario with specific airlines?

Yes, Cheapflights allows you to browse and filter Idaho Falls to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Idaho Falls to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Can I find deals for flights from Idaho Falls to Ontario that allow pets onboard?

Many airlines flying from Idaho Falls to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Can I find deals on last-minute flights from Idaho Falls to Ontario?

Yes, you can often find last-minute deals on Idaho Falls to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Flights from Idaho Falls, ID to Ontario, CA from $174

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Cheap flight deals from Idaho Falls to Ontario

Popular in	March
Cheapest in	April
Average price	$401
Round-trip from	$238

High demand for flights, 33% potential price rise

Search Deals

Best time to find cheap flights, 73% potential price drop

Search Deals

Average for round-trip flights in June 2024

Search Deals

From Idaho Falls Fanning Field to Ontario

Search Deals

What is the cheapest day to fly round-trip from Idaho Falls to Ontario?

Flights from Idaho Falls to Ontario are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

What is the cheapest month to fly from Idaho Falls to Ontario?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Ontario. Flights to Ontario from Idaho Falls in October are about $484 on average during October, but can be found for as low as $237.

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

It’s optimal to fly from Idaho Falls to Ontario in the afternoon. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight at noon.

Cheap Idaho Falls to Ontario flights in June & July 2024

These are some of the best deals we've found on flights to Ontario in 2024 at this time. More deals are always being added, so be sure to check back regularly.

Sat 7/136:00 amIDA - ONT

1 stop18h 59mAlaska Airlines

Mon 7/154:24 pmONT - IDA

1 stop6h 33mAlaska Airlines

Deal found 6/10$430

Tue 7/26:00 amIDA - ONT

1 stop10h 29mAlaska Airlines

Wed 7/174:24 pmONT - IDA

1 stop6h 33mAlaska Airlines

Deal found 6/9$450

Sat 7/136:00 amIDA - ONT

1 stop18h 59mAlaska Airlines

Mon 7/158:20 pmONT - IDA

1 stop26h 37mAlaska Airlines

Deal found 6/9$462

Fri 6/287:00 pmIDA - ONT

1 stop5h 42mDelta

Fri 7/55:35 amONT - IDA

1 stop5h 48mDelta

Deal found 6/9$482

Sat 7/136:00 amIDA - ONT

2 stops17h 40mAlaska Airlines

Mon 7/154:24 pmONT - IDA

1 stop6h 33mAlaska Airlines

Deal found 6/10$491

Tue 7/26:00 amIDA - ONT

1 stop10h 29mAlaska Airlines

Wed 7/1711:20 amONT - IDA

2 stops11h 37mAlaska Airlines

Deal found 6/9$523

Fri 6/284:02 pmIDA - ONT

1 stop8h 57mAlaska Airlines

Mon 7/18:20 pmONT - IDA

1 stop26h 37mAlaska Airlines

Deal found 6/9$582

Fri 6/284:02 pmIDA - ONT

2 stops31h 38mAlaska Airlines

Mon 7/18:20 pmONT - IDA

1 stop26h 37mAlaska Airlines

Deal found 6/9$587

Tue 6/2510:45 amIDA - ONT

1 stop7h 43mUnited Airlines

Mon 7/15:10 amONT - IDA

1 stop14h 58mUnited Airlines

Deal found 6/10$667

Idaho Falls to Ontario 2024 flight deals

These are some of the best deals we've found on flights to Ontario in 2024 at this time. More deals are always being added, so be sure to check back regularly.

Tue 10/296:00 amIDA - ONT

1 stop5h 33mAlaska Airlines

Sat 11/26:00 amONT - IDA

1 stop8h 09mAlaska Airlines

Deal found 6/9$288

Tue 10/296:00 amIDA - ONT

1 stop5h 33mAlaska Airlines

Sat 11/27:00 amONT - IDA

2 stops15h 59mAlaska Airlines

Deal found 6/9$320

Wed 9/184:20 pmIDA - ONT

1 stop7h 00mAlaska Airlines

Wed 10/27:30 amONT - IDA

1 stop6h 41mAlaska Airlines

Deal found 6/9$328

Fri 9/274:20 pmIDA - ONT

1 stop17h 55mAlaska Airlines

Mon 9/306:00 amONT - IDA

1 stop8h 30mAlaska Airlines

Deal found 6/10$335

Sat 7/136:00 amIDA - ONT

1 stop18h 59mAlaska Airlines

Mon 7/154:24 pmONT - IDA

1 stop6h 33mAlaska Airlines

Deal found 6/10$430

Tue 7/26:00 amIDA - ONT

1 stop10h 29mAlaska Airlines

Wed 7/174:24 pmONT - IDA

1 stop6h 33mAlaska Airlines

Deal found 6/9$450

Sat 7/136:00 amIDA - ONT

1 stop18h 59mAlaska Airlines

Mon 7/158:20 pmONT - IDA

1 stop26h 37mAlaska Airlines

Deal found 6/9$462

Fri 6/287:00 pmIDA - ONT

1 stop5h 42mDelta

Fri 7/55:35 amONT - IDA

1 stop5h 48mDelta

Deal found 6/9$482

Sat 7/136:00 amIDA - ONT

2 stops17h 40mAlaska Airlines

Mon 7/154:24 pmONT - IDA

1 stop6h 33mAlaska Airlines

Deal found 6/10$491

Idaho Falls to Ontario flights leaving soon

Consider one of these great deals we found on last-minute flights from Idaho Falls to Ontario. Users should be sure to double check the price, date, and time of their last-minute flight.

Wed 6/127:10 amIDA - ONT

1 stop6h 23mUnited Airlines

Sun 6/305:20 amONT - IDA

1 stop14h 48mUnited Airlines

Deal found 6/9$694

Fri 6/142:30 pmIDA - ONT

1 stop7h 18mUnited Airlines

Mon 6/171:29 pmONT - IDA

1 stop6h 39mUnited Airlines

Deal found 6/10$800

Wed 6/122:30 pmIDA - ONT

1 stop7h 18mUnited Airlines

Sun 6/306:10 amONT - IDA

2 stops26h 25mUnited Airlines

Deal found 6/9$828

Fri 6/146:32 amIDA - ONT

2 stops10h 19mAmerican Airlines

Mon 6/1712:49 pmONT - IDA

1 stop7h 54mAmerican Airlines

Deal found 6/10$872

Fri 6/146:32 amIDA - ONT

2 stops10h 19mAmerican Airlines

Mon 6/177:26 pmONT - IDA

2 stops25h 17mAmerican Airlines

Deal found 6/10$1,006

Wed 6/126:32 amIDA - ONT

2 stops13h 05mAmerican Airlines

Sun 6/307:26 pmONT - IDA

2 stops25h 17mAmerican Airlines

Deal found 6/9$1,028

One-way flights to Ontario from Idaho Falls

Users traveling one-way from Idaho Falls to Ontario can select one of these great deals. Users needing a return flight from Idaho Falls to Ontario should utilize the search form above.

Wed 7/36:56 pmIDA - ONT

1 stop5h 45mDelta

Deal found 6/9$174

Tue 8/136:00 amIDA - ONT

2 stops17h 40mAlaska Airlines

Deal found 6/9$182

Sat 9/284:20 pmIDA - ONT

1 stop17h 55mAlaska Airlines

Deal found 6/9$187

Thu 8/1510:45 amIDA - ONT

1 stop7h 43mUnited Airlines

Deal found 6/9$209

Thu 8/226:06 amIDA - ONT

2 stops17h 09mAlaska Airlines

Deal found 6/10$228

Sat 8/103:51 pmIDA - ONT

1 stop9h 08mAlaska Airlines

Deal found 6/9$237

Wed 7/36:00 amIDA - ONT

1 stop18h 59mAlaska Airlines

Deal found 6/9$242

Sat 8/246:14 amIDA - ONT

1 stop8h 31mAmerican Airlines

Deal found 6/10$244

Sun 9/156:06 amIDA - ONT

1 stop28h 09mAlaska Airlines

Deal found 6/10$267

Find flights from Idaho Falls to Ontario within your budget

Fly from

Fly to

Budget

$288 - $622

Route

Depart

Return

Price

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Tue 10/29

1 stop5h 33m

Ontario

Sat 11/2

1 stop8h 09m

$288

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Tue 10/29

1 stop5h 33m

Ontario

Sat 11/2

2 stops15h 59m

$320

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Wed 9/18

1 stop7h 00m

Ontario

Wed 10/2

1 stop6h 41m

$328

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Fri 9/27

1 stop17h 55m

Ontario

Mon 9/30

1 stop8h 30m

$335

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Sat 7/13

1 stop18h 59m

Ontario

Mon 7/15

1 stop6h 33m

$430

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Fri 6/28

1 stop5h 42m

Ontario

Fri 7/5

1 stop5h 48m

$482

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Wed 9/18

1 stop7h 37m

Ontario

Wed 10/2

2 stops12h 58m

$557

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Wed 9/18

2 stops12h 28m

Ontario

Wed 10/2

2 stops10h 52m

$578

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Sat 6/29

1 stop7h 43m

Ontario

Sun 6/30

1 stop27h 15m

$622

Flights are sorted by cheapest first

Deals found on 6/9

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

Morning

Noon

Afternoon

Evening

All times are departure.

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

Search Deals

Best time to book a flight from Idaho Falls to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Idaho Falls with our price prediction graph.

Estimated round-trip price

Temperature and rainfall in Ontario by month

LAX Temperature	57.2 - 73.4 °F

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

To help decide which airline to fly from Idaho Falls to Ontario, see what other customers have to say about Alaska Airlines, United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.1

Very good

9,267 reviews

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines

8.1

Very good

9,267 reviews

Alaska Airlines

8.1

Very good

9,267 reviews

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta

8.0

Very good

10,295 reviews

Alaska Airlines

8.1

Very good

9,267 reviews

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines

7.4

Good

10,647 reviews

Alaska Airlines

8.1

Very good

9,267 reviews

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines

7.3

Good

14,138 reviews

Alaska Airlines

8.1

Very good

9,267 reviews

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Can I find flights from Idaho Falls to Ontario for under $300 on Cheapflights?
Yes, there are multiple flights from Idaho Falls to Ontario for under $300. The cheapest flight booked recently is on Alaska Airlines for just $288, but on average you can expect to pay $508.
Are there last-minute flights available from Idaho Falls to Ontario for under $700?
There are currently 6+ open flights from Idaho Falls to Ontario within the next 7 days for less than $700.
What are the cheapest airlines flying from Idaho Falls to Ontario round-trip?
Flying on Alaska Airlines is currently your cheapest option to Ontario, with prices starting at $288. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $482 and $557, respectively. Alaska Airlines is priced at 42% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Idaho Falls to Ontario one-way?
For one-way options, check prices for Delta. According to our data, you can fly for as low as $174. Users have also found prices from $182 and $209 on Alaska Airlines and United Airlines, respectively.
What does IDA to ONT mean?
This is defined as Idaho Falls Fanning Field Airport (IDA) and Ontario Airport (ONT). Codes like Ontario Airport are often used to just call airports uniquely.
Can I find deals for flights from Idaho Falls to Ontario that include extra baggage allowance?
The amount of baggage you can bring on your Idaho Falls to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.
Can I find deals on flights from Idaho Falls to Ontario with specific airlines?
Yes, Cheapflights allows you to browse and filter Idaho Falls to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.
Can I find deals for flights from Idaho Falls to Ontario that include hotel bookings?
Yes. In addition to deals on Idaho Falls to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Ontario.
Can I find deals for business class flights from Idaho Falls to Ontario?
Yes. Cheapflights offers flight deals from Idaho Falls to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Can I find deals for flights from Idaho Falls to Ontario that allow pets onboard?
Many airlines flying from Idaho Falls to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.
Can I find deals on last-minute flights from Idaho Falls to Ontario?
Yes, you can often find last-minute deals on Idaho Falls to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
How recently were the Idaho Falls to Ontario flight deals updated?
The Idaho Falls to Ontario flight deals you see on this page were last updated on 6/10.
What is the cheapest month to book a flight from Idaho Falls to Ontario?
Currently, October is the cheapest month in which you can book a flight from Idaho Falls to Ontario (average of $238). Flying from Idaho Falls to Ontario in July is currently the most expensive (average of $318). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Idaho Falls to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2024.

Top 2 airlines flying from Idaho Falls to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$363	Average$476	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$396	Average$506	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Idaho Falls to Ontario (IDA - ONT) from $174

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

Cheap flight deals from Idaho Falls to Ontario

Popular in

Cheapest in

Average price

Round-trip from

What is the cheapest day to fly round-trip from Idaho Falls to Ontario?

What is the cheapest month to fly from Idaho Falls to Ontario?

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

Cheap Idaho Falls to Ontario flights in June & July 2024

Find cheap flight options from Idaho Falls to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 10, 2024.

These are some of the best deals we've found on flights to Ontario in 2024 at this time. More deals are always being added, so be sure to check back regularly.

Idaho Falls to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Idaho Falls and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.

These are some of the best deals we've found on flights to Ontario in 2024 at this time. More deals are always being added, so be sure to check back regularly.

Idaho Falls to Ontario flights leaving soon

Consider one of these great deals we found on last-minute flights from Idaho Falls to Ontario. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Ontario from Idaho Falls

Users traveling one-way from Idaho Falls to Ontario can select one of these great deals. Users needing a return flight from Idaho Falls to Ontario should utilize the search form above.

Find flights from Idaho Falls to Ontario within your budget

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

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Ontario. Price data was last updated on June 2, 2024.

Best time to book a flight from Idaho Falls to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Idaho Falls with our price prediction graph.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing Ontario

To help decide which airline to fly from Idaho Falls to Ontario, see what other customers have to say about Alaska Airlines, United Airlines and American Airlines. You can also see how each airline compares 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 Idaho Falls to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find flights from Idaho Falls to Ontario for under $300 on Cheapflights?

Are there last-minute flights available from Idaho Falls to Ontario for under $700?

What are the cheapest airlines flying from Idaho Falls to Ontario round-trip?

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

What does IDA to ONT mean?

Can I find deals for flights from Idaho Falls to Ontario that include extra baggage allowance?

Can I find deals on flights from Idaho Falls to Ontario with specific airlines?

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

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

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

Can I find deals for flights from Idaho Falls to Ontario that allow pets onboard?

Can I find deals on last-minute flights from Idaho Falls to Ontario?

How recently were the Idaho Falls to Ontario flight deals updated?

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

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 Idaho Falls to OntarioSee prices for flight routes from nearby airports that may be better suited for you.

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

Top 2 airlines flying from Idaho Falls to Ontario

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Alternative routes for Idaho Falls to Ontario
See prices for flight routes from nearby airports that may be better suited for you.