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Cheap flights from Idaho Falls to Ontario (IDA - ONT) from $144

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 9/4. 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.
IDA — ONT
Jun 18 — Jun 251
From?
To?
Tue 6/18
Tue 6/25
1 adult, Economy
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Cheap flight deals from Idaho Falls to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Ontario (ONT). 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 June 13, 2024.

Popular in

March

Cheapest in

April

Average price

$183

Round-trip from

$238
High demand for flights, 37% potential price rise
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Best time to find cheap flights, 71% potential price drop
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Average for round-trip flights in June 2024
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From Idaho Falls Fanning Field to Ontario
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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, May can be a great choice for travel to Ontario. Flights to Ontario from Idaho Falls in May are about $484 on average during May, but can be found for as low as $295.

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 23% on the cost of your flight, compared to a flight at noon.

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 3,214,720 searches. Prices were last updated on June 13, 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.
Tue 7/96:59 pmIDA - ONT
1 stop6h 00mDelta
Mon 7/221:21 pmONT - IDA
1 stop3h 55mDelta
Deal found 6/12$348
Fri 7/126:00 amIDA - ONT
1 stop18h 59mAlaska Airlines
Tue 7/234:24 pmONT - IDA
1 stop6h 33mAlaska Airlines
Deal found 6/12$395
Sun 7/146:10 amIDA - ONT
1 stop18h 49mDelta
Sun 7/215:00 pmONT - IDA
1 stop4h 10mDelta
Deal found 6/12$428
Sat 7/136:00 amIDA - ONT
1 stop18h 59mAlaska Airlines
Sat 7/206:00 amONT - IDA
1 stop8h 11mAlaska Airlines
Deal found 6/12$430
Fri 7/126:00 amIDA - ONT
1 stop28h 05mAlaska Airlines
Mon 7/154:24 pmONT - IDA
1 stop6h 33mAlaska Airlines
Deal found 6/12$440
Sat 7/136:59 pmIDA - ONT
1 stop6h 00mDelta
Sun 7/215:00 pmONT - IDA
1 stop4h 10mDelta
Deal found 6/12$448
Sat 7/136:59 pmIDA - ONT
1 stop6h 00mDelta
Wed 7/245:00 pmONT - IDA
1 stop4h 10mDelta
Deal found 6/12$478
Fri 7/195:59 pmIDA - ONT
1 stop27h 49mUnited Airlines
Sun 7/216:25 pmONT - IDA
1 stop14h 10mUnited Airlines
Deal found 6/12$535
Tue 7/96:59 pmIDA - ONT
1 stop6h 00mDelta
Tue 7/235:00 pmONT - IDA
1 stop4h 10mDelta
Deal found 6/12$548

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 3,214,720 searches. Data last updated June 13, 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.
Tue 8/136:00 amIDA - ONT
1 stop18h 59mAlaska Airlines
Tue 8/2011:30 amONT - IDA
2 stops11h 26mAlaska Airlines
Deal found 6/12$317
Fri 9/274:20 pmIDA - ONT
1 stop17h 55mAlaska Airlines
Mon 9/306:00 amONT - IDA
1 stop8h 30mAlaska Airlines
Deal found 6/13$335
Tue 7/96:59 pmIDA - ONT
1 stop6h 00mDelta
Mon 7/221:21 pmONT - IDA
1 stop3h 55mDelta
Deal found 6/12$348
Wed 8/214:20 pmIDA - ONT
1 stop7h 00mAlaska Airlines
Mon 8/266:00 amONT - IDA
1 stop8h 30mAlaska Airlines
Deal found 6/13$365
Tue 8/136:00 amIDA - ONT
1 stop10h 29mAlaska Airlines
Tue 8/208:00 amONT - IDA
1 stop6h 30mAlaska Airlines
Deal found 6/12$367
Fri 10/113:50 pmIDA - ONT
2 stops32h 02mAlaska Airlines
Mon 10/148:27 pmONT - IDA
1 stop17h 44mAlaska Airlines
Deal found 6/12$377
Fri 10/113:50 pmIDA - ONT
1 stop20h 04mAlaska Airlines
Mon 10/148:27 pmONT - IDA
1 stop26h 30mAlaska Airlines
Deal found 6/12$382
Fri 7/126:00 amIDA - ONT
1 stop18h 59mAlaska Airlines
Tue 7/234:24 pmONT - IDA
1 stop6h 33mAlaska Airlines
Deal found 6/12$395
Wed 8/211:41 pmIDA - ONT
2 stops8h 59mAmerican Airlines
Mon 8/2612:40 pmONT - IDA
1 stop7h 51mAmerican Airlines
Deal found 6/13$398

Idaho Falls to Ontario flights leaving soon

Find last-minute flight options from Idaho Falls to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
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.
Tue 6/251:05 pmIDA - ONT
1 stop4h 11mDelta
Mon 7/15:00 pmONT - IDA
1 stop4h 18mDelta
Deal found 6/13$672
Tue 6/254:02 pmIDA - ONT
1 stop18h 03mAlaska Airlines
Mon 7/18:20 pmONT - IDA
1 stop26h 37mAlaska Airlines
Deal found 6/12$677
Tue 6/251:05 pmIDA - ONT
2 stops10h 33mDelta
Mon 7/15:00 pmONT - IDA
1 stop4h 18mDelta
Deal found 6/12$704
Tue 6/187:10 amIDA - ONT
1 stop6h 23mUnited Airlines
Tue 6/256:25 pmONT - IDA
1 stop14h 15mUnited Airlines
Deal found 6/12$739
Sat 6/157:10 amIDA - ONT
1 stop6h 23mUnited Airlines
Mon 6/171:29 pmONT - IDA
1 stop6h 39mUnited Airlines
Deal found 6/12$825
Sat 6/156:32 amIDA - ONT
2 stops12h 50mAmerican Airlines
Sun 6/1610:54 amONT - IDA
1 stop9h 49mAmerican Airlines
Deal found 6/11$872
Sat 6/156:32 amIDA - ONT
2 stops12h 50mAmerican Airlines
Sun 6/169:24 amONT - IDA
2 stops11h 19mAmerican Airlines
Deal found 6/11$877
Tue 6/254:02 pmIDA - ONT
2 stops7h 38mAlaska Airlines
Mon 7/17:00 amONT - IDA
2 stops15h 57mAlaska Airlines
Deal found 6/12$903
Sat 6/151:43 pmIDA - ONT
1 stop9h 26mAmerican Airlines
Sun 6/1612:49 pmONT - IDA
1 stop7h 54mAmerican Airlines
Deal found 6/11$962

One-way flights to Ontario from Idaho Falls

Search for one-way flight options from Idaho Falls to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
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 9/44:20 pmIDA - ONT
1 stop7h 00mAlaska Airlines
Deal found 6/12$144
Tue 9/34:20 pmIDA - ONT
2 stops19h 30mAlaska Airlines
Deal found 6/12$182
Wed 9/184:20 pmIDA - ONT
1 stop7h 00mAlaska Airlines
Deal found 6/12$184
Mon 9/96:06 amIDA - ONT
1 stop28h 09mAlaska Airlines
Deal found 6/13$187
Wed 9/410:40 amIDA - ONT
1 stop7h 42mUnited Airlines
Deal found 6/12$209
Tue 9/310:40 amIDA - ONT
1 stop11h 22mUnited Airlines
Deal found 6/12$228
Mon 9/96:06 amIDA - ONT
2 stops17h 09mAlaska Airlines
Deal found 6/13$242
Thu 9/510:40 amIDA - ONT
1 stop7h 42mUnited Airlines
Deal found 6/12$269
Wed 9/41:05 pmIDA - ONT
2 stops10h 37mDelta
Deal found 6/12$294

Find flights from Idaho Falls to Ontario within your budget

Customize your flight search to find flights from Idaho Falls to Ontario 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 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$317 - $535

Route

Depart

Return

Price

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Tue 8/13

1 stop18h 59m

Ontario

Tue 8/20

2 stops11h 26m

$317

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

Tue 7/9

1 stop6h 00m

Ontario

Mon 7/22

1 stop3h 55m

$348

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Wed 8/21

1 stop7h 00m

Ontario

Mon 8/26

1 stop8h 30m

$365

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Tue 8/13

1 stop10h 29m

Ontario

Tue 8/20

1 stop6h 30m

$367

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Wed 8/21

2 stops8h 59m

Ontario

Mon 8/26

1 stop7h 51m

$398

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Sun 7/14

1 stop18h 49m

Ontario

Sun 7/21

1 stop4h 10m

$428

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Wed 8/21

2 stops8h 59m

Ontario

Mon 8/26

2 stops10h 56m

$463

Idaho Falls Fanning FieldOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

Fri 7/19

1 stop27h 49m

Ontario

Sun 7/21

1 stop14h 10m

$535

Flights are sorted by cheapest first

Deals found on 6/12

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 9, 2024.
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
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.

Temperature and rainfall in Ontario by month

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

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

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 13, 2024.
To help decide which airline to fly from Idaho Falls to Ontario, see what other customers have to say about Alaska Airlines, Delta and United 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
9,272 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

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
9,272 reviews
Alaska Airlines
8.1
Very good
9,272 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
10,000 reviews
Alaska Airlines
8.1
Very good
9,272 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,272 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

American Airlines
7.3
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,272 reviews

Comfort

7.9

Overall

8.1

Entertainment

7.3

Crew

8.6

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

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 $400 on Cheapflights?

    Yes, there are multiple flights from Idaho Falls to Ontario for under $400. The cheapest flight booked recently is on Alaska Airlines for just $317, but on average you can expect to pay $418.

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

    There are currently 10+ 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 $317. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $348 and $398, respectively. Alaska Airlines is priced at 33% 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 Alaska Airlines. According to our data, you can fly for as low as $144. Users have also found prices from $209 and $294 on United Airlines and Delta, 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 6/13.

  • 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.

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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.

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Top 2 airlines flying from Idaho Falls to Ontario

Discover the top 2 airlines that operate flights from Idaho Falls to Ontario. 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 3,214,720 searches. Data last updated June 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$363Average$476FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$396Average$506FlexibilityNo cancel feeOn-time71%
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Idaho Falls to Chicago O'Hare Intl Airport flights

Search flights from Idaho Falls to Ontario by cabin class

Find flights from Idaho Falls to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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