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$109+ Cheap flights from Idaho to Ontario (ONT)

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ONT
dic. 23 — dic. 301
lun. 12/23
lun. 12/30
1 adult, Economy
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Cheap flight deals from Idaho to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) 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 diciembre 18, 2024.

Round-trip from

$218
(Alaska Airlines)

One-way from

$109
(Alaska Airlines)
From Idaho to Ontario
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One-way flight from Idaho to Ontario
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Find flight deals from Idaho to Ontario

Cheapest flights from Idaho to Ontario
Explore the most affordable flight options available from Idaho to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 18, 2024.

This Southwest deal was found by Cheapflights users on 12/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/313:35 pmGEG - ONT
1 stop4h 30mSouthwest
jue. 1/28:25 amONT - GEG
1 stop9h 00mSouthwest
Deal found 12/17$481
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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.
sáb. 12/288:09 pmBOI - ONT
1 stop14h 36mAlaska Airlines
lun. 1/277:01 pmONT - BOI
1 stop13h 56mAlaska Airlines
Deal found 12/18$487
This Southwest deal was found by Cheapflights users on 12/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/307:55 pmBOI - ONT
1 stop5h 15mSouthwest
mar. 12/314:05 pmONT - BOI
1 stop5h 55mSouthwest
Deal found 12/18$501
This Delta deal was found by Cheapflights users on 12/17. 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.
jue. 12/267:55 pmBOI - ONT
1 stop5h 33mDelta
vie. 1/34:58 pmONT - BOI
1 stop6h 50mDelta
Deal found 12/17$567
This United Airlines deal was found by Cheapflights users on 12/18. 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.
mié. 12/258:15 amBOI - ONT
1 stop5h 25mUnited Airlines
mié. 1/16:00 amONT - BOI
1 stop4h 32mUnited Airlines
Deal found 12/18$568
This Delta deal was found by Cheapflights users on 12/16. 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.
dom. 12/297:00 amJAC - ONT
1 stop6h 20mDelta
lun. 12/305:30 amONT - JAC
1 stop5h 50mDelta
Deal found 12/16$587
This American Airlines deal was found by Cheapflights users on 12/17. 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.
mié. 12/255:25 amIDA - ONT
1 stop7h 37mAmerican Airlines
dom. 12/294:25 pmONT - IDA
1 stop4h 56mAmerican Airlines
Deal found 12/17$601
This Delta deal was found by Cheapflights users on 12/17. 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.
jue. 12/266:55 pmIDA - ONT
1 stop6h 33mDelta
vie. 1/35:30 amONT - IDA
1 stop5h 56mDelta
Deal found 12/17$689
This United Airlines deal was found by Cheapflights users on 12/16. 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.
mar. 12/247:00 amGEG - ONT
1 stop10h 53mUnited Airlines
lun. 12/306:50 pmONT - GEG
1 stop5h 02mUnited Airlines
Deal found 12/16$690
This United Airlines deal was found by Cheapflights users on 12/16. 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.
vie. 12/207:00 amJAC - ONT
1 stop6h 40mUnited Airlines
dom. 12/225:05 amONT - JAC
1 stop7h 07mUnited Airlines
Deal found 12/16$732
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
mar. 12/244:57 pmGEG - ONT
1 stop16h 48mAlaska Airlines
mié. 1/16:00 amONT - GEG
1 stop5h 06mAlaska Airlines
Deal found 12/16$733
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
vie. 12/276:00 amIDA - ONT
1 stop18h 59mAlaska Airlines
dom. 12/298:32 pmONT - IDA
2 stops26h 27mAlaska Airlines
Deal found 12/16$831

Find flights from Idaho to Ontario within your budget

Customize your flight search to find flights from Idaho 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 2,558,603 searches. Data last updated diciembre 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SpokaneOntario

GEG - ONT

GEGONT

Spokane

mié. 2/26

6:00 am-11:02 am

1 stop5h 02m

Ontario

mié. 3/5

11:45 am-5:00 pm

1 stop5h 15m

$218

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

mié. 1/8

2:40 pm-8:13 pm

1 stop6h 33m

Ontario

jue. 1/9

6:00 am-12:19 pm

1 stop5h 19m

$228

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

mar. 2/18

5:59 pm-11:51 pm

1 stop6h 52m

Ontario

mar. 2/25

4:05 pm-10:11 pm

1 stop5h 06m

$238

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

mié. 1/15

12:38 pm-10:32 pm

2 stops9h 54m

Ontario

mié. 1/22

6:00 am-11:58 am

1 stop5h 58m

$243

Idaho FallsOntario

IDA - ONT

IDAONT

Idaho Falls Fanning Field

mar. 1/14

8:00 am-8:13 pm

1 stop13h 13m

Ontario

mié. 1/15

11:33 am-10:33 pm

1 stop10h 00m

$282

SpokaneOntario

GEG - ONT

GEGONT

Spokane

sáb. 4/5

3:25 pm-8:21 pm

1 stop4h 56m

Ontario

mar. 4/15

3:55 pm-9:26 pm

1 stop5h 31m

$292

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

mar. 1/14

1:01 pm-6:04 pm

1 stop6h 03m

Ontario

mar. 1/21

6:15 am-11:27 am

1 stop4h 12m

$308

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

vie. 1/24

2:50 pm-10:20 pm

1 stop8h 30m

Ontario

dom. 1/26

7:25 am-2:20 pm

1 stop5h 55m

$323

SpokaneOntario

GEG - ONT

GEGONT

Spokane

dom. 1/5

7:00 pm-12:28 am

1 stop5h 28m

Ontario

lun. 1/13

5:10 pm-11:57 pm

1 stop6h 47m

$342

JacksonOntario

JAC - ONT

JACONT

Jackson Hole

vie. 1/24

11:45 am-10:49 am

1 stop24h 04m

Ontario

dom. 1/26

6:00 am-11:05 am

1 stop28h 05m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 31 results
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Best time to book a flight from Idaho to Ontario

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

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

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

Currently, September is the cheapest month in which you can book a flight from Idaho to Ontario (average of $236). Flying from Idaho to Ontario in December is currently the most expensive (average of $298). 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 ID to ONT?

Find hourly flight availability from Idaho to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 18, 2024.

When flying from Idaho to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

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.

Temperature in Ontario by month

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

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 diciembre 18, 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, American Airlines and Delta from Idaho to Ontario to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,552 reviews
Southwest
8.1
Very good
4,848 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,059 reviews
Southwest
8.1
Very good
4,848 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews

Overall

8.1

Boarding

8.2

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Idaho to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Idaho?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Idaho.

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

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $109. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Idaho to Ontario for a low price.

  • What are the most popular routes from Idaho to Ontario?

    The most popular flight routes from Idaho to Ontario are Boise Air Term. Gowen Fld - Ontario, Spokane - Ontario and Idaho Falls Fanning Field - Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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.

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

    Currently, September is the cheapest month in which you can book a flight from Idaho to Ontario (average of $236). Flying from Idaho to Ontario in December is currently the most expensive (average of $298). 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 to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Idaho to Ontario

Discover the top 7 airlines that operate flights from Idaho 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 2,558,603 searches. Data last updated diciembre 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$115Average$186FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$128Average$136FlexibilityNo cancel feeOn-time88%
DeltaCheapest$132Average$413FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$201Average$326FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$227Average$351FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$233Average$473FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$262Average$360FlexibilityNo cancel feeOn-time63%
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