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$120+ Cheap flights from Ontario to Boise (ONT - BOI)

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOI
Sep 24 — Oct 11
From?
To?
Tue 9/24
Tue 10/1
1 adult, Economy
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1. Tell us where you want to go
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The best prices from Ontario to Boise Air Term. Gowen Fld are usually found in January or October, booked 24 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from Ontario to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Boise (BOI). 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 September 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

January

Round-trip from

$236
(Alaska Airlines)

One-way from

$120
(Delta)
Provider with most accurate pricing for Ontario-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Ontario-Boise Air Term. Gowen Fld flights.
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High demand for flights, 22% potential price rise
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Best time to find cheap flights, 20% potential price drop
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From Ontario to Boise Air Term. Gowen Fld
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One-way flight from Ontario to Boise Air Term. Gowen Fld
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Cheap Ontario to Boise flights in September & October 2024

Find cheap flight options from Ontario to Boise specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,082,863 searches. Prices were last updated on September 19, 2024.
The lowest fares we've come across on flights traveling from Ontario to Boise in September and October 2024. Check back soon for alternative fares.
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/197:30 amONT - BOI
1 stop5h 54mAlaska Airlines
Sat 10/268:00 amBOI - ONT
1 stop26h 04mAlaska Airlines
Deal found 9/19$236
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/193:00 pmONT - BOI
1 stop7h 35mDelta
Fri 10/255:10 pmBOI - ONT
1 stop6h 29mDelta
Deal found 9/19$237
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Sat 10/122:03 pmONT - BOI
1 stop4h 05mUnited Airlines
Tue 10/157:10 pmBOI - ONT
1 stop4h 46mUnited Airlines
Deal found 9/18$310
This Southwest deal was found by Cheapflights users on 9/18. 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.
Fri 10/184:55 pmONT - BOI
2 stops6h 45mSouthwest
Mon 10/217:30 pmBOI - ONT
1 stop3h 50mSouthwest
Deal found 9/18$319
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/306:45 amONT - BOI
1 stop5h 36mAmerican Airlines
Mon 10/75:21 pmBOI - ONT
1 stop5h 38mAmerican Airlines
Deal found 9/18$456

Ontario to Boise 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Boise in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,082,863 searches. Data last updated September 19, 2024.
The lowest fares we've come across on flights traveling from Ontario to Boise in September and October 2024. Check back soon for alternative fares.
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/197:30 amONT - BOI
1 stop5h 54mAlaska Airlines
Sat 10/268:00 amBOI - ONT
1 stop26h 04mAlaska Airlines
Deal found 9/19$236
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/193:00 pmONT - BOI
1 stop7h 35mDelta
Fri 10/255:10 pmBOI - ONT
1 stop6h 29mDelta
Deal found 9/19$237
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Sun 10/206:18 amONT - BOI
1 stop4h 05mUnited Airlines
Sat 10/267:10 pmBOI - ONT
1 stop4h 46mUnited Airlines
Deal found 9/19$282
This Southwest deal was found by Cheapflights users on 9/18. 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.
Sun 11/176:45 amONT - BOI
1 stop4h 20mSouthwest
Thu 11/216:55 amBOI - ONT
1 stop4h 30mSouthwest
Deal found 9/18$293
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/306:45 amONT - BOI
1 stop5h 36mAmerican Airlines
Mon 10/75:21 pmBOI - ONT
1 stop5h 38mAmerican Airlines
Deal found 9/18$456

Ontario to Boise flights leaving soon

Find last-minute flight options from Ontario to Boise 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 3,082,863 searches. Data last updated September 19, 2024.
Consider one of these great deals we found on last-minute flights from Ontario to Boise. Users should be sure to double check the price, date, and time of their last-minute flight.
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Thu 9/262:03 pmONT - BOI
1 stop4h 05mUnited Airlines
Sun 9/296:45 amBOI - ONT
1 stop4h 18mUnited Airlines
Deal found 9/18$506
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2911:30 amONT - BOI
1 stop4h 08mAlaska Airlines
Thu 10/36:00 pmBOI - ONT
1 stop5h 52mAlaska Airlines
Deal found 9/19$510
This Southwest deal was found by Cheapflights users on 9/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2711:05 amONT - BOI
1 stop5h 20mSouthwest
Sun 9/298:10 pmBOI - ONT
1 stop3h 40mSouthwest
Deal found 9/19$561

One-way flights to Boise from Ontario

Search for one-way flight options from Ontario to Boise. 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 3,082,863 searches. Data last updated September 19, 2024.
Users traveling one-way from Ontario to Boise can select one of these great deals. Those needing a return flight from Ontario to Boise can use the search form above.
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/105:26 pmONT - BOI
1 stop5h 09mDelta
Deal found 9/18$120
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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.
Sat 10/266:00 amONT - BOI
2 stops11h 17mAlaska Airlines
Deal found 9/18$136
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Fri 11/11:55 pmONT - BOI
1 stop6h 39mUnited Airlines
Deal found 9/18$155
This Southwest deal was found by Cheapflights users on 9/18. 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.
Fri 10/186:25 pmONT - BOI
1 stop4h 00mSouthwest
Deal found 9/18$161

Find flights from Ontario to Boise within your budget

Customize your flight search to find flights from Ontario to Boise 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 3,082,863 searches. Data last updated September 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$236 - $3,165

Route

Depart

Return

Price

OntarioBoise Air Term. Gowen Fld

ONT - BOI

ONTBOI

Ontario

Sat 10/19

1 stop5h 54m

Boise Air Term. Gowen Fld

Sat 10/26

1 stop26h 04m

$236

OntarioBoise Air Term. Gowen Fld

ONT - BOI

ONTBOI

Ontario

Sat 10/19

1 stop7h 35m

Boise Air Term. Gowen Fld

Fri 10/25

1 stop6h 29m

$237

OntarioBoise Air Term. Gowen Fld

ONT - BOI

ONTBOI

Ontario

Sun 11/17

1 stop4h 20m

Boise Air Term. Gowen Fld

Thu 11/21

1 stop4h 30m

$293

OntarioBoise Air Term. Gowen Fld

ONT - BOI

ONTBOI

Ontario

Sat 10/12

1 stop4h 05m

Boise Air Term. Gowen Fld

Mon 10/14

1 stop4h 46m

$310

OntarioBoise Air Term. Gowen Fld

ONT - BOI

ONTBOI

Ontario

Mon 9/30

1 stop5h 36m

Boise Air Term. Gowen Fld

Mon 10/7

1 stop5h 38m

$456

OntarioBoise Air Term. Gowen Fld

ONT - BOI

ONTBOI

Ontario

Sat 12/21

3 stops35h 52m

Boise Air Term. Gowen Fld

Fri 12/27

3 stops33h 40m

$3,165

Flights are sorted by cheapest first

Deals found on 9/19

Compare providers for flights from Ontario to Boise

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 Boise in September.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
PricelinePrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightsMojoPrice Accuracy-Trust Score*3 starsCancellation PolicyNo Information

*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-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Boise 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-Boise 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 Boise

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

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

How far ahead should I book a flight from Ontario to Boise?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Boise. Price data was last updated on September 13, 2024.

The best time to book flights from Ontario to Boise is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Find deals

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

Currently, October is the cheapest month in which you can book a flight from Ontario to Boise (average of $50). Flying from Ontario to Boise in August is currently the most expensive (average of $124). 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 BOI?

Find hourly flight availability from Ontario to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2024.

It’s typically best to fly out from Ontario to Boise in the evening. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Ontario to Boise?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Boise. Price data was last updated on September 15, 2024.

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

Find deals

What are the most popular airlines that fly from Ontario to Boise?

Our users search for these airlines the most when looking for flights from Ontario to Boise. Data last updated on September 19, 2024.

Delta, Alaska Airlines and United Airlines are the most popular airlines when flying from Ontario to Boise.

Delta

Delta

From $225

Alaska Airlines

Alaska Airlines

From $208

United Airlines

United Airlines

From $276

Spirit Airlines

Spirit Airlines

From $88

Rainfall in Boise by month

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

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

Temperature in Boise by month

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

If weather is an important factor for your trip to Boise, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated September 19, 2024.
Read through reviews of airlines operating flights from Ontario to Boise, such as Southwest, Alaska Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,315 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.2
Very good
5,315 reviews
Southwest
8.2
Very good
5,315 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,367 reviews
Southwest
8.2
Very good
5,315 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
9,069 reviews
Southwest
8.2
Very good
5,315 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,524 reviews
Southwest
8.2
Very good
5,315 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.3
Good
10,000 reviews
Southwest
8.2
Very good
5,315 reviews

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Entertainment

7.8

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Boise. 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 Ontario to Boise for under $300 on Cheapflights?

    Yes, there are multiple flights from Ontario to Boise for under $300. The cheapest flight booked recently is on Alaska Airlines for just $236, but on average you can expect to pay $782.

  • Are there last-minute flights available from Ontario to Boise for under $600?

    There are currently 3+ open flights from Ontario to Boise within the next 7 days for less than $600.

  • What are the cheapest airlines flying from Ontario to Boise round-trip?

    Currently priced at $236, Alaska Airlines will fly you from Ontario to Boise and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Southwest - these airlines can fly you to your destination from $237 and $293, respectively. Users have found that Alaska Airlines is 29% cheaper than the other options available to this destination.

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

    $120 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $136 and $155, respectively.

  • What does ONT to BOI mean?

    Ontario Airport is ONT and Boise Air Term. Gowen Fld Airport is BOI. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Ontario to Boise that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Boise 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 Ontario to Boise with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Boise 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 Ontario to Boise that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Boise 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 Ontario to Boise that allow pets onboard?

    Many airlines flying from Ontario to Boise 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 Ontario to Boise?

    Yes, you can often find last-minute deals on Ontario to Boise 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 Ontario to Boise flight deals updated?

    The Ontario to Boise flight deals you see on this page were last updated on 9/19.

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

    Currently, October is the cheapest month in which you can book a flight from Ontario to Boise (average of $50). Flying from Ontario to Boise in August is currently the most expensive (average of $124). 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

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Top 7 airlines flying from Ontario to Boise

Discover the top 7 airlines that operate flights from Ontario to Boise. 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 3,082,863 searches. Data last updated September 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$163FlexibilityNo cancel feeOn-time65%
Avelo AirlinesCheapest$132Average$163FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$208Average$326FlexibilityNo cancel feeOn-time75%
DeltaCheapest$225Average$326FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$256Average$587FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$268Average$338FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$276Average$424FlexibilityNo cancel feeOn-time69%
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Search flights from Ontario to Boise by cabin class

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