Cheap flights from Boise to Ontario (BOI - ONT)

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The best prices from Boise Air Term. Gowen Fld to Ontario are usually found in September or January, booked 24 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

How to find the cheapest flight from
Boise (BOI) to Ontario (ONT)

All the information you need to plan the best BOI to ONT flight in 2022: compare Boise to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
BOI - ONT
Price
$175 - $462
ONT
Temperature
53.6 - 78.8 °F
ONT
Rainfall
0.1 - 3.4 inches

Popular in

May

High demand for flights, 27% potential price rise

Cheapest in

September

Best time to find cheap flights, 48% potential price drop

Round-trip from

$175

From Boise Air Term. Gowen Fld to Ontario

One-way from

$122

One-way flight from Boise Air Term. Gowen Fld to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Boise to Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 57 days in advance, which can save you up to 77% on flights from Boise to Ontario compared to booking the week you need them. Waiting 57 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $228. For sooner than that we have options available in the next 3 days from $309.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, August can be a great choice for travel to Ontario. Flights to Ontario from Boise in August are about $192 on average during August, but can be found for as low as $88.

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

Travelers have found that booking a Wednesday departure is the best way to save up to 117% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

When is the cheapest time to fly from Boise to Ontario (BOI - ONT)?

Unlike at noon, when flights are generally more expensive, you can save up to 32% on flights from Boise to Ontario by exploring options for tickets in the afternoon.

Cheap flights from Boise to Ontario in August, September 2022

The best prices found for BOI to ONT flights for August, September
26 Aug - 29 Aug
$106pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
7 Sep - 14 Sep
$120pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
16 Sep - 20 Sep
$125pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

Boise Air Term. Gowen Fld to Ontario 2022 flight deals

Cheap flights to Ontario from Boise found for this year
26 Aug - 29 Aug
$106pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
7 Sep - 14 Sep
$120pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
16 Sep - 20 Sep
$125pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

Cheap American Airlines flights from Boise to Ontario

24 Aug - 31 Aug
$294pp
BOI
Boise Air Term. Gowen Fld
American Airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
16 Aug - 17 Aug
$402pp
BOI
Boise Air Term. Gowen Fld
American Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
16 Aug - 17 Aug
$406pp
BOI
Boise Air Term. Gowen Fld
American Airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

Cheap United Airlines flights from Boise to Ontario

3 Sep - 13 Sep
$250pp
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
31 Aug - 7 Sep
$270pp
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
1 Sep - 4 Sep
$278pp
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

Last minute flights from Boise to Ontario

Late deals on round-trip flights to Ontario from Boise, departing today and this week
20 Aug - 22 Aug
$168pp
BOI
Boise Air Term. Gowen Fld
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
16 Aug - 17 Aug
$402pp
BOI
Boise Air Term. Gowen Fld
American Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
16 Aug - 17 Aug
$406pp
BOI
Boise Air Term. Gowen Fld
American Airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

One-way flights to Ontario from Boise

The cheapest one-way flights from Boise to Ontario
2:55 pm - 10:31 am
Multiple Airlines
2 Stops
20h 36m
BOI - ONT
Multiple Airlines
$122
Kiwi.com
9:28 am - 7:48 pm
American Airlines
2 Stops
11h 20m
BOI - ONT
American Airlines
2:45 am - 8:06 pm
United Airlines
1 Stop
18h 21m
BOI - ONT
United Airlines
$223
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Boise</span> to <span class="emphasized">Ontario</span> flights.

Flight FAQs

From Boise to Ontario

Which airlines flying from Boise Air Term. Gowen Fld to Ontario have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Delta, United Airlines, and Alaska Airlines flying from Boise Air Term. Gowen Fld to Ontario have implemented new flexible cancellation policies.

Can I find flights from Boise to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from Boise to Ontario for under $200. The cheapest flight booked recently is on Multiple Airlines for just $106, but on average you can expect to pay $224.

Are there last-minute flights available from Boise to Ontario for under $200?

There are currently 10+ open flights from Boise to Ontario within the next 7 days for less than $200.

How popular is this Boise to Ontario flight route?

Within the past month, 11 users have taken a look at flights from Boise Air Term. Gowen Fld to Ontario.

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

According to our current data, United Airlines ($250), Alaska Airlines ($268), and American Airlines ($294) offers the cheapest pricing from Boise to Ontario. United Airlines is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airlines for a one-way flight from Boise to Ontario are United Airlines ($108), Delta ($109), and Alaska Airlines ($134).

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

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

What are the cheapest flights from Boise to Ontario?

On average you can expect to pay $305 for a flight from Boise to Ontario. The cheapest flight overall is $142 while the most popular route, (Boise Air Term. Gowen Fld - Ontario) is currently priced at $120.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

Do I need a COVID test to fly to Ontario from Boise?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from Boise Air Term. Gowen Fld need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from Boise Air Term. Gowen Fld are not required to present a negative COVID-19 PCR test or antigen result upon entering Ontario.

Quarantine requirements
Visitors from Boise Air Term. Gowen Fld are not required to quarantine after entering Ontario.

Do I need a test to fly back to Boise from Ontario?

Returning to Boise Air Term. Gowen Fld from Ontario

COVID-19 testing requirements
Visitors from Ontario are not required to present a negative COVID-19 PCR test or antigen result upon entering Boise Air Term. Gowen Fld.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Boise Air Term. Gowen Fld.

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for Boise to Ontario

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

Top 5 airlines flying from Boise Air Term. Gowen Fld to Ontario

The chart below displays the airlines Cheapflights users traveling from Boise to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
American Airlines
$76 $289 No cancel fee 71%
Alaska Airlines
$98 $305 No cancel fee 75%
Allegiant Air
$104 $214 No cancel fee 88%
Delta
$136 $346 No cancel fee N/A
United Airlines
$150 $371 No cancel fee 69%