How many flights depart from Oregon to Ontario on average per day?

4 flights are operational daily from Oregon to Ontario as of December 2025. The most popular departure time for this route is 5:00PM, with 52% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Oregon to Ontario?

Alaska Airlines, Delta, and American Airlines are the most popular carriers operating from Oregon to Ontario

How long does it take to fly to Ontario?

Average flight duration from Oregon to Ontario depends on which airport you fly into and out of. Flying from Medford to Los Angeles is 2h on average, while flying from Eugene to Los Angeles is 2h 11m on average. Los Angeles is the most popular airport in Ontario.

How many flights depart from Oregon to Ontario on average per week?

The number of flights available between Oregon and Ontario is 32 per week as of December 2025. The most frequent departure day is Fri, with 22% of weekly flights leaving on this day.

What airlines fly to Ontario?

Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to Ontario from Oregon according to our data. Alaska Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 10 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Oregon to Ontario Airport?

Prices for flights from Oregon to Ontario Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Oregon to Ontario Airport?

There are 6 operators available for flights from Oregon to Ontario Airport as of December 2025.

How old do you have to be to fly from Oregon to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$69 Cheap Flights from Oregon to Ontario in 2025/26

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Cheap round-trip flights

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5:50 pm - 6:57 pm

BOI

ONT

2h 07mnonstop

7:59 pm - 10:58 pm

ONT

BOI

1h 59mnonstop

$97Alaska Airlines

Sat, Feb 28 - Wed, Mar 4

6:09 pm - 7:16 pm

BOI

ONT

2h 07mnonstop

7:56 pm - 10:57 pm

ONT

BOI

2h 01mnonstop

$101Alaska Airlines

Sat, Jan 24 - Mon, Jan 26

6:09 pm - 7:16 pm

BOI

ONT

2h 07mnonstop

7:56 pm - 10:57 pm

ONT

BOI

2h 01mnonstop

$107Alaska Airlines

Sat, Jan 31 - Sun, Feb 8

5:15 pm - 10:51 pm

BOI

ONT

6h 36m1 stop

3:30 pm - 9:58 pm

ONT

BOI

5h 28m1 stop

$147Delta

Sat, Jan 17 - Sat, Jan 24

3:35 pm - 8:45 pm

BOI

ONT

6h 10m1 stop

6:00 am - 1:15 pm

ONT

BOI

6h 15m1 stop

$151Southwest

Mon, Jan 12 - Thu, Jan 15

6:00 am - 12:25 pm

PDX

ONT

6h 25m1 stop

5:10 am - 9:55 am

ONT

PDX

4h 45m1 stop

$159Southwest

Wed, Jan 28 - Sun, Mar 1

2:43 pm - 5:03 pm

PDX

ONT

2h 20mnonstop

4:03 pm - 8:47 pm

ONT

PDX

4h 44m1 stop

$160Hawaiian Airlines

Sun, Jan 11 - Wed, Jan 21

1:35 pm - 5:43 pm

PDX

ONT

4h 08m1 stop

6:00 am - 12:34 pm

ONT

PDX

6h 34m1 stop

$162United Airlines

Fri, Jan 9 - Sun, Jan 11

5:50 am - 12:16 pm

PDX

ONT

6h 26m1 stop

3:30 pm - 8:59 pm

ONT

PDX

5h 29m1 stop

$167Delta

Sun, Feb 1 - Tue, Feb 10

2:43 pm - 5:03 pm

PDX

ONT

2h 20mnonstop

7:00 am - 9:33 am

ONT

PDX

2h 33mnonstop

$169Hawaiian Airlines

Thu, Jan 15 - Sun, Jan 18

Alaska Airlines flights from Oregon to Ontario

Our best Alaska Airlines deals on Oregon to Ontario flight tickets

Alaska Airlines

Feb 28

BOI5:50 pmBoise Air Term. Gowen Fld

2h 07m

ONT6:57 pmOntario

Mar 4

ONT7:59 pmOntario

1h 59m

BOI10:58 pmBoise Air Term. Gowen Fld

$97

Find similar

Alaska Airlines

Jan 24

BOI6:09 pmBoise Air Term. Gowen Fld

2h 07m

ONT7:16 pmOntario

Jan 26

ONT7:56 pmOntario

2h 01m

BOI10:57 pmBoise Air Term. Gowen Fld

$101

Find similar

Alaska Airlines

Jan 31

BOI6:09 pmBoise Air Term. Gowen Fld

2h 07m

ONT7:16 pmOntario

Feb 8

ONT7:56 pmOntario

2h 01m

BOI10:57 pmBoise Air Term. Gowen Fld

$107

Find similar

Delta flights from Oregon to Ontario

Our best Delta deals on Oregon to Ontario flight tickets

Delta

Jan 17

BOI5:15 pmBoise Air Term. Gowen Fld

6h 36m

1 stop

ONT10:51 pmOntario

Jan 24

ONT3:30 pmOntario

5h 28m

1 stop

BOI9:58 pmBoise Air Term. Gowen Fld

$147

Find similar

Delta

Jan 24

BOI5:15 pmBoise Air Term. Gowen Fld

6h 36m

1 stop

ONT10:51 pmOntario

Jan 26

ONT7:30 amOntario

9h 58m

1 stop

BOI6:28 pmBoise Air Term. Gowen Fld

$153

Find similar

Delta

Jan 24

BOI9:15 amBoise Air Term. Gowen Fld

5h 41m

1 stop

ONT1:56 pmOntario

Jan 26

ONT7:30 amOntario

11h 42m

1 stop

BOI8:12 pmBoise Air Term. Gowen Fld

$158

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Sat 2/28

5:50 pm-6:57 pm

Nonstop2h 07m

Ontario

Wed 3/4

7:59 pm-10:58 pm

Nonstop1h 59m

$97

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Sat 1/24

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

Mon 1/26

7:56 pm-10:57 pm

Nonstop2h 01m

$101

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Sat 1/31

6:09 pm-7:16 pm

Nonstop2h 07m

Ontario

Sun 2/8

7:56 pm-10:57 pm

Nonstop2h 01m

$107

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Sat 1/17

5:15 pm-10:51 pm

1 stop6h 36m

Ontario

Sat 1/24

3:30 pm-9:58 pm

1 stop5h 28m

$147

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Mon 1/12

3:35 pm-8:45 pm

1 stop6h 10m

Ontario

Thu 1/15

6:00 am-1:15 pm

1 stop6h 15m

$151

PortlandOntario

PDX - ONT

PDXONT

Portland

Wed 1/28

6:00 am-12:25 pm

1 stop6h 25m

Ontario

Sun 3/1

5:10 am-9:55 am

1 stop4h 45m

$159

PortlandOntario

PDX - ONT

PDXONT

Portland

Sun 1/11

2:43 pm-5:03 pm

Nonstop2h 20m

Ontario

Wed 1/21

4:03 pm-8:47 pm

1 stop4h 44m

$160

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 1/9

1:35 pm-5:43 pm

1 stop4h 08m

Ontario

Sun 1/11

6:00 am-12:34 pm

1 stop6h 34m

$162

PortlandOntario

PDX - ONT

PDXONT

Portland

Sun 2/1

5:50 am-12:16 pm

1 stop6h 26m

Ontario

Tue 2/10

3:30 pm-8:59 pm

1 stop5h 29m

$167

PortlandOntario

PDX - ONT

PDXONT

Portland

Thu 1/15

2:43 pm-5:03 pm

Nonstop2h 20m

Ontario

Sun 1/18

7:00 am-9:33 am

Nonstop2h 33m

$169

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How to get the cheapest flight ticket from Oregon to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, July is the cheapest month to fly from Oregon to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $168. If you aren’t able to travel during the month of July, then book flights to Ontario from Oregon during August instead. Flights to Ontario in August, while not as cheap as those in July, still average around $172.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Friday when prices can be found for as low as $183. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Oregon to Ontario for around $283.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Oregon to Ontario when you can find flight prices for as low as $184. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $290 on average. Flights to Ontario from Oregon in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Oregon to Ontario flight route?

Fly from Portland to Ontario for the best Oregon - Ontario flight prices

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $234 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Oregon for as low as $172 on momondo.

What cabin class options are available on Oregon to Ontario flights?

There are 3 cabin classes available to choose from on Oregon to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Oregon to Ontario flights?

No. A direct flight is the cheapest option for a flight between Oregon to Ontario.

Cheap Oregon to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Ontario

Best Price Found	$157
Fastest flight time	2h 05m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Oregon in the past 72 hours is $157. The best round-trip flight deal from Oregon to Ontario found on momondo in the last 72 hours is $248.

The fastest flight from Oregon to Ontario takes 2h 05m

Direct flights go from Oregon to Ontario every day.

There is 1 airport in Ontario. From Oregon there are direct flights to Ontario (ONT).

Search flight deals

When did momondo last update prices for flights from Oregon to Ontario Airport?
Prices for flights from Oregon to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Oregon to Ontario Airport?
There are 6 operators available for flights from Oregon to Ontario Airport as of December 2025.
How old do you have to be to fly from Oregon to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Oregon to Ontario?
momondo data reveals that the most frequently booked plane model on the route from Oregon to Ontario is Boeing 737-800 Passenger/BBJ2 (winglets), representing 21.06% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 13.01%, Boeing 737 MAX 9 at 11.39%, and Airbus A320neo at 11.04%.

Best airlines flying from Oregon to Ontario

Compare and see reviews for airlines that fly from Oregon to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $60	Free Cancellation	Rating 5.8 3,083 reviews	Search Frontier flights
Delta	PriceFrom $83	Free Cancellation	Rating 7.9 8,018 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $98	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $163	Free Cancellation	Rating 8.0 11,491 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $173	Free Cancellation	Rating 8.0 4,258 reviews	Search Southwest flights
United Airlines	PriceFrom $212	Free Cancellation	Rating 7.4 9,097 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Ontario?

It is quick and easy to find Oregon to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Oregon to Ontario with flexible booking policies on momondo?

Flights from Oregon to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Oregon to Ontario?

momondo helps you find the best flight between Oregon and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Oregon to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Oregon to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

An easier way to manage your Ontario trip

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Cheap flights from Oregon to Los Angeles from $69

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Los Angeles departing on 3/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Alaska Airlines flights from Oregon to Ontario

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Use the filters below to find and compare flights from Oregon to Ontario that are best for you.

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How to get the cheapest flight ticket from Oregon to Ontario

What is the cheapest month to fly to Ontario?

What is the cheapest day to depart on your flight to Ontario?

What is the cheapest time of day to depart on your flight to Ontario?

What is the cheapest Oregon to Ontario flight route?

Fly from Portland to Ontario for the best Oregon - Ontario flight prices

How far in advance should I book a flight to Ontario?

What cabin class options are available on Oregon to Ontario flights?

There are 3 cabin classes available to choose from on Oregon to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Oregon to Ontario flights?

No. A direct flight is the cheapest option for a flight between Oregon to Ontario.

What is the cheapest airline that flies from Oregon to Ontario?

Alaska Airlines, Delta, and American Airlines are the most popular carriers operating from Oregon to Ontario

What airlines fly to Ontario?

How many flights depart from Oregon to Ontario on average per day?

4 flights are operational daily from Oregon to Ontario as of December 2025. The most popular departure time for this route is 5:00PM, with 52% of flights per day taking off in the afternoon.

How many flights depart from Oregon to Ontario on average per week?

The number of flights available between Oregon and Ontario is 32 per week as of December 2025. The most frequent departure day is Fri, with 22% of weekly flights leaving on this day.

How long does it take to fly to Ontario?

Average flight duration from Oregon to Ontario depends on which airport you fly into and out of. Flying from Medford to Los Angeles is 2h on average, while flying from Eugene to Los Angeles is 2h 11m on average. Los Angeles is the most popular airport in Ontario.

Cheap Oregon to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oregon to Ontario

Best Price Found

Fastest flight time

Direct flights

Airports in Ontario

When did momondo last update prices for flights from Oregon to Ontario Airport?

How many operators does momondo search for flights from Oregon to Ontario Airport?

How old do you have to be to fly from Oregon to Ontario Airport?

What documentation or ID do you need to fly to Ontario Airport?

What is the most popular plane model from Oregon to Ontario?

Best airlines flying from Oregon to Ontario

Compare and see reviews for airlines that fly from Oregon to Ontario with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Oregon to Ontario?

Can I find flights from Oregon to Ontario with flexible booking policies on momondo?

How can momondo help me find flights from Oregon to Ontario?

I’m not ready to book a flight from Oregon to Ontario right now. Can momondo alert me if prices change?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California