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

7 flights are operational daily from Oregon to Ontario as of August 2025. The most popular departure time for this route is 9:00PM, with 38% of flights per day taking off in the evening.

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

Frontier, Hawaiian Airlines, and Delta are the most popular carriers operating from Oregon to Ontario

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

The number of flights available between Oregon and Ontario is 53 per week as of August 2025. The most frequent departure day is Mon, with 15% 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 55% 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.

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 1h 58m on average, while flying from Eugene to Los Angeles is 2h 14m on average. Los Angeles is the most popular airport in Ontario.

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 8 operators available for flights from Oregon to Ontario Airport as of August 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.

$63 Cheap Flights from Oregon to Ontario in 2025

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Find the cheapest flights from Oregon to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:17 pm - 9:38 pmPDX-ONT

2h 21mnonstop

8:07 am - 10:33 amONT-PDX

2h 26mnonstop

$113Frontier

Find Deal

Fri, Sep 5 - Mon, Sep 8

7:17 pm - 9:38 pmPDX-ONT

2h 21mnonstop

8:07 am - 10:33 amONT-PDX

2h 26mnonstop

$125Frontier

Find Deal

Fri, Sep 26 - Sun, Sep 28

7:03 am - 9:26 amPDX-ONT

2h 23mnonstop

10:06 am - 12:25 pmONT-PDX

2h 19mnonstop

$157Alaska Airlines

Find Deal

Wed, Sep 10 - Tue, Sep 16

1:45 pm - 5:37 pmPDX-ONT

3h 52m1 stop

6:50 pm - 10:37 pmONT-PDX

3h 47m1 stop

$159United Airlines

Find Deal

Wed, Aug 27 - Wed, Sep 3

9:30 pm - 11:53 pmPDX-ONT

2h 23mnonstop

5:49 pm - 8:12 pmONT-PDX

2h 23mnonstop

$167Alaska Airlines

Find Deal

Fri, Aug 29 - Tue, Sep 2

9:30 pm - 11:54 pmPDX-ONT

2h 24mnonstop

7:10 am - 9:29 amONT-PDX

2h 19mnonstop

$177Hawaiian Airlines

Find Deal

Thu, Sep 4 - Mon, Sep 8

3:23 pm - 9:48 pmPDX-ONT

6h 25m1 stop

6:10 am - 1:16 pmONT-PDX

7h 06m1 stop

$178American Airlines

Find Deal

Thu, Sep 11 - Sat, Sep 20

6:35 am - 4:24 pmBOI-ONT

10h 49m1 stop

12:22 pm - 8:10 pmONT-BOI

6h 48m1 stop

$229American Airlines

Find Deal

Wed, Aug 27 - Sat, Aug 30

6:00 am - 12:13 pmRDM-ONT

6h 13m1 stop

6:50 pm - 10:26 pmONT-RDM

3h 36m1 stop

$237United Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 20

5:14 am - 9:26 amMFR-ONT

4h 12m1 stop

11:39 am - 5:06 pmONT-MFR

5h 27m1 stop

$238Hawaiian Airlines

Find Deal

Tue, Sep 16 - Tue, Sep 16

Frontier flights from Oregon to Ontario

Our best Frontier deals on Oregon to Ontario flight tickets

Frontier

Sep 5

PDX7:17 pmPortland

2h 21m

ONT9:38 pmOntario

Sep 8

ONT8:07 amOntario

2h 26m

PDX10:33 amPortland

$113

Find similar

Frontier

Sep 26

PDX7:17 pmPortland

2h 21m

ONT9:38 pmOntario

Sep 28

ONT8:07 amOntario

2h 26m

PDX10:33 amPortland

$125

Find similar

Frontier

Sep 5

PDX7:17 pmPortland

2h 21m

ONT9:38 pmOntario

Sep 7

ONT8:07 amOntario

2h 26m

PDX10:33 amPortland

$126

Find similar

Alaska Airlines flights from Oregon to Ontario

Our best Alaska Airlines deals on Oregon to Ontario flight tickets

Alaska Airlines

Sep 10

PDX7:03 amPortland

2h 23m

ONT9:26 amOntario

Sep 16

ONT10:06 amOntario

2h 19m

PDX12:25 pmPortland

$157

Find similar

Alaska Airlines

Aug 29

PDX9:30 pmPortland

2h 23m

ONT11:53 pmOntario

Sep 2

ONT5:49 pmOntario

2h 23m

PDX8:12 pmPortland

$167

Find similar

Alaska Airlines

Sep 9

PDX6:05 amPortland

4h 39m

1 stop

ONT10:44 amOntario

Sep 23

ONT3:06 pmOntario

7h 41m

1 stop

PDX10:47 pmPortland

$176

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 9/5

7:17 pm-9:38 pm

Nonstop2h 21m

Ontario

Mon 9/8

8:07 am-10:33 am

Nonstop2h 26m

$113

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 9/26

7:17 pm-9:38 pm

Nonstop2h 21m

Ontario

Sun 9/28

8:07 am-10:33 am

Nonstop2h 26m

$125

PortlandOntario

PDX - ONT

PDXONT

Portland

Wed 9/10

7:03 am-9:26 am

Nonstop2h 23m

Ontario

Tue 9/16

10:06 am-12:25 pm

Nonstop2h 19m

$157

PortlandOntario

PDX - ONT

PDXONT

Portland

Wed 8/27

1:45 pm-5:37 pm

1 stop3h 52m

Ontario

Wed 9/3

6:50 pm-10:37 pm

1 stop3h 47m

$159

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 8/29

9:30 pm-11:53 pm

Nonstop2h 23m

Ontario

Tue 9/2

5:49 pm-8:12 pm

Nonstop2h 23m

$167

PortlandOntario

PDX - ONT

PDXONT

Portland

Thu 9/4

9:30 pm-11:54 pm

Nonstop2h 24m

Ontario

Mon 9/8

7:10 am-9:29 am

Nonstop2h 19m

$177

PortlandOntario

PDX - ONT

PDXONT

Portland

Thu 9/11

3:23 pm-9:48 pm

1 stop6h 25m

Ontario

Sat 9/20

6:10 am-1:16 pm

1 stop7h 06m

$178

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Wed 8/27

6:35 am-4:24 pm

1 stop10h 49m

Ontario

Sat 8/30

12:22 pm-8:10 pm

1 stop6h 48m

$229

RedmondOntario

RDM - ONT

RDMONT

Bend/Redmond

Sat 8/30

6:00 am-12:13 pm

1 stop6h 13m

Ontario

Sat 9/20

6:50 pm-10:26 pm

1 stop3h 36m

$237

MedfordOntario

MFR - ONT

MFRONT

Medford

Tue 9/16

5:14 am-9:26 am

1 stop4h 12m

Ontario

Tue 9/16

11:39 am-5:06 pm

1 stop5h 27m

$238

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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, September 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 $128. If you aren’t able to travel during the month of September, then book flights to Ontario from Oregon during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $140.

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 $162. 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 $218.

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 $165. 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 evening when prices are $218 on average. Flights to Ontario from Oregon in the evening 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 $214 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 $148 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	$63
Fastest flight time	2h 12m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Oregon in the past 72 hours is $63. The best round-trip flight deal from Oregon to Ontario found on momondo in the last 72 hours is $113.

The fastest flight from Oregon to Ontario takes 2h 12m

Direct flights go from Oregon to Ontario every day.

There is 1 airport near Ontario: 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 8 operators available for flights from Oregon to Ontario Airport as of August 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 Embraer 175, representing 19.78% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 12.98%, Boeing 737 MAX 8 at 11.70%, and Airbus A321-100/200 at 11.16%.

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 $61	Free Cancellation	Rating 5.8 3,241 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $68	Free Cancellation	Rating 6.3 8,054 reviews	Search Spirit Airlines flights
Delta	PriceFrom $93	Free Cancellation	Rating 8.0 7,983 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,613 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $156	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $166	Free Cancellation	Rating 7.4 8,904 reviews	Search United Airlines flights
Southwest	PriceFrom $173	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $216	Free Cancellation	Rating 7.2 10,000 reviews	Search American 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

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.

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Cheap flights from Oregon to Los Angeles from $63

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 8/24. 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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Frontier flights from Oregon to Ontario

Our best Frontier deals on Oregon to Ontario flight tickets

Alaska Airlines flights from Oregon to Ontario

Our best Alaska Airlines deals on Oregon to Ontario flight tickets

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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

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

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?

Frontier, Hawaiian Airlines, and Delta 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?

7 flights are operational daily from Oregon to Ontario as of August 2025. The most popular departure time for this route is 9:00PM, with 38% of flights per day taking off in the evening.

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

The number of flights available between Oregon and Ontario is 53 per week as of August 2025. The most frequent departure day is Mon, with 15% 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 1h 58m on average, while flying from Eugene to Los Angeles is 2h 14m 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