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 12m on average. Los Angeles is the most popular airport in Ontario.

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

7 flights are operational daily from Oregon to Ontario as of September 2025. The most popular departure time for this route is 7:00AM, with 34% of flights per day taking off in the evening.

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 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 September 2025. The most frequent departure day is Fri, with 21% of weekly flights leaving on this day.

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

Frontier, Southwest, and Delta are the most popular carriers operating from Oregon to 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 6 operators available for flights from Oregon to Ontario Airport as of September 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.

$64 Cheap Flights from Oregon to Ontario in 2025/26

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Find the cheapest flights from Oregon to Los Angeles

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:30 pm - 9:52 pmPDX-ONT

2h 22mnonstop

8:32 am - 10:58 amONT-PDX

2h 26mnonstop

$108Frontier

Find Deal

Sun, Oct 26 - Mon, Oct 27

7:30 pm - 9:52 pmPDX-ONT

2h 22mnonstop

8:32 am - 10:58 amONT-PDX

2h 26mnonstop

$109Frontier

Find Deal

Fri, Oct 24 - Mon, Oct 27

5:40 am - 12:14 pmPDX-ONT

6h 34m1 stop

1:15 pm - 6:09 pmONT-PDX

4h 54m1 stop

$151Delta

Find Deal

Tue, Oct 14 - Tue, Oct 21

9:34 pm - 11:55 pmPDX-ONT

2h 21mnonstop

7:10 am - 9:41 amONT-PDX

2h 31mnonstop

$170Alaska Airlines

Find Deal

Mon, Dec 1 - Sat, Dec 6

2:46 pm - 5:05 pmPDX-ONT

2h 19mnonstop

7:20 am - 9:50 amONT-PDX

2h 30mnonstop

$177Alaska Airlines

Find Deal

Sat, Nov 8 - Tue, Nov 11

5:00 pm - 11:39 pmPDX-ONT

6h 39m1 stop

9:50 am - 4:05 pmONT-PDX

6h 15m1 stop

$184Delta

Find Deal

Fri, Oct 17 - Sat, Oct 18

6:00 am - 12:37 pmRDM-ONT

6h 37m1 stop

6:00 am - 12:15 pmONT-RDM

6h 15m1 stop

$195United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

6:47 pm - 10:49 pmEUG-ONT

4h 02m1 stop

6:41 pm - 10:59 pmONT-EUG

4h 18m1 stop

$208United Airlines

Find Deal

Fri, Dec 5 - Tue, Dec 9

4:05 pm - 11:40 pmEUG-ONT

7h 35m1 stop

7:00 am - 12:50 pmONT-EUG

5h 50m1 stop

$239Southwest

Find Deal

Thu, Oct 23 - Sun, Oct 26

11:30 am - 5:00 pmBOI-ONT

6h 30m2 stops

7:00 am - 12:15 pmONT-BOI

4h 15m1 stop

$292Southwest

Find Deal

Wed, Oct 22 - Sun, Oct 26

American Airlines flights from Oregon to Ontario

Our best American Airlines deals on Oregon to Ontario flight tickets

American Airlines

Oct 15

EUG6:00 amEugene

6h 01m

1 stop

ONT12:01 pmOntario

Oct 18

ONT6:15 amOntario

7h 17m

1 stop

EUG1:32 pmEugene

$281

Find similar

American Airlines

Nov 18

BOI2:16 pmBoise Air Term. Gowen Fld

5h 04m

1 stop

ONT6:20 pmOntario

Nov 25

ONT4:47 pmOntario

5h 50m

1 stop

BOI11:37 pmBoise Air Term. Gowen Fld

$282

Find similar

American Airlines

Oct 23

EUG6:00 amEugene

6h 01m

1 stop

ONT12:01 pmOntario

Oct 26

ONT6:15 amOntario

7h 17m

1 stop

EUG1:32 pmEugene

$284

Find similar

United Airlines flights from Oregon to Ontario

Our best United Airlines deals on Oregon to Ontario flight tickets

United Airlines

Nov 13

RDM6:00 amBend/Redmond

6h 37m

1 stop

ONT12:37 pmOntario

Nov 17

ONT6:00 amOntario

6h 15m

1 stop

RDM12:15 pmBend/Redmond

$195

Find similar

United Airlines

Dec 5

EUG6:47 pmEugene

4h 02m

1 stop

ONT10:49 pmOntario

Dec 9

ONT6:41 pmOntario

4h 18m

1 stop

EUG10:59 pmEugene

$208

Find similar

United Airlines

Oct 11

MFR2:13 pmMedford

3h 36m

1 stop

ONT5:49 pmOntario

Oct 14

ONT1:53 pmOntario

6h 36m

1 stop

MFR8:29 pmMedford

$259

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandOntario

PDX - ONT

PDXONT

Portland

Sun 10/26

7:30 pm-9:52 pm

Nonstop2h 22m

Ontario

Mon 10/27

8:32 am-10:58 am

Nonstop2h 26m

$108

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 10/24

7:30 pm-9:52 pm

Nonstop2h 22m

Ontario

Mon 10/27

8:32 am-10:58 am

Nonstop2h 26m

$109

PortlandOntario

PDX - ONT

PDXONT

Portland

Tue 10/14

5:40 am-12:14 pm

1 stop6h 34m

Ontario

Tue 10/21

1:15 pm-6:09 pm

1 stop4h 54m

$151

PortlandOntario

PDX - ONT

PDXONT

Portland

Mon 12/1

9:34 pm-11:55 pm

Nonstop2h 21m

Ontario

Sat 12/6

7:10 am-9:41 am

Nonstop2h 31m

$170

PortlandOntario

PDX - ONT

PDXONT

Portland

Sat 11/8

2:46 pm-5:05 pm

Nonstop2h 19m

Ontario

Tue 11/11

7:20 am-9:50 am

Nonstop2h 30m

$177

PortlandOntario

PDX - ONT

PDXONT

Portland

Fri 10/17

5:00 pm-11:39 pm

1 stop6h 39m

Ontario

Sat 10/18

9:50 am-4:05 pm

1 stop6h 15m

$184

RedmondOntario

RDM - ONT

RDMONT

Bend/Redmond

Thu 11/13

6:00 am-12:37 pm

1 stop6h 37m

Ontario

Mon 11/17

6:00 am-12:15 pm

1 stop6h 15m

$195

EugeneOntario

EUG - ONT

EUGONT

Eugene

Fri 12/5

6:47 pm-10:49 pm

1 stop4h 02m

Ontario

Tue 12/9

6:41 pm-10:59 pm

1 stop4h 18m

$208

EugeneOntario

EUG - ONT

EUGONT

Eugene

Thu 10/23

4:05 pm-11:40 pm

1 stop7h 35m

Ontario

Sun 10/26

7:00 am-12:50 pm

1 stop5h 50m

$239

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

Wed 10/22

11:30 am-5:00 pm

2 stops6h 30m

Ontario

Sun 10/26

7:00 am-12:15 pm

1 stop4h 15m

$292

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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, October 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 $161. If you aren’t able to travel during the month of October, then book flights to Ontario from Oregon during July instead. Flights to Ontario in July, while not as cheap as those in October, still average around $168.

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 $166. 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 $251.

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 $173. 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 at noon when prices are $258 on average. Flights to Ontario from Oregon at noon 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 $222 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 $156 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	$89
Fastest flight time	2h 10m
Direct flights	Every day
Airports in Ontario	1 airport

The best one-way flight to Ontario from Oregon in the past 72 hours is $89. The best round-trip flight deal from Oregon to Ontario found on momondo in the last 72 hours is $117.

The fastest flight from Oregon to Ontario takes 2h 10m

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 6 operators available for flights from Oregon to Ontario Airport as of September 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 17.40% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 15.47%, Boeing 737 MAX 8 at 10.87%, and Airbus A321-100/200 at 9.98%.

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 $64	Free Cancellation	Rating 5.8 3,171 reviews	Search Frontier flights
Delta	PriceFrom $93	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $98	Free Cancellation	Rating 7.8 2,732 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $158	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $161	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $173	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest 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 $64

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 10/17. 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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American Airlines flights from Oregon to Ontario

Our best American Airlines deals on Oregon to Ontario flight tickets

United Airlines flights from Oregon to Ontario

Our best United 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, Southwest, 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 September 2025. The most popular departure time for this route is 7:00AM, with 34% 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 September 2025. The most frequent departure day is Fri, with 21% 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 12m 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