What airlines fly to Oregon?

Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to Oregon from Ontario according to our data. Alaska Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 10 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

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

35 flights are operational weekly from Ontario to Oregon as of November 2025. The most popular departure day for this route is Wed, with 23% of flights per week taking off on this day.

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

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

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

The number of flights available between Ontario and Oregon is 5 per day as of November 2025. The most frequent departure time is 10:00AM, with 65% of daily flights leaving at noon.

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

Prices for flights from Ontario Airport to Oregon were last updated today.

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

As of November 2025, there are 7 operators available to choose from for flights from Ontario Airport to Oregon.

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

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 Ontario Airport to Oregon.

What documentation or ID do you need to fly to Oregon?

The travel and health documents required for your trip to Oregon can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oregon. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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Cheap round-trip flights

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7:56 pm - 10:57 pmONT-BOI

2h 01mnonstop

6:09 pm - 7:16 pmBOI-ONT

2h 07mnonstop

$136Alaska Airlines

Find Deal

Wed, Jan 7 - Wed, Jan 14

7:37 pm - 10:36 pmONT-BOI

1h 59mnonstop

6:07 pm - 7:14 pmBOI-ONT

2h 07mnonstop

$137Alaska Airlines

Find Deal

Sat, Feb 28 - Tue, Mar 3

3:30 pm - 9:56 pmONT-BOI

5h 26m1 stop

7:30 am - 1:54 pmBOI-ONT

7h 24m1 stop

$147Delta

Find Deal

Sat, Feb 28 - Tue, Mar 3

8:30 am - 2:20 pmONT-BOI

4h 50m1 stop

7:45 am - 2:45 pmBOI-ONT

8h 00m1 stop

$151Southwest

Find Deal

Tue, Jan 6 - Wed, Jan 7

1:46 pm - 8:09 pmONT-BOI

5h 23m1 stop

6:07 pm - 7:14 pmBOI-ONT

2h 07mnonstop

$155Alaska Airlines

Find Deal

Wed, Feb 11 - Wed, Feb 18

6:05 am - 12:25 pmONT-BOI

5h 20m1 stop

10:45 am - 4:05 pmBOI-ONT

6h 20m1 stop

$169Southwest

Find Deal

Wed, Jan 7 - Thu, Jan 8

1:46 pm - 4:20 pmONT-PDX

2h 34mnonstop

2:43 pm - 5:03 pmPDX-ONT

2h 20mnonstop

$173Hawaiian Airlines

Find Deal

Thu, Jan 15 - Sun, Jan 18

7:30 am - 10:45 pmONT-RDM

15h 15m1 stop

5:25 pm - 10:37 pmRDM-ONT

5h 12m1 stop

$207Delta

Find Deal

Sat, Feb 28 - Tue, Mar 3

1:53 pm - 12:52 pmONT-OTH

22h 59m1 stop

1:47 pm - 10:57 pmOTH-ONT

9h 10m1 stop

$483United Airlines

Find Deal

Sat, Feb 14 - Wed, Feb 18

6:00 am - 1:32 pmONT-OTH

7h 32m1 stop

2:13 pm - 10:41 pmOTH-ONT

8h 28m1 stop

$498United Airlines

Find Deal

Tue, Dec 23 - Mon, Dec 29

American Airlines flights from Ontario to Oregon

Our best American Airlines deals on Ontario to Oregon flight tickets

American Airlines

Jan 31

ONT12:57 pmOntario

6h 54m

1 stop

PDX7:51 pmPortland

Feb 3

PDX5:25 amPortland

6h 38m

1 stop

ONT12:03 pmOntario

$166

Find similar

American Airlines

Dec 10

ONT12:55 pmOntario

6h 48m

1 stop

EUG7:43 pmEugene

Dec 17

EUG5:30 amEugene

6h 30m

1 stop

ONT12:00 pmOntario

$271

Find similar

American Airlines

Dec 10

ONT12:55 pmOntario

6h 48m

1 stop

EUG7:43 pmEugene

Dec 30

EUG5:25 amEugene

6h 28m

1 stop

ONT11:53 amOntario

$284

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Frontier flights from Ontario to Oregon

Our best Frontier deals on Ontario to Oregon flight tickets

Frontier

Dec 6

ONT3:20 pmOntario

20h 36m

1 stop

PDX11:56 amPortland

Jan 4

PDX2:19 pmPortland

26h 56m

1 stop

ONT5:15 pmOntario

$183

Find similar

Frontier

Dec 6

ONT3:20 pmOntario

20h 36m

1 stop

PDX11:56 amPortland

Jan 4

PDX2:19 pmPortland

26h 56m

1 stop

ONT5:15 pmOntario

$184

Find similar

Frontier

Dec 25

ONT6:00 amOntario

7h 24m

1 stop

PDX1:24 pmPortland

Dec 30

PDX12:47 pmPortland

11h 12m

1 stop

ONT11:59 pmOntario

$186

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Wed 1/7

7:56 pm-10:57 pm

Nonstop2h 01m

Boise Air Term. Gowen Fld

Wed 1/14

6:09 pm-7:16 pm

Nonstop2h 07m

$136

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Sat 2/28

7:37 pm-10:36 pm

Nonstop1h 59m

Boise Air Term. Gowen Fld

Tue 3/3

6:07 pm-7:14 pm

Nonstop2h 07m

$137

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Sat 2/28

3:30 pm-9:56 pm

1 stop5h 26m

Boise Air Term. Gowen Fld

Tue 3/3

7:30 am-1:54 pm

1 stop7h 24m

$147

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Tue 1/6

8:30 am-2:20 pm

1 stop4h 50m

Boise Air Term. Gowen Fld

Wed 1/7

7:45 am-2:45 pm

1 stop8h 00m

$151

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Wed 2/11

1:46 pm-8:09 pm

1 stop5h 23m

Boise Air Term. Gowen Fld

Wed 2/18

6:07 pm-7:14 pm

Nonstop2h 07m

$155

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Wed 1/7

6:05 am-12:25 pm

1 stop5h 20m

Boise Air Term. Gowen Fld

Thu 1/8

10:45 am-4:05 pm

1 stop6h 20m

$169

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Thu 1/15

1:46 pm-4:20 pm

Nonstop2h 34m

Portland

Sun 1/18

2:43 pm-5:03 pm

Nonstop2h 20m

$173

OntarioRedmond

ONT - RDM

ONTRDM

Ontario

Sat 2/28

7:30 am-10:45 pm

1 stop15h 15m

Bend/Redmond

Tue 3/3

5:25 pm-10:37 pm

1 stop5h 12m

$207

OntarioNorth Bend

ONT - OTH

ONTOTH

Ontario

Sat 2/14

1:53 pm-12:52 pm

1 stop22h 59m

North Bend

Wed 2/18

1:47 pm-10:57 pm

1 stop9h 10m

$483

OntarioNorth Bend

ONT - OTH

ONTOTH

Ontario

Tue 12/23

6:00 am-1:32 pm

1 stop7h 32m

North Bend

Mon 12/29

2:13 pm-10:41 pm

1 stop8h 28m

$498

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How to get the cheapest flight ticket from Ontario to Oregon

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 Oregon?

The month of January is, on average, the cheapest month to fly to Oregon from Ontario, with most prices found around $176. The month of October is another great option to travel to Oregon, with average flight prices from Ontario averaging around $182.

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

On average, the least expensive day to fly to Oregon from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $204. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Sunday, with ticket prices averaging around $257.

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

According to our data, the cheapest time of day to fly to Oregon is at noon. momondo users have found flights departing from Ontario to Oregon at noon for as low as $162. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Oregon are more costly in the evening, with an average ticket price of $277. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ontario to Oregon flight route?

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

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

You are more likely to see cheaper flights to Oregon from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Oregon for around $214 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oregon from Ontario for as low as $178 on momondo.

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

There are 4 cabin classes available to choose from on Ontario to Oregon 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 Ontario to Oregon flights?

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

Cheap Ontario to Oregon flight deals and tips

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

Best Price Found	$109
Fastest flight time	1h 59m
Direct flights	Every day
Airports in Oregon	2 airports

The best one-way flight to Oregon from Ontario in the past 72 hours is $109. The best round-trip flight deal from Ontario to Oregon found on momondo in the last 72 hours is $194.

The fastest flight from Ontario to Oregon takes 1h 59m

Direct flights go from Ontario to Oregon every day.

There are 2 airports near Oregon: Portland (PDX), Boise Air Term. Gowen Fld (BOI)

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Oregon?
Prices for flights from Ontario Airport to Oregon were last updated today.
How many operators does momondo search for flights from Ontario Airport to Oregon?
As of November 2025, there are 7 operators available to choose from for flights from Ontario Airport to Oregon.
How old do you have to be to fly from Ontario Airport to Oregon?
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 Ontario Airport to Oregon.
What documentation or ID do you need to fly to Oregon?
The travel and health documents required for your trip to Oregon can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oregon. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ontario to Oregon?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ontario to Oregon is Boeing 737-800 Passenger/BBJ2 (winglets) (16.81% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (14.77%), Embraer 175 (14.35%), and Boeing 737-900 Passenger/BBJ3 (winglets) (12.37%).

Best airlines flying from Ontario to Oregon

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $77	Free Cancellation	Rating 5.8 3,101 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $88	Free Cancellation	Rating 7.8 2,815 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $137	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
United Airlines	PriceFrom $153	Free Cancellation	Rating 7.4 9,050 reviews	Search United Airlines flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,253 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $165	Free Cancellation	Rating 8.0 11,361 reviews	Search Alaska Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Oregon. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Ontario to Oregon flights to just show those with flexible booking policies.

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

Once all potential Ontario to Oregon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Ontario to Oregon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Oregon trip

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Find better results for your trip to Oregon

Popular cities in Oregon

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Flights to Seattlefrom $58

Cheap flights from Ontario to Oregon 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 Ontario to Oregon departing on 1/24. 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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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Ontario to Oregon

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American Airlines flights from Ontario to Oregon

Our best American Airlines deals on Ontario to Oregon flight tickets

Frontier flights from Ontario to Oregon

Our best Frontier deals on Ontario to Oregon flight tickets

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

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How to get the cheapest flight ticket from Ontario to Oregon

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 Oregon?

The month of January is, on average, the cheapest month to fly to Oregon from Ontario, with most prices found around $176. The month of October is another great option to travel to Oregon, with average flight prices from Ontario averaging around $182.

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

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

What is the cheapest Ontario to Oregon flight route?

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

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

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

There are 4 cabin classes available to choose from on Ontario to Oregon 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 Ontario to Oregon flights?

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

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

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

What airlines fly to Oregon?

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

The number of flights available between Ontario and Oregon is 5 per day as of November 2025. The most frequent departure time is 10:00AM, with 65% of daily flights leaving at noon.

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

35 flights are operational weekly from Ontario to Oregon as of November 2025. The most popular departure day for this route is Wed, with 23% of flights per week taking off on this day.

Cheap Ontario to Oregon flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Oregon

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

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

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

What documentation or ID do you need to fly to Oregon?

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

Best airlines flying from Ontario to Oregon

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

Why use momondo?

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

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

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

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

An easier way to manage your Oregon 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 Oregon

Popular cities in Oregon

Popular flights according to clicks in the last 7 days on momondo