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$53+ Cheap flights from Ontario (ONT) to Oregon

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PDX
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Ontario to Oregon

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Oregon (USOR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Ontario to Oregon

Cheapest flights from Ontario to Oregon
Explore the most affordable flight options available from Ontario to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:03 pmONT - PDX
Nonstop2h 21mFrontier
Wed 1/17:29 pmPDX - ONT
Nonstop2h 20mFrontier
Deal found 11/19$91
This Orbitz deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/68:04 amONT - PDX
Nonstop2h 21mMultiple Airlines
Sun 12/87:55 pmPDX - ONT
Nonstop2h 20mMultiple Airlines
Deal found 11/20$133
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/101:53 pmONT - PDX
1 stop7h 02mAlaska Airlines
Sun 12/158:20 amPDX - ONT
Nonstop2h 16mAlaska Airlines
Deal found 11/19$166
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/61:25 pmONT - PDX
1 stop5h 05mDelta
Sun 12/85:19 pmPDX - ONT
1 stop6h 55mDelta
Deal found 11/20$186
This American Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/79:53 amONT - PDX
1 stop6h 55mAmerican Airlines
Wed 12/115:00 amPDX - ONT
1 stop7h 00mAmerican Airlines
Deal found 11/18$187
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:50 amONT - BOI
1 stop6h 30mDelta
Sat 1/119:15 amBOI - ONT
1 stop7h 10mDelta
Deal found 11/19$203
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/135:50 amONT - MFR
1 stop5h 29mDelta
Sat 12/146:00 amMFR - ONT
1 stop5h 20mDelta
Deal found 11/19$223
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/145:50 amONT - EUG
1 stop4h 57mDelta
Sun 12/155:00 amEUG - ONT
1 stop5h 35mDelta
Deal found 11/20$224
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/146:00 amONT - PDX
1 stop4h 20mUnited Airlines
Sat 12/147:30 pmPDX - ONT
1 stop4h 28mUnited Airlines
Deal found 11/19$226
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/156:00 amONT - BOI
1 stop4h 35mUnited Airlines
Mon 12/166:53 pmBOI - ONT
1 stop6h 05mUnited Airlines
Deal found 11/19$260
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:00 amONT - RDM
1 stop5h 00mAlaska Airlines
Sat 12/141:36 pmRDM - ONT
1 stop7h 28mAlaska Airlines
Deal found 11/19$274
This Alaska Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:00 amONT - BOI
1 stop15h 18mAlaska Airlines
Tue 12/245:00 pmBOI - ONT
1 stop17h 45mAlaska Airlines
Deal found 11/18$289

Find flights from Ontario to Oregon within your budget

Customize your flight search to find flights from Ontario to Oregon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Mon 1/13

8:04 am-10:25 am

Nonstop2h 21m

Portland

Fri 1/17

10:35 am-12:56 pm

Nonstop2h 21m

$82

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Thu 12/5

7:00 am-9:25 am

Nonstop2h 25m

Portland

Fri 12/6

10:37 am-12:57 pm

Nonstop2h 20m

$133

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 1/11

6:00 am-11:00 am

1 stop5h 00m

Portland

Sat 1/11

2:45 pm-5:04 pm

Nonstop2h 19m

$141

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Fri 12/6

1:25 pm-6:30 pm

1 stop5h 05m

Portland

Sun 12/8

5:19 pm-12:14 am

1 stop6h 55m

$186

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 12/7

9:53 am-4:48 pm

1 stop6h 55m

Portland

Wed 12/11

5:00 am-12:00 pm

1 stop7h 00m

$187

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Sat 2/1

6:00 am-1:45 pm

1 stop6h 45m

Boise Air Term. Gowen Fld

Mon 2/3

2:40 pm-10:49 am

1 stop21h 09m

$202

OntarioBoise

ONT - BOI

ONTBOI

Ontario

Wed 12/11

5:50 am-1:20 pm

1 stop6h 30m

Boise Air Term. Gowen Fld

Sat 1/11

9:15 am-3:25 pm

1 stop7h 10m

$203

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Fri 1/31

7:01 pm-9:08 pm

1 stop26h 07m

Eugene

Tue 2/4

8:38 am-8:13 pm

1 stop11h 35m

$222

OntarioMedford

ONT - MFR

ONTMFR

Ontario

Fri 12/13

5:50 am-11:19 am

1 stop5h 29m

Medford

Sat 12/14

6:00 am-11:20 am

1 stop5h 20m

$223

OntarioEugene

ONT - EUG

ONTEUG

Ontario

Sat 12/14

5:50 am-10:47 am

1 stop4h 57m

Eugene

Sun 12/15

5:00 am-10:35 am

1 stop5h 35m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 47 results
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Best time to book a flight from Ontario to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Oregon

Get recent, data-driven insights about flights from Ontario to Oregon including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Oregon?

Currently, November is the cheapest month in which you can book a flight from Ontario to Oregon (average of $268). Flying from Ontario to Oregon in July is currently the most expensive (average of $341). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to OR?

Find hourly flight availability from Ontario to Oregon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Oregon as you normally would.

Rainfall in Oregon by month

Plan your trip to Oregon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oregon ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Oregon when rainfall is around 0.7 in.

Temperature in Oregon by month

Plan your trip to Oregon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oregon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oregon. Reviews last updated November 20, 2024.
Peruse reviews from past customers who have flown with Frontier, American Airlines and Alaska Airlines from Ontario to Oregon to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Avelo Airlines
7.5
Good
74 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Oregon?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Oregon.

  • How popular is this Ontario to Oregon flight route?

    The Ontario to Oregon flight path was viewed by 116 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    $53 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $69 and $78, respectively.

  • What are the most popular routes from Ontario to Oregon?

    Most travelers choose Ontario - Portland, Ontario - Boise Air Term. Gowen Fld or Ontario - Eugene when deciding on the best route from Ontario to Oregon.

  • What are the most reliable airlines from Ontario to Oregon?

    Consider Southwest (100%), Frontier (91%) or Alaska Airlines (90%) when booking your flight. These represent the most reliable airlines when flying from Ontario to Oregon.

  • What are the cheapest flights from Ontario to Oregon?

    On average you can expect to pay $615 for a flight from Ontario to Oregon. The cheapest flight overall is $37 while the most popular route, (Ontario - Portland) is currently priced at $103.

  • Can I find deals for flights from Ontario to Oregon that include hotel bookings?

    Yes. In addition to deals on Ontario to Oregon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Oregon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Oregon.

  • Can I find deals for business class flights from Ontario to Oregon?

    Yes. Cheapflights offers flight deals from Ontario to Oregon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Oregon?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Oregon (average of $268). Flying from Ontario to Oregon in July is currently the most expensive (average of $341). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Ontario to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Ontario to Oregon

Discover the top 9 airlines that operate flights from Ontario to Oregon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$120FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$58Average$104FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$96Average$136FlexibilityNo cancel feeOn-time88%
Avelo AirlinesCheapest$138Average$180FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$154Average$360FlexibilityNo cancel feeOn-time75%
DeltaCheapest$186Average$333FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$190Average$449FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$221Average$297FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$241Average$346FlexibilityNo cancel feeOn-time63%
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