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$39+ Cheap flights from Oregon to Ontario (ONT)

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — ONT
gru 26 — sty 21
czw. 12/26
czw. 1/2
1 adult, Economy
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Cheap flight deals from Oregon to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Oregon (USOR) to Ontario (ONT). 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 Grudzień 21, 2024.

Round-trip from

$100
(Mytrip)

One-way from

$39
(Cheapflightsfares)
From Oregon to Ontario
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One-way flight from Oregon to Ontario
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Find flight deals from Oregon to Ontario

Cheapest flights from Oregon to Ontario
Explore the most affordable flight options available from Oregon to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on Grudzień 21, 2024.

This FlightHub deal was found by Cheapflights users on 12/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 12/306:59 pmPDX - ONT
Nonstop2h 20mFrontier
pon. 1/66:03 pmONT - PDX
Nonstop2h 21mFrontier
Deal found 12/20$113
This eDestinos deal was found by Cheapflights users on 12/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 12/306:59 pmPDX - ONT
Nonstop2h 20mMultiple Airlines
ndz. 1/510:31 pmONT - PDX
1 stop19h 51mMultiple Airlines
Deal found 12/20$240
This Alaska Airlines deal was found by Cheapflights users on 12/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 12/225:39 pmPDX - ONT
Nonstop2h 18mAlaska Airlines
śr. 1/155:44 pmONT - PDX
Nonstop2h 26mAlaska Airlines
Deal found 12/20$327
This Delta deal was found by Cheapflights users on 12/20. 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.
ndz. 12/297:20 pmPDX - ONT
1 stop5h 08mDelta
śr. 1/15:30 amONT - PDX
1 stop7h 09mDelta
Deal found 12/20$352
This United deal was found by Cheapflights users on 12/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 12/289:40 amBOI - ONT
1 stop4h 36mUnited Airlines
pon. 1/2710:47 amONT - BOI
1 stop4h 40mUnited Airlines
Deal found 12/21$472
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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.
pt. 12/271:45 pmBOI - ONT
1 stop7h 12mAlaska Airlines
wt. 1/75:44 pmONT - BOI
1 stop4h 48mAlaska Airlines
Deal found 12/21$496
This Southwest deal was found by Cheapflights users on 12/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 12/277:05 pmBOI - ONT
1 stop3h 55mSouthwest
pon. 1/66:15 amONT - BOI
1 stop7h 30mSouthwest
Deal found 12/21$506
This Alaska Airlines deal was found by Cheapflights users on 12/19. 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.
czw. 12/266:59 pmMFR - ONT
1 stop5h 00mAlaska Airlines
czw. 1/96:00 amONT - MFR
1 stop5h 08mAlaska Airlines
Deal found 12/19$518
This Delta deal was found by Cheapflights users on 12/21. 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.
śr. 12/257:35 amBOI - ONT
1 stop6h 00mDelta
wt. 1/75:10 pmONT - BOI
1 stop6h 08mDelta
Deal found 12/21$521
This United Airlines deal was found by Cheapflights users on 12/21. 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.
ndz. 12/296:53 pmEUG - ONT
1 stop4h 07mUnited Airlines
śr. 1/16:00 amONT - EUG
1 stop6h 16mUnited Airlines
Deal found 12/21$587
This Delta deal was found by Cheapflights users on 12/20. 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.
pon. 12/235:05 amMFR - ONT
1 stop7h 15mDelta
pon. 12/305:30 amONT - MFR
1 stop6h 37mDelta
Deal found 12/20$596
This United Airlines deal was found by Cheapflights users on 12/21. 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.
wt. 12/316:30 pmMFR - ONT
1 stop4h 30mUnited Airlines
pt. 1/36:00 amONT - MFR
1 stop6h 08mUnited Airlines
Deal found 12/21$617

Find flights from Oregon to Ontario within your budget

Customize your flight search to find flights from Oregon to Ontario 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 2,558,603 searches. Data last updated Grudzień 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandOntario

PDX - ONT

PDXONT

Portland

pt. 1/24

10:35 am-12:56 pm

Nonstop2h 21m

Ontario

pon. 1/27

6:45 am-10:31 pm

1 stop15h 46m

$100

PortlandOntario

PDX - ONT

PDXONT

Portland

śr. 1/22

8:13 am-10:34 am

Nonstop2h 21m

Ontario

pt. 1/24

8:01 am-10:27 am

Nonstop2h 26m

$123

PortlandOntario

PDX - ONT

PDXONT

Portland

sob. 2/22

2:45 pm-4:59 pm

Nonstop2h 14m

Ontario

wt. 2/25

5:44 pm-8:08 pm

Nonstop2h 24m

$149

PortlandOntario

PDX - ONT

PDXONT

Portland

pon. 1/6

5:15 pm-10:32 pm

1 stop5h 17m

Ontario

ndz. 1/12

6:00 am-10:47 am

1 stop4h 47m

$196

MedfordOntario

MFR - ONT

MFRONT

Medford

sob. 1/18

3:15 pm-10:32 pm

1 stop7h 17m

Ontario

pon. 1/20

6:00 am-12:10 pm

1 stop6h 10m

$218

RedmondOntario

RDM - ONT

RDMONT

Bend/Redmond

pt. 1/31

8:40 am-3:11 pm

1 stop6h 31m

Ontario

wt. 2/4

6:00 am-12:58 pm

1 stop6h 58m

$218

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

śr. 1/29

5:15 pm-10:32 pm

1 stop6h 17m

Ontario

pon. 2/3

4:05 pm-10:11 pm

1 stop5h 06m

$218

EugeneOntario

EUG - ONT

EUGONT

Eugene

pt. 1/31

5:35 pm-10:32 pm

1 stop4h 57m

Ontario

ndz. 2/2

6:00 am-12:10 pm

1 stop6h 10m

$218

EugeneOntario

EUG - ONT

EUGONT

Eugene

pt. 2/7

8:38 am-3:11 pm

1 stop6h 33m

Ontario

wt. 2/11

6:00 am-9:08 pm

1 stop15h 08m

$240

BoiseOntario

BOI - ONT

BOIONT

Boise Air Term. Gowen Fld

śr. 1/29

2:40 pm-8:13 pm

1 stop6h 33m

Ontario

śr. 2/26

7:00 am-4:43 pm

2 stops8h 43m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 42 results
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Best time to book a flight from Oregon to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Oregon 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 Oregon to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Oregon to Ontario (average of $246). Flying from Oregon to Ontario in March is currently the most expensive (average of $317). 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 OR to ONT?

Find hourly flight availability from Oregon to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated Grudzień 21, 2024.

When flying from Oregon to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated Grudzień 21, 2024.
See what other customers who have flown with Delta, United Airlines and Frontier from Oregon to Ontario have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,814 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,814 reviews
Southwest
8.1
Very good
4,814 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,537 reviews
Southwest
8.1
Very good
4,814 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,597 reviews
Southwest
8.1
Very good
4,814 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,039 reviews
Southwest
8.1
Very good
4,814 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,814 reviews

Boarding

8.2

Food

7.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Oregon to Ontario. 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 into for flights to Ontario from Oregon?

    Ontario (ONT) is the airport you will fly into if you book a flight from Oregon to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

  • How popular is this Oregon to Ontario flight route?

    This flight path from Oregon to Ontario was viewed by 172 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 Oregon to Ontario one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $39. Users have also found prices from $79 and $88 on Alaska Airlines and Delta, respectively.

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

    The most popular route from Oregon to Ontario is Portland - Ontario. You may also consider Eugene - Ontario or Boise Air Term. Gowen Fld - Ontario.

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

    No one likes to see their flight delayed. When booking a flight from Oregon to Ontario consider choosing Southwest (100%), Frontier (94%) or Hawaiian Airlines (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Oregon to Ontario?

    The cheapest flight price from Oregon to Ontario is $26. On average you can expect to pay $168. The most popular route, (Portland - Ontario), can usually be booked for $80.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oregon to Ontario 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 Oregon to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Oregon to Ontario (average of $246). Flying from Oregon to Ontario in March is currently the most expensive (average of $317). 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 Oregon to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Oregon to Ontario

Discover the top 7 airlines that operate flights from Oregon to Ontario. 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 2,558,603 searches. Data last updated Grudzień 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$126FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$68Average$126FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$156Average$349FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$171Average$414FlexibilityNo cancel feeOn-time69%
DeltaCheapest$211Average$331FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$364FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$389FlexibilityNo cancel feeOn-time63%
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