Cheap flights from Ontario to Portland (ONT - PDX) from $48

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — PDX
Apr 3 — Apr 101

The best prices from Ontario to Portland are usually found in February or January, booked 85 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Ontario to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Portland (PDX). 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 March 29, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$274

One-way from

$89
High demand for flights, 23% potential price rise
Best time to find cheap flights, 22% potential price drop
From Ontario to Portland
One-way flight from Ontario to Portland

What is the cheapest day to fly round-trip from Ontario to Portland?

Flights from Ontario to Portland are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Portland.

How far in advance should I book a flight from Ontario to Portland?

Find a great deal and save up to 163% by booking at least 34 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Portland within the next two weeks, with the cheapest ticket starting at $398.

What is the cheapest month to fly from Ontario to Portland?

Our data shows that January tends to be the cheapest month to fly to Portland from Ontario. Users have commonly found prices around $242 for the month, but tickets can be as low as $100. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Ontario to Portland (ONT - PDX)?

It’s typically best to fly out from Ontario to Portland at noon. Doing so could potentially save you 19% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap Frontier flights from Ontario to Portland

Explore cheap flight options specifically provided by Frontier for the route between Ontario and Portland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,208,722 searches. Data last updated March 29, 2024.
Check out some of the cheapest Frontier flights we've come across from Ontario to Portland. It's recommended that users confirm their flight details before booking.
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Wed 4/244:26 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$58
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/293:36 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$62
Sat 4/271:26 pmONT - PDX
Nonstop2h 20mFrontier
Sat 5/41:31 pmPDX - ONT
1 stop8h 26mFrontier
Deal found 3/28$64
Sat 5/183:35 pmONT - PDX
Nonstop2h 20mFrontier
Tue 5/215:14 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$65
Thu 5/164:52 pmONT - PDX
Nonstop2h 20mFrontier
Tue 5/215:14 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$66
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/2910:10 amPDX - ONT
1 stop20h 53mFrontier
Deal found 3/28$67
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/223:36 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/27$68
Sat 4/132:21 pmONT - PDX
Nonstop2h 20mFrontier
Tue 4/163:40 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/27$69
Sat 4/2010:56 pmONT - PDX
1 stop10h 19mFrontier
Tue 4/233:40 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$71

Cheap United Airlines flights from Ontario to Portland

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Portland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,208,722 searches. Data last updated March 29, 2024.
Some of the lowest-priced United Airlines flights we've found at this time heading from Ontario to Portland. Ensure the flight price, dates, time, and airline match your criteria before you book.
Sat 4/66:00 amONT - PDX
1 stop4h 02mUnited Airlines
Mon 4/83:55 pmPDX - ONT
1 stop7h 09mUnited Airlines
Deal found 3/27$431
Sun 4/76:00 amONT - PDX
1 stop4h 02mUnited Airlines
Mon 4/156:57 pmPDX - ONT
2 stops15h 05mUnited Airlines
Deal found 3/28$474
Thu 4/46:00 amONT - PDX
1 stop4h 02mUnited Airlines
Sun 4/73:55 pmPDX - ONT
1 stop7h 09mUnited Airlines
Deal found 3/28$491
Sun 4/76:00 amONT - PDX
1 stop4h 02mUnited Airlines
Tue 4/95:00 amPDX - ONT
2 stops29h 02mUnited Airlines
Deal found 3/28$494
Sun 4/76:00 amONT - PDX
1 stop4h 02mUnited Airlines
Wed 4/106:57 pmPDX - ONT
2 stops15h 05mUnited Airlines
Deal found 3/27$499
Wed 4/310:45 amONT - PDX
1 stop4h 07mUnited Airlines
Fri 4/53:55 pmPDX - ONT
1 stop7h 09mUnited Airlines
Deal found 3/28$506

Cheap Ontario to Portland flights in March & April 2024

Find cheap flight options from Ontario to Portland specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,208,722 searches. Prices were last updated on March 29, 2024.
These are some of the best deals we've found on flights to Portland in 2024 at this time. Check back soon for alternative fares.
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Wed 4/244:26 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/29$48
Sat 4/271:26 pmONT - PDX
Nonstop2h 20mFrontier
Sat 5/44:46 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$56
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Wed 4/244:26 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$58
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/293:36 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$62
Sat 4/271:26 pmONT - PDX
Nonstop2h 20mFrontier
Sat 5/41:31 pmPDX - ONT
1 stop8h 26mFrontier
Deal found 3/28$64
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/2910:10 amPDX - ONT
1 stop20h 53mFrontier
Deal found 3/28$67
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/223:36 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/27$68
Sat 4/132:21 pmONT - PDX
Nonstop2h 20mFrontier
Tue 4/163:40 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/27$69
Sat 4/2010:56 pmONT - PDX
1 stop10h 19mFrontier
Wed 4/244:26 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/29$71

Ontario to Portland 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Portland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,208,722 searches. Data last updated March 29, 2024.
These are some of the best deals we've found on flights to Portland in 2024 at this time. Check back soon for alternative fares.
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Wed 4/244:26 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$58
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/293:36 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$62
Sat 4/271:26 pmONT - PDX
Nonstop2h 20mFrontier
Sat 5/41:31 pmPDX - ONT
1 stop8h 26mFrontier
Deal found 3/28$64
Sat 5/183:35 pmONT - PDX
Nonstop2h 20mFrontier
Tue 5/215:14 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$65
Thu 5/164:52 pmONT - PDX
Nonstop2h 20mFrontier
Tue 5/215:14 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$66
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/2910:10 amPDX - ONT
1 stop20h 53mFrontier
Deal found 3/28$67
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/223:36 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/27$68
Sat 4/132:21 pmONT - PDX
Nonstop2h 20mFrontier
Tue 4/163:40 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/27$69
Sat 4/2010:56 pmONT - PDX
1 stop10h 19mFrontier
Wed 4/244:26 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/29$71

Non-stop flights to Portland from Ontario

Discover non-stop flight options from Ontario to Portland. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,208,722 searches. Data last updated March 29, 2024.
If you're seeking options on non-stop flights from Ontario to Portland, check out these fares. If you're looking for other options for flights from Ontario to Portland, make sure to update the search form at the top of page.
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Wed 4/244:26 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$58
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/293:36 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$62
Sat 5/183:35 pmONT - PDX
Nonstop2h 20mFrontier
Tue 5/215:14 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$65
Thu 5/164:52 pmONT - PDX
Nonstop2h 20mFrontier
Tue 5/215:14 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$66
Wed 5/151:01 pmONT - PDX
Nonstop2h 20mFrontier
Wed 5/298:20 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$67
Sat 4/202:21 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/223:36 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/27$68
Sat 4/132:21 pmONT - PDX
Nonstop2h 20mFrontier
Tue 4/163:40 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/27$69
Thu 4/251:32 pmONT - PDX
Nonstop2h 20mFrontier
Sun 4/285:38 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$72
Thu 4/182:29 pmONT - PDX
Nonstop2h 20mFrontier
Mon 4/223:36 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/29$76

Ontario to Portland flights leaving soon

Find last-minute flight options from Ontario to Portland for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,208,722 searches. Data last updated March 29, 2024.
Users seeking a last-minute flight from Ontario to Portland should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Thu 4/49:25 pmONT - PDX
1 stop21h 23mFrontier
Tue 4/161:31 pmPDX - ONT
1 stop22h 13mFrontier
Deal found 3/28$148
Mon 4/89:55 pmONT - PDX
1 stop21h 58mFrontier
Mon 4/1510:10 amPDX - ONT
1 stop11h 47mFrontier
Deal found 3/28$201
Mon 4/89:55 pmONT - PDX
1 stop21h 58mFrontier
Wed 4/1012:59 amPDX - ONT
1 stop22h 57mFrontier
Deal found 3/28$204
Thu 4/49:25 pmONT - PDX
1 stop21h 23mFrontier
Sun 4/77:49 pmPDX - ONT
1 stop25h 05mFrontier
Deal found 3/28$205
Thu 4/49:25 pmONT - PDX
1 stop21h 23mFrontier
Tue 4/163:40 pmPDX - ONT
Nonstop2h 15mFrontier
Deal found 3/28$218
Mon 4/89:55 pmONT - PDX
1 stop21h 58mFrontier
Tue 4/912:59 amPDX - ONT
1 stop23h 00mFrontier
Deal found 3/28$225
Sun 4/75:42 pmONT - PDX
1 stop6h 46mMultiple Airlines
Tue 4/94:05 pmPDX - ONT
1 stop15h 03mMultiple Airlines
Deal found 3/28$227
Thu 4/412:59 amONT - PDX
1 stop23h 03mFrontier
Tue 4/98:43 pmPDX - ONT
1 stop25h 14mFrontier
Deal found 3/28$232
Thu 4/412:59 amONT - PDX
1 stop23h 03mFrontier
Sun 4/712:52 amPDX - ONT
1 stop23h 17mFrontier
Deal found 3/27$233

One-way flights to Portland from Ontario

Search for one-way flight options from Ontario to Portland. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,208,722 searches. Data last updated March 29, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ontario to Portland. Those seeking round-trip flights from Ontario to Portland should utilize the search form at the the top of the page.
Wed 4/247:58 amONT - PDX
1 stop4h 33mFrontier
Deal found 3/28$50
Thu 5/168:29 amONT - PDX
1 stop5h 37mFrontier
Deal found 3/28$52
Wed 6/262:01 pmONT - PDX
Nonstop2h 13mFrontier
Deal found 3/28$53
Fri 4/2612:55 amONT - PDX
1 stop23h 04mFrontier
Deal found 3/28$57
Thu 5/304:52 pmONT - PDX
Nonstop2h 20mFrontier
Deal found 3/28$58
Fri 4/1912:59 amONT - PDX
1 stop23h 00mFrontier
Deal found 3/28$60
Tue 5/712:59 amONT - PDX
1 stop23h 00mFrontier
Deal found 3/28$61
Sun 5/510:29 amONT - PDX
1 stop8h 18mFrontier
Deal found 3/28$63
Tue 5/287:39 amONT - PDX
1 stop7h 25mFrontier
Deal found 3/28$66

Find flights from Ontario to Portland within your budget

Customize your flight search to find flights from Ontario to Portland 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 3,208,722 searches. Data last updated March 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$58 - $196

Route

Depart

Return

Price

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/20

Nonstop2h 20m

Portland

Wed 4/24

Nonstop2h 15m

$58

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/20

Nonstop2h 20m

Portland

Mon 4/29

Nonstop2h 15m

$62

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/27

Nonstop2h 20m

Portland

Sat 5/4

1 stop8h 26m

$64

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 5/18

Nonstop2h 20m

Portland

Tue 5/21

Nonstop2h 15m

$65

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Thu 5/16

Nonstop2h 20m

Portland

Tue 5/21

Nonstop2h 15m

$66

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/20

Nonstop2h 20m

Portland

Mon 4/29

1 stop20h 53m

$67

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 4/20

Nonstop2h 20m

Portland

Mon 4/22

Nonstop2h 15m

$68

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Tue 4/16

2 stops10h 15m

Portland

Tue 4/23

Nonstop2h 15m

$143

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Wed 4/17

1 stop5h 05m

Portland

Sat 4/20

1 stop5h 25m

$196

Flights are sorted by cheapest first

Deals found on 3/28

When is the best time to book a flight from Ontario to Portland?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Portland. Price data was last updated on January 28, 2024.
The price you pay for your flight from Ontario to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Ontario to Portland?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Portland. Price data was last updated on March 24, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Portland flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Portland by month

Plan your trip from Ontario to Portland by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Portland is currently $58 while a round-trip flight costs $88. Price data was last updated on March 24, 2024.

Currently, October is the cheapest month in which you can book a flight from Ontario to Portland (average of $274). Flying from Ontario to Portland in July is currently the most expensive (average of $418). 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.

January

$276

February

$306

March

$336

April

$329

May

$356

June

$401

July

$418

August

$351

September

$297

October

$274

November

$298

December

$291

Temperature and rainfall in Portland by month

Plan your trip to Portland by taking into account the average temperature and rainfall totals by month.

PDX

Temperature

41 - 69.8 °F

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated March 29, 2024.
To help decide which airline to fly from Ontario to Portland, see what other customers have to say about Frontier, United Airlines and Alaska Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,116 reviews

Comfort

7.9

Entertainment

7.4

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

8.1
Very good
9,116 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Entertainment

7.4

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

8.1
Very good
11,383 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Entertainment

7.4

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

7.5
Good
3,036 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Entertainment

7.4

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

7.4
Good
11,470 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Entertainment

7.4

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

7.3
Good
15,159 reviews
8.1
Very good
9,116 reviews

Comfort

7.9

Entertainment

7.4

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

I would have liked flying out of the airport I chose not a different airport. My flight was moved to San Jose

Related info for your journey

Find useful and relevant information for your journey from Ontario to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Ontario to Portland?

    If you wish to fly to Portland from Ontario, then you need to book flights from Ontario to Portland. There is 1 flight from Ontario (ONT) to Portland (PDX) per day to choose from. Flights to Portland from Ontario are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 2h 13m is how long a nonstop flight from Ontario to Portland typically takes.

  • Can I find flights from Ontario to Portland for under $100 on Cheapflights?

    Yes, there are multiple flights from Ontario to Portland for under $100. The cheapest flight booked recently is on Frontier for just $58, but on average you can expect to pay $72.

  • Are there nonstop flights from Ontario to Portland for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Ontario to Portland under $100. A good price for a nonstop flight from Ontario to Portland is less than $81.

  • Are there last-minute flights available from Ontario to Portland for under $200?

    There are currently 20+ open flights from Ontario to Portland within the next 7 days for less than $200.

  • What days are nonstop flights available from Ontario to Portland?

    Days when nonstop flights are available for this flight are: Friday.

  • How popular is this Ontario to Portland flight route?

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

    1 flight departure from Ontario to Portland per day on average.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Ontario to Portland?

    For as low as $58, Frontier can have you in Portland from Ontario in 2h 20m. There are 843 mi between Ontario and Portland. Generally, flights for this route are nonstop.

  • What is the cheapest airline to fly from Ontario to Portland round-trip?

    Cheapflights users have booked flights from Ontario to Portland round-trip from $58. Users have found that Frontier is 78% cheaper than the other options available to this destination.

  • What are the most popular airlines that fly from Ontario to Portland?

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

    Before booking your flight to Portland from Ontario, check out the most reliable airlines to get you to your destination on time: Southwest (100%), British Airways (95%), Horizon Air( 91%).

  • What are the cheapest flights from Ontario to Portland?

    On average you can expect to pay $171 for a flight from Ontario to Portland. The cheapest flight overall is $29 while the most popular route, (Ontario - Portland) is currently priced at $58.

  • What does ONT to PDX mean?

    ONT stands for Ontario Airport, while PDX stands for Portland Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Ontario to Portland that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Portland with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

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

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

  • Can I find deals for flights from Ontario to Portland that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the Ontario to Portland flight deals updated?

    The Ontario to Portland flight deals you see on this page were last updated on 3/29.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Portland
See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ontario to Portland

Discover the top 6 airlines that operate flights from Ontario to Portland. 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 3,208,722 searches. Data last updated March 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$157FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$89Average$171FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapest$119Average$271FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$192Average$420FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$198Average$336FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$206Average$398FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Ontario to Portland by cabin class

Find flights from Ontario to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Ontario to Portland

Find hourly flight availability from Ontario to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 29, 2024.
39%of flight departuresEarly morningMidnight to 6 am
34%of flight departuresMorning6 am to noon
27%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ontario to Portland

Explore weekly flight availability from Ontario to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 29, 2024.
Sunday1daily flight
Monday2daily flights
Tuesday1daily flight
Wednesday1daily flight
Thursday2daily flights
Friday2daily flights
Saturday1daily flight

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How does Cheapflights help users find flights from Ontario to Portland?

Deals for Ontario to Portland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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Can Cheapflights find flights from Ontario to Portland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Portland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Portland become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Portland on Cheapflights with our Price Alert feature and get notified when better prices are available.

Can I find deals on last-minute flights from Ontario to Portland?

Yes, you can often find last-minute deals on Ontario to Portland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from Ontario to Portland?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Ontario to Portland that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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