Question 1

How long does it take to travel from Ontario to Portland?

Accepted Answer

A one-way nonstop (direct) flight between Ontario and Portland takes around 2.3 hours.

Question 2

What is the flight distance between Ontario and Portland?

Accepted Answer

The flight distance between Ontario and Portland is 1352 km.

Question 3

What airlines offer nonstop (direct) flights between Ontario and Portland?

Accepted Answer

Several carriers operate flights between Ontario and Portland. Airlines offering nonstop (direct) flights include Alaska Airlines, Frontier Airlines.

Question 4

What are the most popular routes to and from Ontario?

Accepted Answer

Travelers frequently search for route combinations, such as Ontario and Denver, Orlando, Austin, Las Vegas, Atlanta, Sacramento, San Francisco, Seattle, San Antonio, Guadalajara, Charlotte, New Orleans, Fort Lauderdale, Philadelphia, Washington, D.C., Oakland, San Jose, Detroit, Minneapolis, Chicago.

Question 5

What are the most popular routes to and from Portland?

Accepted Answer

Travelers frequently search for route combinations, such as Portland and Denver, Las Vegas, Phoenix, Los Angeles, Atlanta, San Francisco, Houston, Mexico City, San Diego, Chicago, Salt Lake City, Minneapolis, Washington, D.C., Cincinnati, Austin, Dallas, London, Paris, Charlotte, Tampa.

Question 6

What airports are near Ontario?

Accepted Answer

The main airport in Ontario is Ontario International. It is also served by Tijuana International, San Diego International, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Imperial County, Meadows Field.

Question 7

What airports are near Portland?

Accepted Answer

The main airport in Portland is Portland International. It is also served by Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Kenmore Air Harbor Seaplane Base.

Question 8

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ontario and Portland?

Accepted Answer

Yes, it's possible to combine different modes of transport between Ontario and Portland thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Ontario and Portland can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.

Question 9

What is Virtual Interlining and how do I use it?

Accepted Answer

Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.

Question 10

Which airlines fly between Ontario and Portland?

Accepted Answer

Currently, you can fly between Ontario and Portland with Frontier Airlines, Alaska Airlines, United Airlines.

Question 11

When's the best time to travel between Ontario and Portland?

Accepted Answer

If you don’t have specific dates for your trip between Ontario and Portland, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Question 12

What flights operate between Ontario and Portland?

Accepted Answer

Traveling between Ontario and Portland, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What's more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

Question 13

How many airports are there near Ontario?

Accepted Answer

There are a number of airports in and around Ontario. The main one is Ontario International and other nearby airports include Tijuana International, San Diego International, Ontario International, John Wayne, Hollywood Burbank, Palm Springs International, Santa Barbara Municipal, Long Beach, Imperial County, Meadows Field

Question 14

How many airports are there near Portland?

Accepted Answer

There are a number of airports in and around Portland. The main one is Portland International and other nearby airports include Seattle–Tacoma International, Portland International, Eugene, Roberts Field, Kenmore Air Harbor Seaplane Base.

Question 15

What time do nonstop (direct) flights between Ontario and Portland depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 16

What time do nonstop (direct) flights between Ontario and Portland arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Portland, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Question 17

What time do flights between Ontario and Portland depart?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred departure time when you search on our website or mobile app. Choose the time of day you wish to depart from Ontario, such as morning, afternoon, evening, or night, or select the exact hours for departure.

Question 18

What time do flights between Ontario and Portland arrive?

Accepted Answer

This depends on the airline's flight schedule. You can easily select your preferred arrival time when you search on our website or mobile app. Choose the time of day you wish to arrive at Portland, such as morning, afternoon, evening, or night, or select the exact hours for arrival.

Cheapest one-way trip	$33
Cheapest nonstop round-trip	$33
Cheapest round-trip	$81
Average round-trip	$205
Nonstop flights in June	$33 – $334

Airline	Sun 26.05	Mon 27.05	Tue 28.05	Wed 29.05	Thu 30.05	Fri 31.05	Sat 01.06
Alaska Airlines	3	3	2	2	3	3	2
Frontier Airlines	1	1	1	1	1	1	1

Airline	Sun 02.06	Mon 03.06	Tue 04.06	Wed 05.06	Thu 06.06	Fri 07.06	Sat 08.06
Alaska Airlines	3	3	2	2	3	3	2
Frontier Airlines	1	1	1	1	1	1	1

Airline	Sun 09.06	Mon 10.06	Tue 11.06	Wed 12.06	Thu 13.06	Fri 14.06	Sat 15.06
Alaska Airlines	3	3	2	2	3	3	3
Frontier Airlines	1	1	1	1	1	1	1

Airline	Sun 16.06	Mon 17.06	Tue 18.06	Wed 19.06	Thu 20.06	Fri 21.06	Sat 22.06
Alaska Airlines	3	3	3	3	3	3	3
Frontier Airlines	1	1	1	1	1	1	1

Cheap flights from Ontario, CA to Portland, OR

Flights starting at $33. Choose between Frontier Airlines, Alaska Airlines, or United Airlines to find the best price.

Tips to know when travelling to Portland

Cheapest one-way trip

Cheapest nonstop round-trip

Cheapest round-trip

Average round-trip

Nonstop flights in June

Search by stops

Search by carrier

Search by price

Search by departure date

One-way trips

Round trips

Looking for a different city?

Weekly direct flights

Weekly direct flights for Sun 26.05 - Sat 01.06

Weekly direct flights for Sun 02.06 - Sat 08.06

Weekly direct flights for Sun 09.06 - Sat 15.06

Weekly direct flights for Sun 16.06 - Sat 22.06

Check-in for a flight from Ontario to Portland

Weather in Portland

Average Weather

14 day forecast

Frequently asked questions

Explore alternative trips

Flights from Ontario

Flights to Portland

Popular routes

The nearest countries with flights to Portland

Other destination countries from Ontario

Airports near Ontario

Airports near Portland

Kiwi.com: the best free travel app for Android and iPhone

Company

Platform

Features

Discover

Name	Carrier code	IATA Code	Passport needed during booking	Online check-in available
Frontier Airlines	FFT	F9	No	Opens 24 days before flight Closes 1 hours before flight
Alaska Airlines	ASA	AS	No	Opens 24 days before flight Closes 1 hours before flight
United Airlines	UAL	UA	Yes	No

Month	Average monthly max temperature	Average monthly min temperature
January	8°C	2°C
February	8°C	2°C
March	11°C	3°C
April	14°C	5°C
May	19°C	8°C
June	23°C	10°C
July	28°C	13°C
August	28°C	14°C
September	24°C	12°C
October	17°C	8°C
November	10°C	4°C
December	7°C	2°C