Cheap Flights from Ontario to Portland Starting at $59

Helping travelers to find the best flight offers

Cheapest flights from Ontario to Portland

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ontario to Portland. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$59

Spirit Airlines
Spirit Airlines
1 transfer
4h 28m
04/04/2025

The cheapest one-way flight from Ontario to Portland departs on 04/04/2025, is operated by Spirit Airlines and costs $59

Cheapest round trip flight

$119

Spirit Airlines
Spirit Airlines
1 transfer
1d 17h 7m
05/02/2025

The cheapest roundtrip flight from Ontario to Portland departs on 05/02/2025, is operated by Spirit Airlines and costs $119

The fastest flight

2h 18m

Fastest flight from Ontario to Portland takes 2h 18m

Direct flights

Several times a week

There are direct flights on this route 2 days a week: Su and Sa

Earliest flight

7:00 AM

Latest flight

6:39 PM

Direct flights count

45

Distance

1350km

Timezone difference

0h

The distance between Ontario and Portland is 1350km (837 miles). There are 45 direct flights from Ontario to Portland. Ontario and Portland are in the same time zone. Flights from Ontario begin at 7:00 AM. The latest flight from Ontario departs at 6:39 PM.

See also:

Cheap flights to United States

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Direct flights airfares to Portland

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Cheapest air tickets to Ontario

Airfare from Ontario to Portland by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Ontario to Portland

May 2025
Lowest price
on average:
$93
March 2025
Highest price
on average:
$170

Airlines operating on route

Below you will find a list of airlines operating flights on the Ontario — Portland route and the starting prices for flights of each specific airline on it.

Spirit Airlines
Spirit Airlines

Starting at $59

Frontier Airlines
Frontier Airlines

Starting at $84

Alaska Airlines
Alaska Airlines

Starting at $87

Direct Flights from Ontario to Portland

A direct flight is the most convenient and comfortable way to fly from Ontario to Portland, despite the fact that sometimes flights with transfers can cost significantly less.

Portland city image

Los Angeles — Portland

LAX — PDX

03/29/2025

Departure date

Direct flight

Alaska Airlines

AS1124

Starting at $438

Portland city image

Los Angeles — Portland

LAX — PDX

04/24/2025

Departure date

Direct flight

Alaska Airlines

AS6183

Starting at $82

Portland city image

Los Angeles — Portland

LAX — PDX

07/06/2025

Departure date

Direct flight

Alaska Airlines

AS815

Starting at $111

Portland city image

Los Angeles — Portland

LAX — PDX

07/06/2025

Departure date

Direct flight

Alaska Airlines

AS1124

Starting at $87

Schedule of direct flights from Ontario to Portland

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Ontario to Portland:

Ontario airports overview

ONT
Ontario International Airport
Frontier Airlines
Airlines flying to this airport
$84
Starting at
$84-66%
on average
LAX
Los Angeles International Airport
Alaska Airlines
Spirit Airlines
Airlines flying to this airport
$59
Starting at
$140
on average

Portland airports overview

PDX
Portland International Airport
Alaska Airlines
Frontier Airlines
Spirit Airlines
Airlines flying to this airport
$59
Starting at
$129
on average

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from Ontario to Portland?

The cheapest flight ticket from Ontario to Portland according to data for the last 48 hours costs $59

When is the best time to buy air tickets on the route Ontario — Portland?

Often the best time to buy tickets from Ontario to Portland is 2 months before departure.

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

Based on statistics over the past years, the lowest prices for flights from Ontario to Portland can be found flying in these months: May, June, March.

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

The fastest flights from Ontario to Portland start from 2 hours 18 minutes in the air.

Which airline can fly direct from Ontario to Portland?

The following airlines operate direct flights on the route Ontario — Portland: Alaska Airlines

Special offers and sales on air tickets from Ontario to Portland

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

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We couldn't find any special offers for flights from Ontario to Portland

Alternative routes

Bakersfield ➜ Portland•Fresno ➜ Portland•Long Beach ➜ Portland•Merced ➜ Portland•Modesto ➜ Portland•Mexicali ➜ Portland•Santa Barbara ➜ Portland•Santa Maria ➜ Portland•Tijuana ➜ Portland•Yuma ➜ Portland•Ontario ➜ Bellingham•Ontario ➜ Boise•Ontario ➜ Eugene•Ontario ➜ Spokane•Ontario ➜ Everett•Ontario ➜ Seattle•Ontario ➜ Yakima•Ontario ➜ Kelowna•Ontario ➜ Abbotsford