Cheap flights from Ontario, CA to Portland, OR

Flights starting at $43. Choose between Alaska Airlines, United Airlines, or Frontier Airlines to find the best price.

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Key info about flying to Portland

Depart from
Ontario International
Arrive to
Portland International
Average flights per week
45
Flight distance
1352 km

Weekly direct flights

Discover the top airlines offering direct flights from Ontario to Portland in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineSun 15.12Mon 16.12Tue 17.12Wed 18.12Thu 19.12Fri 20.12Sat 21.12
3311221
---1---1---1---
Weekly flights: 16 totalDaily flights: 2.29 averageMost flights: Sunday 3 flights
AirlineSun 22.12Mon 23.12Tue 24.12Wed 25.12Thu 26.12Fri 27.12Sat 28.12
2211221
---1---1---1---
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Sunday 2 flights
AirlineSun 29.12Mon 30.12Tue 31.12Wed 01.01Thu 02.01Fri 03.01Sat 04.01
2211221
---1---1---1---
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Sunday 2 flights
AirlineSun 05.01Mon 06.01Tue 07.01Wed 08.01Thu 09.01Fri 10.01Sat 11.01
23---------------
---1---------------
Weekly flights: 6 totalDaily flights: 3 averageMost flights: Monday 3 flights

Check-in for a flight from Ontario to Portland

NameCarrier codeIATA CodePassport needed during booking
Alaska AirlinesASAASNo
United AirlinesUALUAYes
Frontier AirlinesFFTF9No

Weather in Portland

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January8°C2°C
February8°C2°C
March11°C3°C
April14°C5°C
May19°C8°C
June23°C10°C
July28°C13°C
August28°C14°C
September24°C12°C
October17°C8°C
November10°C4°C
December7°C2°C
Hottest Month
28°C
August
Coldest month
2°C
December
Sunny days
260
days per year
Snow days
5
days per year

14 day forecast

Friday
20 Dec
12°C7°C
27 Dec
83%
8°C7°C
Saturday
21 Dec
84%
11°C6°C
28 Dec
87%
10°C7°C
Sunday
22 Dec
89%
10°C8°C
29 Dec
88%
7°C6°C
Monday
23 Dec
74%
11°C8°C
30 Dec
88%
7°C4°C
Tuesday
24 Dec
89%
10°C5°C
31 Dec
86%
7°C4°C
Wednesday
25 Dec
69%
8°C4°C
1 Jan
81%
6°C3°C
Thursday
26 Dec
87%
9°C7°C
2 Jan
89%
5°C0°C
The distance between Ontario and Portland is 1352 km. The most popular airlines for this route are Alaska Airlines, United Airlines, and Frontier Airlines. Ontario and Portland have 45 direct flights per week.

Frequently asked questions

How long does it take to travel from Ontario to Portland?
What is the flight distance between Ontario and Portland?
What airlines offer nonstop (direct) flights between Ontario and Portland?
What are the most popular routes to and from Ontario?
What are the most popular routes to and from Portland?
What airports are near Ontario?
What airports are near Portland?
Which airlines fly between Ontario and Portland?
When's the best time to travel between Ontario and Portland?
What flights operate between Ontario and Portland?
How many airports are there near Ontario?
How many airports are there near Portland?
What time do nonstop (direct) flights between Ontario and Portland depart?
What time do nonstop (direct) flights between Ontario and Portland arrive?
What time do flights between Ontario and Portland depart?
What time do flights between Ontario and Portland arrive?

Explore alternative trips

Flights from Ontario

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Popular routes

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