Direct flights from Portland to Ontario

Did you mean Flights from Ontario to Portland?

Portland

United States

PDX

Portland International Airport

Ontario

United States

ONT

Ontario International Airport

Route: Nonstop service available
Distance: 839 miles
Marketing airlines: 5 airlines
Aircraft: 8 aircraft types
Dates: Oct 19, 2026 – Sep 29, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 9,000 points + $5.00 for PDX → ONT, Economy, on 2026-11-16, booked with Alaska Atmos Rewards. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-23 – 2026-11-21.

PDX → ONTEconomy
AS3312
9,000 points+ $5.00
Departure
2026-11-16
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 16:27
PDX → ONTEconomy
AS3312
11,000 points+ $5.00
Departure
2026-11-15
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 13:58
PDX → ONTEconomy
AS3312
11,000 points+ $5.00
Departure
2026-11-15
Seats seen
8
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 12:38
PDX → ONTEconomy
AS3312
16,000 points+ $5.00
Departure
2026-11-09
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 13:10
PDX → ONTEconomy
AS2081
19,000 points+ $5.00
Departure
2026-10-27
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 00:20
PDX → ONTEconomy
AS534
19,000 points+ $5.00
Departure
2026-10-27
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 00:20
PDX → ONTEconomy
AS3194
19,000 points+ $5.00
Departure
2026-11-16
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 16:27
PDX → ONTEconomy
AS3312
22,500 points+ $5.00
Departure
2026-11-02
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 15:21
PDX → ONTEconomy
AS3312
22,500 points+ $5.00
Departure
2026-11-18
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 11:11
PDX → ONTEconomy
AS3194
25,000 points+ $5.00
Departure
2026-11-02
Seats seen
2
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 15:21
PDX → ONTFirst
AS3312
25,000 points+ $5.00
Departure
2026-11-15
Seats seen
6
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 13:58
PDX → ONTFirst
AS3312
25,000 points+ $5.00
Departure
2026-11-16
Seats seen
6
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 16:27

Portland to Ontario route overview

Portland International Airport (PDX) serves Portland; Ontario International Airport (ONT) serves Ontario.

The airports are 839 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from PDX to ONT.

Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS), British Airways (BA), Frontier Airlines (F9), Southwest Airlines (WN) and Volaris (Y4). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Sep 29, 2027.

Marketing airlines on the Portland to Ontario route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

British Airways (BA)Codeshare only
Volaris (Y4)Codeshare only

Airline alliance affiliations represented: Oneworld

Aircraft flying from PDX to ONT

Frequently asked questions

Which airports serve the Portland to Ontario route?

Portland International Airport (PDX) is the origin airport and Ontario International Airport (ONT) is the destination airport.

How far is Ontario from Portland?

PDX and ONT are approximately 839 miles apart by great-circle distance.

Are there direct flights from PDX to ONT?

Yes. Roame's current schedule feed shows nonstop service from PDX to ONT.

Which airlines market flights from PDX to ONT?

Which aircraft fly from PDX to ONT?

Aircraft listed in the current schedule include Airbus A321neo (32Q), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 737 MAX 8 (7M8), 7S7, Embraer 175 (short wing) (E75) and JET.