Ontario to Portland (ONT–PDX) — Airlines, Schedules & Connections

ONT Airport Page →
839 mi airlines 21/wk
On-time Some delays Frequent delays
Flight Schedule 8 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
AS544
AS Alaska
739
7:00 AM
PDT T2
9:28 AM
MDT
2h 28m
M T W T F S S
Prices
AS2456
AS Alaska
E75
11:17 AM
PDT T2
1:45 PM
MDT
2h 28m
M T W T F S S
Prices
AS2199
AS Alaska
E75
5:49 PM
PDT T2
8:16 PM
MDT
2h 27m
M T W T F S S
Prices
AS2134
AS Alaska
E75
7:45 AM
MDT
10:04 AM
PDT
2h 19m
M T W T F S S
Prices
AS2093
AS Alaska
E75
2:48 PM
MDT
5:09 PM
PDT
2h 21m
M T W T F S S
Prices
AS565
AS Alaska
B39M
2:50 PM
MDT
5:14 PM
PDT
2h 24m
M T W T F S S
Prices
BA2965
BA British
7M9
9:30 PM
MDT
11:52 PM
PDT
2h 22m
M T W T F S S
Prices
AS340
AS Alaska
73J
9:30 PM
MDT
11:52 PM
PDT
2h 22m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Ontario to Portland
2 carriers, 21 flights/week nonstop.
2 Airlines 21 Flights/wk 839 mi 2h 27m nonstop +1h ahead 37 1-stop hubs

ONT–PDX is served by 2 airlines with nonstop service. Alaska Airlines and British Airways lead the route. The flight covers 839 miles in approximately 2h 27m. Beyond nonstop, 37 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop ONT–PDX service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 21 739, E75 2h27-2h28 65% Oneworld
BA British Airways 4 65% Oneworld
Aircraft on this route
739 Boeing 737-900 – AS
E75 Embraer E175 – AS
Alliance coverage
Oneworld: AS + BA (25 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, ONT to PDX direction.
Mon
3
flights
Tue
3
flights
Wed
3
flights
Thu
3
flights
Fri
3
flights
Sat
3
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
21
Outbound / wk
31
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ONT to PDX.
1-STOP
One-Stop Connections
37
Hubs
~4h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,122
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
ONT → PDX
65%
Moderate delays possible. Allow buffer time.
Departing
65%
Arriving
60%
Return
PDX → ONT
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
50%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → PDX delays →

Other ways to reach Portland from Ontario

Nearby airports with service to Portland International Airport.
Metric ONT→PDX SBD→PDX SNA→PDX
Distance from ONT 21 mi 30 mi
Nonstop airlines 2 1 3
Weekly flights 21 2 36
Flight time 2h 27m 1h 8m 1h 32m
Departure OTP 65%
Airports within 200 miles of ONT with service to Portland International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Portland is 1 hour ahead of Ontario.
ONT: PDT · PDX: MDT

When it's 6:00 PM in Ontario, it's 7:00 PM in Portland.
Distance & Flight Time
839 mi / 1,351 km
Nonstop flight time is approximately 2h 27m to 2h 28m.

ONT–PDX Quick Facts

Key statistics for the Ontario to Portland route.
Route details
Distance839 mi / 1,351 km
Flight time2h 27m to 2h 28m
Time difference+1 hour
Airlines (nonstop)2
Weekly flights21 out / 31 return
1-stop connections37 hubs
Origin: ONT
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: PDX
IATA / ICAOPDX / KPDX
TimezoneAmerica/Boise
Passengers/yr17.3M
Elevation31 ft / 9 m

Frequently Asked Questions

Common questions about ONT to PDX flights.
Nonstop flights from Ontario International Airport to Portland International Airport take approximately 2h 27m to 2h 28m. The route covers 839 miles.
2 airlines operate nonstop service: Alaska Airlines and British Airways.
There are approximately 21 nonstop flights per week from ONT to PDX. The return direction has about 31 weekly flights.
Yes, 1-stop connections are available through PSP, BUR, SBP, STS, FCA, AFW, CVG, SDF, ANC, EWR, OGG, FLL, KOA, BNA, MDW, SFO, IAH, SEA, OAK, LAS, PHX, SLC, SMF, AUS, SJC, DEN, ORD, BOI, DFW, GDL, HNL, CLT, DAL, ATL, SBA, HOU and SJD. These options provide additional schedule flexibility.
Portland is 1 hour ahead of Ontario.
Yes, return flights from PDX to ONT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include SBD, SNA and BUR. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from ONT to PDX

Ontario International Airport (ONT) and Portland International Airport (PDX) are connected by nonstop service from Alaska Airlines and British Airways. With 21 weekly departures, this is a well served route.

ONT to PDX Flight Duration and Schedule

Nonstop flight time from ONT to PDX ranges from 2 hours 27 minutes to 2 hours 28 minutes. The route covers a distance of 839 miles (1,351 km). There are approximately 21 weekly flights outbound and 31 return, totaling 52 flights per week in both directions.

Connecting Options and Alternatives

37 one-stop connections are available, with the fastest taking approximately 4 hours via PSP. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Bernardino (SBD), Santa Ana (SNA) and Burbank (BUR).