Portland to Riverside flights
Riverside lies 1,363 km (847 mi) south of Portland, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 2 h 30 min gate to gate, based on the distance and typical cruise speed with taxi and climb allowed for; connecting itineraries add the layover on top.
| Portland | Riverside | |
|---|---|---|
| Country | United States | United States |
| Population | 652,503 | 317,261 |
| Elevation | 15 m (49 ft) | 257 m (843 ft) |
| Time now | UTC-7 (America/Los_Angeles) | UTC-7 (America/Los_Angeles) |
| Nearest large airport | PDX, 9 km out | ONT, 22 km out |
| Postal codes | 97201–97298 | 92501–92522 |
Airports at each end
Leaving Portland
Portland is served by 2 airports with scheduled flights within 100 km. The closest large one is Portland International Airport (PDX), 9 km (6 mi) from the centre, whose 11,000-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Salem-Willamette Valley Airport/McNary Field (SLE, 73 km).
Arriving in Riverside
Riverside is served by 6 airports with scheduled flights within 100 km. The closest large one is Ontario International Airport (ONT), 22 km (14 mi) from the centre, whose 12,197-ft runway is long enough for long-haul wide-body aircraft. The alternatives are San Bernardino International Airport (SBD, 22 km), John Wayne Orange County International Airport (SNA, 54 km), Long Beach International Airport (LGB, 71 km), Palm Springs International Airport (PSP, 83 km), Los Angeles International Airport (LAX, 93 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Ontario International Airport | ONT | 22 km (14 mi) | 12,197 ft | 944 ft |
| San Bernardino International Airport | SBD | 22 km (14 mi) | 10,000 ft | 1,159 ft |
| John Wayne Orange County International Airport | SNA | 54 km (34 mi) | 5,700 ft | 56 ft |
| Long Beach International Airport | LGB | 71 km (44 mi) | 10,000 ft | 60 ft |
| Palm Springs International Airport | PSP | 83 km (52 mi) | 10,000 ft | 477 ft |
| Los Angeles International Airport | LAX | 93 km (58 mi) | 12,894 ft | 125 ft |
Book a flight to Riverside
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Staying in Riverside
Live rooms and prices for Riverside are in the search below.
Book a hotel in Riverside
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Common questions
How far is Riverside from Portland?
1,363 km (847 mi) in a straight line, south of Portland.
How long does it take to get from Portland to Riverside by air?
About 2 h 30 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Portland and Riverside?
No, both are on America/Los_Angeles at the moment.
Which airports are used for Portland to Riverside flights?
Typically Portland International Airport (PDX) to Ontario International Airport (ONT); Riverside also has SBD, SNA, LGB, PSP, LAX.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 13 September 2026. Hotel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.