Direct flights from Ontario to San Francisco

Did you mean Flights from San Francisco to Ontario?

Ontario

United States

ONT

Ontario International Airport

San Francisco

United States

SFO

San Francisco International Airport

Route: Nonstop service available
Distance: 363 miles
Marketing airlines: 7 airlines
Aircraft: 12 aircraft types
Dates: Oct 19, 2026 – Oct 17, 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: 8,500 points + $9.00 for ONT → SFO, Economy, on 2026-10-27, booked with Virgin Australia. 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.

ONT → SFOEconomy
UA1375
8,500 points+ $9.00
Departure
2026-10-27
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-21 08:17
ONT → SFOEconomy
UA432
8,500 points+ $9.00
Departure
2026-10-27
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-21 08:17
ONT → SFOEconomy
UA2363
8,500 points+ $9.00
Departure
2026-10-27
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-21 08:17
ONT → SFOEconomy
UA5577
8,500 points+ $9.00
Departure
2026-10-27
Seats seen
7
Book with
Virgin Australia
Observed (UTC)
2026-10-21 08:17
ONT → SFOEconomy
UA2363
8,500 points+ $9.00
Departure
2026-10-30
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-21 14:25
ONT → SFOEconomy
UA1375
8,500 points+ $9.00
Departure
2026-10-30
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-21 14:25
ONT → SFOEconomy
UA5577
8,500 points+ $9.00
Departure
2026-10-30
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-21 14:25
ONT → SFOEconomy
UA432
8,500 points+ $9.00
Departure
2026-10-30
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-21 14:25
ONT → SFOFirst
UA432
16,500 points+ $9.00
Departure
2026-10-30
Seats seen
2
Book with
Virgin Australia
Observed (UTC)
2026-10-21 14:25

Ontario to San Francisco route overview

Ontario International Airport (ONT) serves Ontario; San Francisco International Airport (SFO) serves San Francisco.

The airports are 363 miles apart by great-circle distance.

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

Marketing airlines listed in the current schedule, including codeshare sellers, are Air Canada (AC), Copa Airlines (CM), Emirates (EK), Frontier Airlines (F9), United Airlines (UA), 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 – Oct 17, 2027.

Marketing airlines on the Ontario to San Francisco 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.

Air Canada (AC)Codeshare only
Copa Airlines (CM)Codeshare only
Emirates (EK)Codeshare only
Volaris (Y4)Codeshare only

Airline alliance affiliations represented: Star Alliance

Aircraft flying from ONT to SFO

Frequently asked questions

Which airports serve the Ontario to San Francisco route?

Ontario International Airport (ONT) is the origin airport and San Francisco International Airport (SFO) is the destination airport.

How far is San Francisco from Ontario?

ONT and SFO are approximately 363 miles apart by great-circle distance.

Are there direct flights from ONT to SFO?

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

Which airlines market flights from ONT to SFO?

Which aircraft fly from ONT to SFO?

Aircraft listed in the current schedule include Airbus A319 (319), Airbus A320 (320), Airbus A321 (321), Airbus A320neo (32N), Airbus A321neo (32Q), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8), 7S7, Embraer 175 (long wing) (E7W) and JET.