Flights from San Francisco to Ontario

SFOONT

San Francisco International Airport (San Francisco, United States) → Ontario International Airport (Ontario, United States)

Nonstop
1h 25m
Distance
585 km
Frequency
7×/week
One-way from
$19
Airlines
Frontier Airlines, NetJets Aviation, United Airlines
Book on Aviasales

Fares by month

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

Weekly schedule

Monday

  • UA148211:00→12:291h 29mUnited Airlines
  • UA559214:00→15:331h 33mUnited Airlines
  • F9116018:04→19:301h 26mFrontier Airlines
  • UA178018:50→20:151h 25mUnited Airlines
  • UA55221:20→22:481h 28mUnited Airlines

Tuesday

  • UA148211:00→12:291h 29mUnited Airlines
  • UA559214:00→15:331h 33mUnited Airlines
  • UA43616:35→18:011h 26mUnited Airlines
  • UA178018:50→20:151h 25mUnited Airlines

Wednesday

  • UA148211:00→12:291h 29mUnited Airlines
  • UA559214:00→15:331h 33mUnited Airlines
  • UA43616:35→18:011h 26mUnited Airlines
  • UA178018:50→20:151h 25mUnited Airlines

Thursday

  • UA148211:00→12:291h 29mUnited Airlines
  • UA559214:00→15:331h 33mUnited Airlines
  • UA576316:19→17:561h 37mUnited Airlines
  • F9116018:04→19:301h 26mFrontier Airlines
  • UA178018:50→20:151h 25mUnited Airlines
  • UA55221:20→22:481h 28mUnited Airlines

Friday

  • UA148211:00→12:291h 29mUnited Airlines
  • UA559214:00→15:331h 33mUnited Airlines
  • UA576316:19→17:561h 37mUnited Airlines
  • F9116018:04→19:301h 26mFrontier Airlines
  • UA178018:50→20:151h 25mUnited Airlines
  • UA55221:20→22:481h 28mUnited Airlines

Saturday

  • UA148211:00→12:291h 29mUnited Airlines
  • UA559214:00→15:331h 33mUnited Airlines
  • UA43616:35→18:011h 26mUnited Airlines
  • UA178018:50→20:151h 25mUnited Airlines

Sunday

  • UA148211:00→12:291h 29mUnited Airlines
  • UA559214:00→15:331h 33mUnited Airlines
  • UA576316:19→17:561h 37mUnited Airlines
  • F9116018:04→19:301h 26mFrontier Airlines
  • UA178018:50→20:151h 25mUnited Airlines
  • UA55221:20→22:481h 28mUnited Airlines

San Francisco to Ontario — frequently asked

How long is the flight from San Francisco to Ontario?
SFO–ONT is 1h 25m nonstop, covering 585 km (364 mi).
Which airlines fly nonstop from San Francisco to Ontario?
Frontier Airlines, NetJets Aviation, United Airlines operate this route nonstop.
How much is a flight from San Francisco to Ontario?
One-way fares on SFO–ONT recently started from $19. The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.
How often do flights run from San Francisco to Ontario?
The route is served 7 days a week (35 scheduled departures).