Flight Routes from Santa Rosa to Ontario

Compare cheap outbound and return flights from Santa Rosa (STS) to Ontario (ONT) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€410
Flight distance
681 km
Time difference
none

Cheap flight offers from Santa Rosa to Ontario

sorted by price and recency
  1. –
    Alaska Airlines
    –
    STS–ONT
    1 stopover
    Alaska Airlines
    –
    ONT–STS
    1 stopover
    €728
  2. –
    Alaska Airlines
    –
    STS–ONT
    1 stopover
    Alaska Airlines
    –
    ONT–STS
    2 stopovers
    €693
  3. –
    Alaska Airlines
    –
    STS–ONT
    1 stopover
    Alaska Airlines
    –
    ONT–STS
    1 stopover
    €687
  4. –
    American Airlines
    –
    STS–ONT
    1 stopover
    American Airlines
    –
    ONT–STS
    1 stopover
    €440
  5. –
    American Airlines
    –
    STS–ONT
    1 stopover
    American Airlines
    –
    ONT–STS
    1 stopover
    €410
  6. –
    American Airlines
    –
    STS–ONT
    1 stopover
    American Airlines
    –
    ONT–STS
    1 stopover
    €3,007

Flight schedule from Santa Rosa (STS) to Ontario (ONT)

Select a travel date in the flight schedule for the route from Santa Rosa (STS) to Ontario (ONT) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flightsSTS–ONT · 4 of 4
fromto
dep.arr.
durationstopovers
  1. November 8 – 14, 2026
  2. November 15 – 21, 2026
  3. November 22 – 28, 2026
    1. STSONT
      nonstop
      1. Alaska Airlines
    2. STSONT
      nonstop
      1. Alaska Airlines
    3. STSONT
      nonstop
      1. Southwest Airlines
    4. STSONT
      nonstop
      1. Alaska Airlines

      Important flight information

      Discover more flights around Santa Rosa and Ontario

      Departure airport Airport Santa Rosa - Sonoma County (STS)
      Arrival airport Airport Ontario-CA (ONT)
      Destination country Flights to United States
      Departure airport - Destination country Santa Rosa - Sonoma County - United States
      Alternative routes to United States
      Alternative flights to Ontario
      Flight destinations with a similar price
      Flight destinations with a similar price