Flight Routes from Portland to Ontario

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

Trip type
Cheapest roundtrip flight
from€941
Flight distance
4,177 km
Time difference

Cheap flight offers from Portland-ME to Ontario

sorted by price and recency
filters
  1. –
    United Airlines
    –
    PWM–ONT
    1 stopover
    United Airlines
    –
    ONT–PWM
    2 stopovers
    €1,192
  2. –
    American Airlines
    –
    PWM–ONT
    2 stopovers
    American Airlines
    –
    ONT–PWM
    2 stopovers
    €1,141
  3. –
    United Airlines
    –
    PWM–ONT
    2 stopovers
    Alaska Airlines
    –
    ONT–PWM
    3 stopovers
    €1,133
  4. –
    American Airlines
    –
    PWM–ONT
    2 stopovers
    American Airlines
    –
    ONT–PWM
    2 stopovers
    €941

Flight schedule from Portland (PWM) to Ontario (ONT)

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

offers
Active filtersnone
Matching outbound flightsPWM–ONT · 1 of 1
fromto
dep.arr.
durationstopovers
  1. April 18 – 24, 2027
  2. Apr 25 – May 1, 2027
  3. May 2 – 8, 2027
    No flights could be found for the active filters.
    1. PWMONT
      nonstop
      1. United Airlines

      Important flight information

      Discover more flights around Portland and Ontario

      Departure airport Airport Portland, ME (PWM)
      Arrival airport Airport Ontario-CA (ONT)
      Destination country Flights to United States
      Departure airport - Destination country Portland, ME - United States
      Alternative routes to United States
      Alternative flights to Ontario
      Flight destinations with a similar price
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