Flight Routes from Ontario to Boise

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

Trip type
Cheapest roundtrip flight
from€233
Fastest flight
non-stop flights
8x / week
Flight distance
1,065 km
Time difference

Cheap flight offers from Ontario to Boise

sorted by price and recency
  1. –
    Alaska Airlines
    –
    ONT–BOI
    non-stop flight
    Alaska Airlines
    –
    BOI–ONT
    1 stopover
    €233
  2. –
    American Airlines
    –
    ONT–BOI
    1 stopover
    American Airlines
    –
    BOI–ONT
    1 stopover
    €398
  3. –
    Delta Air Lines
    –
    ONT–BOI
    1 stopover
    Delta Air Lines
    –
    BOI–ONT
    1 stopover
    €331

Flight schedule from Ontario (ONT) to Boise (BOI)

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

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

      Important flight information

      Discover more flights around Ontario and Boise

      Departure airport Airport Ontario-CA (ONT)
      Arrival airport Airport Boise-ID (BOI)
      Destination country Flights to United States
      Departure airport - Destination country Ontario-CA - United States
      Alternative routes to United States
      Alternative flights to Boise
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