Boise to Ontario flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Boise to Ontario is €248 (checked on 26 Oct 2026).
Your next trip, last seen at €248

When to fly
Explore datesFind the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €248, departing 20 Nov 2026 (Last checked: 26 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Alaska Airlines, Frontier Airlines, United Airlines
- Reported fastest flight
- 2h 07m
- Non-stop
- Yes
About this route
Explore the fares we observed from Boise to Ontario. Prices move often, so pick your dates to see the latest options.
- Route distance
- 1,071 km
- Reported fastest flight
- 2h 07m
Route-level information; individual journeys vary.
Published schedules report non-stop service with Alaska Airlines. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Boise Air Terminal/Gowen Field (BOI) → Boise, city gazetteer reference point (43.6150, -116.2023): ≈ 6 km.
- Ontario International Airport (ONT) → Ontario, city gazetteer reference point (34.0500, -117.6400): ≈ 4 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much is a flight from Boise to Ontario?
The lowest fare Routavio has observed is €248, found on 26 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Boise to Ontario?
In our observations November 2026 is the cheapest month so far, at €248.
Are there direct flights from Boise to Ontario?
Yes. Published schedules report non-stop flights on this route with Alaska Airlines.
Which airlines fly from Boise to Ontario?
Routavio has seen these carriers on the route: Alaska Airlines, Frontier Airlines, United Airlines.
How long does the flight from Boise to Ontario take?
Across the 79 fares Routavio observed, the average journey time is 7h 35m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Boise to Ontario fares were non-stop?
14 of the 83 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
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Recently observed fares. Prices may change.

