Green Bay to Ontario flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Green Bay to Ontario is €910 with WestJet (checked on 5 Nov 2026).
Your next trip, last seen at €910

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
- 24 Feb€910
- Lowest observed
- €910, departing 24 Feb 2027 (Last checked: 5 Nov 2026)One-way fareCheck live prices for this route
- Airlines seen
- Aeromexico, Alaska Airlines, Frontier Airlines, United Airlines, WestJet
- Typical journey time
- 7h 29m
About this route
Explore the fares we observed from Green Bay to Ontario. Prices move often, so pick your dates to see the latest options.
- Route distance
- 2,783 km
- Typical journey time
- 7h 29m
- Airlines seen
- Aeromexico, Alaska Airlines, Frontier Airlines, United Airlines, WestJet
- Seen on fares with a connection
- United Airlines, WestJet, Frontier Airlines
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
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
- Austin Straubel International Airport (GRB) → Green Bay, city gazetteer reference point (44.5133, -88.0133): ≈ 10 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 Green Bay to Ontario?
The lowest fare Routavio has observed is €910, found on 5 Nov 2026.
Are there direct flights from Green Bay to Ontario?
Our data holds no non-stop flight from Green Bay to Ontario. The fares on this page include at least one stop.
Which airlines fly from Green Bay to Ontario?
Routavio has seen these carriers on the route: Aeromexico, Alaska Airlines, Frontier Airlines, United Airlines, WestJet.
How long does the flight from Green Bay to Ontario take?
Across the 55 fares Routavio observed, the average journey time is 15h 19m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Green Bay to Ontario fares were non-stop?
None of the 55 fares we observed was non-stop; every one 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
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Recently observed fares. Prices may change.