Cheap flights from Stillwater to Ontario

One-way fares from $399 · SWO → ONT · prices found by travellers in the last 48 hours

Cheapest fare
$399

American Airlines · Sat, Nov 14

Cheapest month
November

from $399

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 20m

1,880 km

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Cheapest month to fly from Stillwater to Ontario

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $399
  2. August 2027 $440

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

American Airlines
Depart06:00 Sat, Nov 14SWO → ONT 4h 46m · 1 stop
$399one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Ontario

Where to stay, what to do and getting around, from our travel partners.

About flights from Stillwater to Ontario

Stillwater (SWO) and Ontario (ONT) are about 1,880 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 20m. Over the next few months, one-way fares start from $399, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Stillwater to Ontario?

The cheapest one-way fare we've seen recently is $399 with American Airlines, departing Saturday, November 14, 2026. Over the coming months, the lowest fare in each month ranges from $399 to $440.

What is the cheapest month to fly from Stillwater to Ontario?

November 2026 currently has the lowest fares, from $399 one way.

Are there direct flights from Stillwater to Ontario?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Stillwater to Ontario?

The quickest journey we've seen takes about 4h 20m. Stillwater and Ontario are around 1,880 km apart.

Which airlines fly from Stillwater to Ontario?

Recent fares on this route were with American Airlines.

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