- Cheapest fare
- $399
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 4h 20m
American Airlines · Sat, Nov 14
from $399
Usually 1+ stop
1,880 km
Get a price alert
We'll email you when Stillwater → Ontario drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $399. We'll send one email to confirm. See our privacy policy.
Cheapest month to fly from Stillwater to Ontario
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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.
More cheap flights from Stillwater
- Stillwater to Dallasfrom $124
- Stillwater to Chicagofrom $269
- Stillwater to Yumafrom $384
- Stillwater to Sacramentofrom $393
- Stillwater to Provofrom $418
- Stillwater to Akronfrom $420
- Stillwater to Punta Gordafrom $425
- Stillwater to Minneapolisfrom $426
- Stillwater to New Yorkfrom $430
- Stillwater to Houstonfrom $431
- Stillwater to Clevelandfrom $434
- Stillwater to Bismarckfrom $434