ONT - ART

$541 Find Cheap Flights from Ontario to Watertown - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest one-way
$541
Typical prices: $580-$580
American Airlines
Sun 11/4
ONT - ART • 2 stops
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Cheap Flights from Ontario to Watertown (ONT-ART)

 
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Recent round-trip flight deals from Ontario to Watertown

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ONT  Ontario Airport-ART Watertown
2306 mimulti-stop
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ART  Watertown-ONT Ontario Airport
2306 mimulti-stop
Multiple Airlines
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Key details for Ontario to Watertown flights

Cheapest flight

$541
Flight from Ontario to Watertown

When to book flights from Ontario to Watertown

Are your dates flexible? Find out the best times to travel from Ontario to Watertown based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Watertown flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Do I need a passport to fly from Ontario to Watertown?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Ontario to Watertown looking right now?

    One-way fares from Ontario to Watertown are currently in line with typical prices for this route. Average one-way fares are about $563.

  • Which airports can I use when flying from Ontario to Watertown?

    Flights from Ontario to Watertown usually depart from Ontario (ONT) and arrive at Watertown (ART).

  • What is the time difference between Ontario and Watertown?

    Watertown is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

More options for your flight from Ontario to Watertown

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