ONT - LWS

$231 Find Cheap Flights from Ontario to Lewiston - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest one-way
$231
Typical prices: $246-$422
Delta
Tue 2/27
ONT - LWS • 1 stop
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Cheap Flights from Ontario to Lewiston (ONT-LWS)

 
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Recent round-trip flight deals from Ontario to Lewiston

Multiple Airlines Logo
ONT  Ontario Airport-LWS Lewiston Nez Perce Rgnl
851 mimulti-stop
Multiple Airlines Logo
LWS  Lewiston Nez Perce Rgnl-ONT Ontario Airport
851 mimulti-stop
Multiple Airlines
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Price, demand and travel trends for Ontario to Lewiston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest layover airport when flying from Ontario to Lewiston?

Flights via Seattle/Tacoma Intl (SEA) offer the most affordable fares, with an average round-trip price of $782. Based on KAYAK data over the past 3 months.

When flying from Ontario to Lewiston which airport offers the shortest layover?

Seattle/Tacoma Intl (SEA) had the shortest average connection time for Ontario to Lewiston layovers at 3h 04m over the past 3 months.

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Key details for Ontario to Lewiston flights

Cheapest flight

$231
One-way flight from Ontario to Lewiston

When to book flights from Ontario to Lewiston

Are your dates flexible? Find out the best times to travel from Ontario to Lewiston 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 Lewiston flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Ontario to Lewiston?

    Only Economy Class is available on flights from Ontario to Lewiston.

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

    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 Lewiston looking right now?

    One-way fares from Ontario to Lewiston are currently higher than usual. Average one-way flight prices are about $876, which is 107% above the typical average for this route.

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

    Flights from Ontario to Lewiston usually depart from Ontario (ONT) and arrive at Lewiston Nez Perce Rgnl (LWS).

  • Which airports do connecting flights from Ontario to Lewiston pass through?

    Most connecting flights from Ontario to Lewiston pass through Seattle/Tacoma Intl (SEA), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Ontario to Lewiston?

    Yes. Flexible dates can save you up to 70% on flights from Ontario to Lewiston. Wednesday is the cheapest departure day at $366 round-trip on average, while Thursday is the most expensive at $1,206, a difference of $840.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Your guide to booking Ontario to Lewiston flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Thursday. On this route, Wednesday flights average $366, about $840 less than Thursday fares (70% savings) based on the last 12 months.

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