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$303+ Cheap flights from Lewiston, ID to Ontario (LWS - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LWS — ONT
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Lewiston to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Lewiston (LWS) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Delta)

Popular in

July

Cheapest in

January

Average price

$365
Provider with most accurate pricing for Lewiston Nez Perce Rgnl-Ontario flight deals.
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Provider most trusted by Cheapflights users for Lewiston Nez Perce Rgnl-Ontario flights.
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From Lewiston Nez Perce Rgnl to Ontario
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Lewiston to Ontario

Cheapest flights from Lewiston to Ontario
Explore the most affordable flight options available from Lewiston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/67:10 amLWS - ONT
1 stop6h 45mDelta
lun. 5/262:00 pmONT - LWS
1 stop7h 03mDelta
Deal found 2/20$303

Find flights from Lewiston to Ontario within your budget

Customize your flight search to find flights from Lewiston to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Lewiston

Fly to

Ontario

Route

Depart

Return

Price

LewistonOntario

LWS - ONT

LWSONT

Lewiston Nez Perce Rgnl

mar. 5/6

7:10 am-1:55 pm

1 stop6h 45m

Ontario

lun. 5/26

2:00 pm-9:03 pm

1 stop7h 03m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

  • Most accurate provider: When it comes to deals on Lewiston, Idaho-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lewiston, Idaho-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lewiston, Idaho-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lewiston, Idaho-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lewiston, Idaho-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lewiston to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Lewiston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Lewiston to Ontario

Get recent, data-driven insights about flights from Lewiston to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Lewiston, Idaho to Ontario?

Currently, August is the cheapest month in which you can book a flight from Lewiston, Idaho to Ontario (average of $246). Flying from Lewiston, Idaho to Ontario in March is currently the most expensive (average of $315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated febrero 20, 2025.
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Lewiston to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Lewiston, Idaho to Ontario round-trip?

    Our cheapest airline available from Lewiston, Idaho to Ontario is Delta. Our recent data shows that you can find tickets from as low as $303 on this airline.

  • Can I find deals for flights from Lewiston to Ontario that include hotel bookings?

    Yes. In addition to deals on Lewiston to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lewiston to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lewiston to Ontario.

  • Can I find deals for business class flights from Lewiston to Ontario?

    Yes. Cheapflights offers flight deals from Lewiston to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Lewiston, Idaho to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Lewiston, Idaho to Ontario (average of $246). Flying from Lewiston, Idaho to Ontario in March is currently the most expensive (average of $315). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Lewiston to Ontario

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Top 2 airlines flying from Lewiston to Ontario

Discover the top 2 airlines that operate flights from Lewiston to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$498FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$318Average$582FlexibilityNo cancel feeOn-time69%
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