$246+ Cheap flights from Ontario to Lewiston, ID (ONT - LWS)
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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LWS
Nov 7 — Nov 141
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Lewiston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Lewiston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to LewistonExplore the most affordable flight options available from Ontario to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
Explore the most affordable flight options available from Ontario to Lewiston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
This Delta deal was found by Cheapflights users on 10/5. 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.
Tue 11/36:00 pm -
1 stop5h 06m
Sat 11/712:19 pm -
2 stops10h 24m
Deal found 10/5![Delta logo]()
$975
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 12/235:38 pm -
1 stop5h 21m
Mon 12/287:00 am -
2 stops9h 10m
Deal found 10/6![Delta logo]()
$1,183
This Delta deal was found by Cheapflights users on 10/7. 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.
Thu 12/246:00 am -
1 stop5h 35m
Mon 12/287:00 am -
2 stops9h 10m
Deal found 10/7![Delta logo]()
$1,324
This Delta deal was found by Cheapflights users on 10/4. 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.
Wed 12/235:38 pm -
1 stop5h 21m
Tue 12/297:00 am -
2 stops9h 10m
Deal found 10/4![Delta logo]()
$1,474
Best flights from Ontario to LewistonDiscover carefully curated flight deals from Ontario to Lewiston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
Discover carefully curated flight deals from Ontario to Lewiston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
This Delta deal was found by Cheapflights users on 10/4. 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.
Tue 11/36:00 pm -
1 stop5h 06m
Sat 11/79:15 am -
1 stop7h 57m
Deal found 10/4![Delta logo]()
$1,039
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 12/235:38 pm -
1 stop5h 21m
Mon 12/287:00 am -
2 stops9h 10m
Deal found 10/6![Delta logo]()
$1,183
This Delta deal was found by Cheapflights users on 10/7. 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.
Thu 12/246:00 am -
1 stop5h 35m
Mon 12/287:00 am -
2 stops9h 10m
Deal found 10/7![Delta logo]()
$1,324
This Delta deal was found by Cheapflights users on 10/4. 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.
Wed 12/235:38 pm -
1 stop5h 21m
Tue 12/297:00 am -
2 stops9h 10m
Deal found 10/4![Delta logo]()
$1,474
Last-minute flights from Ontario to LewistonDiscover last-minute flight deals from Ontario to Lewiston. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Lewiston. Data last updated October 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/5. 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.
Tue 11/36:00 pm -
1 stop5h 06m
Sat 11/712:19 pm -
2 stops10h 24m
Deal found 10/5![Delta logo]()
$975
One-way flights from Ontario to LewistonSearch for one-way flight options from Ontario to Lewiston. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
Search for one-way flight options from Ontario to Lewiston. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Delta deal was found by Cheapflights users on 10/6. 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.
Sat 12/266:00 am -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$246
This Delta deal was found by Cheapflights users on 10/7. 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.
Sun 11/226:00 am -
1 stop5h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 10/7. 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.
Mon 11/231:15 pm -
2 stops9h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$490
Find flight deals from Ontario to Lewiston
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Lewiston (LWS). 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 October 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $975 (Delta) |
One-way from | $246 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Lewiston 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 7,457,451 searches. Data last updated October 8, 2026.
Use the filters below to find and compare flights from Ontario to Lewiston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioLewiston
ONT Ontario - LWS Lewiston Nez Perce Rgnl
ONTLWS
Ontario
Sat 12/26
6:00 am-11:35 am
1 stop5h 35m
Lewiston Nez Perce Rgnl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$246
OntarioLewiston
ONT Ontario - LWS Lewiston Nez Perce Rgnl
ONTLWS
Ontario
Sun 11/22
6:00 am-11:44 am
1 stop5h 44m
Lewiston Nez Perce Rgnl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$263
OntarioLewiston
ONT Ontario - LWS Lewiston Nez Perce Rgnl
ONTLWS
Ontario
Mon 11/23
6:00 am-11:44 am
1 stop5h 44m
Lewiston Nez Perce Rgnl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$263
OntarioLewiston
ONT Ontario - LWS Lewiston Nez Perce Rgnl
ONTLWS
Ontario
Tue 11/3
6:00 pm-11:06 pm
1 stop5h 06m
Lewiston Nez Perce Rgnl
Sat 11/7
9:15 am-5:12 pm
1 stop7h 57m
$1,039
OntarioLewiston
ONT Ontario - LWS Lewiston Nez Perce Rgnl
ONTLWS
Ontario
Wed 12/23
5:38 pm-10:59 pm
1 stop5h 21m
Lewiston Nez Perce Rgnl
Mon 12/28
7:00 am-4:10 pm
2 stops9h 10m
$1,183
OntarioLewiston
ONT Ontario - LWS Lewiston Nez Perce Rgnl
ONTLWS
Ontario
Thu 12/24
6:00 am-11:35 am
1 stop5h 35m
Lewiston Nez Perce Rgnl
Mon 12/28
7:00 am-4:10 pm
2 stops9h 10m
$1,324
OntarioLewiston
ONT Ontario - LWS Lewiston Nez Perce Rgnl
ONTLWS
Ontario
Wed 12/23
5:38 pm-10:59 pm
1 stop5h 21m
Lewiston Nez Perce Rgnl
Tue 12/29
7:00 am-4:10 pm
2 stops9h 10m
$1,474
Sorted by cheapest first
Compare providers for flights from Ontario to Lewiston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Lewiston in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Lewiston, Idaho flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Lewiston, Idaho flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Lewiston, Idaho flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Lewiston, Idaho 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 Ontario-Lewiston, Idaho 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 Ontario to Lewiston
Have a flexible travel schedule? Discover the best time to fly to Lewiston from Ontario with our price prediction graph.
ONT-LWS
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.
Related info for your journey
Find useful and relevant information for your journey from Ontario to Lewiston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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