$138+ Cheap flights from Appleton to Ontario (ATW - 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — ONT
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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Find cheap flights from Appleton to Ontario 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 Appleton to Ontario
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Cheapest flights from Appleton to OntarioExplore the most affordable flight options available from Appleton to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
Explore the most affordable flight options available from Appleton to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2026.
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1212:37 pm -
1 stop8h 07m
Tue 12/151:40 pm -
1 stop6h 26m
Deal found 11/2![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 11/1. 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 11/2612:32 pm -
2 stops7h 58m
Tue 12/112:20 pm -
1 stop7h 57m
Deal found 11/1![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 11/1. 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 11/2612:32 pm -
2 stops7h 58m
Wed 12/212:20 pm -
1 stop7h 57m
Deal found 11/1![Delta logo]()
$394
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
2 stops13h 13m
Fri 11/272:09 pm -
1 stop6h 25m
Deal found 11/1![American Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:37 pm -
1 stop8h 07m
Tue 12/87:00 am -
1 stop8h 56m
Deal found 11/1![United Airlines logo]()
$499
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:00 am -
1 stop29h 16m
Thu 11/1911:52 am -
2 stops32h 09m
Deal found 10/31![Multiple Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 10/29. 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 11/15:35 am -
1 stop7h 31m
Sat 11/712:16 pm -
1 stop7h 52m
Deal found 10/29![Delta logo]()
$533
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:37 pm -
1 stop8h 07m
Wed 12/91:40 pm -
1 stop6h 26m
Deal found 10/30![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:54 am -
2 stops13h 17m
Sun 12/65:00 am -
2 stops10h 56m
Deal found 11/1![United Airlines logo]()
$544
Best flights from Appleton to OntarioDiscover carefully curated flight deals from Appleton to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
Discover carefully curated flight deals from Appleton to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:37 pm -
1 stop8h 07m
Wed 12/91:40 pm -
1 stop6h 26m
Deal found 10/28![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/812:32 pm -
2 stops10h 28m
Thu 1/147:00 am -
1 stop6h 59m
Deal found 11/2![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:15 am -
2 stops13h 21m
Tue 12/87:00 am -
1 stop8h 56m
Deal found 10/31![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2112:32 pm -
1 stop8h 18m
Sun 1/247:00 am -
1 stop9h 14m
Deal found 10/31![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/712:32 pm -
1 stop8h 18m
Sat 2/137:00 am -
1 stop7h 56m
Deal found 10/30![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1012:32 pm -
1 stop8h 18m
Sat 2/206:00 am -
2 stops13h 09m
Deal found 10/31![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:50 pm -
1 stop7h 57m
Tue 11/177:00 am -
1 stop6h 46m
Deal found 10/29![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:50 am -
2 stops13h 01m
Tue 11/247:00 am -
1 stop6h 46m
Deal found 11/2![United Airlines logo]()
$574
Last-minute flights from Appleton to OntarioDiscover last-minute flight deals from Appleton to Ontario. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Appleton to Ontario. Data last updated November 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:50 pm -
1 stop7h 57m
Tue 11/177:00 am -
1 stop6h 46m
Deal found 10/29![United Airlines logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:00 am -
1 stop29h 16m
Thu 11/1911:52 am -
2 stops32h 09m
Deal found 10/31![Multiple Airlines logo]()
$517
This Delta deal was found by Cheapflights users on 11/1. 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 11/2612:32 pm -
2 stops7h 58m
Tue 12/112:20 pm -
1 stop7h 57m
Deal found 11/1![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 11/1. 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 11/2612:32 pm -
2 stops7h 58m
Wed 12/212:20 pm -
1 stop7h 57m
Deal found 11/1![Delta logo]()
$394
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
2 stops13h 13m
Fri 11/272:09 pm -
1 stop6h 25m
Deal found 11/1![American Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:54 am -
2 stops13h 17m
Sun 12/65:00 am -
2 stops10h 56m
Deal found 11/1![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:37 pm -
1 stop8h 07m
Tue 12/87:00 am -
1 stop8h 56m
Deal found 11/1![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:37 pm -
1 stop8h 07m
Wed 12/91:40 pm -
1 stop6h 26m
Deal found 10/30![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1212:37 pm -
1 stop8h 07m
Tue 12/151:40 pm -
1 stop6h 26m
Deal found 11/2![United Airlines logo]()
$379
One-way flights from Appleton to OntarioSearch for one-way flight options from Appleton to Ontario. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
Search for one-way flight options from Appleton to Ontario. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1410:00 am -
1 stop27h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/512:54 pm -
3 stops37h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:51 pm -
3 stops45h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$274
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![American Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:37 pm -
1 stop8h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/16:00 am -
1 stop7h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![American Airlines logo]()
$379
Find flight deals from Appleton to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) 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 November 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (United Airlines) |
One-way from | $138 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $509 |
Cheapflights Fare Finder
Customize your flight search to find flights from Appleton 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 7,457,451 searches. Data last updated November 3, 2026.
Use the filters below to find and compare flights from Appleton to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Mon 12/14
10:00 am-11:23 pm
2 stops39h 23m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$185
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Sat 11/21
7:51 pm-2:51 pm
3 stops45h 00m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$274
Quickest round-trip
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Sat 11/21
6:00 am-11:55 am
1 stop7h 55m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$280
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Tue 12/15
12:37 pm-6:44 pm
1 stop8h 07m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$295
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Thu 4/1
6:00 am-11:59 am
1 stop7h 59m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$379
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Fri 4/2
5:29 am-11:27 am
1 stop7h 58m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$403
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Tue 1/5
5:00 pm-6:50 pm
1 stop27h 50m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$403
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Fri 4/2
5:15 am-3:31 pm
2 stops12h 16m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$404
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Sun 11/22
8:30 am-8:51 pm
1 stop14h 21m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$407
AppletonOntario
ATW Appleton Intl - ONT Ontario
ATWONT
Appleton Intl
Sat 12/5
12:37 pm-6:44 pm
1 stop8h 07m
Ontario
Wed 12/9
1:40 pm-10:06 pm
1 stop6h 26m
$499
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Appleton to Ontario
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 Appleton to Ontario in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Appleton-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Appleton-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Appleton-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Appleton-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 Appleton-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 Appleton to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Appleton with our price prediction graph.
ATW-ONT
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.
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 November 3, 2026.
Peruse reviews from past customers who have flown with United Airlines from Appleton to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.3
Food
6.7
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Overall
7.3
Food
6.7
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Related info for your journey
Find useful and relevant information for your journey from Appleton to Ontario. 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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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 3, 2026.
Appleton and Ontario flights
Browse other Appleton and Ontario flight options. Last updated on November 3, 2026.
Other flights from Appleton
Browse through other flights departing from Appleton. Flights are based on user searches made on Cheapflights and were last updated on November 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Appleton to Ontario
Discover the top airline that operate flights from Appleton 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 7,457,451 searches. Data last updated November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$330 | Average$572 | FlexibilityNo cancel fee | On-time69% |