$178+ Cheap flights from Appleton to Ontario (ATW - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — ONT
May 21 — May 281
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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Best
Last-minute
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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 April 21, 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 April 21, 2026.
This United Airlines deal was found by Cheapflights users on 4/17. 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 6/55:30 pm
ATW
- ONT
1 stop7h 16m
United Airlines
Sun 6/76:30 am
ONT
- ATW
1 stop8h 24m
United Airlines
Deal found 4/17![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/18. 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 7/302:03 pm
ATW
- ONT
2 stops11h 41m
Delta
Tue 8/411:48 am
ONT
- ATW
1 stop8h 43m
Delta
Deal found 4/18![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 4/19. 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 5/204:13 pm
ATW
- ONT
2 stops9h 21m
Delta
Sat 5/231:29 pm
ONT
- ATW
2 stops7h 25m
Delta
Deal found 4/19![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/16. 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 5/45:30 am
ATW
- ONT
1 stop8h 06m
Delta
Tue 5/1212:08 pm
ONT
- ATW
1 stop8h 40m
Delta
Deal found 4/16![Delta logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Fri 7/317:00 am
ATW
- ONT
1 stop10h 09m
Multiple Airlines
Thu 8/63:34 pm
ONT
- ATW
1 stop21h 43m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 4/21. 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 8/2410:55 am
ATW
- ONT
2 stops13h 01m
Delta
Sat 8/2912:00 pm
ONT
- ATW
1 stop7h 57m
Delta
Deal found 4/21![Delta logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:00 am
ATW
- ONT
1 stop10h 08m
Multiple Airlines
Sat 6/206:47 pm
ONT
- ATW
2 stops36h 04m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 4/16. 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 5/65:30 am
ATW
- ONT
1 stop8h 06m
Delta
Sat 5/912:07 pm
ONT
- ATW
1 stop8h 41m
Delta
Deal found 4/16![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 4/18. 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 8/15:13 am
ATW
- ONT
1 stop7h 25m
Delta
Fri 8/711:48 am
ONT
- ATW
1 stop8h 43m
Delta
Deal found 4/18![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 4/17. 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 7/313:47 pm
ATW
- ONT
1 stop9h 04m
United Airlines
Sat 8/85:45 am
ONT
- ATW
2 stops11h 31m
United Airlines
Deal found 4/17![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 4/20. 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.
Wed 5/204:13 pm
ATW
- ONT
2 stops9h 21m
Delta
Wed 5/2712:07 pm
ONT
- ATW
1 stop8h 41m
Delta
Deal found 4/20![Delta logo]()
$429
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 April 21, 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 April 21, 2026.
This Delta deal was found by Cheapflights users on 4/19. 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 8/241:26 pm
ATW
- ONT
2 stops12h 18m
Delta
Sat 8/297:00 am
ONT
- ATW
2 stops11h 40m
Delta
Deal found 4/19![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/273:49 pm
ATW
- ONT
1 stop9h 02m
United Airlines
Sat 5/306:30 am
ONT
- ATW
1 stop6h 41m
United Airlines
Deal found 4/19![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 4/16. 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 5/45:30 am
ATW
- ONT
1 stop8h 06m
Delta
Tue 5/1212:08 pm
ONT
- ATW
1 stop8h 40m
Delta
Deal found 4/16![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 4/16. 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 5/65:30 am
ATW
- ONT
1 stop8h 06m
Delta
Tue 5/1212:08 pm
ONT
- ATW
1 stop8h 40m
Delta
Deal found 4/16![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 4/19. 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 9/3010:55 am
ATW
- ONT
2 stops9h 06m
Delta
Wed 10/712:00 pm
ONT
- ATW
1 stop7h 58m
Delta
Deal found 4/19![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 4/16. 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 5/65:30 am
ATW
- ONT
1 stop8h 06m
Delta
Sat 5/912:07 pm
ONT
- ATW
1 stop8h 41m
Delta
Deal found 4/16![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 4/18. 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 5/55:30 am
ATW
- ONT
1 stop8h 06m
Delta
Fri 5/1512:07 pm
ONT
- ATW
1 stop8h 41m
Delta
Deal found 4/18![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 4/16. 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 6/34:13 pm
ATW
- ONT
2 stops9h 21m
Delta
Sat 6/610:00 pm
ONT
- ATW
2 stops10h 47m
Delta
Deal found 4/16![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 4/16. 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 7/292:03 pm
ATW
- ONT
2 stops11h 41m
Delta
Wed 8/511:48 am
ONT
- ATW
1 stop8h 43m
Delta
Deal found 4/16![Delta logo]()
$484
This Delta deal was found by Cheapflights users on 4/21. 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 6/184:16 pm
ATW
- ONT
2 stops9h 29m
Delta
Mon 6/221:00 pm
ONT
- ATW
2 stops7h 58m
Delta
Deal found 4/21![Delta logo]()
$489
Last-minute flights from Appleton to OntarioDiscover last-minute flight deals from Appleton to Ontario. Data last updated April 21, 2026 and is based on user searches.
Discover last-minute flight deals from Appleton to Ontario. Data last updated April 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/18. 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 4/265:30 am
ATW
- ONT
1 stop8h 06m
Delta
Sat 5/912:07 pm
ONT
- ATW
1 stop8h 41m
Delta
Deal found 4/18![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 4/16. 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 5/45:30 am
ATW
- ONT
1 stop8h 06m
Delta
Tue 5/1212:08 pm
ONT
- ATW
1 stop8h 40m
Delta
Deal found 4/16![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 4/18. 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 5/45:30 am
ATW
- ONT
1 stop8h 06m
Delta
Mon 5/1812:07 pm
ONT
- ATW
1 stop8h 41m
Delta
Deal found 4/18![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 4/16. 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 5/65:30 am
ATW
- ONT
1 stop8h 06m
Delta
Sat 5/91:29 pm
ONT
- ATW
2 stops7h 25m
Delta
Deal found 4/16![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 4/18. 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 5/64:20 pm
ATW
- ONT
2 stops9h 23m
Delta
Fri 5/1512:07 pm
ONT
- ATW
1 stop8h 41m
Delta
Deal found 4/18![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 4/18. 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 5/76:25 am
ATW
- ONT
2 stops7h 54m
Delta
Fri 5/1512:07 pm
ONT
- ATW
1 stop8h 41m
Delta
Deal found 4/18![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 4/17. 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 5/196:25 am
ATW
- ONT
2 stops7h 54m
Delta
Tue 5/261:29 pm
ONT
- ATW
2 stops7h 25m
Delta
Deal found 4/17![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 4/19. 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 5/204:13 pm
ATW
- ONT
2 stops9h 21m
Delta
Sat 5/231:29 pm
ONT
- ATW
2 stops7h 25m
Delta
Deal found 4/19![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/20. 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.
Wed 5/204:13 pm
ATW
- ONT
2 stops9h 21m
Delta
Wed 5/2712:07 pm
ONT
- ATW
1 stop8h 41m
Delta
Deal found 4/20![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/215:30 pm
ATW
- ONT
1 stop7h 21m
United Airlines
Wed 5/271:18 pm
ONT
- ATW
1 stop5h 46m
United Airlines
Deal found 4/19![United Airlines logo]()
$469
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 April 21, 2026.
Search for one-way flight options from Appleton to Ontario. Find affordable one-way fares based on user searches. Data last updated April 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 5/257:00 am
ATW
- ONT
1 stop27h 04m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 4/18. 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 6/159:41 am
ATW
- ONT
3 stops40h 08m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 4/20. 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.
Sat 5/306:25 am
ATW
- ONT
2 stops7h 54m
Delta
Deal found 4/20![Delta logo]()
$254
This Delta deal was found by Cheapflights users on 4/20. 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.
Wed 5/276:25 am
ATW
- ONT
2 stops7h 54m
Delta
Deal found 4/20![Delta logo]()
$285
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:43 pm
ATW
- ONT
1 stop9h 52m
United Airlines
Deal found 4/20![United Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:49 pm
ATW
- ONT
1 stop9h 02m
United Airlines
Deal found 4/20![United Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 4/20. 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.
Sat 5/166:25 am
ATW
- ONT
2 stops7h 54m
Delta
Deal found 4/20![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 4/18. 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.
Fri 9/2510:55 am
ATW
- ONT
2 stops9h 06m
Delta
Deal found 4/18![Delta logo]()
$314
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 April 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (United Airlines) |
One-way from | $178 (Kiwi.com) |
Popular in | March |
Cheapest in | December |
Average price | $648 |
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 2,558,603 searches. Data last updated April 21, 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 - ONT
ATWONT
Appleton Intl
Mon 8/24
1:26 pm-11:44 pm
2 stops12h 18m
Ontario
Sat 8/29
7:00 am-8:40 pm
2 stops11h 40m
$379
AppletonOntario
ATW - ONT
ATWONT
Appleton Intl
Mon 5/4
5:30 am-11:36 am
1 stop8h 06m
Ontario
Tue 5/12
12:08 pm-10:48 pm
1 stop8h 40m
$394
AppletonOntario
ATW - ONT
ATWONT
Appleton Intl
Wed 5/6
5:30 am-11:36 am
1 stop8h 06m
Ontario
Tue 5/12
12:08 pm-10:48 pm
1 stop8h 40m
$394
AppletonOntario
ATW - ONT
ATWONT
Appleton Intl
Wed 9/30
10:55 am-6:01 pm
2 stops9h 06m
Ontario
Wed 10/7
12:00 pm-9:58 pm
1 stop7h 58m
$399
AppletonOntario
ATW - ONT
ATWONT
Appleton Intl
Wed 5/6
5:30 am-11:36 am
1 stop8h 06m
Ontario
Sat 5/9
12:07 pm-10:48 pm
1 stop8h 41m
$419
AppletonOntario
ATW - ONT
ATWONT
Appleton Intl
Tue 5/5
5:30 am-11:36 am
1 stop8h 06m
Ontario
Fri 5/15
12:07 pm-10:48 pm
1 stop8h 41m
$419
Quickest round-trip
AppletonOntario
ATW - ONT
ATWONT
Appleton Intl
Wed 5/27
3:49 pm-10:51 pm
1 stop9h 02m
Ontario
Sat 5/30
6:30 am-3:11 pm
1 stop6h 41m
$469
AppletonOntario
ATW - ONT
ATWONT
Appleton Intl
Wed 6/3
4:13 pm-11:34 pm
2 stops9h 21m
Ontario
Sat 6/6
10:00 pm-10:47 am
2 stops10h 47m
$477
AppletonOntario
ATW - ONT
ATWONT
Appleton Intl
Wed 7/29
2:03 pm-11:44 pm
2 stops11h 41m
Ontario
Wed 8/5
11:48 am-10:31 pm
1 stop8h 43m
$484
AppletonOntario
ATW - ONT
ATWONT
Appleton Intl
Thu 6/18
4:16 pm-11:45 pm
2 stops9h 29m
Ontario
Mon 6/22
1:00 pm-10:58 pm
2 stops7h 58m
$489
Showing 1-10 of 22 resultsSorted by cheapest first
- 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.
Cheapflights Insights
Everything you need to know about your flight from Appleton to Ontario
What is the cheapest month to book a flight from Appleton to Ontario?
Currently, December is the cheapest month in which you can book a flight from Appleton to Ontario (average of $319). Flying from Appleton to Ontario in March is currently the most expensive (average of $4,044). 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.
How much does it cost to fly round-trip from Appleton to Ontario?
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 April 21, 2026.
Peruse reviews from past customers who have flown with United Airlines and American 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.
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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Top 2 airlines flying from Appleton to Ontario
Discover the top 2 airlines 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 2,558,603 searches. Data last updated April 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$288 | Average$543 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$500 | FlexibilityNo cancel fee | On-time71% |