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Ontario

$264+ Cheap flights from Arcata to Ontario (ACV - 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
ACV — ONT
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from Arcata to Ontario

Cheapest flights from Arcata to Ontario
Explore the most affordable flight options available from Arcata to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:51 pm
ACV
-
ONT
1 stop18h 13m
Multiple Airlines
Fri 10/28:24 pm
ONT
-
ACV
1 stop15h 47m
Multiple Airlines
Deal found 7/28$287
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 8/268:00 am
ACV
-
ONT
1 stop4h 12m
United Airlines
Sat 8/298:00 am
ONT
-
ACV
1 stop3h 36m
United Airlines
Deal found 8/1$314
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Wed 8/2612:19 pm
ACV
-
ONT
1 stop19h 44m
Multiple Airlines
Sat 8/2911:50 am
ONT
-
ACV
2 stops22h 40m
Multiple Airlines
Deal found 8/1$348
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 12/256:00 am
ACV
-
ONT
1 stop3h 57m
United Airlines
Fri 12/251:18 pm
ONT
-
ACV
1 stop6h 42m
United Airlines
Deal found 7/31$389
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 12/216:00 am
ACV
-
ONT
1 stop6h 15m
United Airlines
Wed 12/301:18 pm
ONT
-
ACV
1 stop6h 42m
United Airlines
Deal found 7/31$394
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:27 pm
ACV
-
ONT
1 stop4h 32m
United Airlines
Sun 8/236:08 am
ONT
-
ACV
1 stop5h 28m
United Airlines
Deal found 7/28$395
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 8/198:00 am
ACV
-
ONT
1 stop4h 12m
United Airlines
Mon 8/241:56 pm
ONT
-
ACV
1 stop3h 50m
United Airlines
Deal found 8/1$409
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/272:08 pm
ACV
-
ONT
1 stop4h 03m
United Airlines
Mon 8/311:56 pm
ONT
-
ACV
1 stop6h 11m
United Airlines
Deal found 7/29$414
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Fri 8/147:09 am
ACV
-
ONT
1 stop5h 03m
United Airlines
Sun 8/161:56 pm
ONT
-
ACV
1 stop6h 11m
United Airlines
Deal found 7/30$424
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Sat 8/158:00 am
ACV
-
ONT
1 stop4h 12m
United Airlines
Sat 8/221:56 pm
ONT
-
ACV
1 stop3h 54m
United Airlines
Deal found 7/29$429

Find flight deals from Arcata to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Arcata (ACV) 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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$287
(Kiwi.com)

One-way from

$264
(Booking.com)

Popular in

November

Cheapest in

June

Average price

$389
Provider with most accurate pricing for Arcata Eureka-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Arcata Eureka-Ontario flights.
Search Deals
From Arcata Eureka to Ontario
Search Deals
One-way flight from Arcata Eureka to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Arcata 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 August 2, 2026.
Use the filters below to find and compare flights from Arcata to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sun 11/1

12:42 pm-8:51 pm

1 stop8h 09m

Ontario

Sun 11/15

6:00 am-11:48 am

1 stop5h 48m

$394

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Thu 10/29

6:05 am-12:29 pm

1 stop6h 24m

Ontario

Sun 11/1

6:00 am-11:48 am

1 stop5h 48m

$394

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Wed 10/28

2:13 pm-6:01 pm

1 stop3h 48m

Ontario

Sat 10/31

1:35 pm-7:56 pm

1 stop6h 21m

$394
Quickest round-trip

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 8/28

6:27 pm-10:59 pm

1 stop4h 32m

Ontario

Tue 9/1

1:56 pm-5:50 pm

1 stop3h 54m

$394

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Thu 8/20

6:27 pm-10:59 pm

1 stop4h 32m

Ontario

Sun 8/23

6:08 am-11:36 am

1 stop5h 28m

$395

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 8/28

6:27 pm-10:59 pm

1 stop4h 32m

Ontario

Mon 8/31

6:08 am-11:36 am

1 stop5h 28m

$414

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Thu 10/1

8:09 am-12:18 pm

1 stop4h 09m

Ontario

Mon 10/5

6:07 am-12:08 pm

1 stop6h 01m

$414

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Thu 8/27

2:08 pm-6:11 pm

1 stop4h 03m

Ontario

Mon 8/31

1:56 pm-8:07 pm

1 stop6h 11m

$414

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 8/14

7:09 am-12:12 pm

1 stop5h 03m

Ontario

Sun 8/16

1:56 pm-8:07 pm

1 stop6h 11m

$424
Cheapest one-way

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Tue 10/20

3:12 pm-4:02 pm

2 stops24h 50m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Arcata 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 Arcata to Ontario in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Arcata-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Arcata-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Arcata-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Arcata-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 Arcata-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 Arcata to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Arcata 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.

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 August 2, 2026.
Get a feel of what it's like to fly with United Airlines from Arcata to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,061 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
United Airlines
7.4
Good
10,061 reviews
United Airlines
7.4
Good
10,061 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Related info for your journey

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

  • How long is the flight from Arcata to Ontario?

    Departing from Arcata to Ontario will take you 8h 09m. The distance from Arcata to Ontario is about 595 mi.

  • What is the cheapest airline to fly from Arcata to Ontario round-trip?

    According to our current data, United Airlines ($304), offers the cheapest pricing from Arcata to Ontario. United Airlines is 34% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Arcata 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.

See more FAQs

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Top airline flying from Arcata to Ontario

Discover the top airline that operate flights from Arcata 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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$304Average$404FlexibilityNo cancel feeOn-time69%

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