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Ontario

$193+ Cheap flights from Arcata to Ontario (ACV - 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
ACV — ONT
Jul 7 — Jul 141
Tue 7/7
Tue 7/14
1 adult, Economy
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Find cheap flights from Arcata to Ontario with Cheapflights

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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 June 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Wed 7/112:19 pm
ACV
-
ONT
1 stop7h 32m
Multiple Airlines
Tue 7/73:40 pm
ONT
-
ACV
1 stop19h 59m
Multiple Airlines
Deal found 6/2$193
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:44 pm
ACV
-
ONT
1 stop3h 53m
United Airlines
Thu 7/301:50 pm
ONT
-
ACV
1 stop4h 13m
United Airlines
Deal found 6/6$375
This United Airlines deal was found by Cheapflights users on 6/3. 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 6/186:00 am
ACV
-
ONT
1 stop6h 12m
United Airlines
Mon 6/221:50 pm
ONT
-
ACV
1 stop4h 12m
United Airlines
Deal found 6/3$377
This United Airlines deal was found by Cheapflights users on 6/2. 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 11/142:15 pm
ACV
-
ONT
1 stop3h 32m
United Airlines
Wed 11/186:53 pm
ONT
-
ACV
1 stop5h 00m
United Airlines
Deal found 6/2$394
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
ACV
-
ONT
1 stop6h 12m
United Airlines
Tue 9/11:56 pm
ONT
-
ACV
1 stop3h 54m
United Airlines
Deal found 6/6$404
This United Airlines deal was found by Cheapflights users on 6/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:00 am
ACV
-
ONT
1 stop6h 12m
United Airlines
Tue 6/236:00 am
ONT
-
ACV
1 stop5h 40m
United Airlines
Deal found 6/4$414
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/26:44 pm
ACV
-
ONT
1 stop3h 53m
United Airlines
Wed 7/86:39 pm
ONT
-
ACV
1 stop4h 12m
United Airlines
Deal found 6/3$434
This United Airlines deal was found by Cheapflights users on 6/3. 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 6/126:44 pm
ACV
-
ONT
1 stop3h 53m
United Airlines
Wed 6/171:50 pm
ONT
-
ACV
1 stop4h 12m
United Airlines
Deal found 6/3$444
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/167:40 am
ACV
-
ONT
1 stop4h 32m
United Airlines
Mon 7/206:39 pm
ONT
-
ACV
1 stop5h 20m
United Airlines
Deal found 6/3$449
This United Airlines deal was found by Cheapflights users on 6/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:00 am
ACV
-
ONT
1 stop6h 12m
United Airlines
Mon 6/221:50 pm
ONT
-
ACV
1 stop4h 12m
United Airlines
Deal found 6/6$454

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 June 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$375
(United Airlines)

One-way from

$309
(United Airlines)

Popular in

November

Cheapest in

June

Average price

$335
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 ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 7, 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

Sat 7/4

7:40 am-12:12 pm

1 stop4h 32m

Ontario

Sat 7/11

4:20 pm-10:12 pm

1 stop5h 52m

$394

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Wed 9/2

8:10 am-12:12 pm

1 stop4h 02m

Ontario

Sat 9/5

1:56 pm-8:07 pm

1 stop6h 11m

$394
Quickest round-trip

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 11/14

2:15 pm-5:47 pm

1 stop3h 32m

Ontario

Wed 11/18

6:53 pm-11:53 pm

1 stop5h 00m

$394

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 8/29

6:00 am-12:12 pm

1 stop6h 12m

Ontario

Tue 9/1

1:56 pm-5:50 pm

1 stop3h 54m

$404

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 6/27

6:44 pm-10:50 pm

1 stop4h 06m

Ontario

Mon 7/6

6:00 am-11:42 am

1 stop5h 42m

$444

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Tue 7/14

7:40 am-12:12 pm

1 stop4h 32m

Ontario

Sat 7/18

6:00 am-11:44 am

1 stop5h 44m

$444

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Thu 7/9

6:00 am-12:12 pm

1 stop6h 12m

Ontario

Mon 7/13

6:39 pm-11:59 pm

1 stop5h 20m

$459

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sun 7/5

6:00 am-12:12 pm

1 stop6h 12m

Ontario

Sat 7/11

4:20 pm-10:12 pm

1 stop5h 52m

$459

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 11/14

3:22 pm-10:54 pm

1 stop7h 32m

Ontario

Wed 11/18

5:52 pm-2:45 pm

2 stops20h 53m

$478
Cheapest one-way

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Mon 6/29

6:44 pm-10:37 pm

1 stop3h 53m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 20 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 June.
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.

Cheapflights Insights

Everything you need to know about your flight from Arcata to Ontario

What is the cheapest month to book a flight from Arcata to Ontario?

Currently, June is the cheapest month in which you can book a flight from Arcata to Ontario (average of $335). Flying from Arcata to Ontario in November is currently the most expensive (average of $610). 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.

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 June 7, 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
9,777 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,777 reviews
United Airlines
7.4
Good
9,777 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 4h 32m. 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 ($281), offers the cheapest pricing from Arcata to Ontario. United Airlines is 36% 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.

  • What is the cheapest month to book a flight from Arcata to Ontario?

    Currently, June is the cheapest month in which you can book a flight from Arcata to Ontario (average of $335). Flying from Arcata to Ontario in November is currently the most expensive (average of $610). 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.

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 June 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$281Average$399FlexibilityNo cancel feeOn-time69%

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