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$239+ Cheap flights from Ontario to Arcata (ONT - ACV)

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ACV
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Find flight deals from Ontario to Arcata

Cheapest flights from Ontario to Arcata
Explore the most affordable flight options available from Ontario to Arcata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This United Airlines deal was found by Cheapflights users on 11/30. 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 12/61:50 pmONT - ACV
1 stop4h 04mUnited Airlines
Tue 12/92:15 pmACV - ONT
1 stop3h 22mUnited Airlines
Deal found 11/30$349
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/125:05 amONT - ACV
1 stop8h 25mUnited Airlines
Fri 1/912:30 pmACV - ONT
1 stop8h 28mUnited Airlines
Deal found 12/1$359
This United Airlines deal was found by Cheapflights users on 11/30. 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 12/56:41 pmONT - ACV
1 stop3h 34mUnited Airlines
Sun 12/144:10 pmACV - ONT
1 stop6h 39mUnited Airlines
Deal found 11/30$389
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Mon 12/226:39 pmONT - ACV
1 stop3h 49mUnited Airlines
Thu 1/14:10 pmACV - ONT
1 stop6h 31mUnited Airlines
Deal found 12/1$404
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Tue 12/21:50 pmONT - ACV
1 stop4h 04mUnited Airlines
Tue 12/92:15 pmACV - ONT
1 stop3h 22mUnited Airlines
Deal found 12/1$419
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Thu 12/45:05 amONT - ACV
1 stop8h 25mUnited Airlines
Sun 12/76:45 pmACV - ONT
1 stop4h 04mUnited Airlines
Deal found 12/1$434
This United Airlines deal was found by Cheapflights users on 11/30. 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.
Tue 12/2310:42 amONT - ACV
1 stop7h 05mUnited Airlines
Fri 12/266:30 pmACV - ONT
1 stop4h 11mUnited Airlines
Deal found 11/30$444
This United Airlines deal was found by Cheapflights users on 12/1. 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.
Thu 12/115:05 amONT - ACV
1 stop8h 25mUnited Airlines
Fri 12/122:15 pmACV - ONT
1 stop22h 03mUnited Airlines
Deal found 12/1$468
This United Airlines deal was found by Cheapflights users on 12/1. 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 12/125:05 amONT - ACV
1 stop8h 25mUnited Airlines
Sat 12/134:10 pmACV - ONT
1 stop25h 27mUnited Airlines
Deal found 12/1$488
This United Airlines deal was found by Cheapflights users on 11/30. 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 12/216:39 pmONT - ACV
1 stop3h 49mUnited Airlines
Sat 12/277:14 amACV - ONT
1 stop15h 27mUnited Airlines
Deal found 11/30$494
This United Airlines deal was found by Cheapflights users on 11/30. 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.
Mon 12/16:00 amONT - ACV
1 stop4h 55mUnited Airlines
Mon 12/812:30 pmACV - ONT
1 stop8h 12mUnited Airlines
Deal found 11/30$500

Cheap flight deals from Ontario to Arcata

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Arcata (ACV). 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 December 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$314
(United Airlines)

One-way from

$239
(United Airlines)

Popular in

April

Cheapest in

August

Average price

$379
Provider with most accurate pricing for Ontario-Arcata Eureka flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Arcata Eureka flights.
Search Deals
From Ontario to Arcata Eureka
Search Deals
One-way flight from Ontario to Arcata Eureka
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Arcata 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 December 1, 2025.
Use the filters below to find and compare flights from Ontario to Arcata that are best for you.

Fly from

Ontario

Fly to

Arcata

Route

Depart

Return

Price

OntarioArcata

ONT - ACV

ONTACV

Ontario

Thu 1/15

6:00 am-10:52 am

1 stop4h 52m

Arcata Eureka

Sun 1/18

7:15 am-11:18 am

1 stop4h 03m

$314

OntarioArcata

ONT - ACV

ONTACV

Ontario

Wed 1/14

5:05 am-1:26 pm

1 stop8h 21m

Arcata Eureka

Sat 1/17

7:15 am-12:17 pm

1 stop5h 02m

$314

OntarioArcata

ONT - ACV

ONTACV

Ontario

Thu 1/15

6:00 am-10:52 am

1 stop4h 52m

Arcata Eureka

Sat 1/17

2:09 pm-5:51 pm

1 stop3h 42m

$314

OntarioArcata

ONT - ACV

ONTACV

Ontario

Tue 1/13

6:32 pm-10:29 pm

1 stop3h 57m

Arcata Eureka

Sat 1/17

12:30 pm-8:58 pm

1 stop8h 28m

$314

OntarioArcata

ONT - ACV

ONTACV

Ontario

Fri 1/23

5:05 am-1:26 pm

1 stop8h 21m

Arcata Eureka

Sat 1/24

7:15 am-12:17 pm

1 stop5h 02m

$314

OntarioArcata

ONT - ACV

ONTACV

Ontario

Fri 2/20

5:00 am-1:31 pm

1 stop8h 31m

Arcata Eureka

Tue 2/24

7:18 am-12:38 pm

1 stop5h 20m

$314

OntarioArcata

ONT - ACV

ONTACV

Ontario

Wed 1/21

5:05 am-1:26 pm

1 stop8h 21m

Arcata Eureka

Sat 1/24

12:30 pm-8:58 pm

1 stop8h 28m

$314

OntarioArcata

ONT - ACV

ONTACV

Ontario

Wed 1/21

5:05 am-1:26 pm

1 stop8h 21m

Arcata Eureka

Wed 1/28

12:30 pm-8:58 pm

1 stop8h 28m

$314

OntarioArcata

ONT - ACV

ONTACV

Ontario

Fri 1/16

5:05 am-1:26 pm

1 stop8h 21m

Arcata Eureka

Sat 1/17

7:15 am-12:17 pm

1 stop5h 02m

$359

OntarioArcata

ONT - ACV

ONTACV

Ontario

Thu 3/5

6:00 am-10:54 am

1 stop4h 54m

Arcata Eureka

Sat 3/7

12:35 pm-8:50 pm

1 stop8h 15m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

Showing 1-10 of 20 results
1
2

Compare providers for flights from Ontario to Arcata

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 Arcata in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 Ontario-Arcata flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Arcata flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Arcata flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Arcata flights, Cheapflights users trust eDreams the most. eDreams 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-Arcata 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 Arcata

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

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

Currently, December is the cheapest month in which you can book a flight from Ontario to Arcata (average of $77). Flying from Ontario to Arcata in February is currently the most expensive (average of $171). 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 Ontario to Arcata?

Reviews of airlines servicing Arcata

Get insights into the airlines that provide service to Arcata. 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 Arcata. Reviews last updated December 1, 2025.
Get a feel of what it's like to fly with United Airlines from Ontario to Arcata 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
9,056 reviews

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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
9,056 reviews
United Airlines
7.4
Good
9,056 reviews

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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 Ontario to Arcata. 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 Ontario to Arcata?

    United Airlines can get you from Ontario to Arcata in just under 4h 52m. Your travel time can differ by up to . There are 595 mi between Ontario and Arcata.

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

    Currently priced at $279, United Airlines will fly you from Ontario to Arcata and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Arcata 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 Ontario to Arcata?

    Currently, December is the cheapest month in which you can book a flight from Ontario to Arcata (average of $77). Flying from Ontario to Arcata in February is currently the most expensive (average of $171). 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 Ontario to Arcata

Discover the top airline that operate flights from Ontario to Arcata. 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$279Average$377FlexibilityNo cancel feeOn-time69%

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