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$269+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
ACV — ONT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$314
(United Airlines)

One-way from

$269
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$399
From Arcata Eureka to Ontario
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One-way flight from Arcata Eureka to Ontario
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Highest demand for flights based on searches. 10% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 10/256:45 pmACV - ONT
1 stop4h 07mUnited Airlines
Fri 10/316:00 amONT - ACV
1 stop4h 55mUnited Airlines
Deal found 9/14$314
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/306:45 pmACV - ONT
1 stop4h 07mUnited Airlines
Sat 10/41:53 pmONT - ACV
1 stop4h 00mUnited Airlines
Deal found 9/15$324
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/108:15 amACV - ONT
1 stop4h 02mUnited Airlines
Wed 12/176:00 amONT - ACV
1 stop4h 55mUnited Airlines
Deal found 9/15$344
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/23:50 pmACV - ONT
1 stop25h 44mUnited Airlines
Sun 11/96:00 amONT - ACV
1 stop4h 55mUnited Airlines
Deal found 9/15$348
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/138:20 amACV - ONT
1 stop4h 17mUnited Airlines
Tue 11/181:40 pmONT - ACV
1 stop4h 12mUnited Airlines
Deal found 9/13$355
This United Airlines deal was found by Cheapflights users on 9/13. 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 12/74:10 pmACV - ONT
1 stop6h 39mUnited Airlines
Fri 12/126:41 pmONT - ACV
1 stop16h 14mUnited Airlines
Deal found 9/13$379
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/296:45 pmACV - ONT
1 stop4h 07mUnited Airlines
Fri 10/31:53 pmONT - ACV
1 stop20h 59mUnited Airlines
Deal found 9/14$388
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/112:15 pmACV - ONT
1 stop3h 34mUnited Airlines
Mon 10/136:27 pmONT - ACV
1 stop19h 02mUnited Airlines
Deal found 9/14$405
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/73:50 pmACV - ONT
2 stops28h 54mUnited Airlines
Tue 11/116:00 amONT - ACV
1 stop4h 55mUnited Airlines
Deal found 9/13$414

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 September 15, 2025.
Use the filters below to find and compare flights from Arcata to Ontario that are best for you.

Fly from

Arcata

Fly to

Ontario

Route

Depart

Return

Price

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 10/25

6:45 pm-10:52 pm

1 stop4h 07m

Ontario

Fri 10/31

6:00 am-10:55 am

1 stop4h 55m

$314

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sun 11/9

6:45 pm-10:51 pm

1 stop4h 06m

Ontario

Sun 11/16

6:00 am-10:55 am

1 stop4h 55m

$314

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 11/14

3:50 pm-5:34 pm

1 stop25h 44m

Ontario

Tue 11/18

6:00 am-10:55 am

1 stop4h 55m

$348

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Thu 11/13

8:20 am-12:37 pm

1 stop4h 17m

Ontario

Tue 11/18

1:40 pm-5:52 pm

1 stop4h 12m

$355

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sun 12/7

4:10 pm-10:49 pm

1 stop6h 39m

Ontario

Fri 12/12

6:41 pm-10:55 am

1 stop16h 14m

$379

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Mon 9/29

6:45 pm-10:52 pm

1 stop4h 07m

Ontario

Fri 10/3

1:53 pm-10:52 am

1 stop20h 59m

$388

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 10/17

4:00 pm-5:40 pm

1 stop25h 40m

Ontario

Mon 10/20

6:36 pm-10:15 pm

1 stop3h 39m

$393

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 10/11

2:15 pm-5:49 pm

1 stop3h 34m

Ontario

Mon 10/13

6:27 pm-1:29 pm

1 stop19h 02m

$405

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Thu 10/23

6:45 pm-10:52 pm

1 stop4h 07m

Ontario

Sun 10/26

6:00 am-10:55 am

1 stop4h 55m

$410

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 11/7

3:50 pm-8:44 pm

2 stops28h 54m

Ontario

Tue 11/11

6:00 am-10:55 am

1 stop4h 55m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 18 results
1
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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, August is the cheapest month in which you can book a flight from Arcata to Ontario (average of $246). Flying from Arcata to Ontario in March is currently the most expensive (average of $328). 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 September 15, 2025.
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
8,929 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

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
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

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 4h 07m. 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 ($283), offers the cheapest pricing from Arcata to Ontario.

  • 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, August is the cheapest month in which you can book a flight from Arcata to Ontario (average of $246). Flying from Arcata to Ontario in March is currently the most expensive (average of $328). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$283Average$568FlexibilityNo cancel feeOn-time69%

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