HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$233+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
ACV — ONT
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Arcata 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 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 May 7, 2026.

This United Airlines deal was found by Cheapflights users on 5/6. 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 8/132:05 pm
ACV
-
ONT
1 stop5h 59m
United Airlines
Sun 8/161:44 pm
ONT
-
ACV
1 stop6h 23m
United Airlines
Deal found 5/6$333
This United Airlines deal was found by Cheapflights users on 5/5. 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 6/56:44 pm
ACV
-
ONT
1 stop3h 53m
United Airlines
Thu 6/111:50 pm
ONT
-
ACV
1 stop4h 12m
United Airlines
Deal found 5/5$364
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:43 pm
ACV
-
ONT
1 stop20h 27m
Alaska Airlines
Mon 6/18:11 pm
ONT
-
ACV
1 stop17h 55m
Alaska Airlines
Deal found 5/6$378
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Wed 6/38:05 am
ACV
-
ONT
1 stop4h 07m
United Airlines
Sat 6/61:40 pm
ONT
-
ACV
1 stop4h 23m
United Airlines
Deal found 5/6$384
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/226:44 pm
ACV
-
ONT
1 stop3h 53m
United Airlines
Tue 5/261:50 pm
ONT
-
ACV
1 stop4h 12m
United Airlines
Deal found 5/6$414
This United Airlines deal was found by Cheapflights users on 5/3. 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 5/296:00 am
ACV
-
ONT
1 stop6h 12m
United Airlines
Tue 6/161:50 pm
ONT
-
ACV
1 stop4h 13m
United Airlines
Deal found 5/3$429
This United Airlines deal was found by Cheapflights users on 5/5. 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 10/16:27 pm
ACV
-
ONT
1 stop4h 32m
United Airlines
Tue 10/66:05 am
ONT
-
ACV
1 stop5h 33m
United Airlines
Deal found 5/5$444
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/22:43 pm
ACV
-
ONT
1 stop28h 04m
Alaska Airlines
Sat 6/139:20 pm
ONT
-
ACV
1 stop16h 53m
Alaska Airlines
Deal found 5/5$458
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Thu 5/146:49 pm
ACV
-
ONT
1 stop4h 10m
United Airlines
Sat 5/165:00 am
ONT
-
ACV
1 stop8h 25m
United Airlines
Deal found 5/4$474
This United Airlines deal was found by Cheapflights users on 5/5. 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
Sat 9/51:44 pm
ONT
-
ACV
1 stop6h 23m
United Airlines
Deal found 5/5$484
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sun 5/316:47 pm
ACV
-
ONT
1 stop3h 50m
United Airlines
Sun 6/71:50 pm
ONT
-
ACV
1 stop4h 12m
United Airlines
Deal found 5/3$495
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sat 5/238:05 am
ACV
-
ONT
1 stop4h 07m
United Airlines
Sun 5/241:50 pm
ONT
-
ACV
1 stop4h 12m
United Airlines
Deal found 5/3$496

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 May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$333
(United Airlines)

One-way from

$233
(Alaska Airlines)

Popular in

November

Cheapest in

June

Average price

$448
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 May 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 May 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

Wed 6/3

8:05 am-12:12 pm

1 stop4h 07m

Ontario

Sat 6/6

1:40 pm-6:03 pm

1 stop4h 23m

$384

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 5/30

8:05 am-12:12 pm

1 stop4h 07m

Ontario

Tue 6/2

1:50 pm-8:07 pm

1 stop6h 17m

$384

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 5/22

6:00 am-12:12 pm

1 stop6h 12m

Ontario

Sun 5/24

1:50 pm-6:02 pm

1 stop4h 12m

$414
Quickest round-trip

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 5/22

6:44 pm-10:37 pm

1 stop3h 53m

Ontario

Tue 5/26

1:50 pm-6:02 pm

1 stop4h 12m

$414

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Tue 6/2

2:43 pm-6:47 pm

1 stop28h 04m

Ontario

Sat 6/13

9:20 pm-2:13 pm

1 stop16h 53m

$458

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 8/29

6:00 am-12:12 pm

1 stop6h 12m

Ontario

Sat 9/5

1:44 pm-8:07 pm

1 stop6h 23m

$484

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 5/23

8:05 am-12:12 pm

1 stop4h 07m

Ontario

Sun 5/24

1:50 pm-6:02 pm

1 stop4h 12m

$496

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Wed 6/3

2:43 pm-11:58 pm

1 stop9h 15m

Ontario

Sat 6/6

5:57 pm-2:06 pm

2 stops20h 09m

$501
Cheapest one-way

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Wed 6/3

2:43 pm-6:47 pm

1 stop28h 04m

$233

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sun 6/7

2:43 pm-11:10 am

1 stop20h 27m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

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 May.
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.

How much does it cost to fly round-trip from Arcata 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 May 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
9,690 reviews

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

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
9,690 reviews
United Airlines
7.4
Good
9,690 reviews

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

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 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 ($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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Arcata to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Las Vegas flights
San Francisco to Las Vegas flights
Ontario to Las Vegas flights
San Francisco to Los Angeles flights
San Jose to Los Angeles flights
Santa Rosa to Los Angeles flights
Los Angeles to San Francisco flights
Ontario to San Francisco flights
San Francisco to Ontario flights
Santa Ana to Las Vegas flights
San Jose to Las Vegas flights
San Francisco to Santa Ana flights
Santa Ana to San Francisco flights
San Francisco to San Diego flights
Burbank to Las Vegas flights
Los Angeles to San Jose flights
San Diego to Las Vegas flights
Las Vegas to Los Angeles flights
Sacramento to Los Angeles flights
San Jose to Ontario flights
Reno to Las Vegas flights
Sacramento to Las Vegas flights
Los Angeles to Sacramento flights
San Diego to San Francisco flights
Oakland to Las Vegas flights
San Francisco to Palm Springs flights
San Francisco to Burbank flights
Burbank to San Francisco flights
Las Vegas to Reno flights
Las Vegas to Ontario flights
San Jose to San Diego flights
Long Beach to Las Vegas flights
Las Vegas to Santa Ana flights
Las Vegas to San Francisco flights
Oakland to San Diego flights
Sacramento to San Diego flights
Fresno to Las Vegas flights
Ontario to San Jose flights
Las Vegas to San Diego flights
Ontario to Sacramento flights
Burbank to San Jose flights
San Diego to San Jose flights
Santa Rosa to Las Vegas flights
Stockton to Las Vegas flights
Las Vegas to Burbank flights
Los Angeles to Reno flights
San Francisco to Long Beach flights
Sacramento to Ontario flights
Long Beach to San Francisco flights
San Diego to Sacramento flights

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.