What is the cheapest airline that flies from Ontario to Arcata Eureka?

United Airlines is the most popular carrier operating from Ontario to Arcata Eureka

When did momondo last update prices for flights from Ontario Airport to Arcata Eureka Airport?

Prices for flights from Ontario Airport to Arcata Eureka Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Arcata Eureka Airport?

The number of operators available for flights from Ontario Airport to Arcata Eureka Airport is 1 as of December 2025.

How old do you have to be to fly from Ontario Airport to Arcata Eureka Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Arcata Eureka Airport.

What documentation or ID do you need to fly to Arcata Eureka Airport?

The required travel and health documents for your Arcata Eureka Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Arcata Eureka Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$245 Cheap Flights from Ontario to Arcata in 2025/26

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Find the cheapest flights from Ontario to Arcata

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Cheap round-trip flights

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6:32 pm - 10:29 pm

ONT

ACV

3h 57m1 stop

2:09 pm - 5:43 pm

ACV

ONT

3h 34m1 stop

$264United Airlines

Sat, Jan 24 - Tue, Jan 27

6:39 pm - 10:28 pm

ONT

ACV

3h 49m1 stop

6:41 pm - 10:41 pm

ACV

ONT

4h 00m1 stop

$274United Airlines

Tue, Dec 30 - Sat, Jan 3

5:05 am - 1:26 pm

ONT

ACV

8h 21m1 stop

12:30 pm - 8:58 pm

ACV

ONT

8h 28m1 stop

$334United Airlines

Wed, Jan 7 - Sat, Jan 10

6:39 pm - 10:28 pm

ONT

ACV

3h 49m1 stop

12:30 pm - 8:58 pm

ACV

ONT

8h 28m1 stop

$335United Airlines

Thu, Jan 8 - Sun, Jan 11

1:53 pm - 2:47 pm

ONT

ACV

24h 54m1 stop

6:00 am - 11:18 am

ACV

ONT

5h 18m1 stop

$416United Airlines

Thu, Jan 22 - Mon, Jan 26

6:00 am - 11:24 am

ONT

ACV

5h 24m1 stop

3:40 pm - 10:53 pm

ACV

ONT

7h 13m1 stop

$419United Airlines

Mon, Jan 12 - Tue, Jan 20

6:10 am - 12:19 pm

ONT

ACV

6h 09m1 stop

2:13 pm - 12:47 pm

ACV

ONT

22h 34m1 stop

$431United Airlines

Tue, Feb 24 - Fri, Feb 27

6:00 am - 10:51 am

ONT

ACV

4h 51m1 stop

4:10 pm - 10:41 pm

ACV

ONT

6h 31m1 stop

$432United Airlines

Wed, Dec 31 - Sun, Jan 4

1:24 pm - 2:46 pm

ONT

ACV

25h 22m2 stops

7:15 am - 12:17 pm

ACV

ONT

5h 02m1 stop

$434United Airlines

Wed, Jan 7 - Sat, Jan 10

6:00 am - 10:52 am

ONT

ACV

4h 52m1 stop

3:40 pm - 10:53 pm

ACV

ONT

7h 13m1 stop

$449United Airlines

Thu, Jan 8 - Sun, Jan 11

United Airlines flights from Ontario to Arcata

Our best United Airlines deals on Ontario to Arcata flight tickets

United Airlines

Jan 24

ONT6:32 pmOntario

3h 57m

1 stop

ACV10:29 pmArcata Eureka

Jan 27

ACV2:09 pmArcata Eureka

3h 34m

1 stop

ONT5:43 pmOntario

$264

Find similar

United Airlines

Dec 23

ONT6:39 pmOntario

3h 49m

1 stop

ACV10:28 pmArcata Eureka

Dec 30

ACV6:30 pmArcata Eureka

4h 11m

1 stop

ONT10:41 pmOntario

$327

Find similar

United Airlines

Jan 23

ONT5:05 amOntario

8h 21m

1 stop

ACV1:26 pmArcata Eureka

Jan 25

ACV7:15 amArcata Eureka

4h 03m

1 stop

ONT11:18 amOntario

$334

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioArcata

ONT - ACV

ONTACV

Ontario

Sat 1/24

6:32 pm-10:29 pm

1 stop3h 57m

Arcata Eureka

Tue 1/27

2:09 pm-5:43 pm

1 stop3h 34m

$264

OntarioArcata

ONT - ACV

ONTACV

Ontario

Tue 12/30

6:39 pm-10:28 pm

1 stop3h 49m

Arcata Eureka

Sat 1/3

6:41 pm-10:41 pm

1 stop4h 00m

$274

OntarioArcata

ONT - ACV

ONTACV

Ontario

Wed 1/7

5:05 am-1:26 pm

1 stop8h 21m

Arcata Eureka

Sat 1/10

12:30 pm-8:58 pm

1 stop8h 28m

$334

OntarioArcata

ONT - ACV

ONTACV

Ontario

Thu 1/8

6:39 pm-10:28 pm

1 stop3h 49m

Arcata Eureka

Sun 1/11

12:30 pm-8:58 pm

1 stop8h 28m

$335

OntarioArcata

ONT - ACV

ONTACV

Ontario

Thu 1/22

1:53 pm-2:47 pm

1 stop24h 54m

Arcata Eureka

Mon 1/26

6:00 am-11:18 am

1 stop5h 18m

$416

OntarioArcata

ONT - ACV

ONTACV

Ontario

Mon 1/12

6:00 am-11:24 am

1 stop5h 24m

Arcata Eureka

Tue 1/20

3:40 pm-10:53 pm

1 stop7h 13m

$419

OntarioArcata

ONT - ACV

ONTACV

Ontario

Tue 2/24

6:10 am-12:19 pm

1 stop6h 09m

Arcata Eureka

Fri 2/27

2:13 pm-12:47 pm

1 stop22h 34m

$431

OntarioArcata

ONT - ACV

ONTACV

Ontario

Wed 12/31

6:00 am-10:51 am

1 stop4h 51m

Arcata Eureka

Sun 1/4

4:10 pm-10:41 pm

1 stop6h 31m

$432

OntarioArcata

ONT - ACV

ONTACV

Ontario

Wed 1/7

1:24 pm-2:46 pm

2 stops25h 22m

Arcata Eureka

Sat 1/10

7:15 am-12:17 pm

1 stop5h 02m

$434

OntarioArcata

ONT - ACV

ONTACV

Ontario

Thu 1/8

6:00 am-10:52 am

1 stop4h 52m

Arcata Eureka

Sun 1/11

3:40 pm-10:53 pm

1 stop7h 13m

$449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Arcata

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Arcata?

The month of May is another great option to travel to Arcata, with average flight prices from Ontario averaging around $304.

What is the cheapest day to depart on your flight to Arcata?

The cheapest day to depart from Ontario to Arcata is on a Thursday. Travelers who choose to depart for Arcata on a Thursday will often find tickets for as low as $307. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Arcata for around $442.

What is the cheapest time of day to depart on your flight to Arcata?

At noon is the cheapest time of day to fly from Ontario to Arcata when you can find flight prices for as low as $337. Flying to Arcata at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Arcata is in the evening when prices are around $519.

When to book flights from Ontario to Arcata

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Arcata according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Arcata (ONT to ACV) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Arcata

Fastest flight time	3h 23m
Direct flights	None

The fastest flight from Ontario to Arcata takes 3h 23m

There are no direct flights from Ontario to Arcata. There are no popular flight routes from Ontario to Arcata.

Search flight deals

How far is Ontario to Arcata Eureka by plane?
Ontario and Arcata Eureka are 586.9 mi apart from one another. By plane, this route typically takes 3h 23m.
When did momondo last update prices for flights from Ontario Airport to Arcata Eureka Airport?
Prices for flights from Ontario Airport to Arcata Eureka Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Arcata Eureka Airport?
The number of operators available for flights from Ontario Airport to Arcata Eureka Airport is 1 as of December 2025.
How old do you have to be to fly from Ontario Airport to Arcata Eureka Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Arcata Eureka Airport.
What documentation or ID do you need to fly to Arcata Eureka Airport?
The required travel and health documents for your Arcata Eureka Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Arcata Eureka Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Arcata?
Based on momondo bookings for flights between Ontario and Arcata, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Ontario to Arcata

Compare and see reviews for airlines that fly from Ontario to Arcata with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $279	Free Cancellation	Rating 7.4 9,091 reviews		Search United Airlines flights

Eureka

Fortuna

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Arcata?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Arcata for you.

Can I find flights from Ontario to Arcata with flexible booking policies on momondo?

Flights from Ontario to Arcata with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Arcata?

Once all potential Ontario to Arcata flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Arcata right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Arcata now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Arcata and let you know when they change.