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

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

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

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

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

As of December 2025, there is 1 operator available to choose from for flights from Arcata Eureka Airport to Ontario Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Arcata Eureka Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario 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 Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$264 Cheap Flights from Arcata to Ontario in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Arcata to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 pm - 8:58 pm

ACV

ONT

8h 28m1 stop

5:05 am - 1:26 pm

ONT

ACV

8h 21m1 stop

$334United Airlines

Sat, Jan 31 - Tue, Feb 3

12:30 pm - 8:58 pm

ACV

ONT

8h 28m1 stop

5:05 am - 1:26 pm

ONT

ACV

8h 21m1 stop

$335United Airlines

Thu, Jan 22 - Sun, Jan 25

4:10 pm - 10:33 pm

ACV

ONT

6h 23m1 stop

6:39 pm - 10:28 pm

ONT

ACV

3h 49m1 stop

$374United Airlines

Wed, Dec 31 - Mon, Jan 5

12:30 pm - 8:58 pm

ACV

ONT

8h 28m1 stop

1:24 pm - 5:33 pm

ONT

ACV

28h 09m2 stops

$434United Airlines

Sat, Jan 31 - Tue, Feb 3

6:30 pm - 10:41 pm

ACV

ONT

4h 11m1 stop

6:39 pm - 10:28 pm

ONT

ACV

3h 49m1 stop

$440United Airlines

Fri, Dec 26 - Tue, Dec 30

3:40 pm - 8:58 pm

ACV

ONT

29h 18m2 stops

6:00 am - 10:52 am

ONT

ACV

4h 52m1 stop

$455United Airlines

Fri, Jan 9 - Fri, Jan 16

6:30 pm - 10:41 pm

ACV

ONT

4h 11m1 stop

5:05 am - 1:28 pm

ONT

ACV

8h 23m1 stop

$470United Airlines

Fri, Dec 26 - Sat, Dec 27

6:30 pm - 10:41 pm

ACV

ONT

4h 11m1 stop

10:42 am - 5:47 pm

ONT

ACV

7h 05m1 stop

$473United Airlines

Mon, Dec 29 - Fri, Jan 2

7:18 am - 12:47 pm

ACV

ONT

5h 29m1 stop

1:53 pm - 10:45 pm

ONT

ACV

8h 52m1 stop

$482United Airlines

Sat, Feb 14 - Sat, Feb 21

6:30 pm - 10:41 pm

ACV

ONT

4h 11m1 stop

6:00 am - 10:51 am

ONT

ACV

4h 51m1 stop

$485United Airlines

Tue, Dec 30 - Sat, Jan 3

United Airlines flights from Arcata to Ontario

Our best United Airlines deals on Arcata to Ontario flight tickets

United Airlines

Jan 31

ACV12:30 pmArcata Eureka

8h 28m

1 stop

ONT8:58 pmOntario

Feb 3

ONT5:05 amOntario

8h 21m

1 stop

ACV1:26 pmArcata Eureka

$334

Find similar

United Airlines

Jan 22

ACV12:30 pmArcata Eureka

8h 28m

1 stop

ONT8:58 pmOntario

Jan 25

ONT5:05 amOntario

8h 21m

1 stop

ACV1:26 pmArcata Eureka

$335

Find similar

United Airlines

Dec 18

ACV6:30 pmArcata Eureka

4h 11m

1 stop

ONT10:41 pmOntario

Jan 17

ONT6:00 amOntario

4h 52m

1 stop

ACV10:52 amArcata Eureka

$342

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 1/31

12:30 pm-8:58 pm

1 stop8h 28m

Ontario

Tue 2/3

5:05 am-1:26 pm

1 stop8h 21m

$334

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Thu 1/22

12:30 pm-8:58 pm

1 stop8h 28m

Ontario

Sun 1/25

5:05 am-1:26 pm

1 stop8h 21m

$335

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Wed 12/31

4:10 pm-10:33 pm

1 stop6h 23m

Ontario

Mon 1/5

6:39 pm-10:28 pm

1 stop3h 49m

$374

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 1/31

12:30 pm-8:58 pm

1 stop8h 28m

Ontario

Tue 2/3

1:24 pm-5:33 pm

2 stops28h 09m

$434

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 12/26

6:30 pm-10:41 pm

1 stop4h 11m

Ontario

Tue 12/30

6:39 pm-10:28 pm

1 stop3h 49m

$440

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 1/9

3:40 pm-8:58 pm

2 stops29h 18m

Ontario

Fri 1/16

6:00 am-10:52 am

1 stop4h 52m

$455

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Fri 12/26

6:30 pm-10:41 pm

1 stop4h 11m

Ontario

Sat 12/27

5:05 am-1:28 pm

1 stop8h 23m

$470

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Mon 12/29

6:30 pm-10:41 pm

1 stop4h 11m

Ontario

Fri 1/2

10:42 am-5:47 pm

1 stop7h 05m

$473

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Sat 2/14

7:18 am-12:47 pm

1 stop5h 29m

Ontario

Sat 2/21

1:53 pm-10:45 pm

1 stop8h 52m

$482

ArcataOntario

ACV - ONT

ACVONT

Arcata Eureka

Tue 12/30

6:30 pm-10:41 pm

1 stop4h 11m

Ontario

Sat 1/3

6:00 am-10:51 am

1 stop4h 51m

$485

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 Arcata to Ontario

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 day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $514. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Arcata to Ontario for around $613.

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

In the afternoon is the cheapest time of day to fly from Arcata to Ontario when you can find flight prices for as low as $485. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $568 on average. Flights to Ontario from Arcata at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Arcata to Ontario

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

Estimated round-trip price

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

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

Fastest flight time	3h 34m
Direct flights	None

The fastest flight from Arcata to Ontario takes 3h 34m

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

Search flight deals

How far is Arcata Eureka to Ontario by plane?
The straight-line distance from Arcata Eureka to Ontario is 586.9 mi. Typically, this will take 3h 34m by plane in normal conditions.
When did momondo last update prices for flights from Arcata Eureka Airport to Ontario Airport?
Prices for flights from Arcata Eureka Airport to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Arcata Eureka Airport to Ontario Airport?
As of December 2025, there is 1 operator available to choose from for flights from Arcata Eureka Airport to Ontario Airport.
How old do you have to be to fly from Arcata Eureka Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Arcata Eureka Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario 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 Ontario 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 Arcata to Ontario?
momondo data reveals that the most frequently booked airline on the route from Arcata to Ontario is United Airlines, representing 100% of all bookings.

Best airlines flying from Arcata to Ontario

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $281	Free Cancellation	Rating 7.4 9,095 reviews		Search United Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from Arcata is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Arcata to Ontario flights to just show those with flexible booking policies.

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

Once you have performed a search for Arcata to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Arcata and alert you when they change.