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Cheap flights from Ontario to Arcata from $135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Arcata departing on 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Arcata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:40 pm - 11:39 amONT  Ontario-ACV Arcata Eureka
19h 59m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
12:19 pm - 8:03 amACV  Arcata Eureka-ONT Ontario
19h 44m1 stop Las Vegas Harry Reid Intl
$243Multiple Airlines
Tue, Sep 1 - Sat, Sep 5
Multiple Airlines Logo
3:40 pm - 11:39 amONT  Ontario-ACV Arcata Eureka
19h 59m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
12:19 pm - 8:03 amACV  Arcata Eureka-ONT Ontario
19h 44m1 stop Las Vegas Harry Reid Intl
$244Multiple Airlines
Tue, Sep 1 - Sat, Sep 5
Multiple Airlines Logo
3:40 pm - 11:39 amONT  Ontario-ACV Arcata Eureka
19h 59m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
12:19 pm - 10:29 amACV  Arcata Eureka-ONT Ontario
22h 10m2 stops Las Vegas Harry Reid Intl San Francisco
$245Multiple Airlines
Tue, Sep 1 - Sat, Sep 5
Multiple Airlines Logo
3:40 pm - 11:39 amONT  Ontario-ACV Arcata Eureka
19h 59m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
12:19 pm - 10:04 amACV  Arcata Eureka-ONT Ontario
21h 45m2 stops Las Vegas Harry Reid Intl Denver Intl
$253Multiple Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
1:52 pm - 8:10 pmONT  Ontario-ACV Arcata Eureka
6h 18m1 stop San Francisco
United Airlines Logo
6:05 am - 12:29 pmACV  Arcata Eureka-ONT Ontario
6h 24m1 stop San Francisco
$314United Airlines
Fri, Oct 23 - Mon, Oct 26
United Airlines Logo
1:56 pm - 5:50 pmONT  Ontario-ACV Arcata Eureka
3h 54m1 stop San Francisco
United Airlines Logo
7:09 am - 12:12 pmACV  Arcata Eureka-ONT Ontario
5h 03m1 stop San Francisco
$344United Airlines
Sat, Aug 22 - Fri, Aug 28
United Airlines Logo
8:00 am - 11:36 amONT  Ontario-ACV Arcata Eureka
3h 36m1 stop San Francisco
United Airlines Logo
2:08 pm - 6:11 pmACV  Arcata Eureka-ONT Ontario
4h 03m1 stop San Francisco
$344United Airlines
Sat, Aug 22 - Mon, Aug 24
United Airlines Logo
6:08 am - 11:36 amONT  Ontario-ACV Arcata Eureka
5h 28m1 stop San Francisco
United Airlines Logo
8:00 am - 12:12 pmACV  Arcata Eureka-ONT Ontario
4h 12m1 stop San Francisco
$374United Airlines
Thu, Aug 20 - Sun, Aug 23
United Airlines Logo
5:00 am - 1:27 pmONT  Ontario-ACV Arcata Eureka
8h 27m1 stop Denver Intl
United Airlines Logo
8:00 am - 12:12 pmACV  Arcata Eureka-ONT Ontario
4h 12m1 stop San Francisco
$394United Airlines
Sun, Aug 30 - Sun, Sep 6
United Airlines Logo
6:08 am - 11:36 amONT  Ontario-ACV Arcata Eureka
5h 28m1 stop San Francisco
United Airlines Logo
6:00 am - 12:12 pmACV  Arcata Eureka-ONT Ontario
6h 12m1 stop San Francisco
$394United Airlines
Mon, Sep 7 - Mon, Sep 14

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United Airlines flights from Ontario to Arcata

Our best United Airlines deals on Ontario to Arcata flight tickets
United Airlines
Oct 23
ONT1:52 pmOntario
6h 18m
1 stop
ACV8:10 pmArcata Eureka
Oct 26
ACV6:05 amArcata Eureka
6h 24m
1 stop
ONT12:29 pmOntario
$314
United Airlines
Aug 22
ONT8:00 amOntario
3h 36m
1 stop
ACV11:36 amArcata Eureka
Aug 24
ACV2:08 pmArcata Eureka
4h 03m
1 stop
ONT6:11 pmOntario
$344
United Airlines
Aug 17
ONT1:56 pmOntario
6h 11m
1 stop
ACV8:07 pmArcata Eureka
Sep 18
ACV2:08 pmArcata Eureka
4h 03m
1 stop
ONT6:11 pmOntario
$359

Alaska Airlines flights from Ontario to Arcata

Our best Alaska Airlines deals on Ontario to Arcata flight tickets
Alaska Airlines
Nov 6
ONT5:12 pmOntario
21h 33m
2 stops
ACV2:45 pmArcata Eureka
Dec 2
ACV1:55 pmArcata Eureka
8h 44m
1 stop
ONT10:39 pmOntario
$494
Alaska Airlines
Nov 6
ONT5:12 pmOntario
21h 33m
2 stops
ACV2:45 pmArcata Eureka
Dec 2
ACV1:55 pmArcata Eureka
27h 47m
2 stops
ONT5:42 pmOntario
$495
Alaska Airlines
Sep 12
ONT6:02 amOntario
8h 40m
1 stop
ACV2:42 pmArcata Eureka
Sep 15
ACV3:19 pmArcata Eureka
19h 57m
1 stop
ONT11:16 amOntario
$498

momondo 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, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Ontario to Arcata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Tue 9/1

3:40 pm-11:39 am

1 stop19h 59m

Arcata Eureka

Sat 9/5

12:19 pm-8:03 am

1 stop19h 44m

$243

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Tue 9/1

3:40 pm-11:39 am

1 stop19h 59m

Arcata Eureka

Sat 9/5

12:19 pm-8:03 am

1 stop19h 44m

$244

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Tue 9/1

3:40 pm-11:39 am

1 stop19h 59m

Arcata Eureka

Sat 9/5

12:19 pm-10:29 am

2 stops22h 10m

$245

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Tue 9/1

3:40 pm-11:39 am

1 stop19h 59m

Arcata Eureka

Sat 9/5

12:19 pm-10:04 am

2 stops21h 45m

$253

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Fri 10/23

1:52 pm-8:10 pm

1 stop6h 18m

Arcata Eureka

Mon 10/26

6:05 am-12:29 pm

1 stop6h 24m

$314

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Sat 8/22

1:56 pm-5:50 pm

1 stop3h 54m

Arcata Eureka

Fri 8/28

7:09 am-12:12 pm

1 stop5h 03m

$344
Quickest round-trip

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Sat 8/22

8:00 am-11:36 am

1 stop3h 36m

Arcata Eureka

Mon 8/24

2:08 pm-6:11 pm

1 stop4h 03m

$344

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Thu 8/20

6:08 am-11:36 am

1 stop5h 28m

Arcata Eureka

Sun 8/23

8:00 am-12:12 pm

1 stop4h 12m

$374

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Sun 8/30

5:00 am-1:27 pm

1 stop8h 27m

Arcata Eureka

Sun 9/6

8:00 am-12:12 pm

1 stop4h 12m

$394

OntarioArcata

ONT Ontario - ACV Arcata Eureka

ONTACV

Ontario

Mon 9/7

6:08 am-11:36 am

1 stop5h 28m

Arcata Eureka

Mon 9/14

6:00 am-12:12 pm

1 stop6h 12m

$394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Arcata from

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

What is the cheapest month to fly to Arcata?

The month of August is another great option to travel to Arcata, with average flight prices from Ontario averaging around $0.

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

The cheapest day to depart from Ontario to Arcata is on a Saturday. Travelers who choose to depart for Arcata on a Saturday will often find tickets for as low as $344. 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 $512.

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 $351. 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 morning when prices are around $422.

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 36m

Direct flights

None
The fastest flight from Ontario to Arcata takes 3h 36m
There are no direct flights from Ontario to Arcata. There are no popular flight routes from Ontario to Arcata.
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Frequently asked questions about flying from Ontario to Arcata

  • 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 36m.

  • 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?

  • 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?

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 AirlinesPriceFrom $314Free CancellationRating
7.4
10,099 reviews
Search United Airlines flights

Traveling to a place near Arcata?

Book flights to Arcata if you plan to visit one of these locations
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.

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