In terms of precipitation, rainfall in Eureka ranges from 0.3 - 8.4 inches per month. December is typically the wettest month, when rainfall can reach 8.4 in. July is typically the driest time to visit Eureka when rainfall is around 0.3 in.

If weather is an important factor for your trip to Eureka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 57.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

How far in advance should I book a flight from Orange County to Eureka?

To save up to 61% on this flight, we recommend booking at least 22 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Orange County to Eureka from $272 1-2 weeks out and tickets from $464 for flights departing within the next 72 hours.

What is the cheapest month to fly from Orange County to Eureka?

Flights from Orange County to Eureka lean towards being more expensive in June. Prices are generally better when you fly from Orange County to Eureka in January, with the cheapest ticket starting at $199.

Can I find deals for flights from Orange County to Eureka that include hotel bookings?

Yes. In addition to deals on Orange County to Eureka flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Orange County to Eureka?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Eureka.

Can I find deals for business class flights from Orange County to Eureka?

Yes. Cheapflights offers flight deals from Orange County to Eureka by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$274+ Flights from Orange County to Eureka

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Cheap flight deals from Orange County to Eureka

Round-trip from	$314 (United Airlines)
One-way from	$274 (United Airlines)
Popular in	June
Cheapest in	January
Average price	$354

From Orange County to Eureka

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One-way flight from Orange County to Eureka

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Orange County to Eureka

Cheapest flights from Orange County to Eureka
Explore the most affordable flight options available from Orange County to Eureka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sat 8/234:00 pmSNA - ACV

1 stop6h 23mUnited Airlines

Tue 8/264:10 pmACV - SNA

1 stop4h 18mUnited Airlines

Deal found 6/30

$314

Best flights from Orange County to Eureka
Discover carefully curated flight deals from Orange County to Eureka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 8/234:00 pmSNA - ACV

1 stop6h 23mUnited Airlines

Tue 8/264:10 pmACV - SNA

1 stop4h 18mUnited Airlines

Deal found 6/30

$314

Last-minute flights from Orange County to Eureka
Discover last-minute flight deals from Orange County to Eureka. Data last updated July 3, 2025 and is based on user searches.

Tue 7/86:13 pmSNA - ACV

1 stop4h 02mUnited Airlines

Mon 7/215:15 amACV - SNA

1 stop5h 55mUnited Airlines

Deal found 7/2

$364

Sat 8/234:00 pmSNA - ACV

1 stop6h 23mUnited Airlines

Tue 8/264:10 pmACV - SNA

1 stop4h 18mUnited Airlines

Deal found 6/30

$314

One-way flights from Orange County to Eureka
Search for one-way flight options from Orange County to Eureka. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Wed 7/309:38 amSNA - ACV

1 stop4h 58mUnited Airlines

Deal found 7/2

$274

Cheapflights Fare Finder

Use the filters below to find and compare flights from Orange County to Eureka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa AnaArcata

SNA - ACV

SNAACV

Santa Ana J. Wayne/Orange Cnty

Sat 8/23

4:00 pm-10:23 pm

1 stop6h 23m

Arcata Eureka

Tue 8/26

4:10 pm-8:28 pm

1 stop4h 18m

$314

Santa AnaArcata

SNA - ACV

SNAACV

Santa Ana J. Wayne/Orange Cnty

Wed 7/30

9:38 am-2:36 pm

1 stop4h 58m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Orange County to Eureka

Have a flexible travel schedule? Discover the best time to fly to Eureka from Orange County 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 Orange County to Eureka

What is the cheapest month to book a flight from Orange County to Eureka?

Currently, February is the cheapest month in which you can book a flight from Orange County to Eureka (average of $340). Flying from Orange County to Eureka in June is currently the most expensive (average of $503). 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.

What is the cheapest time of day to fly from KFI to EU9?

When flying from Orange County to Eureka, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Eureka

Get a feel of what it's like to fly with United Airlines from Orange County to Eureka by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,861 reviews

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

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

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

Can I find deals for flights from Orange County to Eureka that include hotel bookings?
Yes. In addition to deals on Orange County to Eureka flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Orange County to Eureka?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Orange County to Eureka.
Can I find deals for business class flights from Orange County to Eureka?
Yes. Cheapflights offers flight deals from Orange County to Eureka 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 Orange County to Eureka?
Currently, February is the cheapest month in which you can book a flight from Orange County to Eureka (average of $340). Flying from Orange County to Eureka in June is currently the most expensive (average of $503). 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

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Complete your trip

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Top airline flying from Orange County to Eureka

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$238	Average$399	FlexibilityNo cancel fee	On-time69%

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$274+ Cheap flights from Orange County to Eureka, CA

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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Orange County to Eureka with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Orange County to Eureka

Keep the following information in mind while searching for Orange County to Eureka flight deals. Data was last updated July 3, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Orange County to Eureka

Cheapest flights from Orange County to EurekaExplore the most affordable flight options available from Orange County to Eureka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Orange County to Eureka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Orange County to Eureka that are best for you.

Best time to book a flight from Orange County to Eureka

Have a flexible travel schedule? Discover the best time to fly to Eureka from Orange County with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Orange County to Eureka

What is the cheapest month to book a flight from Orange County to Eureka?

What is the cheapest time of day to fly from KFI to EU9?

Find hourly flight availability from Orange County to Eureka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Reviews of airlines servicing Eureka

Get insights into the airlines that provide service to Eureka. 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 Eureka. Reviews last updated July 3, 2025.

Get a feel of what it's like to fly with United Airlines from Orange County to Eureka by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Orange County to Eureka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Orange County to Eureka that include hotel bookings?

How can I find direct flights from Orange County to Eureka?

Can I find deals for business class flights from Orange County to Eureka?

What is the cheapest month to book a flight from Orange County to Eureka?

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 Orange County to Eureka

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Orange County to Eureka

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Orange County to Eureka
Explore the most affordable flight options available from Orange County to Eureka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.