£214 Cheap Flights from Chicago (ORD) to Eureka (ACV)

View £214 flight on Fri, 29 May 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Eureka, CA (ACV-Arcata - Eureka)

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Cheap Flights from Chicago (ORD) to Eureka (ACV)

Prices were available within the past 7 days and start at £214 for one-way flights and £344 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 23 May - Sun, 31 May
ORD
Chicago
ACV
Eureka
£344 Return, found 6 days ago
£344
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 23 May from Chicago to Eureka, returning Sun, 31 May, priced at £344 found 6 days ago

Frequently asked questions

How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka)?
To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka)?
There are approximately 48 connecting flights per day from Chicago O'Hare International Airport (ORD) to Arcata - Eureka (ACV). Some common connection points include Hartsfield-Jackson Atlanta International Airport (ATL), Seattle - Tacoma International Airport (SEA), and San Francisco International Airport (SFO).
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka)?
The earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka) typically departs at approximately 1:55 AM local time, operated by Alaska Airlines. This is a seasonal service active in July. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka)?
You'll typically find the most flights from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Eureka, CA (ACV-Arcata - Eureka) (ACV) on a Thursday, with around 30 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Delta Air Lines, and Alaska Airlines. Thursday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka)?
The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka) are in the early morning, between 6am and 9am. This accounts for around 50% of total traffic. United Airlines, Alaska Airlines and Delta Air Lines all offer flights during this window. Many travelers prefer these early flights as they allow you to arrive at your destination with plenty of time to start your day.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka)?
Flights from ORD to ACV with one stop typically take around 8 hours 20 minutes, covering approximately 1,862 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka)?
Select the "Business class" and "First class" filters when looking for ORD to ACV flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Eureka from O'Hare Intl. (ORD)?
If you're planning to travel to Eureka from O'Hare Intl. (ORD), you can fly directly into Arcata - Eureka (ACV) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), San Diego Intl. (SAN), Minneapolis - St. Paul Intl. (MSP) before reaching Eureka. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka)?
If you booked your Chicago, IL (ORD-O'Hare Intl.) to Eureka, CA (ACV-Arcata - Eureka) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Arcata - Eureka
Return price
£343
Distance
2978 km

Book with confidence

Compare flights from Chicago to Eureka easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Eureka. Operating between them flights per day, 2 airlines cover the route. And fly direct, getting you to Arcata - Eureka in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Arcata - Eureka.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from O'Hare Intl. (ORD) to Arcata - Eureka (ACV)

The easiest way to view the best deals on flights from Chicago to Eureka today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Arcata - Eureka start at just £344 and range up to £344.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chicago and Eureka
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chicago to Eureka flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Arcata - Eureka for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Chicago to Eureka easily and book with confidence

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