$343 Cheap United flights Chicago (ORD) to Eureka (ACV)

View $343 flight on Thu, Dec 18, 2025Opens in a new window

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$343 Cheap United flights Chicago (ORD) to Eureka (ACV)

Prices were available within the past 7 days and start at $343 for one-way flights and $284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 27 - Sat, Oct 4
ORD
Chicago
ACV
Eureka
$284 Roundtrip, found 23 hours ago
$284
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Sep 27 from Chicago to Eureka, returning Sat, Oct 4, priced at $284 found 23 hours ago
United
Wed, Sep 24 - Tue, Sep 30
ORD
Chicago
ACV
Eureka
$298 Roundtrip, found 2 hours ago
$298
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 24 from Chicago to Eureka, returning Tue, Sep 30, priced at $298 found 2 hours ago
United
Sat, Aug 23 - Sat, Aug 30
ORD
Chicago
ACV
Eureka
$299 Roundtrip, found 3 days ago
$299
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 23 from Chicago to Eureka, returning Sat, Aug 30, priced at $299 found 3 days ago
United
Tue, Sep 23 - Mon, Sep 29
ORD
Chicago
ACV
Eureka
$302 Roundtrip, found 2 hours ago
$302
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Sep 23 from Chicago to Eureka, returning Mon, Sep 29, priced at $302 found 2 hours ago
United
Tue, Sep 23 - Mon, Sep 29
ORD
Chicago
ACV
Eureka
$305 Roundtrip, found 2 hours ago
$305
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Sep 23 from Chicago to Eureka, returning Mon, Sep 29, priced at $305 found 2 hours ago
United
Sat, Sep 27 - Sat, Oct 4
ORD
Chicago
ACV
Eureka
$307 Roundtrip, found 23 hours ago
$307
Roundtrip
found 23 hours ago
Select United flight, departing Sat, Sep 27 from Chicago to Eureka, returning Sat, Oct 4, priced at $307 found 23 hours ago
Flights from Chicago (ORD) to Eureka (ACV)
Origin airport
O'Hare Intl.
Destination airport
Arcata - Eureka
Airlines serving
United
Popular airline
United
Distance
1861 mi

Frequently asked questions

How much is a United Airlines flight from O'Hare Intl. Airport (ORD) to Arcata - Eureka Airport (ACV)?
Landing cheap one-way United Airlines flights from ORD to ACV from $343 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our affordable return fares from $284 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ORD to ACV with United Airlines?
Search for round-trip or one-way flights to Eureka in January or February. You could find lower fares with United Airlines during these off-peak times.
What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to Arcata - Eureka Airport (ACV) with United Airlines?
Search for cheap United Airlines flights from O'Hare Intl. Airport (ORD) to Arcata - Eureka Airport (ACV) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from O'Hare Intl. Airport (ORD) to Arcata - Eureka Airport (ACV)?
Enter your dates, press search and select the "Nonstop" filter on Expedia to browse any direct flights from ORD to ACV with United Airlines or another carrier.
What is the earliest United Airlines flight from ORD to ACV?
Search United Airlines's earliest flights from ORD to ACV by using the "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Eureka?
United Airlines flights from O'Hare Intl. Airport (ORD) to Eureka land at Arcata - Eureka Airport (ACV). This is the main gateway to this city.
Why fly with United Airlines from ORD to ACV?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to fly from ORD to ACV with United Airlines. Plus, when you sign up to Expedia's free One Key™ program, you can receive OneKeyCash™* alongside any airline loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from O'Hare Intl. Airport (ORD) to Arcata - Eureka Airport (ACV)?
You can usually cancel or change your flight, although there may be a charge if you made your booking more than 24 hours ago. Want to keep your options open? Use Expedia's "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you need to adjust your plans. To modify your itinerary, go to "Trips," select your flight and click on "Manage Booking" for further information.
*Available to One Key members.