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$305+ Cheap flights from Arcata (ACV) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ACV — ORD
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Arcata to Illinois

Keep the following information in mind while searching for Arcata to Illinois flight deals. Data was last updated January 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$400
(United Airlines)
Provider with most accurate pricing for Arcata Eureka-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Arcata Eureka-Chicago (CHI) flights.
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From Arcata Eureka to Illinois
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Find flight deals from Arcata to Illinois

Cheapest flights from Arcata to Illinois
Explore the most affordable flight options available from Arcata to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:00 pm
ACV
-
ORD
1 stop6h 58m
United Airlines
Sat 8/296:02 am
ORD
-
ACV
1 stop8h 02m
United Airlines
Deal found 1/13$305
This Alaska Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:55 pm
ACV
-
ORD
1 stop8h 04m
Alaska Airlines
Sat 8/296:00 am
ORD
-
ACV
1 stop9h 14m
Alaska Airlines
Deal found 1/12$484
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:15 am
ACV
-
ORD
1 stop7h 42m
United Airlines
Thu 3/57:00 am
ORD
-
ACV
1 stop8h 33m
United Airlines
Deal found 1/14$611
This United Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/187:15 am
ACV
-
ORD
2 stops11h 10m
United Airlines
Tue 1/207:10 am
ORD
-
ACV
2 stops10h 03m
United Airlines
Deal found 1/15$2,334

Cheapflights Fare Finder

 
Customize your flight search to find flights from Arcata to Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Arcata to Illinois that are best for you.

Fly from

Arcata

Fly to

Illinois

Route

Depart

Return

Price

ArcataChicago

ACV - ORD

ACVORD

Arcata Eureka

Tue 3/3

7:15 am-4:57 pm

1 stop7h 42m

Chicago O'Hare Intl

Thu 3/5

7:00 am-1:33 pm

1 stop8h 33m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Best time to book a flight from Arcata to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Arcata 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 Arcata to Illinois

What is the cheapest month to book a flight from Arcata to Illinois?

Currently, November is the cheapest month in which you can book a flight from Arcata to Illinois (average of $274). Flying from Arcata to Illinois in October is currently the most expensive (average of $674). 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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated January 15, 2026.
Read through reviews of airlines operating flights from Arcata to Illinois, such as United Airlines. 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
9,163 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
9,163 reviews
United Airlines
7.4
Good
9,163 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

  • What airport do you fly from for flights from Arcata to Illinois?

    If you book a flight to Illinois from Arcata, you will be flying from Eureka, which is the city’s only airport. Arcata Eureka (ACV) is located 7.4 mi from the center of Arcata.

  • How long is the flight from Arcata to Illinois?

    Airlines like United Airlines fly from Arcata to Illinois in about 7h 42m. The time it takes to get you to your destination can typically vary by up to . There are 1860 mi between Arcata and Illinois.

  • Can I find deals for flights from Arcata to Illinois that include hotel bookings?

    Yes. In addition to deals on Arcata to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Arcata to Illinois?

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

  • Can I find deals for business class flights from Arcata to Illinois?

    Yes. Cheapflights offers flight deals from Arcata to Illinois 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 Arcata to Illinois?

    Currently, November is the cheapest month in which you can book a flight from Arcata to Illinois (average of $274). Flying from Arcata to Illinois in October is currently the most expensive (average of $674). 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

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Top airline flying from Arcata to Illinois

Discover the top airline that operate flights from Arcata to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$283Average$612FlexibilityNo cancel feeOn-time69%

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