HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Eureka

$265+ Cheap flights from Colorado to Eureka, CA

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACV
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Eureka with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Colorado to Eureka

Cheapest flights from Colorado to Eureka
Explore the most affordable flight options available from Colorado to Eureka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 11/611:15 amDEN - ACV
Nonstop3h 15mUnited Airlines
Sun 11/93:50 pmACV - DEN
1 stop7h 40mUnited Airlines
Deal found 10/22$265
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Thu 11/66:00 amDEN - ACV
1 stop5h 55mUnited Airlines
Mon 11/103:50 pmACV - DEN
1 stop7h 40mUnited Airlines
Deal found 10/22$274
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/511:15 amDEN - ACV
Nonstop3h 15mUnited Airlines
Sun 11/912:30 pmACV - DEN
Nonstop2h 44mUnited Airlines
Deal found 10/20$335
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 11/711:15 amDEN - ACV
Nonstop3h 15mUnited Airlines
Mon 11/103:50 pmACV - DEN
1 stop7h 40mUnited Airlines
Deal found 10/22$345
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 11/711:15 amDEN - ACV
Nonstop3h 15mUnited Airlines
Sat 11/86:45 pmACV - DEN
2 stops13h 04mUnited Airlines
Deal found 10/22$449
This United Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 11/75:55 pmDEN - ACV
1 stop5h 19mUnited Airlines
Sun 11/96:45 pmACV - DEN
1 stop4h 45mUnited Airlines
Deal found 10/22$459

Cheap flight deals from Colorado to Eureka

Keep the following information in mind while searching for Colorado to Eureka flight deals. Data was last updated October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$265
(United Airlines)

Popular in

March

Cheapest in

November

Average price

$424
Provider with most accurate pricing for Denver Intl-Arcata Eureka flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Arcata Eureka flights.
Search Deals
From Colorado to Eureka
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Eureka 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 October 23, 2025.
Use the filters below to find and compare flights from Colorado to Eureka that are best for you.

Fly from

Colorado

Fly to

Eureka

Route

Depart

Return

Price

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 11/6

11:15 am-1:30 pm

Nonstop3h 15m

Arcata Eureka

Sun 11/9

3:50 pm-12:30 am

1 stop7h 40m

$265

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 11/6

11:15 am-1:30 pm

Nonstop3h 15m

Arcata Eureka

Mon 11/10

3:50 pm-12:30 am

1 stop7h 40m

$265

DenverArcata

DEN - ACV

DENACV

Denver Intl

Tue 3/24

6:00 am-10:50 am

1 stop5h 50m

Arcata Eureka

Sun 3/29

4:00 pm-12:24 am

1 stop7h 24m

$304

DenverArcata

DEN - ACV

DENACV

Denver Intl

Fri 11/7

11:15 am-1:30 pm

Nonstop3h 15m

Arcata Eureka

Sat 11/8

2:15 pm-8:03 pm

1 stop4h 48m

$345

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 11/6

6:00 am-10:55 am

1 stop5h 55m

Arcata Eureka

Sat 11/8

3:50 pm-10:20 pm

1 stop5h 30m

$354

DenverArcata

DEN - ACV

DENACV

Denver Intl

Fri 3/6

11:21 am-1:28 pm

Nonstop3h 07m

Arcata Eureka

Tue 3/10

7:30 am-2:36 pm

1 stop6h 06m

$355

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 11/6

11:15 am-1:30 pm

Nonstop3h 15m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Best time to book a flight from Colorado to Eureka

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

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

Currently, August is the cheapest month in which you can book a flight from Colorado to Eureka (average of $226). Flying from Colorado to Eureka in February is currently the most expensive (average of $304). 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 CO to EU9?

Find hourly flight availability from Colorado 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 October 23, 2025.

It’s typically best to fly out from Colorado to Eureka in the evening. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

Related info for your journey

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

  • How long is the flight from Colorado to Eureka?

    Departing from Colorado to Eureka will take you 3h 15m. The distance from Colorado to Eureka is about 1022 mi. Generally, flights for this route are nonstop.

  • What are the cheapest flights from Colorado to Eureka?

    While on average a flight from Colorado to Eureka is generally $464, our data shows the cheapest flight currently is $354. When looking at the most popular route, (Denver Intl - Arcata Eureka), you can expect to pay $255 for that flight.

  • Can I find deals for flights from Colorado to Eureka that include hotel bookings?

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

  • How can I find direct flights from Colorado to Eureka?

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

  • Can I find deals for business class flights from Colorado to Eureka?

    Yes. Cheapflights offers flight deals from Colorado 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 Colorado to Eureka?

    Currently, August is the cheapest month in which you can book a flight from Colorado to Eureka (average of $226). Flying from Colorado to Eureka in February is currently the most expensive (average of $304). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Eureka

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Seattle to Los Angeles flights
Los Angeles to San Francisco flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
San Francisco to Los Angeles flights
Seattle to Las Vegas flights
Newark to Los Angeles flights
San Francisco to Las Vegas flights
O'Hare Intl to Las Vegas flights
Newark to San Francisco flights
Dulles Intl to Las Vegas flights
Newark to Las Vegas flights
LaGuardia to Los Angeles flights
O'Hare Intl to Los Angeles flights
San Francisco to Santa Ana flights
Atlanta to Las Vegas flights
San Jose to Los Angeles flights
Ontario to San Francisco flights
San Francisco to Ontario flights
Dulles Intl to Los Angeles flights
Seattle to Santa Ana flights
Hobby to Las Vegas flights
Los Angeles to Las Vegas flights
Minneapolis to Las Vegas flights
LaGuardia to Las Vegas flights
Santa Ana to San Francisco flights
Boston to Los Angeles flights
Boston to Las Vegas flights
Reagan-National to Las Vegas flights
Baltimore to Los Angeles flights
Denver to Las Vegas flights
Baltimore to Las Vegas flights
Reagan-National to Los Angeles flights
Seattle to Ontario flights
LaGuardia to San Francisco flights
John F Kennedy Intl to San Diego flights
Burbank to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
Seattle to San Diego flights
Cleveland to Las Vegas flights
O'Hare Intl to San Francisco flights
Los Angeles to San Jose flights
George Bush Intcntl to Las Vegas flights
San Jose to Las Vegas flights
Santa Ana to Las Vegas flights
Seattle to San Francisco flights
Orlando to Las Vegas flights

Top airline flying from Colorado to Eureka

Discover the top airline that operate flights from Colorado to Eureka. 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$238Average$454FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.