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Eureka

$132+ Cheap flights from Colorado 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACV
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap 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 July 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:30 am
DEN
-
ACV
2 stops28h 09m
Multiple Airlines
Wed 9/3012:51 pm
ACV
-
DEN
1 stop14h 01m
Multiple Airlines
Deal found 7/22$257
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Tue 8/181:30 pm
DEN
-
ACV
1 stop5h 20m
United Airlines
Mon 8/248:00 am
ACV
-
DEN
1 stop5h 32m
United Airlines
Deal found 7/20$304
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 8/191:30 pm
DEN
-
ACV
1 stop7h 37m
United Airlines
Wed 8/2612:34 pm
ACV
-
DEN
Nonstop2h 52m
United Airlines
Deal found 7/22$305
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 9/237:45 am
DEN
-
ACV
1 stop4h 51m
United Airlines
Wed 9/301:27 pm
ACV
-
DEN
1 stop5h 18m
United Airlines
Deal found 7/22$314
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:02 am
DEN
-
ACV
1 stop9h 11m
Alaska Airlines
Wed 8/122:50 pm
ACV
-
DEN
1 stop8h 09m
Alaska Airlines
Deal found 7/22$324
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:47 pm
DEN
-
ACV
2 stops22h 43m
Multiple Airlines
Wed 8/2612:19 pm
ACV
-
DEN
1 stop19h 46m
Multiple Airlines
Deal found 7/22$329
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 9/511:21 am
DEN
-
ACV
Nonstop3h 06m
United Airlines
Sun 9/133:47 pm
ACV
-
DEN
1 stop5h 31m
United Airlines
Deal found 7/23$333
This Expedia deal was found by Cheapflights users on 7/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:08 pm
DEN
-
ACV
1 stop18h 05m
Alaska Airlines
Wed 8/52:50 pm
ACV
-
DEN
1 stop8h 09m
Alaska Airlines
Deal found 7/21$344
This United Airlines deal was found by Cheapflights users on 7/20. 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 12/27:58 am
DEN
-
ACV
1 stop8h 19m
United Airlines
Wed 12/912:41 pm
ACV
-
DEN
Nonstop2h 46m
United Airlines
Deal found 7/20$370

Find flight deals from Colorado to Eureka

Keep the following information in mind while searching for Colorado to Eureka flight deals. Data was last updated July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Kiwi.com)

One-way from

$132
(Kiwi.com)

Popular in

January

Cheapest in

December

Average price

$544
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
One-way flight from Colorado to Eureka
Search Deals
High demand for flights, 12% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 24, 2026.
Use the filters below to find and compare flights from Colorado to Eureka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverArcata

DEN - ACV

DENACV

Denver Intl

Sat 9/5

5:00 am-11:36 am

1 stop7h 36m

Arcata Eureka

Sun 9/13

3:47 pm-10:18 pm

1 stop5h 31m

$314

DenverArcata

DEN - ACV

DENACV

Denver Intl

Sat 9/26

8:22 am-2:42 pm

1 stop7h 20m

Arcata Eureka

Sun 9/27

3:19 pm-11:19 pm

1 stop7h 00m

$372

DenverArcata

DEN - ACV

DENACV

Denver Intl

Sat 8/22

11:21 am-1:27 pm

Nonstop3h 06m

Arcata Eureka

Mon 8/24

6:27 pm-12:59 am

1 stop5h 32m

$385
Quickest round-trip

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 8/27

11:21 am-1:27 pm

Nonstop3h 06m

Arcata Eureka

Sun 8/30

4:04 pm-10:18 pm

1 stop5h 14m

$395

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 8/20

10:05 am-2:51 pm

1 stop5h 46m

Arcata Eureka

Thu 8/27

12:34 pm-4:26 pm

Nonstop2h 52m

$395
Cheapest one-way

DenverArcata

DEN - ACV

DENACV

Denver Intl

Sat 8/22

12:47 pm-10:30 am

2 stops22h 43m

$152

DenverArcata

DEN - ACV

DENACV

Denver Intl

Wed 11/18

3:11 pm-2:45 pm

1 stop24h 34m

$174

DenverArcata

DEN - ACV

DENACV

Denver Intl

Wed 11/18

8:30 am-11:39 am

3 stops28h 09m

$193

DenverArcata

DEN - ACV

DENACV

Denver Intl

Sat 8/15

12:47 pm-10:30 am

2 stops22h 43m

$197
Quickest one-way

DenverArcata

DEN - ACV

DENACV

Denver Intl

Fri 9/18

11:21 am-1:27 pm

Nonstop3h 06m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 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 July 24, 2026.

When flying from Colorado 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.

How much does it cost to fly round-trip from Colorado to Eureka?

Airfare is below average for this route at the moment.
Colorado to Eureka flights typically cost between $396 and $628 in September.
The cheapest round-trip price found within the last 5 days was $257 on Multiple Airlines (Sep 23-Sep 30).

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 popular is this Colorado to Eureka flight route?

    Within the past month, 3 users have taken a look at flights from Colorado to Eureka.

  • How long is the flight from Colorado to Eureka?

    Departing from Colorado to Eureka will take you 7h 20m. The distance from Colorado to Eureka is about 1022 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest flights from Colorado to Eureka?

    While on average a flight from Colorado to Eureka is generally $727, our data shows the cheapest flight currently is $384. When looking at the most popular route, (Denver Intl - Arcata Eureka), you can expect to pay $249 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.

See more FAQs

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Alternative routes for Colorado to Eureka

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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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$410FlexibilityNo cancel feeOn-time69%

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