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Eureka

$284+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACV
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
1 adult, Economy
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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 agosto 18, 2025.

Round-trip from

$319
(United Airlines)

One-way from

$284
(United Airlines)

Popular in

April

Cheapest in

November

Average price

$439
From Colorado to Eureka
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One-way flight from Colorado to Eureka
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Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 agosto 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/16. 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.
jue. 8/286:08 amDEN - ACV
1 stop5h 41mUnited Airlines
dom. 8/316:40 pmACV - DEN
1 stop4h 48mUnited Airlines
Deal found 8/16$319
This United Airlines deal was found by Cheapflights users on 8/18. 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.
vie. 9/126:08 amDEN - ACV
1 stop5h 41mUnited Airlines
mar. 9/164:09 pmACV - DEN
1 stop5h 18mUnited Airlines
Deal found 8/18$324
This United Airlines deal was found by Cheapflights users on 8/16. 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.
jue. 10/3011:15 amDEN - ACV
Nonstop3h 15mUnited Airlines
lun. 11/36:45 pmACV - DEN
1 stop4h 45mUnited Airlines
Deal found 8/16$355
This United Airlines deal was found by Cheapflights users on 8/16. 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.
mié. 10/86:03 amDEN - ACV
1 stop5h 49mUnited Airlines
dom. 10/124:00 pmACV - DEN
1 stop7h 29mUnited Airlines
Deal found 8/16$364
This United Airlines deal was found by Cheapflights users on 8/18. 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.
jue. 10/96:03 amDEN - ACV
1 stop5h 49mUnited Airlines
dom. 10/124:00 pmACV - DEN
1 stop7h 29mUnited Airlines
Deal found 8/18$372
This United Airlines deal was found by Cheapflights users on 8/16. 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.
vie. 10/3111:15 amDEN - ACV
Nonstop3h 15mUnited Airlines
dom. 11/23:50 pmACV - DEN
1 stop7h 40mUnited Airlines
Deal found 8/16$375
This United Airlines deal was found by Cheapflights users on 8/16. 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.
jue. 9/256:03 amDEN - ACV
1 stop5h 54mUnited Airlines
dom. 9/284:00 pmACV - DEN
1 stop7h 29mUnited Airlines
Deal found 8/16$384
This United Airlines deal was found by Cheapflights users on 8/16. 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.
jue. 10/3011:15 amDEN - ACV
Nonstop3h 15mUnited Airlines
sáb. 11/13:50 pmACV - DEN
1 stop5h 30mUnited Airlines
Deal found 8/16$395
This United Airlines deal was found by Cheapflights users on 8/16. 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.
sáb. 9/137:50 amDEN - ACV
2 stops15h 24mUnited Airlines
sáb. 9/204:09 pmACV - DEN
1 stop5h 18mUnited Airlines
Deal found 8/16$412

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 agosto 18, 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

jue. 8/28

6:08 am-10:49 am

1 stop5h 41m

Arcata Eureka

dom. 8/31

6:40 pm-12:28 am

1 stop4h 48m

$319

DenverArcata

DEN - ACV

DENACV

Denver Intl

vie. 10/31

6:00 am-10:55 am

1 stop5h 55m

Arcata Eureka

dom. 11/2

3:50 pm-12:30 am

1 stop7h 40m

$324

DenverArcata

DEN - ACV

DENACV

Denver Intl

sáb. 9/13

5:59 pm-10:14 pm

1 stop5h 15m

Arcata Eureka

sáb. 9/20

4:09 pm-10:27 pm

1 stop5h 18m

$324

DenverArcata

DEN - ACV

DENACV

Denver Intl

vie. 9/12

6:08 am-10:49 am

1 stop5h 41m

Arcata Eureka

mar. 9/16

4:09 pm-10:27 pm

1 stop5h 18m

$324

DenverArcata

DEN - ACV

DENACV

Denver Intl

mié. 11/12

10:12 am-3:18 pm

1 stop6h 06m

Arcata Eureka

mié. 11/19

3:50 pm-12:30 am

1 stop7h 40m

$324

DenverArcata

DEN - ACV

DENACV

Denver Intl

jue. 10/30

8:03 am-3:18 pm

1 stop8h 15m

Arcata Eureka

lun. 11/3

3:50 pm-10:20 pm

1 stop5h 30m

$324

DenverArcata

DEN - ACV

DENACV

Denver Intl

jue. 10/30

6:00 am-10:55 am

1 stop5h 55m

Arcata Eureka

dom. 11/2

3:50 pm-12:30 am

1 stop7h 40m

$324

DenverArcata

DEN - ACV

DENACV

Denver Intl

mié. 10/29

1:25 pm-5:52 pm

1 stop5h 27m

Arcata Eureka

lun. 11/3

6:45 pm-12:30 am

1 stop4h 45m

$324

DenverArcata

DEN - ACV

DENACV

Denver Intl

vie. 10/31

6:00 am-10:55 am

1 stop5h 55m

Arcata Eureka

lun. 11/3

3:50 pm-10:20 pm

1 stop5h 30m

$324

DenverArcata

DEN - ACV

DENACV

Denver Intl

mar. 10/14

6:03 am-10:52 am

1 stop5h 49m

$284

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 11 results
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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, January is the cheapest month in which you can book a flight from Colorado to Eureka (average of $343). Flying from Colorado to Eureka in June is currently the most expensive (average of $574). 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 agosto 18, 2025.

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.

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 5h 41m. The distance from Colorado to Eureka is about 1022 mi.

  • What are the cheapest flights from Colorado to Eureka?

    While on average a flight from Colorado to Eureka is generally $483, our data shows the cheapest flight currently is $349. When looking at the most popular route, (Denver Intl - Arcata Eureka), you can expect to pay $319 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, January is the cheapest month in which you can book a flight from Colorado to Eureka (average of $343). Flying from Colorado to Eureka in June is currently the most expensive (average of $574). 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 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 agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$238Average$554FlexibilityNo cancel feeOn-time69%

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