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Eureka

$134+ 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACV
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 3/1710:30 pm
DEN
-
ACV
1 stop15h 20m
Multiple Airlines
Wed 4/11:40 pm
ACV
-
DEN
1 stop9h 40m
Multiple Airlines
Deal found 1/26$161
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 3/1710:30 pm
DEN
-
ACV
1 stop15h 20m
Multiple Airlines
Tue 3/311:50 pm
ACV
-
DEN
2 stops13h 09m
Multiple Airlines
Deal found 1/26$194
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sun 3/1510:30 pm
DEN
-
ACV
2 stops39h 30m
Multiple Airlines
Wed 4/11:40 pm
ACV
-
DEN
1 stop9h 40m
Multiple Airlines
Deal found 1/26$202
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 4/287:05 pm
DEN
-
ACV
1 stop18h 15m
Multiple Airlines
Sat 5/21:05 pm
ACV
-
DEN
1 stop10h 14m
Multiple Airlines
Deal found 1/28$212
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 3/1610:30 pm
DEN
-
ACV
2 stops15h 30m
Multiple Airlines
Wed 4/11:40 pm
ACV
-
DEN
1 stop9h 40m
Multiple Airlines
Deal found 1/26$216
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 4/287:05 pm
DEN
-
ACV
1 stop18h 15m
Multiple Airlines
Wed 5/612:19 pm
ACV
-
DEN
1 stop11h 00m
Multiple Airlines
Deal found 1/28$226
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 3/1710:30 pm
DEN
-
ACV
1 stop15h 20m
Multiple Airlines
Sat 3/281:45 pm
ACV
-
DEN
1 stop13h 11m
Multiple Airlines
Deal found 1/26$229
This United Airlines deal was found by Cheapflights users on 1/28. 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 3/185:25 am
DEN
-
ACV
1 stop6h 29m
United Airlines
Tue 3/242:14 pm
ACV
-
DEN
1 stop7h 06m
United Airlines
Deal found 1/28$235
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/297:05 pm
DEN
-
ACV
2 stops17h 55m
Multiple Airlines
Sat 5/21:05 pm
ACV
-
DEN
1 stop10h 14m
Multiple Airlines
Deal found 1/28$250
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 3/1710:30 pm
DEN
-
ACV
1 stop15h 20m
Multiple Airlines
Thu 4/212:40 pm
ACV
-
DEN
2 stops10h 40m
Multiple Airlines
Deal found 1/26$256
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Fri 3/2010:30 pm
DEN
-
ACV
1 stop15h 20m
Multiple Airlines
Wed 4/11:40 pm
ACV
-
DEN
1 stop9h 40m
Multiple Airlines
Deal found 1/26$257
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 4/297:05 pm
DEN
-
ACV
2 stops17h 55m
Multiple Airlines
Wed 5/612:19 pm
ACV
-
DEN
1 stop6h 42m
Multiple Airlines
Deal found 1/28$264

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$161
(Kiwi.com)

One-way from

$134
(Kiwi.com)

Popular in

November

Cheapest in

December

Average price

$449
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, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
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

Wed 3/18

5:25 am-10:54 am

1 stop6h 29m

Arcata Eureka

Tue 3/24

2:14 pm-10:20 pm

1 stop7h 06m

$235

DenverArcata

DEN - ACV

DENACV

Denver Intl

Mon 7/13

5:15 am-12:04 pm

1 stop7h 49m

Arcata Eureka

Sun 7/19

4:00 pm-12:43 am

1 stop7h 43m

$292

DenverArcata

DEN - ACV

DENACV

Denver Intl

Wed 2/25

5:20 am-12:19 pm

1 stop7h 59m

Arcata Eureka

Sat 3/7

12:35 pm-4:18 pm

Nonstop2h 43m

$293

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 2/12

7:45 am-2:39 pm

1 stop7h 54m

Arcata Eureka

Mon 2/16

1:00 pm-4:40 pm

Nonstop2h 40m

$297

DenverArcata

DEN - ACV

DENACV

Denver Intl

Tue 4/28

8:00 am-2:10 pm

1 stop7h 10m

Arcata Eureka

Tue 5/5

2:47 pm-9:49 pm

1 stop6h 02m

$313

DenverArcata

DEN - ACV

DENACV

Denver Intl

Fri 4/10

11:22 am-1:25 pm

Nonstop3h 03m

Arcata Eureka

Mon 4/13

6:50 pm-12:45 am

1 stop4h 55m

$316

DenverArcata

DEN - ACV

DENACV

Denver Intl

Tue 4/28

8:00 am-2:10 pm

1 stop7h 10m

Arcata Eureka

Sun 5/3

2:47 pm-11:59 pm

1 stop8h 12m

$323

DenverArcata

DEN - ACV

DENACV

Denver Intl

Wed 3/18

5:25 am-10:54 am

1 stop6h 29m

Arcata Eureka

Fri 3/27

3:50 pm-12:30 am

1 stop7h 40m

$325

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 3/19

5:25 am-10:54 am

1 stop6h 29m

Arcata Eureka

Fri 3/27

3:50 pm-12:30 am

1 stop7h 40m

$325

DenverArcata

DEN - ACV

DENACV

Denver Intl

Fri 3/6

5:25 am-10:54 am

1 stop6h 29m

Arcata Eureka

Mon 3/9

12:35 pm-4:18 pm

Nonstop2h 43m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 12 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 $219). Flying from Colorado to Eureka in April is currently the most expensive (average of $285). 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 January 29, 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.

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 6h 29m. The distance from Colorado to Eureka is about 1022 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $219). Flying from Colorado to Eureka in April is currently the most expensive (average of $285). 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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Alternative routes for Colorado to Eureka

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$452FlexibilityNo cancel feeOn-time69%

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