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Eureka

$95+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACV
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 March 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Tue 4/1410:29 pm
DEN
-
ACV
1 stop14h 51m
Multiple Airlines
Tue 4/211:40 pm
ACV
-
DEN
2 stops13h 19m
Multiple Airlines
Deal found 3/22$274
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Fri 5/2910:29 pm
DEN
-
ACV
1 stop14h 10m
Multiple Airlines
Wed 6/312:19 pm
ACV
-
DEN
1 stop10h 50m
Multiple Airlines
Deal found 3/22$282
This United Airlines deal was found by Cheapflights users on 3/20. 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 4/293:55 pm
DEN
-
ACV
1 stop7h 35m
United Airlines
Thu 5/76:49 pm
ACV
-
DEN
1 stop5h 10m
United Airlines
Deal found 3/20$304
This United Airlines deal was found by Cheapflights users on 3/19. 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 4/165:15 am
DEN
-
ACV
1 stop7h 38m
United Airlines
Thu 4/236:50 pm
ACV
-
DEN
1 stop4h 55m
United Airlines
Deal found 3/19$317
This United Airlines deal was found by Cheapflights users on 3/22. 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 5/283:43 pm
DEN
-
ACV
1 stop7h 35m
United Airlines
Thu 6/43:47 pm
ACV
-
DEN
1 stop5h 28m
United Airlines
Deal found 3/22$318
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:30 pm
DEN
-
ACV
2 stops15h 30m
Multiple Airlines
Wed 4/81:05 pm
ACV
-
DEN
1 stop5h 56m
Multiple Airlines
Deal found 3/18$323
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:05 pm
DEN
-
ACV
2 stops17h 55m
Multiple Airlines
Wed 4/221:05 pm
ACV
-
DEN
1 stop5h 55m
Multiple Airlines
Deal found 3/18$324
This United Airlines deal was found by Cheapflights users on 3/22. 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 4/89:35 am
DEN
-
ACV
1 stop7h 05m
United Airlines
Mon 4/136:50 pm
ACV
-
DEN
1 stop4h 55m
United Airlines
Deal found 3/22$329
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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.
Tue 5/58:00 am
DEN
-
ACV
1 stop7h 10m
Alaska Airlines
Sat 5/92:47 pm
ACV
-
DEN
1 stop6h 02m
Alaska Airlines
Deal found 3/22$344
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 4/411:21 am
DEN
-
ACV
1 stop7h 36m
United Airlines
Wed 4/86:50 pm
ACV
-
DEN
1 stop4h 55m
United Airlines
Deal found 3/20$354

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$274
(Kiwi.com)

One-way from

$95
(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, 1% 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 March 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 March 23, 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

Tue 4/14

1:25 pm-7:02 pm

1 stop6h 37m

Arcata Eureka

Tue 4/21

6:50 pm-12:45 am

1 stop4h 55m

$304

DenverArcata

DEN - ACV

DENACV

Denver Intl

Wed 4/29

11:22 am-1:25 pm

Nonstop3h 03m

Arcata Eureka

Thu 5/7

4:25 pm-12:59 am

1 stop7h 34m

$320

DenverArcata

DEN - ACV

DENACV

Denver Intl

Sat 4/18

7:39 am-11:53 am

1 stop5h 14m

Arcata Eureka

Tue 4/21

6:50 pm-12:45 am

1 stop4h 55m

$357

DenverArcata

DEN - ACV

DENACV

Denver Intl

Mon 4/20

11:22 am-1:25 pm

Nonstop3h 03m

Arcata Eureka

Mon 4/27

6:50 pm-12:45 am

1 stop4h 55m

$378

DenverArcata

DEN - ACV

DENACV

Denver Intl

Tue 4/28

1:25 pm-7:02 pm

1 stop6h 37m

Arcata Eureka

Sat 5/2

4:25 pm-12:59 am

1 stop7h 34m

$394

DenverArcata

DEN - ACV

DENACV

Denver Intl

Fri 7/17

9:05 pm-2:13 pm

1 stop18h 08m

Arcata Eureka

Tue 7/21

2:50 pm-10:47 pm

1 stop6h 57m

$423
Quickest round-trip

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 4/9

11:22 am-1:25 pm

Nonstop3h 03m

Arcata Eureka

Thu 4/16

12:34 pm-4:23 pm

Nonstop2h 49m

$425

DenverArcata

DEN - ACV

DENACV

Denver Intl

Fri 5/29

3:43 pm-10:18 pm

1 stop7h 35m

Arcata Eureka

Thu 6/4

12:30 pm-4:22 pm

Nonstop2h 52m

$425

DenverArcata

DEN - ACV

DENACV

Denver Intl

Fri 5/29

6:05 pm-10:18 pm

1 stop5h 13m

Arcata Eureka

Fri 6/5

12:30 pm-4:22 pm

Nonstop2h 52m

$425

DenverArcata

DEN - ACV

DENACV

Denver Intl

Tue 5/5

8:00 am-2:10 pm

1 stop7h 10m

Arcata Eureka

Sat 5/9

2:47 pm-10:50 am

2 stops19h 03m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 19 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 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 $299). 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 March 23, 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.

Weekly flight availability from Colorado to Eureka

Explore weekly flight availability from Colorado to Eureka. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 23, 2026.

The most flights from USCO to EU9 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 6h 37m. 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 $477, our data shows the cheapest flight currently is $345. When looking at the most popular route, (Denver Intl - Arcata Eureka), you can expect to pay $304 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 $219). Flying from Colorado to Eureka in April is currently the most expensive (average of $299). 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

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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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$374FlexibilityNo cancel feeOn-time69%

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