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Eureka

$225+ Cheap flights from Denver (DEN) 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — RDD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Eureka are usually found in February or December, booked 58 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Denver to Eureka

Cheapest flights from Denver to Eureka
Explore the most affordable flight options available from Denver to Eureka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 12/247:47 amDEN - ACV
1 stop8h 08mUnited Airlines
Sat 1/36:41 pmACV - DEN
1 stop4h 45mUnited Airlines
Deal found 12/11$339
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/2611:17 amDEN - ACV
Nonstop3h 11mUnited Airlines
Tue 12/3012:29 pmACV - DEN
Nonstop2h 46mUnited Airlines
Deal found 12/10$405
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/1911:17 amDEN - ACV
Nonstop3h 11mUnited Airlines
Sun 12/286:30 pmACV - DEN
1 stop4h 56mUnited Airlines
Deal found 12/10$419
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/1911:17 amDEN - ACV
Nonstop3h 11mUnited Airlines
Mon 12/296:30 pmACV - DEN
1 stop4h 56mUnited Airlines
Deal found 12/10$480
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/1011:15 amDEN - ACV
Nonstop3h 15mUnited Airlines
Mon 12/1512:30 pmACV - DEN
Nonstop2h 44mUnited Airlines
Deal found 12/9$485

Find flight deals from Denver to Eureka

Keep the following information in mind while searching for Denver to Eureka flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$225
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$374
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 Denver Intl to Eureka
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 December 12, 2025.
Use the filters below to find and compare flights from Denver to Eureka that are best for you.

Fly from

Denver

Fly to

Eureka

Route

Depart

Return

Price

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 1/8

11:15 am-1:26 pm

Nonstop3h 11m

Arcata Eureka

Thu 1/15

12:30 pm-4:18 pm

Nonstop2h 48m

$225

DenverArcata

DEN - ACV

DENACV

Denver Intl

Fri 1/30

11:15 am-1:26 pm

Nonstop3h 11m

Arcata Eureka

Sun 2/1

12:30 pm-4:18 pm

Nonstop2h 48m

$305

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 1/29

11:15 am-1:26 pm

Nonstop3h 11m

Arcata Eureka

Sun 2/1

12:30 pm-4:18 pm

Nonstop2h 48m

$305

DenverArcata

DEN - ACV

DENACV

Denver Intl

Thu 1/8

11:15 am-1:26 pm

Nonstop3h 11m

Arcata Eureka

Mon 1/12

12:30 pm-4:18 pm

Nonstop2h 48m

$305

DenverArcata

DEN - ACV

DENACV

Denver Intl

Sat 5/9

11:21 am-1:28 pm

Nonstop3h 07m

$234

DenverArcata

DEN - ACV

DENACV

Denver Intl

Sat 5/9

7:03 pm-1:14 pm

2 stops19h 11m

$261

DenverArcata

DEN - ACV

DENACV

Denver Intl

Wed 4/8

11:21 am-1:28 pm

Nonstop3h 07m

$410

DenverArcata

DEN - ACV

DENACV

Denver Intl

Wed 4/8

7:03 pm-1:14 pm

2 stops19h 11m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Best time to book a flight from Denver to Eureka

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

How far ahead should I book a flight from Denver to Eureka?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Eureka. Price data was last updated on December 5, 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Eureka. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Denver to Eureka (average of $219). Flying from Denver 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 DEN to EU9?

Find hourly flight availability from Denver 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 December 12, 2025.

It’s optimal to fly from Denver to Eureka in the afternoon. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Denver to Eureka

Explore weekly flight availability from Denver 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 December 12, 2025.

The most flights from DEN 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).

Reviews of airlines servicing Eureka

Get insights into the airlines that provide service to Eureka. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Eureka. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown United Airlines from Denver to Eureka. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Related info for your journey

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

  • What airport do you fly from for flights from Denver to Eureka?

    Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly out of when you book flights from Denver to Eureka. 1 airline have flights from Denver Intl to Eureka on a regular basis. Booking flights from Denver Intl to Eureka should not be difficult; the airport handles an average of 1 outbound flight to Eureka per day.

  • How popular is this Denver to Eureka flight route?

    Within the past month, 1 users have taken a look at flights from Denver Intl to Eureka.

  • How long is the flight from Denver to Eureka?

    Airlines like United Airlines fly from Denver to Eureka in about 3h 11m. The time it takes to get you to your destination is usually consistent. The distance between Denver and Eureka is about 1022 mi. All flights are typically nonstop.

  • What are the cheapest flights from Denver to Eureka?

    Looking for the cheapest flight from Denver to Eureka? While on average our users pay $219, our data indicates the cheapest price to be $219. The most popular route (Denver Intl - Arcata Eureka), is priced around $305.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Denver to Eureka (average of $219). Flying from Denver 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.

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Alternative routes for Denver to Eureka

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Top airline flying from Denver to Eureka

Discover the top airline that operate flights from Denver 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$219Average$378FlexibilityNo cancel feeOn-time69%

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