$234 Cheap Flights from Denver (DEN) to Eureka (ACV)

View $234 flight on Thu, Sep 4, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Eureka, CA (ACV-Arcata - Eureka)

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Cheap Flights from Denver to Eureka (DEN-ACV)

Prices were available within the past 7 days and start at $234 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Oct 7 - Sat, Oct 11
DEN
Denver
ACV
Eureka
$244 Roundtrip, just found
$244
Roundtrip
just found
Select United flight, departing Tue, Oct 7 from Denver to Eureka, returning Sat, Oct 11, priced at $244 just found
United
Thu, Aug 14 - Tue, Aug 19
DEN
Denver
ACV
Eureka
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 14 from Denver to Eureka, returning Tue, Aug 19, priced at $250 found 2 days ago
United
Tue, Aug 19 - Sat, Aug 30
DEN
Denver
ACV
Eureka
$259 Roundtrip, found 18 hours ago
$259
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Aug 19 from Denver to Eureka, returning Sat, Aug 30, priced at $259 found 18 hours ago
United
Wed, Sep 10 - Wed, Sep 17
DEN
Denver
ACV
Eureka
$275 Roundtrip, found 5 hours ago
$275
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Sep 10 from Denver to Eureka, returning Wed, Sep 17, priced at $275 found 5 hours ago
United
Wed, Sep 3 - Tue, Sep 9
DEN
Denver
ACV
Eureka
$284 Roundtrip, found 1 hour ago
$284
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 3 from Denver to Eureka, returning Tue, Sep 9, priced at $284 found 1 hour ago
United
Thu, Aug 14 - Tue, Aug 19
DEN
Denver
ACV
Eureka
$290 Roundtrip, found 2 days ago
$290
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 14 from Denver to Eureka, returning Tue, Aug 19, priced at $290 found 2 days ago
United
Fri, Sep 26 - Thu, Oct 2
DEN
Denver
ACV
Eureka
$295 Roundtrip, found 4 hours ago
$295
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Sep 26 from Denver to Eureka, returning Thu, Oct 2, priced at $295 found 4 hours ago
United
Wed, Aug 13 - Wed, Aug 20
DEN
Denver
ACV
Eureka
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 13 from Denver to Eureka, returning Wed, Aug 20, priced at $299 found 2 days ago
United
Tue, Oct 7 - Sat, Oct 11
DEN
Denver
ACV
Eureka
$304 Roundtrip, just found
$304
Roundtrip
just found
Select United flight, departing Tue, Oct 7 from Denver to Eureka, returning Sat, Oct 11, priced at $304 just found
United
Tue, Jan 6 - Tue, Jan 20
DEN
Denver
ACV
Eureka
$305 Roundtrip, found 6 days ago
$305
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jan 6 from Denver to Eureka, returning Tue, Jan 20, priced at $305 found 6 days ago

Find the cheapest month to fly from Denver (DEN) to Eureka (ACV)

November is typically the cheapest month to fly

From $219 - $595 per traveler.

Graph displaying average flight prices per month

Alternative airports near Eureka

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Arcata - Eureka ACV. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $439
ACV
Arcata - Eureka
Cheapest
Average driving time to city center20 min
Flights from $439
Flights from Denver (DEN) to Eureka (ACV)
Origin airport
Denver Intl.
Destination airport
Arcata - Eureka
Airlines serving
United
Roundtrip price
$244
Distance
1023 mi
Average flight time
2 hours 4 mins

Denver to Eureka Flights

The cheapest times to fly from Denver to Eureka

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Eureka are during the month of October. You can find some of the cheapest flights from Denver to Eureka with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Eureka

Sunday is one of the best days to book for cheap flights from Denver to Eureka: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Eureka

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Eureka in 2025. You can also book with separate airlines for your outbound and return journeys, from $234 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Eureka flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Eureka airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV) cost?
You can book cheap return flights starting from $345 from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving DEN on July 31 2025 and touching down at ACV. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DEN to ACV?
The cheapest flights from DEN to ACV are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV)?
When flying out of Denver Intl. Airport (DEN), you can get on a nonstop flight to Arcata - Eureka Airport (ACV) with United Airlines.
What is the cheapest airline that flies from DEN to ACV?
At the moment, the cheapest carrier offering one-way flights from DEN to ACV is United. You can take off on this route from $234. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on August 26 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV)?
On average, you can pick from 5 direct flights each week from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV). To increase your travel options, consider a flight with a layover. Just enter your details on Expedia and then set the filters to include one or two stops.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV)?
More people fly between DEN and ACV at 11 AM than at any other time. Prefer a quieter experience? Consider flying outside peak hours and it's possible you'll save on your ticket as well.
What day of the week has the most flights from DEN to ACV?
Jet off on a Monday if you're after the biggest selection of flights from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV).
What is the earliest flight from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV)?
Hop on the earliest flight at around 11:20AM UTC-7, departing from Denver Intl. Airport (DEN). You'll be flying for approximately 3h 6m, reaching Arcata - Eureka Airport (ACV) at approximately 1:26PM UTC-8.
How long does it take to fly from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV)?
Flights from DEN to ACV have an average travel time of 3 hours and 6 minutes. The distance between the two is 1,000 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV)?
To arrive at Arcata - Eureka Airport (ACV) without delays, opt for a flight that leaves from Denver Intl. Airport (DEN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Eureka from Denver Intl. Airport (DEN)?
Check out your flight options from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV). This is the only airport in Eureka you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV) last-minute?
Waiting until just before your trip to book a ticket from DEN to ACV generally means paying more. While it's possible to find some last-minute offers, there's no guarantee. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book a DEN to ACV flight and hotel package?
You can save money by booking a DEN to ACV flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal flights and accommodations, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Arcata - Eureka Airport (ACV)?
It's generally possible to reschedule or cancel your DEN to ACV flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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