$107+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ACV
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Eureka with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Denver to Eureka
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Best
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One-way
Cheapest flights from Denver to EurekaExplore 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 September 7, 2026.
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 September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/221:10 pm -
2 stops24h 01m
Sat 9/2612:51 pm -
1 stop9h 53m
Deal found 9/4![Multiple Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/18:00 am -
1 stop5h 25m
Thu 10/81:27 pm -
1 stop8h 02m
Deal found 9/3![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/211:17 am -
Nonstop3h 10m
Fri 10/91:27 pm -
1 stop8h 02m
Deal found 9/7![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/248:00 am -
1 stop5h 25m
Mon 9/2812:49 pm -
Nonstop2h 52m
Deal found 9/4![United Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/237:30 am -
1 stop5h 41m
Sat 9/2612:51 pm -
2 stops18h 24m
Deal found 9/4![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Sat 9/197:30 am -
1 stop5h 41m
Wed 9/2312:51 pm -
1 stop23h 00m
Deal found 9/4![Multiple Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/183:50 pm -
1 stop7h 37m
Tue 9/2212:34 pm -
Nonstop2h 52m
Deal found 9/3![United Airlines logo]()
$375
Best flights from Denver to EurekaDiscover carefully curated flight deals from Denver to Eureka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Denver to Eureka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. 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 3/411:21 am -
Nonstop3h 07m
Tue 3/92:15 pm -
1 stop5h 13m
Deal found 9/4![United Airlines logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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 2/27:00 am -
1 stop8h 32m
Mon 2/83:09 pm -
1 stop7h 08m
Deal found 9/4![Alaska Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/2411:15 am -
1 stop5h 14m
Fri 10/3012:42 pm -
Nonstop2h 48m
Deal found 9/6![United Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 1/277:00 am -
1 stop8h 32m
Sat 2/63:09 pm -
1 stop7h 08m
Deal found 9/4![Alaska Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/248:00 am -
1 stop5h 25m
Mon 9/2812:49 pm -
Nonstop2h 52m
Deal found 9/7![United Airlines logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Thu 10/13:04 pm -
1 stop24h 38m
Mon 10/53:12 pm -
1 stop6h 25m
Deal found 9/5![Alaska Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/3111:15 am -
Nonstop3h 15m
Tue 11/32:13 pm -
1 stop4h 47m
Deal found 9/2![United Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 1/307:00 am -
1 stop8h 32m
Sat 2/63:09 pm -
1 stop26h 47m
Deal found 9/5![Alaska Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/311:17 am -
Nonstop3h 10m
Sun 10/41:27 pm -
1 stop6h 46m
Deal found 9/5![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 1/313:45 pm -
1 stop6h 12m
Mon 2/81:21 pm -
1 stop5h 09m
Deal found 9/4![United Airlines logo]()
$424
Last-minute flights from Denver to EurekaDiscover last-minute flight deals from Denver to Eureka. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Eureka. Data last updated September 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/3. 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 9/183:50 pm -
1 stop7h 37m
Tue 9/2212:34 pm -
Nonstop2h 52m
Deal found 9/3![United Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Sat 9/197:30 am -
1 stop5h 41m
Wed 9/2312:51 pm -
1 stop23h 00m
Deal found 9/4![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/221:10 pm -
2 stops24h 01m
Sat 9/2612:51 pm -
1 stop9h 53m
Deal found 9/4![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 9/237:30 am -
1 stop5h 41m
Sat 9/2612:51 pm -
2 stops18h 24m
Deal found 9/4![Multiple Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/248:00 am -
1 stop5h 25m
Mon 9/2812:49 pm -
Nonstop2h 52m
Deal found 9/4![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/18:00 am -
1 stop5h 25m
Thu 10/81:27 pm -
1 stop8h 02m
Deal found 9/3![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/211:17 am -
Nonstop3h 10m
Fri 10/91:27 pm -
1 stop8h 02m
Deal found 9/7![United Airlines logo]()
$345
One-way flights from Denver to EurekaSearch for one-way flight options from Denver to Eureka. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Denver to Eureka. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/209:00 am -
2 stops28h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Sat 9/267:30 am -
1 stop5h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sat 12/56:10 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$134
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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.
Mon 10/265:57 pm -
1 stop21h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Alaska Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/2610:44 pm -
3 stops38h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$186
This United Airlines deal was found by Cheapflights users on 9/5. 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 12/511:15 am -
Nonstop3h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$204
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $308 (Kiwi.com) |
One-way from | $107 (Kiwi.com) |
Popular in | August |
Cheapest in | December |
Average price | $464 |
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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Denver to Eureka that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Sat 9/26
7:30 am-12:11 pm
1 stop5h 41m
Arcata Eureka
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$151
Quickest round-trip
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Sat 12/5
11:15 am-1:22 pm
Nonstop3h 07m
Arcata Eureka
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$204
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Thu 10/8
10:44 pm-12:11 pm
3 stops38h 27m
Arcata Eureka
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$264
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Sat 10/24
11:17 am-1:27 pm
Nonstop3h 10m
Arcata Eureka
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Sat 9/26
11:17 am-1:27 pm
Nonstop3h 10m
Arcata Eureka
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Thu 10/8
3:39 pm-10:18 pm
1 stop7h 39m
Arcata Eureka
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$299
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Mon 10/26
11:15 am-1:30 pm
Nonstop3h 15m
Arcata Eureka
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$308
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Thu 3/4
11:21 am-1:28 pm
Nonstop3h 07m
Arcata Eureka
Tue 3/9
2:15 pm-8:28 pm
1 stop5h 13m
$325
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Sat 10/24
11:15 am-3:29 pm
1 stop5h 14m
Arcata Eureka
Fri 10/30
12:42 pm-4:30 pm
Nonstop2h 48m
$345
DenverArcata
DEN Denver Intl - ACV Arcata Eureka
DENACV
Denver Intl
Thu 9/24
8:00 am-12:25 pm
1 stop5h 25m
Arcata Eureka
Mon 9/28
12:49 pm-4:41 pm
Nonstop2h 52m
$370
Showing 1-10 of 18 resultsSorted by cheapest first
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.
DEN-ACV
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
DEN-EU9
DEN-ACV
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 September 7, 2026.
When flying from Denver 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 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 September 7, 2026.
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).
How much does it cost to fly round-trip from Denver to Eureka?
Airfare is below average for this route at the moment.
Denver to Eureka flights typically cost between $346 and $522 in September.The cheapest round-trip price found within the last 5 days was $308 on Multiple Airlines (Sep 22-Sep 26).
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 September 7, 2026.
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.
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Comfort
7.3
Food
6.6
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Boarding
7.7
Overall
7.4
Entertainment
7.1
Crew
8.1
Comfort
7.3
Food
6.6
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
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.
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Denver and Eureka flights
Browse other Denver and Eureka flight options. Last updated on September 7, 2026.
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Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Popular flight searches
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Denver to Eureka flights
Consider these flights traveling from Denver to Eureka.
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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$413 | FlexibilityNo cancel fee | On-time69% |