$382+ Cheap flights from St. Louis (STL) 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ACV
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 St. Louis to Eureka
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Cheapest flights from St. Louis to EurekaExplore the most affordable flight options available from St. Louis to Eureka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from St. Louis to Eureka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
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.
Mon 11/96:44 pm -
2 stops43h 27m
Wed 11/1812:51 pm -
1 stop21h 42m
Deal found 9/5![Multiple Airlines logo]()
$382
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.
Fri 11/131:28 pm -
1 stop24h 43m
Wed 11/1812:51 pm -
1 stop21h 42m
Deal found 9/5![Multiple Airlines logo]()
$392
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:00 am -
1 stop8h 14m
Wed 12/91:55 pm -
1 stop8h 04m
Deal found 9/6![Alaska Airlines logo]()
$584
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.
Tue 11/107:00 am -
1 stop9h 45m
Tue 11/173:22 pm -
1 stop21h 03m
Deal found 9/5![Alaska Airlines logo]()
$591
This Travelocity deal was found by Cheapflights users on 9/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
1 stop9h 33m
Wed 11/113:22 pm -
1 stop21h 03m
Deal found 9/10![Alaska Airlines logo]()
$601
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/215:10 am -
2 stops12h 19m
Wed 11/1112:42 pm -
1 stop6h 17m
Deal found 9/10![United Airlines logo]()
$610
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.
Sun 11/87:00 am -
1 stop9h 45m
Mon 11/163:22 pm -
1 stop6h 37m
Deal found 9/5![Alaska Airlines logo]()
$619
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.
Sun 11/87:00 am -
1 stop9h 45m
Tue 11/173:22 pm -
1 stop21h 03m
Deal found 9/5![Alaska Airlines logo]()
$626
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.
Wed 11/118:50 am -
1 stop6h 40m
Sun 11/152:13 pm -
1 stop6h 02m
Deal found 9/5![United Airlines logo]()
$631
Best flights from St. Louis to EurekaDiscover carefully curated flight deals from St. Louis to Eureka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from St. Louis to Eureka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:00 am -
1 stop8h 14m
Wed 12/91:55 pm -
1 stop8h 04m
Deal found 9/7![Alaska Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/215:10 am -
2 stops12h 19m
Wed 11/1112:42 pm -
1 stop6h 17m
Deal found 9/10![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 12/55:49 pm -
1 stop21h 33m
Wed 12/97:10 am -
2 stops27h 33m
Deal found 9/9![United Airlines logo]()
$660
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.
Mon 11/93:23 pm -
1 stop25h 22m
Sun 11/153:22 pm -
1 stop6h 37m
Deal found 9/5![Alaska Airlines logo]()
$666
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 11/127:00 am -
1 stop9h 45m
Tue 11/173:22 pm -
2 stops16h 07m
Deal found 9/5![Alaska Airlines logo]()
$707
Last-minute flights from St. Louis to EurekaDiscover last-minute flight deals from St. Louis to Eureka. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Eureka. Data last updated September 10, 2026 and is based on user searches.
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:29 am -
1 stop10h 13m
Mon 9/213:19 pm -
1 stop6h 40m
Deal found 9/5![Alaska Airlines logo]()
$907
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.
Mon 9/146:15 am -
2 stops10h 29m
Mon 9/218:00 am -
1 stop8h 39m
Deal found 9/5![United Airlines logo]()
$937
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.
Sun 9/209:00 am -
1 stop6h 27m
Thu 9/2412:49 pm -
1 stop8h 55m
Deal found 9/5![United Airlines logo]()
$810
This United Airlines deal was found by Cheapflights users on 9/10. 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 9/2511:35 am -
2 stops12h 55m
Tue 9/298:20 am -
3 stops13h 24m
Deal found 9/10![United Airlines logo]()
$1,786
This Travelocity deal was found by Cheapflights users on 9/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:02 am -
1 stop9h 33m
Wed 11/113:22 pm -
1 stop21h 03m
Deal found 9/10![Alaska Airlines logo]()
$601
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/215:10 am -
2 stops12h 19m
Wed 11/1112:42 pm -
1 stop6h 17m
Deal found 9/10![United Airlines logo]()
$610
Find flight deals from St. Louis to Eureka
Keep the following information in mind while searching for St. Louis to Eureka flight deals. Data was last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $382 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 10, 2026.
Use the filters below to find and compare flights from St. Louis to Eureka that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisArcata
STL Lambert-St Louis - ACV Arcata Eureka
STLACV
Lambert-St Louis
Sat 12/5
7:00 am-1:14 pm
1 stop8h 14m
Arcata Eureka
Wed 12/9
1:55 pm-11:59 pm
1 stop8h 04m
$584
St. LouisArcata
STL Lambert-St Louis - ACV Arcata Eureka
STLACV
Lambert-St Louis
Wed 10/21
5:10 am-3:29 pm
2 stops12h 19m
Arcata Eureka
Wed 11/11
12:42 pm-8:59 pm
1 stop6h 17m
$610
St. LouisArcata
STL Lambert-St Louis - ACV Arcata Eureka
STLACV
Lambert-St Louis
Sat 12/5
5:49 pm-1:22 pm
1 stop21h 33m
Arcata Eureka
Wed 12/9
7:10 am-12:43 pm
2 stops27h 33m
$660
St. LouisArcata
STL Lambert-St Louis - ACV Arcata Eureka
STLACV
Lambert-St Louis
Mon 11/9
3:23 pm-2:45 pm
1 stop25h 22m
Arcata Eureka
Sun 11/15
3:22 pm-11:59 pm
1 stop6h 37m
$666
St. LouisArcata
STL Lambert-St Louis - ACV Arcata Eureka
STLACV
Lambert-St Louis
Thu 11/12
7:00 am-2:45 pm
1 stop9h 45m
Arcata Eureka
Tue 11/17
3:22 pm-9:29 am
2 stops16h 07m
$707
Sorted by cheapest first
Best time to book a flight from St. Louis to Eureka
Have a flexible travel schedule? Discover the best time to fly to Eureka from St. Louis with our price prediction graph.
STL-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 St. Louis to Eureka
STL-EU9
STL-ACV
No data available for this route at this time. Please check back soon.
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 10, 2026.
Peruse reviews from past customers who have flown with United Airlines from St. Louis to Eureka to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Food
6.7
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Related info for your journey
Find useful and relevant information for your journey from St. Louis 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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St. Louis and Eureka flights
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Top airline flying from St. Louis to Eureka
Discover the top airline that operate flights from St. Louis 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$618 | FlexibilityNo cancel fee | On-time69% |