$200+ Cheap flights from St. Louis (STL) 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 4/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ACV
may. 3 — may. 101
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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 St. Louis to Eureka
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One-way
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 abril 3, 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 abril 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
mar. 10/206:41 am
STL
- ACV
1 stop8h 33m
Alaska Airlines
sáb. 10/241:55 pm
ACV
- STL
1 stop8h 04m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
mié. 4/297:00 am
STL
- ACV
1 stop9h 10m
Alaska Airlines
mié. 5/62:47 pm
ACV
- STL
1 stop7h 12m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$448
This Expedia deal was found by Cheapflights users on 4/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/27:00 am
STL
- ACV
1 stop9h 10m
Alaska Airlines
sáb. 5/92:47 pm
ACV
- STL
1 stop7h 12m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 3/30. 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.
jue. 7/237:23 pm
STL
- ACV
1 stop6h 50m
United Airlines
jue. 7/308:05 am
ACV
- STL
1 stop8h 12m
United Airlines
Deal found 3/30![United Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/295:59 pm
STL
- ACV
2 stops22h 35m
Alaska Airlines
mar. 9/13:11 pm
ACV
- STL
1 stop6h 47m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 3/30. 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.
mié. 4/298:54 am
STL
- ACV
2 stops12h 08m
United Airlines
mié. 5/66:49 pm
ACV
- STL
1 stop8h 58m
United Airlines
Deal found 3/30![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 3/29. 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.
mar. 10/206:15 am
STL
- ACV
3 stops15h 52m
United Airlines
sáb. 10/248:00 am
ACV
- STL
1 stop7h 53m
United Airlines
Deal found 3/29![United Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 4/2. 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.
sáb. 8/295:10 am
STL
- ACV
3 stops16h 57m
United Airlines
mar. 9/16:32 pm
ACV
- STL
2 stops12h 05m
United Airlines
Deal found 4/2![United Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 4/3. 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.
sáb. 5/29:00 am
STL
- ACV
2 stops10h 56m
United Airlines
sáb. 5/97:37 am
ACV
- STL
2 stops11h 06m
United Airlines
Deal found 4/3![United Airlines logo]()
$490
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 abril 3, 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 abril 3, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
mié. 4/297:00 am
STL
- ACV
1 stop9h 10m
Alaska Airlines
mié. 5/62:47 pm
ACV
- STL
1 stop7h 12m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 3/30. 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.
jue. 7/237:23 pm
STL
- ACV
1 stop6h 50m
United Airlines
jue. 7/308:05 am
ACV
- STL
1 stop8h 12m
United Airlines
Deal found 3/30![United Airlines logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/295:59 pm
STL
- ACV
2 stops22h 35m
Alaska Airlines
mar. 9/13:11 pm
ACV
- STL
1 stop6h 47m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 3/29. 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.
mié. 4/296:30 am
STL
- ACV
2 stops14h 32m
United Airlines
mié. 5/66:49 pm
ACV
- STL
1 stop8h 58m
United Airlines
Deal found 3/29![United Airlines logo]()
$474
Last-minute flights from St. Louis to EurekaDiscover last-minute flight deals from St. Louis to Eureka. Data last updated abril 3, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Eureka. Data last updated abril 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/31. 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.
jue. 4/169:10 am
STL
- ACV
2 stops11h 52m
United Airlines
lun. 4/206:50 pm
ACV
- STL
2 stops11h 35m
United Airlines
Deal found 3/31![United Airlines logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
mié. 4/297:00 am
STL
- ACV
1 stop9h 10m
Alaska Airlines
mié. 5/62:47 pm
ACV
- STL
1 stop7h 12m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$448
This United Airlines deal was found by Cheapflights users on 3/30. 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.
mié. 4/298:54 am
STL
- ACV
2 stops12h 08m
United Airlines
mié. 5/66:49 pm
ACV
- STL
1 stop8h 58m
United Airlines
Deal found 3/30![United Airlines logo]()
$474
This Expedia deal was found by Cheapflights users on 4/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/27:00 am
STL
- ACV
1 stop9h 10m
Alaska Airlines
sáb. 5/92:47 pm
ACV
- STL
1 stop7h 12m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 4/3. 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.
sáb. 5/29:00 am
STL
- ACV
2 stops10h 56m
United Airlines
sáb. 5/97:37 am
ACV
- STL
2 stops11h 06m
United Airlines
Deal found 4/3![United Airlines logo]()
$490
One-way flights from St. Louis to EurekaSearch for one-way flight options from St. Louis to Eureka. Find affordable one-way fares based on user searches. Data last updated abril 3, 2026.
Search for one-way flight options from St. Louis to Eureka. Find affordable one-way fares based on user searches. Data last updated abril 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/178:06 pm
STL
- ACV
2 stops18h 14m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$200
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/167:00 am
STL
- ACV
1 stop9h 28m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/168:06 pm
STL
- ACV
2 stops42h 14m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/711:21 am
STL
- ACV
2 stops26h 59m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 4/2. 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.
vie. 4/178:54 am
STL
- ACV
1 stop6h 31m
United Airlines
Deal found 4/2![United Airlines logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/73:50 pm
STL
- ACV
1 stop24h 38m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$1,833
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 abril 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $448 (Alaska Airlines) |
One-way from | $200 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
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 2,558,603 searches. Data last updated abril 3, 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
St. LouisArcata
STL - ACV
STLACV
Lambert-St Louis
mié. 4/29
7:00 am-2:10 pm
1 stop9h 10m
Arcata Eureka
mié. 5/6
2:47 pm-11:59 pm
1 stop7h 12m
$464
Quickest round-trip
St. LouisArcata
STL - ACV
STLACV
Lambert-St Louis
jue. 7/23
7:23 pm-12:13 am
1 stop6h 50m
Arcata Eureka
jue. 7/30
8:05 am-6:17 pm
1 stop8h 12m
$467
St. LouisArcata
STL - ACV
STLACV
Lambert-St Louis
sáb. 8/29
5:59 pm-2:34 pm
2 stops22h 35m
Arcata Eureka
mar. 9/1
3:11 pm-11:58 pm
1 stop6h 47m
$473
St. LouisArcata
STL - ACV
STLACV
Lambert-St Louis
mié. 4/29
6:30 am-7:02 pm
2 stops14h 32m
Arcata Eureka
mié. 5/6
6:49 pm-5:47 am
1 stop8h 58m
$474
Cheapest one-way
Quickest one-way
St. LouisArcata
STL - ACV
STLACV
Lambert-St Louis
vie. 4/17
8:54 am-1:25 pm
1 stop6h 31m
$300
St. LouisArcata
STL - ACV
STLACV
Lambert-St Louis
vie. 4/17
8:06 pm-12:00 pm
3 stops41h 54m
$340
St. LouisArcata
STL - ACV
STLACV
Lambert-St Louis
jue. 4/16
8:06 pm-12:20 pm
3 stops42h 14m
$384
St. LouisArcata
STL - ACV
STLACV
Lambert-St Louis
mar. 4/7
3:50 pm-2:28 pm
1 stop24h 38m
$1,833
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 abril 3, 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.
Overall
7.4
Food
6.6
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Overall
7.4
Food
6.6
Boarding
7.7
Comfort
7.3
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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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Complete your trip
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St. Louis and Eureka flights
Browse other St. Louis and Eureka flight options. Last updated on abril 3, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on abril 3, 2026.
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St. Louis to Eureka flights
Consider these flights traveling from St. Louis to Eureka.
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 2,558,603 searches. Data last updated abril 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$645 | FlexibilityNo cancel fee | On-time69% |