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Eureka

$385+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RDD
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from St. Louis to Eureka

Cheapest flights from St. Louis to Eureka
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 February 13, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/13. 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 4/297:00 am
STL
-
ACV
1 stop9h 10m
Alaska Airlines
Wed 5/62:47 pm
ACV
-
STL
1 stop7h 12m
Alaska Airlines
Deal found 2/13$392
This United Airlines deal was found by Cheapflights users on 2/13. 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 4/298:54 am
STL
-
ACV
2 stops12h 08m
United Airlines
Wed 5/66:49 pm
ACV
-
STL
1 stop8h 58m
United Airlines
Deal found 2/13$404
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 10/316:41 am
STL
-
ACV
1 stop8h 33m
Alaska Airlines
Wed 11/41:55 pm
ACV
-
STL
1 stop8h 04m
Alaska Airlines
Deal found 2/12$410
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:41 am
STL
-
ACV
1 stop8h 33m
Alaska Airlines
Tue 11/31:55 pm
ACV
-
STL
1 stop8h 04m
Alaska Airlines
Deal found 2/9$432
This United Airlines deal was found by Cheapflights users on 2/9. 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 10/314:30 pm
STL
-
ACV
2 stops9h 23m
United Airlines
Tue 11/312:41 pm
ACV
-
STL
1 stop6h 18m
United Airlines
Deal found 2/9$534
This United Airlines deal was found by Cheapflights users on 2/12. 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 10/314:30 pm
STL
-
ACV
2 stops9h 23m
United Airlines
Wed 11/412:41 pm
ACV
-
STL
1 stop6h 18m
United Airlines
Deal found 2/12$587
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 3/174:30 pm
STL
-
ACV
2 stops20h 24m
United Airlines
Sun 3/222:14 pm
ACV
-
STL
2 stops24h 35m
United Airlines
Deal found 2/11$1,034

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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$392
(Alaska Airlines)

One-way from

$385
(United Airlines)
Provider with most accurate pricing for Lambert-St Louis-Arcata Eureka flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Arcata Eureka flights.
Search Deals
From Lambert-St Louis to Eureka
Search Deals
One-way flight from Lambert-St Louis to Eureka
Search Deals

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 February 13, 2026.
Use the filters below to find and compare flights from St. Louis to Eureka that are best for you.

Fly from

St. Louis

Fly to

Eureka

Route

Depart

Return

Price

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Wed 4/29

7:00 am-2:10 pm

1 stop9h 10m

Arcata Eureka

Wed 5/6

2:47 pm-11:59 pm

1 stop7h 12m

$392

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Wed 4/29

7:45 am-7:02 pm

2 stops13h 17m

Arcata Eureka

Wed 5/6

6:49 pm-5:47 am

1 stop8h 58m

$404

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Wed 2/25

8:41 am-1:31 pm

1 stop6h 50m

$385

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Sat 2/28

5:29 pm-10:45 pm

1 stop7h 16m

$385

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Tue 3/3

8:41 am-1:31 pm

1 stop6h 50m

$385

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Mon 3/2

7:41 am-6:44 pm

2 stops13h 03m

$390

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Thu 2/26

9:55 am-10:45 pm

2 stops14h 50m

$390

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Sun 3/1

7:41 am-8:54 pm

2 stops15h 13m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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.
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
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 February 13, 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.
United Airlines
7.4
Good
9,283 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,283 reviews
United Airlines
7.4
Good
9,283 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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.

  • What airport do you fly from for flights from St. Louis to Eureka?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Eureka. You should not have trouble finding flights to Eureka from Lambert-St Louis; the airport handles an average of 0 outbound flights to Eureka per day. You should also have plenty of airline options to choose from since 1 airline has flights from the St. Louis airport to Eureka. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How long is the flight from St. Louis to Eureka?

    For as low as $392, Alaska Airlines can have you in Eureka from St. Louis in 9h 10m. Airlines will cover a distance of 1783 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from St. Louis to Eureka that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Eureka?

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

  • Can I find deals for business class flights from St. Louis to Eureka?

    Yes. Cheapflights offers flight deals from St. Louis 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.

See more FAQs

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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 2,558,603 searches. Data last updated February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$316Average$610FlexibilityNo cancel feeOn-time69%

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