Eureka

$158+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ACV
Aug 12 — Aug 191
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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 July 13, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 10/287:00 am
STL
-
ACV
1 stop9h 35m
Alaska Airlines
Sat 10/313:12 pm
ACV
-
STL
1 stop6h 47m
Alaska Airlines
Deal found 7/8$376
This United Airlines deal was found by Cheapflights users on 7/8. 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 10/289:40 am
STL
-
ACV
2 stops12h 18m
United Airlines
Sat 10/312:13 pm
ACV
-
STL
1 stop5h 57m
United Airlines
Deal found 7/8$486
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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.
Tue 10/277:00 am
STL
-
ACV
1 stop9h 35m
Alaska Airlines
Sat 10/313:12 pm
ACV
-
STL
1 stop6h 47m
Alaska Airlines
Deal found 7/12$514
This United Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 9/59:00 am
STL
-
ACV
1 stop6h 27m
United Airlines
Sat 9/128:00 am
ACV
-
STL
2 stops12h 59m
United Airlines
Deal found 7/13$524
This United Airlines deal was found by Cheapflights users on 7/12. 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.
Sun 8/27:23 pm
STL
-
ACV
1 stop6h 36m
United Airlines
Thu 8/67:40 am
ACV
-
STL
1 stop8h 37m
United Airlines
Deal found 7/12$554
This Orbitz deal was found by Cheapflights users on 7/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:56 pm
STL
-
ACV
1 stop20h 17m
Alaska Airlines
Thu 8/62:50 pm
ACV
-
STL
1 stop7h 09m
Alaska Airlines
Deal found 7/10$559
This United Airlines deal was found by Cheapflights users on 7/11. 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.
Thu 10/157:08 am
STL
-
ACV
1 stop7h 00m
United Airlines
Sun 10/187:45 am
ACV
-
STL
1 stop8h 58m
United Airlines
Deal found 7/11$584
This Priceline deal was found by Cheapflights users on 7/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:02 am
STL
-
ACV
1 stop10h 11m
Alaska Airlines
Tue 8/112:50 pm
ACV
-
STL
1 stop7h 09m
Alaska Airlines
Deal found 7/9$609
This Expedia deal was found by Cheapflights users on 7/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:35 am
STL
-
ACV
1 stop10h 00m
Alaska Airlines
Sat 9/123:19 pm
ACV
-
STL
1 stop21h 02m
Alaska Airlines
Deal found 7/13$614

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 July 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$491
(United Airlines)

One-way from

$158
(Kiwi.com)
Provider with most accurate pricing for Lambert-St Louis-Arcata Eureka flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Arcata Eureka flights.
From Lambert-St Louis to Eureka
One-way flight from Lambert-St Louis to Eureka

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 July 13, 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

Price

Cheapest round-trip
Quickest round-trip

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Wed 10/28

7:00 am-2:35 pm

1 stop9h 35m

Arcata Eureka

Sat 10/31

3:12 pm-11:59 pm

1 stop6h 47m

$376

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Tue 10/27

7:00 am-2:35 pm

1 stop9h 35m

Arcata Eureka

Sat 10/31

3:12 pm-11:59 pm

1 stop6h 47m

$376

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Wed 10/28

9:40 am-7:58 pm

2 stops12h 18m

Arcata Eureka

Sat 10/31

2:13 pm-10:10 pm

1 stop5h 57m

$486

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Tue 8/4

5:10 am-2:48 pm

2 stops11h 38m

Arcata Eureka

Thu 8/6

7:40 am-6:17 pm

1 stop8h 37m

$491

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Tue 8/4

7:56 pm-2:13 pm

1 stop20h 17m

Arcata Eureka

Thu 8/6

2:50 pm-11:59 pm

1 stop7h 09m

$559

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Thu 10/15

5:10 am-12:25 pm

2 stops9h 15m

Arcata Eureka

Sun 10/18

7:45 am-6:43 pm

1 stop8h 58m

$590

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Tue 10/27

1:39 pm-10:08 pm

2 stops10h 29m

Arcata Eureka

Sat 10/31

8:00 am-6:03 pm

1 stop8h 03m

$624
Cheapest one-way

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Mon 9/14

7:36 pm-2:42 pm

1 stop21h 06m

$229

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Wed 8/5

5:10 am-11:47 am

2 stops8h 37m

$246
Quickest one-way

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Sat 9/5

9:00 am-1:27 pm

1 stop6h 27m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 July 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.

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.7

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Simon,Jun 2024

LAS - LAX

Basic and no-frills. Late timing put pressure on disembarking and making connections.

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 $376, Alaska Airlines can have you in Eureka from St. Louis in 9h 35m. 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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Alternative routes for St. Louis to Eureka

See prices for flight routes from nearby airports that may be better suited for you.

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 July 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$329Average$618FlexibilityNo cancel feeOn-time69%

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