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Eureka

$445+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ACV
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$558
(United Airlines)

One-way from

$445
(United Airlines)

Popular in

April

Cheapest in

February

Average price

$514
Provider with most accurate pricing for Lambert-St Louis-Arcata Eureka flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Arcata Eureka flights.
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From Lambert-St Louis to Eureka
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One-way flight from Lambert-St Louis to Eureka
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Highest demand for flights based on searches. 16% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/85:29 pmSTL - ACV
1 stop6h 43mUnited Airlines
Thu 11/1312:30 pmACV - STL
1 stop7h 24mUnited Airlines
Deal found 10/29$489
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 11/811:05 amSTL - ACV
2 stops13h 07mUnited Airlines
Wed 11/126:45 pmACV - STL
2 stops14h 06mUnited Airlines
Deal found 10/29$504
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 11/105:29 pmSTL - ACV
1 stop6h 43mUnited Airlines
Wed 11/128:20 amACV - STL
1 stop6h 07mUnited Airlines
Deal found 10/29$963
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 11/96:30 amSTL - ACV
2 stops13h 22mUnited Airlines
Wed 11/128:20 amACV - STL
1 stop6h 07mUnited Airlines
Deal found 10/29$973
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 11/99:00 amSTL - ACV
1 stop6h 30mUnited Airlines
Thu 11/134:13 pmACV - STL
2 stops27h 41mUnited Airlines
Deal found 10/29$1,050

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 October 30, 2025.
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

Fri 3/6

8:00 am-7:08 pm

2 stops13h 08m

Arcata Eureka

Tue 3/10

7:30 am-10:49 pm

2 stops13h 19m

$558

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Mon 11/10

5:29 pm-10:12 pm

1 stop6h 43m

Arcata Eureka

Thu 11/13

8:20 am-4:27 pm

1 stop6h 07m

$963

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Thu 12/18

2:45 pm-2:55 pm

2 stops26h 10m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 October 30, 2025.
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
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

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 $558, United Airlines can have you in Eureka from St. Louis in 13h 08m. Airlines will cover a distance of 1783 mi.

  • 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$299Average$546FlexibilityNo cancel feeOn-time69%

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