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

For as low as $521, Alaska Airlines can have you in Eureka from St. Louis in 23h 11m. Airlines will cover a distance of 1783 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Eureka ranges from 0.3 - 8.4 inches per month. December is typically the wettest month, when rainfall can reach 8.4 in. July is typically the driest time to visit Eureka when rainfall is around 0.3 in.

If weather is an important factor for your trip to Eureka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 57.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

What is the cheapest time of day to fly from STL to EU9?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Eureka as you normally would.

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.

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.

$370+ Flights from St. Louis to Eureka

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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 December 28, 2025.

Tue 12/306:41 amSTL - ACV

2 stops34h 39mUnited Airlines

Thu 1/112:29 pmACV - STL

1 stop7h 53mUnited Airlines

Deal found 12/25

$960

Best flights from St. Louis to Eureka
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 December 28, 2025.

Wed 4/294:46 pmSTL - ACV

1 stop23h 24mAlaska Airlines

Wed 5/62:47 pmACV - STL

1 stop7h 12mAlaska Airlines

Deal found 12/27

$370

Sat 1/244:15 pmSTL - ACV

1 stop23h 11mUnited Airlines

Tue 1/2712:30 pmACV - STL

1 stop22h 46mUnited Airlines

Deal found 12/25

$521

Sun 5/317:56 pmSTL - ACV

1 stop20h 14mAlaska Airlines

Thu 6/42:50 pmACV - STL

1 stop7h 07mAlaska Airlines

Deal found 12/27

$538

Last-minute flights from St. Louis to Eureka
Discover last-minute flight deals from St. Louis to Eureka. Data last updated December 28, 2025 and is based on user searches.

Tue 12/306:41 amSTL - ACV

2 stops34h 39mUnited Airlines

Thu 1/112:29 pmACV - STL

1 stop7h 53mUnited Airlines

Deal found 12/25

$960

Sat 1/244:15 pmSTL - ACV

1 stop23h 11mUnited Airlines

Tue 1/2712:30 pmACV - STL

1 stop22h 46mUnited Airlines

Deal found 12/25

$521

Find flight deals from St. Louis to Eureka

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$370 (Alaska Airlines)

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

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Wed 4/29

4:46 pm-2:10 pm

1 stop23h 24m

Arcata Eureka

Wed 5/6

2:47 pm-11:59 pm

1 stop7h 12m

$370

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Sat 1/24

4:15 pm-1:26 pm

1 stop23h 11m

Arcata Eureka

Tue 1/27

12:30 pm-1:16 pm

1 stop22h 46m

$521

St. LouisArcata

STL - ACV

STLACV

Lambert-St Louis

Sun 5/31

7:56 pm-2:10 pm

1 stop20h 14m

Arcata Eureka

Thu 6/4

2:50 pm-11:57 pm

1 stop7h 07m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

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

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

9,113 reviews

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

9,113 reviews

United Airlines

7.4

Good

9,113 reviews

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

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 $521, Alaska Airlines can have you in Eureka from St. Louis in 23h 11m. 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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$299	Average$576	FlexibilityNo cancel fee	On-time69%

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$370+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Eureka with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Eureka

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 December 28, 2025.

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 December 28, 2025.

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 December 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

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

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Eureka

Reviews of airlines servicing Eureka

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.

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?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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Book with Flexibility

Travel Smart

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 December 28, 2025.