What is the cheapest airline to fly from Arcata to St. Louis round-trip?

According to our current data, United Airlines ($348), offers the cheapest pricing from Arcata to St. Louis.

What is the cheapest month to book a flight from Arcata to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Arcata to St. Louis (average of $311). Flying from Arcata to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Arcata to St. Louis?

Travelers seeking maximum savings on their Arcata to St. Louis flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

A simple way to save on the total cost of your ticket is to fly from Arcata to St. Louis in the morning. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight at noon.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Arcata to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Best time to book a flight from Arcata to St. Louis

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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.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Arcata to St. Louis, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

United Airlines

7.4

Good

8,926 reviews

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

10.0

Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

What is the cheapest airline to fly from Arcata to St. Louis round-trip?
According to our current data, United Airlines ($348), offers the cheapest pricing from Arcata to St. Louis.
Can I find deals for flights from Arcata to St. Louis that include hotel bookings?
Yes. In addition to deals on Arcata to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Arcata to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Arcata to St. Louis.
Can I find deals for business class flights from Arcata to St. Louis?
Yes. Cheapflights offers flight deals from Arcata to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Arcata to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Arcata to St. Louis (average of $311). Flying from Arcata to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Arcata to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$348	Average$689	FlexibilityNo cancel fee	On-time69%

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Find cheap flights from Arcata to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Arcata to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Arcata with our price prediction graph.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Arcata to St. Louis, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Arcata to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Arcata to St. Louis round-trip?

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

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

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

What is the cheapest month to book a flight from Arcata to St. Louis?

Traveling to a place near St. Louis?

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 Arcata to St. Louis

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Complete your trip

Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Arcata to St. Louis by cabin class

Find flights from Arcata to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Arcata and St. Louis flights

Browse other Arcata and St. Louis flight options. Last updated on septembre 17, 2025.

Other flights from Arcata

Browse through other flights departing from Arcata. Flights are based on user searches made on Cheapflights and were last updated on septembre 17, 2025.

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Other flights to St. Louis

Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on septembre 17, 2025.

Top airline flying from Arcata to St. Louis

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Cheap flights from Arcata to St. Louis (ACV - STL)

Find cheap flights from Arcata to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Arcata to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Arcata with our price prediction graph.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Arcata to St. Louis, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Arcata to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Arcata to St. Louis round-trip?

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

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

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

What is the cheapest month to book a flight from Arcata to St. Louis?

Traveling to a place near St. Louis?

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 Arcata to St. Louis

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

Top airline flying from Arcata to St. Louis

100% Free

Book with Flexibility

Travel Smart