What is the cheapest month to book a flight from Eureka to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Eureka to Costa Rica (average of $398). Flying from Eureka to Costa Rica in March is currently the most expensive (average of $555). 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.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Can I find deals for flights from Eureka to Costa Rica that include hotel bookings?

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

How can I find direct flights from Eureka to Costa Rica?

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

Can I find deals for business class flights from Eureka to Costa Rica?

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

$623+ Flights from Eureka to Costa Rica

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Cheap flight deals from Eureka to Costa Rica

Round-trip from	$623 (United Airlines)

From Eureka to Costa Rica

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Find flight deals from Eureka to Costa Rica

Cheapest flights from Eureka to Costa Rica
Explore the most affordable flight options available from Eureka to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

Mon 11/104:05 pmACV - LIR

2 stops19h 05mUnited Airlines

Thu 11/138:35 amLIR - ACV

2 stops15h 37mUnited Airlines

Deal found 7/31

$623

Best flights from Eureka to Costa Rica
Discover carefully curated flight deals from Eureka to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2025.

Mon 11/104:05 pmACV - LIR

2 stops19h 05mUnited Airlines

Thu 11/138:35 amLIR - ACV

2 stops15h 37mUnited Airlines

Deal found 7/31

$623

Fly from

Fly to

Route

Depart

Return

Price

ArcataLiberia

ACV - LIR

ACVLIR

Arcata Eureka

Mon 11/10

4:05 pm-1:10 pm

2 stops19h 05m

Liberia

Thu 11/13

8:35 am-10:12 pm

2 stops15h 37m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Eureka to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Eureka 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 Eureka to Costa Rica

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

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

Reviews of airlines servicing Costa Rica

Read through reviews of airlines operating flights from Eureka to Costa Rica, such as United Airlines. 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

8,904 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,904 reviews

United Airlines

7.4

Good

8,904 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Can I find deals for flights from Eureka to Costa Rica that include hotel bookings?
Yes. In addition to deals on Eureka to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Eureka to Costa Rica?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Eureka to Costa Rica.
Can I find deals for business class flights from Eureka to Costa Rica?
Yes. Cheapflights offers flight deals from Eureka to Costa Rica 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 Eureka to Costa Rica?
Currently, September is the cheapest month in which you can book a flight from Eureka to Costa Rica (average of $398). Flying from Eureka to Costa Rica in March is currently the most expensive (average of $555). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Eureka to Costa Rica

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$646	Average$779	FlexibilityNo cancel fee	On-time69%

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$623+ Cheap flights from Eureka, CA to Costa Rica

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Eureka to Costa Rica with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Eureka to Costa Rica

Keep the following information in mind while searching for Eureka to Costa Rica flight deals. Data was last updated August 1, 2025.

Round-trip from

Find flight deals from Eureka to Costa Rica

Cheapest flights from Eureka to Costa RicaExplore the most affordable flight options available from Eureka to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

Explore the most affordable flight options available from Eureka to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Eureka to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Eureka with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Eureka to Costa Rica

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

Find hourly flight availability from Eureka to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

Reviews of airlines servicing Costa Rica

Read through reviews of airlines operating flights from Eureka to Costa Rica, such as United Airlines. 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 Eureka to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Eureka to Costa Rica that include hotel bookings?

How can I find direct flights from Eureka to Costa Rica?

Can I find deals for business class flights from Eureka to Costa Rica?

What is the cheapest month to book a flight from Eureka to Costa Rica?

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 Eureka to Costa Rica

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

Top airline flying from Eureka to Costa Rica

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Eureka to Costa Rica
Explore the most affordable flight options available from Eureka to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.