The cheapest times to fly from EAU to SJO are

  • January 1st to March 4th (except the week of February 12th)
  • August 6th to December 16th (except the weeks of November 19th and November 26th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from EAU to SJO is late January. Prices can be as high as $1820 for Sunday flights during mid March, or as low as $611 for Tuesday flights around late January.


When to Fly to San José

Flying from Eau Claire, WI (EAU) to San Jose (SJO) will usually cost between $651 to $1543 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $636. Due to high demand the most expensive time to fly is mid March, with an average price of $1547. Planning your trip to low-cost times can easily save you $911 on economy flights and even more on first-class flights. Generally, any price below $799 can be considered a good price for a round-trip EAU to SJO flight.

See below for a graph of average weekly prices for the EAU to SJO route. All prices are for round-trip tickets in USD.

EAU to SJO Flight Prices

Compared to other flights, the EAU to SJO flight is cheaper than the average and costs less than the average flight leaving from Eau Claire. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $130 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $864. Return trip prices are from the SJO to EAU flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from EAU to SJO can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 23 minutes may not be realistic.


Flight Hacking EAU to SJO

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from EAU to SJO — but Champion Traveler does!

Hack #1: Orlando, FL (EAU > MCO > SJO)

  • Price for both tickets: $690
  • Average savings: $109 (13.64%)

See EAU to MCO flights

Hack #2: Chicago, IL (EAU > ORD > SJO)

  • Price for both tickets: $700
  • Average savings: $100 (12.45%)

See EAU to ORD flights

Hack #3: Boston, MA (EAU > BOS > SJO)

  • Price for both tickets: $713
  • Average savings: $87 (10.83%)

See EAU to BOS flights


Flight Questions Answered

Still have questions about flying from EAU to SJO? We’ve got answers.

Which airlines fly this route?

You can find 17 major airlines flying this route most often: Aer Lingus, Aeroflot, Air France, Air Malta, American, Austrian, Avianca, COPA, Delta, Finnair, Lufthansa, Luxair, SAS, SWISS, Turkish Airlines, United, Wideroe, and potentially more during busy seasons.

How far away is it from Juan Santamaria International Airport to Chippewa Valley Regional Airport?

The distance between the two airports is roughly 2448 miles or 3940 kilometers.

How long does it take to fly from EAU to SJO?

The real-world flight time for a nonstop EAU to SJO flight is about 5 hour 23 minutes.

How many flights go between Eau Claire, WI and San Jose?

It depends on the day of the week and the date, but a typical day might have around 22 available flights from EAU to SJO.


Airport Location Info


Departing Airport

Origination code EAU
Origination airport name Chippewa Valley Regional Airport
City Eau Claire, WI
Country the United States
Latitude 44.9
Longitude -91.5

Return Airport

Destination code SJO
Destination airport name Juan Santamaria International Airport
City San Jose
Country Costa Rica
Latitude 10
Longitude -84.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.