The cheapest times to fly from EAU to SJU are

  • January 8th to March 4th
  • August 6th to November 18th
  • December 3rd to December 16th

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 SJU is mid to late September. Prices can be as high as $980 for Sunday flights during mid July, or as low as $580 for Tuesday flights around mid to late September.


When to Fly to San Juan

Flying from Eau Claire, WI (EAU) to San Juan, PR (SJU) will usually cost between $590 to $805 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $586. Due to high demand the most expensive time to fly is mid July, with an average price of $872. Planning your trip to low-cost times can easily save you $286 on economy flights and even more on first-class flights. Generally, any price below $632 can be considered a good price for a round-trip EAU to SJU flight.

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

EAU to SJU Flight Prices

Compared to other flights, the EAU to SJU 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 $0.17, 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 $48 (7%) 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 $627. Return trip prices are from the SJU 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 SJU 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 12 minutes may not be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 4 major airlines flying this route most often: American, Delta, SAS, United, and potentially more during busy seasons.

How far away is it from Luis Munoz Marin International Airport to Chippewa Valley Regional Airport?

The distance between the two airports is roughly 2341 miles or 3767 kilometers.

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

The real-world flight time for a nonstop EAU to SJU flight is about 5 hour 12 minutes.

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

It depends on the day of the week and the date, but a typical day might have around 14 available flights from EAU to SJU.


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 SJU
Destination airport name Luis Munoz Marin International Airport
City San Juan, PR
Country the United States
Latitude 18.4
Longitude -66


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.