Cheap Flights from Waterloo (ALO) to San Juan (SIG)

Popular airlines from Waterloo, IA (ALO-Waterloo Regional) to San Juan (SIG-Fernando Luis Ribas Dominicci)

Frequently asked questions

How much does a flight from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG) cost?
Lock in a cheap one-way flight or cheap return flight from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG)?
Flying in may help you find better deals, as it's the cheapest month for flights between ALO and SIG. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG)?
To find the cheapest airline flying from ALO to SIG, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG)?
Direct flights from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ALO to SIG?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG)?
Select a flight from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG) last-minute?
Booking your ticket from ALO to SIG just before your journey is usually more expensive. However, if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Can I cancel or change the date of my flight from Waterloo Regional Airport (ALO) to Fernando Luis Ribas Dominicci Airport (SIG)?
If you reserved your ALO to SIG flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Waterloo Regional
Destination airport
Fernando Luis Ribas Dominicci
Distance
2266 mi

Book with confidence

Waterloo to San Juan Flights

The cheapest times to fly from Waterloo to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Waterloo to San Juan are during the month of . You can find some of the cheapest flights from Waterloo to San Juan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Waterloo to San Juan

Sunday is one of the best days to book for cheap flights from Waterloo to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Waterloo to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Waterloo to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Waterloo to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Waterloo to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Waterloo to San Juan Flights

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*Available to One Key members.