Cheap flights from Wisconsin to San Juan
MKE — SJU
Nov 19 — Nov 261
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Wisconsin to San Juan
Keep the following information in mind while searching for Wisconsin to San Juan flight deals. Data was last updated October 20, 2026.
Popular in | December |
|---|---|
Cheapest in | September |
Average price | $407 |
Cheapflights Insights
Everything you need to know about your flight from Wisconsin to San Juan
How far ahead should I book a flight from Wisconsin to San Juan?
The best time to book flights from Wisconsin to San Juan is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Wisconsin to San Juan?
Currently, September is the cheapest month in which you can book a flight from Wisconsin to San Juan (average of $403). Flying from Wisconsin to San Juan in December is currently the most expensive (average of $705). 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.
Related info for your journey
Find useful and relevant information for your journey from Wisconsin to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Wisconsin to San Juan
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Complete your trip
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Wisconsin and San Juan flights
Browse other Wisconsin and San Juan flight options. Last updated on October 20, 2026.
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Wisconsin to San Juan flights
Consider these flights traveling from Wisconsin to San Juan.
Top 6 airlines flying from Wisconsin to San Juan
Discover the top 6 airlines that operate flights from Wisconsin to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$336 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$230 | Average$565 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$235 | Average$561 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$235 | Average$513 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$273 | Average$517 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$321 | Average$473 | FlexibilityNo cancel fee | On-time63% |