$437 Find Cheap Flights from Duluth to San Juan - Compare and Save

In the last 5 days, the lowest price for a flight from Duluth to San Juan Luis Munoz Marin Intl Airport was $437 for a one-way ticket and $608 for a round-trip.

A passport is required to fly from Duluth to San Juan.

We unfortunately don’t have that data for this specific route.

Star Alliance is the only airline alliance operating flights between Duluth and San Juan.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Duluth to San Juan.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Duluth is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Duluth with another airline. Booking your flights between Duluth and SJU can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Duluth up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.