Miami to San Juan flights
The cheapest round trip we found from Miami to San Juan is $115 (Dec 5 – 12, Nonstop), 44% below the usual $204.
MIA to SJU · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $204 |
| December 2026 | $115 (cheapest month) |
| January 2027 | $206 |
| February 2027 | $179 |
| March 2027 | No fares found yet |
| April 2027 | No fares found yet |
| May 2027 | No fares found yet |
| June 2027 | $472 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 5 – 12 7 nights · leave Sat$115 −44% vs usual$115 −44% vs usual Book
Frontier Airlines Nonstop · 2h 41m -
Dec 8 – 11 3 nights · leave Tue$120 −41% vs usual$120 −41% vs usual Book
Frontier Airlines Nonstop · 2h 41m
-
Dec 10 – 13 3 nights · leave Thu$125 −39% vs usual$125 −39% vs usual Book
Frontier Airlines Nonstop · 2h 41m
-
Dec 1 – 4 3 nights · leave Tue$134 −34% vs usual$134 −34% vs usual Book
Frontier Airlines Nonstop · 2h 41m
-
Feb 3 – 5, 2027 2 nights · leave Wed$179 −12% vs usual$179 −12% vs usual Book
Frontier Airlines Nonstop · 2h 38m
-
Nov 23 – 29 6 nights · leave Mon$204$204 Book
Frontier Airlines 1 stop · 2h 41m
-
Jan 21 – 24, 2027 3 nights · leave Thu$206$206 Book
Frontier Airlines 1 stop · 2h 46m
-
Nov 25 – 30 5 nights · leave Wed$270 +32% vs usual$270 +32% vs usual Book
Frontier Airlines 1 stop · 2h 41m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Plan the rest of your trip
San Juan · Dec 5 – 12- Car rental Economybookings · compare rental companies (opens Economybookings in a new tab)
- Things to do in San Juan Klook · tours and tickets (opens Klook in a new tab)
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Good to know
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Miami to San Juan: questions
How much does a flight from Miami to San Juan cost?
The cheapest round trip we have found right now is $115, leaving December 5 and returning December 12. The usual price on this route is about $204, so this fare is 44% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Miami to San Juan?
December 2026, with round trips from $115. The most expensive month in our data is June (from $472). Based on the 5 months ahead we have prices for.
Are there nonstop flights from Miami to San Juan?
Yes. Nonstop from $115 round trip. 50% of the 10 date combinations we track are nonstop.
Which airports do Miami to San Juan flights use?
Miami airports include Miami International (MIA) and Opa-locka Executive (OPF). San Juan airports include Luis Munoz Marin International (SJU) and Isla Grande (SIG). The prices on this page cover every airport in both cities (MIA and SJU are the city codes).
About this route
We track round-trip economy fares from Miami (United States) to San Juan (Puerto Rico) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $115, departing December 5 and returning December 12 on a nonstop flight, about 44% below the usual $204. Right now we're following 10 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $115. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.